:root {
  --sp-green: #1ed760;
  --sp-green-dark: #169c46;
  --sp-bg: #000;
  --sp-panel: #121212;
  --sp-panel-2: #181818;
  --sp-panel-3: #242424;
  --sp-hover: #2a2a2a;
  --sp-text: #fff;
  --sp-muted: #a7a7a7;
  --sp-faint: #727272;
  --sp-border: rgba(255, 255, 255, 0.08);
  --radius: 8px;
  color-scheme: dark;
  font-family: "Circular", "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--sp-bg);
  color: var(--sp-text);
  overflow-x: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

svg {
  display: block;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 282px minmax(0, 1fr);
  gap: 8px;
  padding: 8px 8px 98px;
  background: #000;
}

.sidebar {
  position: sticky;
  top: 8px;
  height: calc(100vh - 114px);
  min-height: 650px;
  color: #fff;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 8px;
  background: transparent;
}

.brand,
.nav-group,
.account-card,
.goal-card {
  background: var(--sp-panel);
  border-radius: var(--radius);
}

.brand {
  min-height: 84px;
  display: flex;
  align-items: center;
  gap: 11px;
  color: #fff;
  text-decoration: none;
  padding: 0 24px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: block;
  object-fit: cover;
  background: #000;
  box-shadow: 0 0 0 1px rgba(30, 215, 96, 0.4), 0 0 18px rgba(30, 215, 96, 0.22);
}

.brand-name {
  font-size: 27px;
  line-height: 1;
  font-weight: 900;
}

.nav-group {
  display: grid;
  gap: 2px;
  padding: 8px 12px;
}

.nav-group:nth-of-type(2) {
  align-content: start;
  padding-top: 14px;
}

.nav-item,
.mobile-nav button {
  width: 100%;
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--sp-muted);
  padding: 0 12px;
  font-size: 14px;
  font-weight: 800;
  text-align: left;
  transition: color 150ms ease, background 150ms ease;
}

.nav-item svg {
  width: 22px;
  height: 22px;
}

.nav-item:hover,
.nav-item:focus-visible,
.nav-item.active {
  color: #fff;
}

.nav-item.active {
  background: transparent;
}

.nav-item.compact {
  min-height: 40px;
}

.nav-group:first-of-type .nav-item:nth-child(n+4) {
  display: none;
}

.nav-separator {
  display: none;
}

.account-card {
  margin: 8px 0 0;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 30px;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #535353, #2b2b2b);
  color: #fff;
  font-weight: 900;
}

.account-card strong,
.account-card span {
  display: block;
}

.account-card strong {
  overflow: hidden;
  color: #fff;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-card span {
  color: var(--sp-muted);
  font-size: 12px;
  margin-top: 3px;
}

.goal-card {
  display: none;
}

.workspace {
  min-width: 0;
  height: calc(100vh - 106px);
  overflow: auto;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(45, 45, 45, 0.84) 0, var(--sp-panel) 230px),
    var(--sp-panel);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 64px;
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(18, 18, 18, 0.76);
  backdrop-filter: blur(20px);
}

.topbar::before {
  content: "";
  width: 78px;
  height: 36px;
  flex: 0 0 auto;
  background:
    radial-gradient(circle at 18px 18px, #050505 0 17px, transparent 18px),
    radial-gradient(circle at 58px 18px, #050505 0 17px, transparent 18px);
  border-radius: 999px;
}

.search-box {
  width: min(420px, 44vw);
  height: 46px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  color: #000;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px;
  align-items: center;
}

.search-box input {
  min-width: 0;
  height: 100%;
  border: 0;
  outline: 0;
  padding: 0 18px 0 20px;
  color: #000;
  background: transparent;
  font-size: 14px;
}

.search-box svg {
  margin-inline: auto 16px;
  color: #000;
  order: -1;
}

.top-actions,
.hero-actions,
.queue-actions,
.player-tools,
.transport-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
}

.top-actions {
  margin-left: auto;
}

.hero-actions {
  display: none !important;
}

.icon-button {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.54);
  color: var(--sp-muted);
}

.icon-button:hover,
.icon-button:focus-visible {
  color: #fff;
  transform: scale(1.04);
}

.icon-button.dark {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.top-actions .icon-button:first-child circle {
  fill: var(--sp-green);
  stroke: var(--sp-green);
}

.primary-action,
.secondary-action,
.link-button,
.danger-link,
.speed-button,
.device-mode {
  min-height: 38px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 0;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.primary-action {
  color: #000;
  background: var(--sp-green);
}

.primary-action:hover,
.primary-action:focus-visible {
  background: #3be477;
  transform: scale(1.03);
}

.primary-action.small {
  min-height: 34px;
  color: #000;
  background: #fff;
}

.primary-action.mini {
  min-height: 32px;
  padding: 0 14px;
  font-size: 13px;
}

.secondary-action {
  color: #fff;
  background: rgba(255, 255, 255, 0.10);
}

.secondary-action:hover,
.secondary-action:focus-visible {
  background: rgba(255, 255, 255, 0.16);
}

.primary-action svg,
.secondary-action svg,
.link-button svg,
.danger-link svg {
  width: 18px;
  height: 18px;
}

.hero-row {
  padding: 22px 28px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  color: #fff;
  font-size: clamp(30px, 4vw, 40px);
  line-height: 1.08;
  font-weight: 900;
}

.hero-row p {
  display: none;
}

.filter-rail {
  margin: 4px 28px 24px;
  height: 38px;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
}

.filter-rail button {
  min-width: auto;
  height: 34px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.10);
  color: #fff;
  padding: 0 15px;
  font-size: 14px;
  font-weight: 750;
}

.filter-rail button.active {
  background: #fff;
  color: #000;
}

.filter-rail .filter-action {
  display: none;
}

.primary-action.small svg {
  display: none;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 322px;
  gap: 8px;
}

.main-column {
  min-width: 0;
  padding: 0 28px 36px;
}

.right-panel {
  position: sticky;
  top: 72px;
  height: calc(100vh - 178px);
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 8px 24px 0;
}

.section-block {
  margin-bottom: 34px;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.section-heading h2 {
  color: #fff;
  font-size: 24px;
  font-weight: 900;
}

.section-heading strong,
.section-heading span {
  color: var(--sp-muted);
  font-size: 14px;
}

.link-button,
.danger-link {
  min-height: 30px;
  padding: 0 2px;
  color: var(--sp-muted);
  background: transparent;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.link-button:hover,
.danger-link:hover {
  color: #fff;
  text-decoration: underline;
}

.lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(156px, 1fr));
  gap: 22px;
}

.lesson-card {
  min-width: 0;
  border: 0;
  border-radius: var(--radius);
  overflow: visible;
  background: var(--sp-panel-2);
  padding: 16px;
  transition: background 160ms ease, transform 160ms ease;
}

.lesson-card:hover,
.lesson-card:focus-within,
.lesson-card.active {
  background: var(--sp-hover);
}

.lesson-cover {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 0;
  border-radius: 6px;
  background: #333;
  overflow: hidden;
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.42);
}

.lesson-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.lesson-cover::after {
  display: none;
}

.cover-play {
  position: absolute;
  right: 9px;
  bottom: 9px;
  z-index: 1;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--sp-green);
  color: #000;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.42);
  opacity: 0;
  transform: translateY(9px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.lesson-card:hover .cover-play,
.lesson-card.active .cover-play {
  opacity: 1;
  transform: translateY(0);
}

.cover-play svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
  stroke: none;
  margin-left: 2px;
}

.lesson-body {
  padding: 14px 0 0;
}

.lesson-topline {
  display: none;
}

.lesson-card h3 {
  min-height: 0;
  overflow: hidden;
  color: #fff;
  font-size: 16px;
  line-height: 1.35;
  font-weight: 850;
  margin: 0 0 7px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lesson-card p {
  display: -webkit-box;
  min-height: 40px;
  overflow: hidden;
  color: var(--sp-muted);
  font-size: 14px;
  line-height: 1.45;
  margin: 0;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.compact-grid {
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
}

.compact-card {
  background: rgba(255, 255, 255, 0.045);
}

.lesson-meta,
.lesson-progress {
  display: none;
}

.level-card {
  display: none;
}

.queue-panel,
.mentor-card,
.device-card {
  display: block;
  border-radius: var(--radius);
  background: var(--sp-panel);
  padding: 16px;
}

.queue-panel {
  order: 2;
}

.mentor-card {
  order: 1;
}

.device-card {
  order: 3;
}

.section-heading.flush {
  margin-bottom: 12px;
}

.queue-list {
  display: grid;
  gap: 4px;
}

.queue-row {
  width: 100%;
  min-height: 58px;
  display: grid;
  grid-template-columns: 24px 42px minmax(0, 1fr) 22px;
  align-items: center;
  gap: 10px;
  border: 0;
  border-radius: 6px;
  padding: 7px 8px;
  color: var(--sp-muted);
  background: transparent;
  text-align: left;
}

.queue-row:hover,
.queue-row.active {
  background: var(--sp-hover);
  color: #fff;
}

.queue-row.active .queue-number {
  color: var(--sp-green);
}

.queue-art {
  width: 42px;
  height: 42px;
  border-radius: 4px;
  object-fit: cover;
}

.queue-copy {
  min-width: 0;
}

.queue-copy strong,
.queue-copy span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-copy strong {
  color: #fff;
  font-size: 13px;
  margin-bottom: 4px;
}

.queue-copy span {
  color: var(--sp-muted);
  font-size: 12px;
}

.queue-drag {
  color: var(--sp-faint);
}

.queue-actions {
  margin-top: 12px;
}

.danger-link {
  color: var(--sp-muted);
}

.mentor-profile {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  align-items: center;
  gap: 13px;
}

.mentor-avatar {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #282828, #535353);
  color: #fff;
  font-weight: 900;
}

.mentor-avatar span {
  position: absolute;
  right: 2px;
  bottom: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--sp-green);
  border: 3px solid var(--sp-panel);
}

.mentor-profile strong,
.mentor-profile span,
.mentor-profile small {
  display: block;
}

.mentor-profile strong {
  color: #fff;
  font-size: 16px;
  margin-bottom: 4px;
}

.mentor-profile span,
.mentor-profile small {
  color: var(--sp-muted);
  font-size: 12px;
}

.mentor-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 14px;
}

.mentor-actions button {
  min-height: 34px;
  border: 0;
  border-radius: 999px;
  background: var(--sp-panel-3);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 800;
}

.mentor-actions svg {
  width: 15px;
  height: 15px;
}

.lock-preview {
  min-height: 96px;
  border-radius: 8px;
  padding: 10px;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  background: #0d0d0d;
}

.lock-preview img {
  width: 64px;
  height: 64px;
  border-radius: 6px;
  object-fit: cover;
}

.lock-preview strong,
.lock-preview span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lock-preview strong {
  color: #fff;
  font-size: 14px;
  margin-bottom: 4px;
}

.lock-preview span {
  color: var(--sp-muted);
  font-size: 12px;
}

.mini-controls {
  display: flex;
  gap: 7px;
  margin-top: 12px;
}

.mini-controls span {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #535353;
}

.mini-controls span.active {
  width: 26px;
  background: var(--sp-green);
}

.device-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
  margin-top: 12px;
}

.device-mode {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid #3a3a3a;
  color: #fff;
  background: transparent;
  font-size: 12px;
}

.device-mode.active {
  border-color: var(--sp-green);
  color: #000;
  background: var(--sp-green);
}

.player {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  min-height: 90px;
  border-top: 1px solid #282828;
  background: #181818;
  display: grid;
  grid-template-columns: minmax(230px, 30%) minmax(360px, 1fr) minmax(230px, 30%);
  align-items: center;
  gap: 18px;
  padding: 12px 16px;
}

.player-track {
  min-width: 0;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 36px;
  align-items: center;
  gap: 14px;
}

.player-track img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: none;
}

.player-track strong,
.player-track span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-track strong {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 5px;
}

.player-track span {
  color: var(--sp-muted);
  font-size: 12px;
}

.transport {
  min-width: 0;
  display: grid;
  justify-items: center;
  gap: 8px;
}

.transport-buttons {
  gap: 16px;
}

.transport-buttons .icon-button {
  background: transparent;
}

.play-button {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #fff;
  color: #000;
}

.play-button:hover,
.play-button:focus-visible {
  transform: scale(1.06);
}

.play-button svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  stroke: none;
}

.pause-icon,
.playing .play-icon {
  display: none;
}

.playing .pause-icon {
  display: block;
}

.progress-row {
  width: min(650px, 100%);
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 10px;
}

.progress-row time {
  color: var(--sp-muted);
  font-size: 11px;
  text-align: center;
}

input[type="range"] {
  width: 100%;
  height: 4px;
  accent-color: #fff;
}

input[type="range"]:hover {
  accent-color: var(--sp-green);
}

.player-tools {
  justify-content: flex-end;
}

.speed-button {
  min-height: 32px;
  padding: 0 10px;
  color: var(--sp-muted);
  background: transparent;
}

.quality-select {
  min-height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 0 10px;
  color: #fff;
  background: #111;
  font: inherit;
  font-size: 0.82rem;
}

.active-control {
  color: var(--sp-green) !important;
}

#favoriteButton.active-control svg {
  fill: currentColor;
  stroke: currentColor;
}

.player-tools input[type="range"] {
  max-width: 96px;
}

.mobile-nav {
  display: none;
}

.plan-dialog,
.member-dialog {
  width: min(420px, calc(100vw - 34px));
  border: 0;
  border-radius: 10px;
  padding: 0;
  color: #fff;
  background: #282828;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
}

.plan-dialog::backdrop,
.member-dialog::backdrop {
  background: rgba(0, 0, 0, 0.58);
}

.plan-dialog form,
.member-dialog form {
  padding: 20px;
  display: grid;
  gap: 15px;
}

.plan-dialog label {
  display: grid;
  gap: 8px;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.plan-dialog input,
.plan-dialog select {
  height: 42px;
  border: 1px solid #3a3a3a;
  border-radius: 6px;
  padding: 0 12px;
  color: #fff;
  background: #121212;
}

.plan-dialog menu {
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.member-dialog {
  width: min(840px, calc(100vw - 34px));
}

.member-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.member-head h2 {
  margin: 0 0 6px;
  color: #fff;
  font-size: 26px;
}

.member-head p {
  color: var(--sp-muted);
  font-size: 13px;
}

.auth-gate {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 1fr);
  gap: 16px;
  align-items: stretch;
}

.auth-copy,
.auth-card {
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: #181818;
}

.auth-copy {
  min-height: 300px;
  padding: 24px;
  display: grid;
  align-content: center;
  gap: 16px;
  background:
    linear-gradient(135deg, rgba(30, 215, 96, 0.28), rgba(255, 255, 255, 0.04)),
    #141414;
}

.auth-copy img {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(30, 215, 96, 0.46), 0 18px 34px rgba(0, 0, 0, 0.28);
}

.auth-copy strong {
  max-width: 320px;
  color: #fff;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 0.98;
  font-weight: 950;
}

.auth-copy span {
  max-width: 310px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.45;
  font-size: 14px;
}

.auth-card {
  padding: 18px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.auth-mode-tabs {
  min-height: 42px;
  padding: 4px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.auth-mode-tabs button {
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: transparent;
  font-weight: 900;
}

.auth-mode-tabs button.active {
  color: #06180e;
  background: var(--sp-green);
}

.auth-field {
  display: grid;
  gap: 7px;
  color: #fff;
  font-size: 13px;
  font-weight: 850;
}

.auth-field input {
  width: 100%;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  padding: 0 13px;
  color: #fff;
  background: #101010;
  outline: 0;
}

.auth-field input:focus {
  border-color: rgba(30, 215, 96, 0.58);
  box-shadow: 0 0 0 3px rgba(30, 215, 96, 0.16);
}

.auth-password-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 76px;
  gap: 8px;
  align-items: center;
}

.auth-password-control button {
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  color: #fff;
  background: #242424;
  font-weight: 900;
}

.auth-password-control button:hover {
  background: #303030;
}

.auth-check {
  min-height: 30px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--sp-muted);
  font-size: 13px;
  font-weight: 800;
}

.auth-check input {
  width: 18px;
  height: 18px;
  accent-color: var(--sp-green);
}

.auth-message {
  min-height: 18px;
  color: var(--sp-muted);
  font-size: 13px;
}

.auth-message.error {
  color: #ff8f8f;
}

.auth-message.success {
  color: var(--sp-green);
}

.member-content {
  display: grid;
  gap: 15px;
}

.member-hero {
  min-height: 96px;
  border-radius: 12px;
  padding: 18px;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, rgba(30, 215, 96, 0.22), rgba(255, 255, 255, 0.05));
}

.member-avatar {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #000;
  background: #fff;
  font-size: 24px;
  font-weight: 900;
}

.member-avatar.has-image {
  background-position: center;
  background-size: cover;
  color: transparent;
}

.member-hero strong,
.member-hero span {
  display: block;
}

.member-hero strong {
  color: #fff;
  font-size: 20px;
  margin-bottom: 5px;
}

.member-hero span {
  color: var(--sp-muted);
  font-size: 13px;
}

.member-hero-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.primary-action:disabled,
.secondary-action:disabled {
  cursor: not-allowed;
  opacity: 0.58;
  transform: none;
}

.member-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

.member-tabs button {
  min-height: 36px;
  border: 0;
  border-radius: 999px;
  padding: 0 16px;
  color: #fff;
  background: var(--sp-panel-3);
  font-weight: 850;
}

.member-tabs button.active {
  color: #000;
  background: var(--sp-green);
}

.member-panel {
  display: none;
}

.member-panel.active {
  display: block;
}

.member-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.member-grid article,
.plan-card,
.device-list div {
  border-radius: 10px;
  padding: 15px;
  background: #181818;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.member-grid article span,
.plan-card span,
.device-list span {
  display: block;
  color: var(--sp-muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.member-grid article strong,
.plan-card strong,
.device-list strong {
  display: block;
  color: #fff;
  font-size: 16px;
  margin-bottom: 7px;
}

.member-grid article p,
.plan-card p {
  color: var(--sp-muted);
  font-size: 13px;
  line-height: 1.45;
}

.member-grid.slim article {
  text-align: center;
}

.plan-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.device-list {
  display: grid;
  gap: 10px;
}

.member-settings-grid,
.member-device-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.member-form-card,
.session-history article {
  border-radius: 10px;
  padding: 15px;
  background: #181818;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.member-form-card {
  display: grid;
  gap: 11px;
  align-content: start;
}

.member-form-card > span,
.member-security-summary span,
.session-history article span {
  color: var(--sp-muted);
  font-size: 12px;
  font-weight: 800;
}

.member-form-card > strong,
.member-security-summary strong,
.session-history article strong {
  color: #fff;
  font-size: 16px;
}

.member-form-card label {
  display: grid;
  gap: 6px;
}

.member-form-card small {
  color: var(--sp-muted);
  font-size: 12px;
  font-weight: 800;
}

.member-form-card input,
.member-form-card textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  padding: 10px 12px;
  color: #fff;
  background: #101010;
  outline: 0;
}

.member-form-card textarea {
  resize: vertical;
  min-height: 78px;
}

.member-form-card input:focus,
.member-form-card textarea:focus {
  border-color: rgba(30, 215, 96, 0.58);
  box-shadow: 0 0 0 3px rgba(30, 215, 96, 0.16);
}

.member-inline-check {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  color: var(--sp-muted);
  font-size: 13px;
  font-weight: 800;
}

.member-inline-check input {
  width: 18px;
  height: 18px;
  accent-color: var(--sp-green);
}

.member-status {
  min-height: 18px;
  color: var(--sp-muted);
  font-size: 12px;
}

.member-security-summary {
  border-radius: 8px;
  padding: 12px;
  display: grid;
  gap: 5px;
  background: rgba(30, 215, 96, 0.1);
  border: 1px solid rgba(30, 215, 96, 0.16);
}

.member-security-summary small {
  color: var(--sp-muted);
  font-size: 12px;
}

.member-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.member-section-head strong,
.member-section-head span {
  display: block;
}

.member-section-head strong {
  color: #fff;
  font-size: 18px;
}

.member-section-head span {
  color: var(--sp-muted);
  font-size: 13px;
}

.device-list div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.device-list div.is-revoked {
  opacity: 0.54;
}

.device-list div span {
  margin-bottom: 0;
}

.session-history {
  display: grid;
  gap: 10px;
}

.session-history article {
  display: grid;
  gap: 5px;
}

.session-history article p {
  color: var(--sp-muted);
  font-size: 12px;
  line-height: 1.35;
}

[hidden] {
  display: none !important;
}

.dynamic-view,
.playlist-detail,
.integration-section {
  margin-bottom: 34px;
}

.playlist-detail,
.library-hero,
.top-result,
.integration-grid article,
.lyric-card,
.full-settings,
.full-art-section,
.maintenance-dialog form {
  border-radius: var(--radius);
  background: var(--sp-panel-2);
  border: 1px solid var(--sp-border);
}

.playlist-detail {
  padding: 20px;
}

.playlist-hero {
  display: grid;
  grid-template-columns: 188px minmax(0, 1fr);
  gap: 22px;
  align-items: end;
  padding: 14px 0 18px;
}

.playlist-hero img,
.full-art-section img {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  object-fit: cover;
  box-shadow: 0 24px 54px rgba(0, 0, 0, 0.45);
}

.playlist-hero span,
.playlist-hero small,
.playlist-tag,
.library-hero span,
.top-result span,
.track-chip,
.maintenance-list span {
  color: var(--sp-muted);
  font-size: 12px;
  font-weight: 800;
}

.playlist-hero h2 {
  margin: 8px 0 10px;
  color: #fff;
  font-size: clamp(38px, 6vw, 76px);
  line-height: 0.94;
  font-weight: 950;
}

.playlist-hero p {
  max-width: 720px;
  color: var(--sp-muted);
  line-height: 1.45;
  margin-bottom: 10px;
}

.playlist-toolbar {
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.circle-action {
  width: 54px;
  min-height: 54px;
  padding: 0;
  border-radius: 50%;
}

.circle-action svg {
  fill: currentColor;
  stroke: none;
  margin-left: 2px;
}

.track-table,
.result-list {
  display: grid;
  gap: 6px;
}

.track-row,
.artist-row,
.album-row {
  width: 100%;
  min-height: 58px;
  border: 0;
  border-radius: 6px;
  padding: 7px 10px;
  display: grid;
  align-items: center;
  gap: 12px;
  color: var(--sp-muted);
  background: transparent;
  text-align: left;
}

.track-row {
  grid-template-columns: 32px 46px minmax(0, 1fr) auto 54px;
}

.artist-row,
.album-row {
  grid-template-columns: 50px minmax(0, 1fr) auto;
}

.track-row:hover,
.track-row.active,
.artist-row:hover,
.album-row:hover,
.queue-row.dragging {
  color: #fff;
  background: var(--sp-hover);
}

.track-row img,
.album-row img {
  width: 46px;
  height: 46px;
  border-radius: 4px;
  object-fit: cover;
}

.track-index {
  text-align: center;
  color: inherit;
}

.track-row.active .track-index {
  color: var(--sp-green);
}

.track-copy,
.artist-row span,
.album-row span {
  min-width: 0;
}

.track-copy strong,
.track-copy span,
.track-copy small,
.artist-row strong,
.artist-row small,
.album-row strong,
.album-row small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.track-copy strong,
.artist-row strong,
.album-row strong {
  color: #fff;
  font-size: 14px;
  margin-bottom: 4px;
}

.track-copy span,
.track-copy small,
.artist-row small,
.album-row small,
.album-row em,
.artist-row em,
.track-time {
  color: var(--sp-muted);
  font-size: 12px;
  font-style: normal;
}

.track-chip,
.playlist-tag,
.status-pill {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 5px 9px;
  background: rgba(255, 255, 255, 0.08);
}

.view-tabs {
  display: flex;
  gap: 8px;
  margin: -6px 0 18px;
  overflow-x: auto;
}

.view-tabs button {
  min-height: 34px;
  border: 0;
  border-radius: 999px;
  padding: 0 15px;
  color: #fff;
  background: rgba(255, 255, 255, 0.10);
  font-weight: 850;
}

.view-tabs button.active {
  color: #000;
  background: #fff;
}

.search-layout {
  display: grid;
  grid-template-columns: minmax(240px, 330px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.top-result {
  min-height: 318px;
  padding: 18px;
  display: grid;
  align-content: end;
  gap: 10px;
}

.top-result img {
  width: 104px;
  height: 104px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.45);
}

.top-result h3 {
  color: #fff;
  font-size: 28px;
  line-height: 1.05;
}

.top-result p {
  color: var(--sp-muted);
  font-size: 13px;
}

.artist-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #535353, #191919);
  color: #fff;
  font-weight: 900;
}

.library-hero {
  min-height: 152px;
  padding: 22px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
  background:
    linear-gradient(135deg, rgba(30, 215, 96, 0.22), rgba(255, 255, 255, 0.035)),
    var(--sp-panel-2);
}

.library-hero h2 {
  max-width: 780px;
  color: #fff;
  font-size: clamp(26px, 4vw, 46px);
  line-height: 1.03;
  margin-top: 8px;
}

.library-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.library-stats article {
  border-radius: var(--radius);
  padding: 15px;
  background: var(--sp-panel-2);
  border: 1px solid var(--sp-border);
}

.library-stats strong,
.library-stats span {
  display: block;
}

.library-stats strong {
  color: #fff;
  font-size: 26px;
  margin-bottom: 4px;
}

.library-stats span {
  color: var(--sp-muted);
  font-size: 12px;
}

.library-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.compact-list .track-row {
  grid-template-columns: 28px 42px minmax(0, 1fr) auto;
}

.compact-list .track-time {
  display: none;
}

.tight-block {
  margin-bottom: 0;
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.integration-grid article {
  min-height: 170px;
  padding: 16px;
}

.integration-grid strong,
.integration-grid span {
  display: block;
}

.integration-grid strong {
  color: #fff;
  font-size: 17px;
  margin-bottom: 7px;
}

.integration-grid span {
  color: var(--sp-green);
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 12px;
}

.integration-grid p {
  color: var(--sp-muted);
  font-size: 13px;
  line-height: 1.45;
  margin-bottom: 12px;
}

.empty-state {
  min-height: 88px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  color: var(--sp-muted);
  background: rgba(255, 255, 255, 0.04);
}

.toggle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.switch-row {
  min-height: 62px;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  padding: 10px 12px;
  background: #181818;
  color: #fff;
  text-align: left;
}

.switch-row strong,
.switch-row span {
  display: block;
}

.switch-row strong {
  font-size: 13px;
  margin-bottom: 4px;
}

.switch-row span {
  color: var(--sp-muted);
  font-size: 12px;
}

.switch-row.active {
  border-color: var(--sp-green);
  box-shadow: inset 0 0 0 1px rgba(30, 215, 96, 0.24);
}

.full-player-dialog,
.maintenance-dialog {
  width: min(1180px, calc(100vw - 34px));
  border: 0;
  border-radius: 12px;
  padding: 0;
  color: #fff;
  background: #101010;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.72);
}

.full-player-dialog::backdrop,
.maintenance-dialog::backdrop {
  background: rgba(0, 0, 0, 0.68);
}

.full-player-dialog form {
  padding: 20px;
}

.full-player-top,
.maintenance-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.full-player-top span {
  color: var(--sp-muted);
  font-weight: 900;
}

.full-player-layout {
  display: grid;
  grid-template-columns: minmax(270px, 0.9fr) minmax(0, 1.1fr);
  gap: 16px;
}

.full-art-section {
  padding: 18px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.full-art-section h2 {
  color: #fff;
  font-size: clamp(30px, 5vw, 58px);
  line-height: 1;
  margin: 6px 0 8px;
}

.full-art-section p,
.full-art-section span {
  color: var(--sp-muted);
}

.full-side {
  display: grid;
  gap: 12px;
}

.lyric-card,
.full-settings {
  padding: 18px;
}

#lyricLines {
  display: grid;
  gap: 10px;
}

#lyricLines p {
  color: var(--sp-muted);
  font-size: clamp(18px, 3vw, 28px);
  line-height: 1.18;
  font-weight: 900;
}

#lyricLines p.active {
  color: var(--sp-green);
}

.setting-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.setting-pills.enhanced {
  display: block;
}

.setting-pills.compact {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.setting-pills span,
.maintenance-list span {
  display: inline-flex;
  border-radius: 999px;
  padding: 6px 10px;
  line-height: 1.25;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.setting-pills.compact button {
  min-height: 32px;
  border: 0;
  border-radius: 999px;
  padding: 0 11px;
  color: #fff;
  background: rgba(255, 255, 255, 0.10);
  font-size: 12px;
  font-weight: 900;
}

.player-lab-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.player-lab-card {
  min-width: 0;
  border-radius: 8px;
  padding: 14px;
  display: grid;
  gap: 10px;
  background: #101010;
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.player-lab-card.wide {
  grid-column: 1 / -1;
}

.player-lab-card > strong {
  color: #fff;
  font-size: 15px;
}

.player-lab-card p {
  margin: 0;
  color: var(--sp-muted);
  font-size: 14px;
  line-height: 1.4;
}

.player-lab-card .switch-row {
  width: 100%;
}

.eq-board {
  min-height: 138px;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  align-items: end;
  gap: 7px;
}

.eq-board label {
  min-width: 0;
  display: grid;
  justify-items: center;
  gap: 8px;
}

.eq-board input {
  width: 118px;
  transform: rotate(-90deg);
  transform-origin: center;
}

.eq-board span,
.device-picker-list small,
.mini-stack small,
.blend-grid small {
  color: var(--sp-muted);
  font-size: 11px;
  font-weight: 800;
}

.device-picker-list,
.mini-stack,
.blend-grid {
  display: grid;
  gap: 8px;
}

.device-picker-list button,
.mini-stack span,
.blend-grid span {
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 8px;
  padding: 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
  text-align: left;
}

.device-picker-list button > span {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.device-picker-list button.active,
.blend-grid span {
  border-color: rgba(30, 215, 96, 0.28);
}

.device-picker-list b,
.mini-stack b,
.blend-grid b {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}

.device-picker-list small,
.mini-stack small,
.blend-grid small {
  display: block;
  margin-top: 3px;
  line-height: 1.25;
}

.device-picker-list em {
  border-radius: 999px;
  padding: 4px 7px;
  color: #111;
  background: var(--sp-green);
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
}

.blend-grid span {
  position: relative;
  overflow: hidden;
}

.blend-grid span::before {
  content: "";
  position: absolute;
  left: 0;
  right: auto;
  bottom: 0;
  width: var(--score);
  height: 3px;
  background: var(--sp-green);
}

.eq-presets,
.sleep-options,
.studio-tabs,
.ops-section-head > div,
.queue-row-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.eq-presets button,
.sleep-options button,
.studio-tabs button,
.queue-row-tools button,
.ops-section-head button,
.ops-section-head select,
.ops-card button {
  min-height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 999px;
  padding: 0 12px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  font-size: 12px;
  font-weight: 900;
}

.eq-presets button.active,
.sleep-options button.active,
.studio-tabs button.active {
  color: #000;
  background: var(--sp-green);
  border-color: var(--sp-green);
}

.queue-row-pro {
  grid-template-columns: 28px 42px minmax(0, 1fr) auto 24px;
}

.queue-row-tools {
  justify-content: flex-end;
  gap: 4px;
}

.queue-row-tools button {
  width: 28px;
  min-height: 28px;
  padding: 0;
  border-radius: 50%;
  color: var(--sp-muted);
  background: transparent;
}

.queue-row-tools button:hover,
.queue-row-tools button:focus-visible {
  color: #000;
  background: var(--sp-green);
}

.maintenance-dialog {
  width: min(560px, calc(100vw - 34px));
}

.maintenance-dialog form {
  padding: 22px;
}

.maintenance-dialog h2 {
  color: #fff;
  font-size: 28px;
  margin: 0 0 10px;
}

.maintenance-dialog p {
  color: var(--sp-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.maintenance-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 18px;
}

.maintenance-list span {
  width: 100%;
  justify-content: flex-start;
  line-height: 1.35;
}

.maintenance-dialog menu {
  display: flex;
  justify-content: flex-end;
  padding: 0;
  margin: 0;
}

.mood-grid,
.release-board,
.studio-grid,
.maintenance-board,
.capability-grid,
.ops-grid,
.feature-stack {
  display: grid;
  gap: 12px;
}

.stack-heading {
  margin-top: 22px;
}

.backbone-console {
  margin-top: 22px;
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--sp-border);
  scroll-margin-top: 92px;
}

.backbone-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  align-items: end;
  margin: 14px 0 16px;
}

.backbone-search {
  grid-column: span 2;
}

.backbone-controls label {
  min-width: 0;
  display: grid;
  gap: 6px;
  color: var(--sp-muted);
  font-size: 11px;
  font-weight: 900;
}

.backbone-controls input,
.backbone-controls select {
  width: 100%;
  height: 38px;
  border: 1px solid #3a3a3a;
  border-radius: 6px;
  padding: 0 10px;
  color: #fff;
  background: #111;
}

.backbone-results {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.backbone-card {
  min-height: 248px;
  border-radius: var(--radius);
  padding: 15px;
  display: grid;
  gap: 11px;
  align-content: start;
  background: var(--sp-panel-2);
  border: 1px solid var(--sp-border);
}

.backbone-card.active {
  border-color: rgba(30, 215, 96, 0.34);
}

.backbone-card.partial {
  border-color: rgba(79, 195, 247, 0.30);
}

.backbone-card.maintenance {
  border-color: rgba(255, 209, 102, 0.22);
}

.backbone-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.backbone-card-head em {
  color: #fff;
  font-size: 12px;
  font-style: normal;
  font-weight: 950;
}

.backbone-card strong {
  color: #fff;
  font-size: 18px;
}

.backbone-card p {
  color: var(--sp-muted);
  font-size: 13px;
  line-height: 1.45;
}

.backbone-card dl {
  margin: 0;
  display: grid;
  gap: 6px;
}

.backbone-card dl div {
  min-width: 0;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 8px;
}

.backbone-card dt,
.backbone-card dd {
  margin: 0;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--sp-muted);
  font-size: 12px;
}

.backbone-card dd {
  color: #fff;
}

.capability-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-stack {
  margin-top: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ops-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mood-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 28px;
}

.mood-card {
  min-height: 148px;
  border: 0;
  border-radius: var(--radius);
  padding: 17px;
  display: grid;
  align-content: end;
  gap: 8px;
  color: #fff;
  text-align: left;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--mood-color), transparent 12%), rgba(255, 255, 255, 0.04)),
    var(--sp-panel-2);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.mood-card strong {
  font-size: 24px;
  line-height: 1;
}

.mood-card span,
.mood-card small {
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.release-board {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.release-card,
.settings-row,
.studio-grid article,
.maintenance-board article,
.capability-card,
.feature-card,
.ops-card {
  border-radius: var(--radius);
  background: var(--sp-panel-2);
  border: 1px solid var(--sp-border);
}

.capability-card,
.feature-card,
.ops-card {
  padding: 16px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.capability-card.active,
.feature-card.active,
.ops-card.active {
  border-color: rgba(30, 215, 96, 0.35);
  background:
    linear-gradient(135deg, rgba(30, 215, 96, 0.12), rgba(255, 255, 255, 0.025)),
    var(--sp-panel-2);
}

.capability-card.maintenance,
.feature-card.maintenance,
.ops-card.maintenance {
  border-color: rgba(255, 209, 102, 0.22);
}

.capability-card.mixed,
.feature-card.mixed {
  border-color: rgba(79, 195, 247, 0.28);
}

.capability-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.capability-card strong,
.feature-card strong,
.ops-card strong {
  color: #fff;
  font-size: 18px;
  line-height: 1.18;
}

.capability-card p,
.feature-card p,
.ops-card p {
  color: var(--sp-muted);
  font-size: 13px;
  line-height: 1.45;
}

.capability-list,
.ops-card div {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.capability-list span,
.ops-card em {
  border-radius: 999px;
  padding: 6px 9px;
  color: #ddd;
  background: rgba(255, 255, 255, 0.06);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
}

.status-pill.active {
  color: #06180e;
  background: var(--sp-green);
}

.status-pill.maintenance {
  color: #211900;
  background: #ffd166;
}

.status-pill.mixed {
  color: #04151c;
  background: #4fc3f7;
}

.release-card {
  min-height: 88px;
  padding: 12px;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 38px;
  gap: 12px;
  align-items: center;
}

.release-card img {
  width: 64px;
  height: 64px;
  border-radius: 6px;
  object-fit: cover;
  cursor: pointer;
}

.release-card span,
.release-card p,
.profile-hero span,
.profile-hero small,
.settings-row small,
.settings-row em,
.studio-grid span,
.studio-grid p,
.maintenance-board span,
.maintenance-board p,
.mobile-roadmap span,
.mobile-roadmap p {
  color: var(--sp-muted);
  font-size: 12px;
}

.release-card strong,
.settings-row strong,
.studio-grid strong,
.maintenance-board strong,
.mobile-roadmap strong {
  display: block;
  color: #fff;
  font-size: 16px;
  margin: 4px 0;
}

.profile-hero,
.studio-hero {
  min-height: 250px;
  border-radius: var(--radius);
  padding: 22px;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  align-items: end;
  gap: 22px;
  background:
    linear-gradient(135deg, rgba(30, 215, 96, 0.18), rgba(255, 255, 255, 0.035)),
    var(--sp-panel-2);
  border: 1px solid var(--sp-border);
}

.profile-hero img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.46);
}

.profile-hero h2,
.studio-hero h2 {
  color: #fff;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 0.92;
  margin: 8px 0 12px;
  font-weight: 950;
}

.profile-hero p,
.studio-hero p {
  color: var(--sp-muted);
  font-size: 15px;
  line-height: 1.45;
  max-width: 720px;
}

.studio-upload-card,
.studio-runtime {
  margin-top: 18px;
}

.studio-upload-card {
  border-radius: var(--radius);
  padding: 18px;
  display: grid;
  gap: 14px;
  background: var(--sp-panel-2);
  border: 1px solid rgba(30, 215, 96, 0.28);
}

.studio-upload-card > div:first-child strong,
.studio-upload-card > div:first-child span,
.studio-upload-card > div:first-child p {
  display: block;
}

.studio-upload-card > div:first-child strong {
  color: #fff;
  font-size: 22px;
  margin: 4px 0;
}

.studio-upload-card > div:first-child p,
.studio-upload-card label span,
.studio-upload-card output,
.studio-runtime small {
  color: var(--sp-muted);
  font-size: 12px;
  font-weight: 800;
}

.studio-upload-card label {
  display: grid;
  gap: 6px;
}

.studio-upload-card input,
.studio-upload-card select {
  min-height: 42px;
  border: 1px solid var(--sp-border);
  border-radius: 6px;
  padding: 0 12px;
  color: #fff;
  background: #0f0f0f;
}

.studio-upload-card input[type="file"] {
  padding: 10px 12px;
}

.studio-upload-grid,
.studio-runtime {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.studio-runtime article {
  border-radius: 8px;
  padding: 14px;
  background: #181818;
  border: 1px solid var(--sp-border);
}

.studio-runtime strong,
.studio-runtime span,
.studio-runtime small {
  display: block;
}

.studio-runtime strong {
  color: #fff;
  font-size: 24px;
}

.studio-runtime span {
  color: var(--sp-green);
  font-size: 12px;
  font-weight: 950;
  margin: 4px 0;
}

.studio-runtime {
  grid-template-columns: 1fr;
}

.studio-kpi-row,
.studio-two-col,
.claim-grid {
  display: grid;
  gap: 10px;
}

.studio-kpi-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.studio-tabs {
  margin: 4px 0;
  padding-bottom: 4px;
  overflow-x: auto;
}

.studio-panel {
  display: none;
}

.studio-panel.active {
  display: grid;
  gap: 14px;
}

.studio-two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ops-section-head {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ops-section-head h3 {
  margin: 0;
  color: #fff;
  font-size: 24px;
}

.ops-card {
  min-width: 0;
  border-radius: 8px;
  padding: 15px;
  display: grid;
  gap: 12px;
  background: #151515;
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.ops-card.wide {
  grid-column: 1 / -1;
}

.ops-card > strong {
  color: #fff;
  font-size: 17px;
}

.ops-card p {
  margin: 0;
  color: var(--sp-muted);
  font-size: 13px;
  line-height: 1.4;
}

.ops-table,
.moderation-list,
.audit-list,
.metric-list {
  display: grid;
  gap: 8px;
}

.ops-table > span,
.moderation-list > span,
.audit-list > span,
.metric-bar,
.claim-grid > span {
  min-width: 0;
  border-radius: 8px;
  padding: 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.moderation-list > span {
  grid-template-columns: minmax(0, 1fr) auto auto auto auto;
}

.ops-table b,
.moderation-list b,
.audit-list b,
.metric-bar b,
.claim-grid b {
  color: #fff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}

.ops-table small,
.moderation-list small,
.audit-list small,
.claim-grid small {
  color: var(--sp-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  font-weight: 750;
}

.ops-pill {
  border-radius: 999px;
  padding: 4px 8px;
  color: #07140b;
  background: var(--sp-green);
  font-size: 11px;
  font-weight: 950;
  text-transform: uppercase;
}

.ops-pill.warn {
  color: #1d1600;
  background: #f4c95d;
}

.ops-pill.danger {
  color: #fff;
  background: #d04444;
}

.metric-bar {
  position: relative;
  overflow: hidden;
}

.metric-bar::before {
  content: "";
  position: absolute;
  inset: auto auto 0 0;
  width: var(--bar);
  height: 3px;
  background: var(--sp-green);
}

.metric-bar em {
  color: var(--sp-green);
  font-style: normal;
  font-size: 12px;
  font-weight: 950;
}

.claim-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.profile-form label {
  display: grid;
  gap: 6px;
  color: var(--sp-muted);
  font-size: 12px;
  font-weight: 850;
}

.profile-form input,
.profile-form select,
.profile-form textarea,
.ops-section-head select {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: #fff;
  background: #0d0d0d;
}

.profile-form input,
.profile-form select,
.profile-form textarea {
  min-height: 40px;
  padding: 9px 10px;
  font: inherit;
}

.profile-form textarea {
  min-height: 86px;
  resize: vertical;
}

.profile-form .inline-check {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
}

.profile-actions {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0 22px;
}

.compact-actions {
  min-height: 42px;
  margin: 0;
  flex-wrap: wrap;
}

.verified-line {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--sp-green);
  font-size: 13px;
  font-weight: 950;
}

.verified-badge {
  width: 18px;
  height: 18px;
  min-width: 18px;
  min-height: 18px;
  display: inline-grid;
  place-items: center;
  border: 0;
  border-radius: 999px;
  padding: 0;
  color: #06130a;
  background: var(--sp-green);
  font-size: 12px;
  font-weight: 950;
  line-height: 1;
  box-shadow: 0 0 0 1px rgba(30, 215, 96, 0.22);
  cursor: pointer;
}

.verified-badge.large {
  width: 34px;
  height: 34px;
  min-width: 34px;
  min-height: 34px;
  font-size: 20px;
  cursor: default;
}

.verified-alert-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.18);
}

.verified-alert {
  width: min(340px, calc(100vw - 36px));
  display: grid;
  gap: 10px;
  justify-items: start;
  border: 1px solid rgba(30, 215, 96, 0.34);
  border-radius: 8px;
  padding: 18px;
  color: #fff;
  background: #101010;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.verified-alert strong {
  font-size: 18px;
  font-weight: 950;
}

.verified-alert p {
  margin: 0;
  color: var(--sp-muted);
  font-size: 13px;
  line-height: 1.45;
}

.detail-columns,
.settings-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 20px;
}

.settings-panel {
  border-radius: var(--radius);
  padding: 18px;
  background: var(--sp-panel-2);
  border: 1px solid var(--sp-border);
}

.settings-list {
  display: grid;
  gap: 8px;
}

.settings-row {
  min-height: 74px;
  width: 100%;
  padding: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  color: #fff;
  text-align: left;
}

.settings-row:hover,
.mood-card:hover,
.release-card:hover,
.studio-grid article:hover,
.maintenance-board article:hover {
  background-color: var(--sp-hover);
}

.mobile-roadmap {
  display: grid;
  gap: 10px;
}

.mobile-roadmap article {
  border-radius: var(--radius);
  padding: 14px;
  background: #101010;
  border: 1px solid var(--sp-border);
}

.mobile-roadmap span {
  display: inline-flex;
  border-radius: 999px;
  padding: 4px 8px;
  color: #000;
  background: var(--sp-green);
  font-weight: 900;
}

.studio-hero {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  margin-bottom: 16px;
}

.studio-grid,
.maintenance-board {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.studio-grid article,
.maintenance-board article {
  min-height: 188px;
  padding: 16px;
  display: grid;
  align-content: start;
  gap: 8px;
}

.studio-grid span,
.maintenance-board span {
  color: var(--sp-green);
  font-weight: 900;
}

.playlist-editor-dialog {
  width: min(760px, calc(100vw - 34px));
  border: 0;
  border-radius: 12px;
  padding: 0;
  color: #fff;
  background: #202020;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.72);
}

.playlist-editor-dialog::backdrop {
  background: rgba(0, 0, 0, 0.68);
}

.playlist-editor-dialog form {
  padding: 20px;
  display: grid;
  gap: 14px;
}

.editor-form {
  display: grid;
  grid-template-columns: 1fr 1fr 180px;
  gap: 10px;
}

.editor-form label {
  display: grid;
  gap: 7px;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}

.editor-form input,
.editor-form select {
  height: 40px;
  border: 1px solid #3a3a3a;
  border-radius: 6px;
  padding: 0 11px;
  color: #fff;
  background: #121212;
}

.editor-track-list {
  max-height: 310px;
  overflow: auto;
  display: grid;
  gap: 6px;
}

.editor-track-row {
  min-height: 56px;
  border-radius: 6px;
  padding: 7px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 32px 32px 32px;
  align-items: center;
  gap: 8px;
  background: #181818;
}

.editor-track-row img {
  width: 42px;
  height: 42px;
  border-radius: 4px;
  object-fit: cover;
}

.editor-track-row strong,
.editor-track-row small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.editor-track-row strong {
  color: #fff;
  font-size: 13px;
}

.editor-track-row small {
  color: var(--sp-muted);
  font-size: 12px;
}

.editor-track-row button {
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.playlist-editor-dialog menu {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin: 0;
  padding: 0;
}

@media (max-width: 1160px) {
  .app-shell {
    grid-template-columns: 242px minmax(0, 1fr);
  }

  .content-grid {
    display: block;
  }

  .right-panel {
    display: none;
  }

  .lesson-grid {
    grid-template-columns: repeat(auto-fill, minmax(154px, 1fr));
  }

  .feature-stack,
  .ops-grid,
  .backbone-results {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .backbone-controls {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .player {
    grid-template-columns: 260px minmax(300px, 1fr) 210px;
  }
}

@media (max-width: 820px) {
  .app-shell {
    display: block;
    padding: 0 0 150px;
  }

  .sidebar {
    display: none;
  }

  .workspace {
    min-height: 100vh;
    height: auto;
    border-radius: 0;
  }

  .topbar {
    min-height: auto;
    padding: 14px 16px 8px;
    display: grid;
    gap: 12px;
  }

  .topbar::before {
    content: "Tutorly";
    width: auto;
    height: auto;
    color: #fff;
    background: none;
    font-size: 28px;
    font-weight: 900;
  }

  .search-box {
    width: 100%;
    order: 2;
  }

  .top-actions {
    order: 1;
    justify-content: space-between;
  }

  .top-actions .icon-button:nth-child(1),
  .top-actions .icon-button:nth-child(2) {
    display: none;
  }

  .hero-row {
    padding: 18px 16px 10px;
    display: block;
  }

  h1 {
    font-size: 30px;
  }

  .hero-actions {
    margin-top: 18px;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .filter-rail {
    margin: 8px 16px 20px;
  }

  .main-column {
    padding: 0 16px 22px;
  }

  .lesson-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .lesson-card {
    padding: 12px;
  }

  .player {
    min-height: 74px;
    bottom: 68px;
    grid-template-columns: minmax(0, 1fr) 58px;
    gap: 8px;
    padding: 9px 14px;
    background: #282828;
  }

  .player-track {
    grid-template-columns: 54px minmax(0, 1fr);
  }

  .player-track img {
    width: 54px;
    height: 54px;
  }

  .player-track .icon-button,
  .transport .transport-buttons .icon-button,
  .progress-row,
  .player-tools {
    display: none;
  }

  .transport {
    display: flex;
    justify-content: flex-end;
  }

  .transport-buttons {
    gap: 0;
  }

  .play-button {
    width: 46px;
    height: 46px;
  }

  .mobile-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 30;
    min-height: 68px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    background: #000;
    border-top: 1px solid #282828;
  }

  .mobile-nav button {
    min-height: 68px;
    border-radius: 0;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    color: var(--sp-muted);
    padding: 6px 2px;
    font-size: 11px;
  }

  .mobile-nav svg {
    width: 22px;
    height: 22px;
  }

  .mobile-nav button.active {
    color: #fff;
    background: transparent;
  }

  .member-hero {
    grid-template-columns: 52px minmax(0, 1fr);
  }

  .member-hero .primary-action {
    grid-column: 1 / -1;
  }

  .member-hero-actions {
    grid-column: 1 / -1;
    justify-content: stretch;
  }

  .member-hero-actions .primary-action,
  .member-hero-actions .secondary-action {
    flex: 1;
  }

  .auth-gate {
    grid-template-columns: 1fr;
  }

  .auth-copy {
    min-height: 190px;
  }

  .member-grid,
  .member-grid.slim,
  .member-settings-grid,
  .member-device-layout,
  .plan-card,
  .capability-grid,
  .feature-stack,
  .ops-grid,
  .backbone-controls,
  .backbone-results,
  .player-lab-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .playlist-detail {
    padding: 14px;
  }

  .playlist-hero,
  .search-layout,
  .library-columns,
  .full-player-layout {
    grid-template-columns: 1fr;
  }

  .playlist-hero img {
    width: min(190px, 62vw);
  }

  .playlist-hero h2 {
    font-size: 38px;
  }

  .playlist-toolbar {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .circle-action {
    width: 50px;
  }

  .track-row {
    grid-template-columns: 24px 42px minmax(0, 1fr) 42px;
  }

  .track-chip {
    display: none;
  }

  .library-hero {
    align-items: stretch;
    flex-direction: column;
  }

  .library-stats,
  .integration-grid,
  .mood-grid,
  .release-board,
  .studio-grid,
  .studio-kpi-row,
  .studio-upload-grid,
  .studio-runtime,
  .maintenance-board,
  .detail-columns,
  .settings-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .profile-hero {
    grid-template-columns: 128px minmax(0, 1fr);
    min-height: 190px;
  }

  .profile-hero img {
    width: 128px;
    height: 128px;
  }

  .profile-hero h2,
  .studio-hero h2 {
    font-size: 38px;
  }

  .studio-hero,
  .editor-form {
    grid-template-columns: 1fr;
  }

  .top-result {
    min-height: 240px;
  }

  .full-player-dialog form,
  .maintenance-dialog form {
    padding: 16px;
  }

  .full-art-section {
    grid-template-columns: 112px minmax(0, 1fr);
    align-items: center;
  }

  .full-art-section h2 {
    font-size: 28px;
  }
}

@media (max-width: 460px) {
  .hero-actions {
    grid-template-columns: 1fr;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .lesson-grid {
    gap: 12px;
  }

  .library-stats,
  .integration-grid,
  .toggle-grid,
  .mood-grid,
  .release-board,
  .studio-grid,
  .studio-kpi-row,
  .studio-two-col,
  .claim-grid,
  .studio-upload-grid,
  .studio-runtime,
  .maintenance-board,
  .detail-columns,
  .settings-layout {
    grid-template-columns: 1fr;
  }

  .profile-hero {
    grid-template-columns: 1fr;
  }

  .profile-hero img {
    width: min(160px, 60vw);
    height: min(160px, 60vw);
  }

  .release-card {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .release-card .icon-button {
    display: none;
  }

  .editor-track-row {
    grid-template-columns: 38px minmax(0, 1fr) 28px 28px 28px;
  }

  .artist-row,
  .album-row {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .artist-row em,
  .album-row em {
    display: none;
  }
}

/* Tutorly UI polish layer: alignment, icon balance, and product motion. */
:root {
  --motion-fast: 140ms cubic-bezier(0.2, 0, 0, 1);
  --motion-smooth: 240ms cubic-bezier(0.22, 1, 0.36, 1);
  --motion-spring: 360ms cubic-bezier(0.2, 0.86, 0.18, 1);
  --ring: 0 0 0 3px rgba(30, 215, 96, 0.34);
  --surface-lift: rgba(255, 255, 255, 0.055);
  --surface-press: rgba(255, 255, 255, 0.1);
  --shadow-soft: 0 14px 34px rgba(0, 0, 0, 0.34);
  --shadow-player: 0 -18px 42px rgba(0, 0, 0, 0.54);
}

html {
  scroll-behavior: smooth;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background:
    radial-gradient(circle at 52% -18%, rgba(30, 215, 96, 0.11), transparent 32rem),
    linear-gradient(180deg, #020403 0%, #000 34rem),
    var(--sp-bg);
}

button,
input,
select {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.lesson-card:focus-visible,
.release-card:focus-visible,
.settings-row:focus-visible {
  outline: 0;
  box-shadow: var(--ring);
}

button:active {
  transform: translateY(1px) scale(0.985);
}

.brand {
  position: relative;
  overflow: hidden;
  transition: background var(--motion-fast), transform var(--motion-fast);
}

.brand:hover {
  background: #171717;
}

.brand-mark {
  width: 36px;
  height: 36px;
  box-shadow:
    0 0 0 1px rgba(30, 215, 96, 0.5),
    0 0 22px rgba(30, 215, 96, 0.2);
}

.brand-name {
  letter-spacing: 0;
}

.nav-item,
.mobile-nav button {
  position: relative;
  min-width: 0;
  border-radius: 6px;
  transition:
    color var(--motion-fast),
    background var(--motion-fast),
    transform var(--motion-fast);
}

.nav-item svg,
.mobile-nav svg,
.icon-button svg,
.primary-action svg,
.secondary-action svg {
  flex: 0 0 auto;
  stroke-width: 2.15;
}

.nav-item:hover,
.nav-item:focus-visible {
  background: var(--surface-lift);
}

.nav-item:hover {
  transform: translateX(2px);
}

.nav-item.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.055);
}

.nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  bottom: 11px;
  width: 3px;
  border-radius: 999px;
  background: var(--sp-green);
}

.workspace {
  scrollbar-color: rgba(255, 255, 255, 0.24) transparent;
  scrollbar-width: thin;
}

.workspace::-webkit-scrollbar {
  width: 10px;
}

.workspace::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.24);
  background-clip: padding-box;
}

.topbar {
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.search-box,
.search-input,
.topbar input[type="search"] {
  transition:
    border-color var(--motion-fast),
    background var(--motion-fast),
    box-shadow var(--motion-fast);
}

.search-box {
  grid-template-columns: 48px minmax(0, 1fr);
}

.search-box input {
  padding: 0 18px 0 0;
}

.search-box svg {
  margin: 0 auto;
}

.search-box:focus-within,
.search-input:focus-within,
.topbar input[type="search"]:focus-visible {
  border-color: rgba(30, 215, 96, 0.48);
  box-shadow: 0 0 0 1px rgba(30, 215, 96, 0.28), 0 12px 28px rgba(0, 0, 0, 0.26);
}

.icon-button {
  min-width: 36px;
  min-height: 36px;
  border-radius: 999px;
  transition:
    color var(--motion-fast),
    background var(--motion-fast),
    transform var(--motion-fast),
    box-shadow var(--motion-fast);
}

.icon-button:hover,
.icon-button:focus-visible {
  background: var(--surface-lift);
  color: #fff;
}

.icon-button:active {
  background: var(--surface-press);
}

.primary-action,
.secondary-action,
.device-mode,
.speed-button,
.quality-select,
.setting-pills button,
.switch-row {
  transition:
    color var(--motion-fast),
    border-color var(--motion-fast),
    background var(--motion-fast),
    transform var(--motion-fast),
    box-shadow var(--motion-fast);
}

.primary-action:hover,
.secondary-action:hover,
.device-mode:hover,
.setting-pills button:hover,
.switch-row:hover {
  transform: translateY(-1px);
}

.primary-action:active,
.secondary-action:active,
.device-mode:active,
.setting-pills button:active,
.switch-row:active {
  transform: translateY(1px) scale(0.99);
}

.lesson-card,
.release-card,
.settings-row,
.mood-card,
.studio-grid article,
.maintenance-board article,
.capability-card,
.feature-card,
.ops-card,
.backbone-card,
.player-lab-card,
.mobile-roadmap article,
.settings-panel {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.018);
  transition:
    border-color var(--motion-fast),
    background var(--motion-fast),
    box-shadow var(--motion-smooth),
    transform var(--motion-smooth);
}

.lesson-card:hover,
.lesson-card:focus-within,
.release-card:hover,
.settings-row:hover,
.mood-card:hover,
.studio-grid article:hover,
.maintenance-board article:hover,
.capability-card:hover,
.feature-card:hover,
.ops-card:hover,
.backbone-card:hover,
.player-lab-card:hover,
.mobile-roadmap article:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow-soft);
}

.lesson-card:active,
.release-card:active,
.settings-row:active,
.mood-card:active,
.capability-card:active,
.feature-card:active,
.ops-card:active {
  transform: translateY(0) scale(0.995);
}

.cover-art,
.release-card img,
.artist-row img,
.album-row img,
.player-track img,
.full-art-section img,
.profile-hero img {
  background: #101010;
  image-rendering: auto;
}

.cover-art,
.release-card img,
.track-row img,
.player-track img {
  transition: transform var(--motion-smooth), box-shadow var(--motion-smooth);
}

.lesson-card:hover .cover-art,
.release-card:hover img {
  transform: scale(1.018);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
}

.track-row {
  border-radius: 6px;
  transition:
    background var(--motion-fast),
    color var(--motion-fast),
    transform var(--motion-fast);
}

.track-row:hover {
  background: rgba(255, 255, 255, 0.065);
  transform: translateX(1px);
}

.track-row img {
  border-radius: 5px;
}

.settings-row {
  border-radius: 7px;
  grid-template-columns: minmax(0, 1fr) 30px;
}

.settings-row::after {
  content: "";
  width: 8px;
  height: 8px;
  justify-self: end;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  color: rgba(255, 255, 255, 0.56);
  transform: rotate(45deg);
}

.release-card {
  border-radius: 7px;
}

.player {
  border-color: rgba(255, 255, 255, 0.11);
  background:
    linear-gradient(180deg, rgba(32, 32, 32, 0.96), rgba(18, 18, 18, 0.98)),
    #181818;
  box-shadow: var(--shadow-player);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.player-track {
  grid-template-columns: 58px minmax(0, 1fr) 38px;
}

.player-track img {
  width: 58px;
  height: 58px;
  border-radius: 6px;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.34);
}

.player-track strong {
  font-size: 14px;
  line-height: 1.22;
}

.transport-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
}

.transport-buttons .icon-button {
  width: 34px;
  height: 34px;
}

.play-button {
  width: 36px;
  height: 36px;
  transition:
    transform var(--motion-fast),
    box-shadow var(--motion-fast),
    background var(--motion-fast);
}

.play-button:hover,
.play-button:focus-visible {
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.14);
}

.play-button svg {
  width: 17px;
  height: 17px;
}

input[type="range"] {
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, #fff, rgba(255, 255, 255, 0.22));
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 999px;
}

input[type="range"]::-webkit-slider-thumb {
  width: 12px;
  height: 12px;
  margin-top: -4px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(30, 215, 96, 0);
  transition: box-shadow var(--motion-fast), transform var(--motion-fast);
}

input[type="range"]:hover::-webkit-slider-thumb {
  transform: scale(1.08);
  box-shadow: 0 0 0 4px rgba(30, 215, 96, 0.2);
}

.full-player-dialog[open],
.maintenance-dialog[open],
.plan-dialog[open],
.member-dialog[open] {
  animation: tutorlyDialogIn var(--motion-spring) both;
}

.full-player-dialog::backdrop,
.maintenance-dialog::backdrop,
.plan-dialog::backdrop,
.member-dialog::backdrop {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.full-player-dialog form,
.maintenance-dialog form,
.plan-dialog form,
.member-dialog form {
  animation: tutorlyPanelRise var(--motion-spring) both;
}

.full-player-dialog,
.maintenance-dialog,
.plan-dialog,
.member-dialog {
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.full-art-section,
.lyric-card,
.full-settings,
.player-lab-card,
.settings-panel {
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.018)),
    var(--sp-panel-2);
}

.mobile-nav {
  box-shadow: 0 -16px 34px rgba(0, 0, 0, 0.56);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.mobile-nav button {
  overflow: hidden;
  font-size: 11px;
  line-height: 1.12;
}

.mobile-nav button::before {
  content: "";
  position: absolute;
  top: 7px;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--sp-green);
  opacity: 0;
  transform: translateY(-4px) scale(0.7);
  transition: opacity var(--motion-fast), transform var(--motion-fast);
}

.mobile-nav button.active::before {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.mobile-nav button:active {
  transform: scale(0.96);
}

.filter-rail {
  scrollbar-width: none;
}

.filter-rail::-webkit-scrollbar {
  display: none;
}

@media (max-width: 820px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 18px 16px 10px;
  }

  .topbar::before {
    grid-column: 1;
    grid-row: 1;
  }

  .top-actions {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    margin-left: 0;
  }

  .top-actions .primary-action,
  .top-actions .secondary-action {
    min-height: 34px;
    padding: 0 14px;
    font-size: 12px;
    white-space: nowrap;
  }

  .search-box {
    grid-column: 1 / -1;
    height: 46px;
  }

  .filter-rail {
    margin-top: 10px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
  }

  .filter-rail button {
    flex: 0 0 auto;
  }

  .player {
    grid-template-columns: minmax(0, 1fr) 58px;
    min-height: 76px;
    padding: 9px 14px;
  }

  .player-track {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 12px;
  }

  .player-track img {
    width: 54px;
    height: 54px;
  }

  .mobile-nav button {
    border-radius: 0;
  }
}

@keyframes tutorlyDialogIn {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes tutorlyPanelRise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* Tutorly v2.3 polish layer */
.app-shell {
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.98) 0%, rgba(5, 10, 8, 0.99) 52%, #000 100%);
}

.workspace {
  scroll-padding-bottom: 150px;
}

button,
.icon-button,
.primary-action,
.secondary-action,
.studio-tabs button,
.ops-card button,
.queue-row-tools button {
  transition:
    transform var(--motion-fast),
    background-color var(--motion-fast),
    border-color var(--motion-fast),
    color var(--motion-fast),
    opacity var(--motion-fast);
}

button:active,
.icon-button:active,
.primary-action:active,
.secondary-action:active {
  transform: scale(0.96);
}

.icon-button,
.track-row button,
.album-row button,
.mobile-nav button {
  display: inline-grid;
  place-items: center;
}

.icon-button svg,
.top-actions svg,
.player svg,
.mobile-nav svg,
.studio-tabs svg,
.ops-card svg,
.queue-row-tools svg {
  width: 21px;
  height: 21px;
  stroke-width: 2.45;
  flex: 0 0 auto;
}

.top-actions .icon-button,
.player .icon-button,
.queue-row-tools button {
  min-width: 38px;
  min-height: 38px;
}

.player {
  align-items: center;
  gap: 18px;
  min-height: 86px;
  padding: 12px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.player-track {
  align-items: center;
}

.player-track img {
  border-radius: 6px;
}

.player-track strong,
.player-track span {
  max-width: 100%;
}

.transport-buttons {
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.transport-buttons .primary-action,
.transport-buttons button[aria-label*="Oynat"],
.transport-buttons button[aria-label*="Duraklat"] {
  width: 46px;
  height: 46px;
  min-width: 46px;
  padding: 0;
  border-radius: 999px;
}

.progress-row input[type="range"],
.player-tools input[type="range"],
.equalizer-bands input[type="range"] {
  accent-color: var(--sp-green);
}

.full-player-dialog[open],
.maintenance-dialog[open],
.plan-dialog[open] {
  transform-origin: center bottom;
}

.full-player-dialog form {
  max-height: min(88vh, 920px);
  overflow: auto;
}

.full-player-layout {
  gap: 22px;
  align-items: start;
}

.full-art-section img {
  border-radius: 8px;
  box-shadow: 0 22px 80px rgba(0, 0, 0, 0.5);
}

.player-lab-grid,
.ops-grid,
.studio-grid,
.studio-kpi-row,
.studio-two-col,
.studio-upload-grid {
  gap: 14px;
}

.player-lab-card,
.ops-card,
.studio-grid article,
.studio-runtime article,
.studio-upload-card,
.settings-row {
  border-radius: 8px;
  border-color: rgba(255, 255, 255, 0.105);
}

.ops-card,
.player-lab-card {
  align-content: start;
}

.ops-card > strong,
.player-lab-card > strong,
.studio-grid strong {
  line-height: 1.14;
}

.ops-table,
.moderation-list,
.audit-list {
  gap: 8px;
}

.ops-table > span,
.moderation-list > span,
.audit-list > span {
  min-height: 46px;
  align-items: center;
  border-radius: 7px;
}

.studio-tabs {
  position: sticky;
  top: 0;
  z-index: 5;
  padding: 8px 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.94), rgba(0, 0, 0, 0.76));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.studio-tabs button {
  min-height: 38px;
  white-space: nowrap;
}

.studio-panel.active,
.feature-stack,
.library-list,
.search-results,
.settings-panel {
  animation: tutorlyPanelRise 180ms ease both;
}

.mobile-nav {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.mobile-nav button {
  min-height: 62px;
  gap: 4px;
}

@media (max-width: 820px) {
  .workspace {
    scroll-padding-bottom: 180px;
  }

  .player {
    left: 12px;
    right: 12px;
    bottom: 78px;
    grid-template-columns: minmax(0, 1fr) 52px;
    gap: 12px;
    min-height: 78px;
    padding: 10px 12px;
    border-radius: 8px;
  }

  .player-track {
    grid-template-columns: 54px minmax(0, 1fr);
  }

  .transport-buttons .primary-action,
  .transport-buttons button[aria-label*="Oynat"],
  .transport-buttons button[aria-label*="Duraklat"] {
    width: 52px;
    height: 52px;
    min-width: 52px;
  }

  .full-player-dialog,
  .maintenance-dialog,
  .plan-dialog {
    width: 100vw;
    max-width: 100vw;
    margin: auto 0 0;
    border-radius: 18px 18px 0 0;
  }

  .studio-tabs {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .studio-tabs::-webkit-scrollbar {
    display: none;
  }
}

/* Tutorly v2.4 content and player polish */
.polished-empty {
  min-height: 132px;
  align-content: center;
  justify-items: start;
  gap: 10px;
  padding: 18px;
  background:
    linear-gradient(135deg, rgba(30, 215, 96, 0.12), transparent 58%),
    rgba(255, 255, 255, 0.035);
}

.polished-empty strong {
  color: #fff;
  font-size: 20px;
}

.queue-row-pro {
  grid-template-columns: 30px 46px minmax(0, 1fr) minmax(76px, 104px) auto 24px;
  gap: 12px;
  min-height: 66px;
  padding-block: 7px;
}

.queue-context {
  display: block;
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.54);
  font-size: 12px;
  font-weight: 800;
}

.queue-signal {
  display: grid;
  gap: 5px;
  align-items: center;
  min-width: 76px;
}

.queue-signal b,
.lyric-preview-meter {
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.queue-signal b::before,
.lyric-preview-meter span {
  content: "";
  display: block;
  width: var(--signal, var(--lyric-progress, 0%));
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--sp-green), #a6ffcb);
}

.queue-signal em {
  color: rgba(255, 255, 255, 0.62);
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
  text-align: right;
}

.queue-row-tools {
  gap: 5px;
}

.queue-row-tools button {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 999px;
}

.queue-row-tools svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2.35;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#lyricLines {
  gap: 8px;
}

#lyricLines p {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 22px;
  background: rgba(255, 255, 255, 0.025);
}

#lyricLines p::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  width: var(--lyric-progress, 0%);
  background: var(--sp-green);
  opacity: 0.85;
}

#lyricLines p span {
  color: rgba(255, 255, 255, 0.42);
  font-size: 12px;
  font-weight: 900;
}

#lyricLines p b {
  min-width: 0;
  font: inherit;
}

.lyric-preview-meter {
  width: 100%;
  margin-top: 2px;
}

.player-quality-strip,
.ops-mini-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.player-quality-strip span,
.ops-mini-metrics em {
  min-width: 0;
  border-radius: 8px;
  padding: 9px 10px;
  background: rgba(255, 255, 255, 0.055);
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
  text-align: center;
}

.ops-mini-metrics {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: auto;
}

.ops-mini-metrics em {
  display: grid;
  gap: 3px;
  text-align: left;
}

.ops-mini-metrics b {
  color: #fff;
  font-size: 12px;
}

.ops-mini-metrics small {
  color: rgba(255, 255, 255, 0.55);
  font-size: 11px;
  font-weight: 850;
}

.studio-grid article {
  display: grid;
  align-content: start;
  gap: 10px;
}

.full-player-dialog[open],
.maintenance-dialog[open],
.plan-dialog[open],
.member-dialog[open] {
  animation: tutorlySheetIn 210ms cubic-bezier(0.2, 0.9, 0.2, 1) both;
}

@keyframes tutorlySheetIn {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 820px) {
  .queue-row-pro {
    grid-template-columns: 24px 42px minmax(0, 1fr) auto;
  }

  .queue-signal,
  .queue-drag {
    display: none;
  }

  .queue-row-tools {
    grid-column: 2 / -1;
    justify-self: start;
    margin-top: -2px;
  }

  #lyricLines p {
    grid-template-columns: 40px minmax(0, 1fr);
    font-size: 20px;
  }

  .player-quality-strip,
  .ops-mini-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}