:root {
  --bg: #ecf2f8;
  --bg-top: #f5f8fc;
  --bg-bottom: #e8eef6;
  --bg-radial: rgba(255, 255, 255, 0.95);
  --sidebar: linear-gradient(180deg, #e7edf5 0%, #edf3f9 100%);
  --ink: #16212d;
  --muted: #5e6c7e;
  --line: rgba(100, 126, 156, 0.18);
  --accent: #41679f;
  --accent-strong: #2f538a;
  --shadow: 0 24px 60px rgba(46, 73, 110, 0.12);
  --sidebar-border: rgba(85, 112, 143, 0.08);
  --surface-chip: rgba(255, 255, 255, 0.56);
  --surface-empty: rgba(255, 255, 255, 0.52);
  --surface-card: rgba(255, 255, 255, 0.68);
  --surface-card-active-start: rgba(255, 255, 255, 0.9);
  --surface-card-active-end: rgba(228, 237, 248, 0.92);
  --surface-soft: rgba(65, 103, 159, 0.08);
  --surface-soft-strong: rgba(65, 103, 159, 0.14);
  --surface-field: rgba(255, 255, 255, 0.92);
  --surface-search: rgba(255, 255, 255, 0.52);
  --surface-hero-pill: rgba(255, 255, 255, 0.65);
  --surface-hero-pill-border: rgba(107, 133, 168, 0.16);
  --surface-source: rgba(255, 255, 255, 0.78);
  --surface-source-border: rgba(65, 103, 159, 0.16);
  --surface-panel-start: rgba(238, 244, 251, 0.96);
  --surface-panel-end: rgba(229, 237, 246, 0.88);
  --surface-pill: rgba(255, 255, 255, 0.8);
  --surface-dictation: rgba(255, 255, 255, 0.96);
  --surface-transcript: rgba(255, 255, 255, 0.74);
  --surface-script-editor: rgba(255, 255, 255, 0.7);
  --surface-modal: rgba(248, 251, 255, 0.96);
  --surface-player: rgba(255, 255, 255, 0.88);
  --overlay-scrim: rgba(20, 31, 45, 0.36);
  --overlay-transcript-start: rgba(233, 240, 248, 0.55);
  --overlay-transcript-end: rgba(226, 235, 246, 0.88);
  --text-on-accent: #f8fbff;
  --search-text: #7b8a9b;
  --hero-dot: #91a4bf;
  --transcript-text: #344150;
  --overlay-text: #28476f;
  --danger-text: #7f2134;
  --danger-bg: rgba(173, 52, 80, 0.08);
  --warning-text: #7a5314;
  --warning-bg: rgba(183, 129, 31, 0.14);
  --success-text: #274f82;
  --success-bg: rgba(65, 103, 159, 0.12);
  --avatar-gradient: linear-gradient(135deg, #264773 0%, #5e88c9 100%);
  --button-gradient: linear-gradient(135deg, #5b7eb1 0%, #41679f 100%);
  --radius-lg: 32px;
}

:root[data-theme="dark"] {
  --bg: #0d131b;
  --bg-top: #121a25;
  --bg-bottom: #0b1118;
  --bg-radial: rgba(108, 146, 204, 0.14);
  --sidebar: linear-gradient(180deg, #111a27 0%, #0e1621 100%);
  --ink: #e7eef8;
  --muted: #9dadc2;
  --line: rgba(139, 166, 198, 0.18);
  --accent: #5f89c7;
  --accent-strong: #9fc0f5;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
  --sidebar-border: rgba(139, 166, 198, 0.14);
  --surface-chip: rgba(19, 29, 43, 0.84);
  --surface-empty: rgba(19, 29, 43, 0.72);
  --surface-card: rgba(18, 28, 40, 0.78);
  --surface-card-active-start: rgba(27, 39, 56, 0.95);
  --surface-card-active-end: rgba(20, 31, 45, 0.95);
  --surface-soft: rgba(95, 137, 199, 0.16);
  --surface-soft-strong: rgba(95, 137, 199, 0.24);
  --surface-field: rgba(11, 18, 27, 0.92);
  --surface-search: rgba(18, 28, 40, 0.8);
  --surface-hero-pill: rgba(18, 28, 40, 0.82);
  --surface-hero-pill-border: rgba(159, 192, 245, 0.2);
  --surface-source: rgba(18, 28, 40, 0.82);
  --surface-source-border: rgba(159, 192, 245, 0.22);
  --surface-panel-start: rgba(17, 27, 40, 0.96);
  --surface-panel-end: rgba(11, 18, 27, 0.96);
  --surface-pill: rgba(18, 28, 40, 0.82);
  --surface-dictation: rgba(8, 13, 20, 0.96);
  --surface-transcript: rgba(13, 21, 31, 0.86);
  --surface-script-editor: rgba(16, 25, 36, 0.88);
  --surface-modal: rgba(15, 23, 35, 0.97);
  --surface-player: rgba(10, 17, 26, 0.92);
  --overlay-scrim: rgba(2, 6, 10, 0.6);
  --overlay-transcript-start: rgba(16, 24, 35, 0.56);
  --overlay-transcript-end: rgba(8, 14, 22, 0.94);
  --text-on-accent: #f5f9ff;
  --search-text: #8fa5c3;
  --hero-dot: #7da6e2;
  --transcript-text: #dce7f8;
  --overlay-text: #bdd2f2;
  --danger-text: #ffabc0;
  --danger-bg: rgba(255, 110, 146, 0.12);
  --warning-text: #ffd58c;
  --warning-bg: rgba(214, 162, 66, 0.18);
  --success-text: #c5dcff;
  --success-bg: rgba(95, 137, 199, 0.2);
  --avatar-gradient: linear-gradient(135deg, #2d4b74 0%, #6f96d3 100%);
  --button-gradient: linear-gradient(135deg, #4d72aa 0%, #315583 100%);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 15px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Pretendard", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, var(--bg-radial), transparent 28%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg) 55%, var(--bg-bottom) 100%);
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  background: none;
  color: inherit;
}

[hidden] {
  display: none !important;
}

.mobile-only {
  display: none !important;
}

.auth-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 28px;
}

.auth-card {
  width: min(100%, 520px);
  padding: 32px;
  border-radius: 34px;
  background: linear-gradient(180deg, var(--surface-panel-start) 0%, var(--surface-panel-end) 100%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.app-shell {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  min-height: 100vh;
  padding-bottom: 180px;
}

.mobile-drawer-scrim {
  position: fixed;
  inset: 0;
  z-index: 25;
  background: rgba(4, 8, 14, 0.52);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 42px 30px 32px;
  background: var(--sidebar);
  border-right: 1px solid var(--sidebar-border);
}

.brand-block h1,
.hero h2,
.panel-header h3,
.player-summary strong,
.session-modal h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

.brand-block h1 {
  font-size: 1.7rem;
  line-height: 1.1;
}

.eyebrow,
.section-label,
.hero-pill,
.status-chip,
.section-badge {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.eyebrow,
.section-label,
.hero-pill {
  font-size: 0.68rem;
  font-weight: 700;
}

.panel-note,
#player-subtitle,
.session-item__meta small,
#new-session-hint,
.time-row,
.empty-session-list {
  color: var(--muted);
}

.panel-note,
.empty-session-list {
  line-height: 1.7;
}

.upload-card,
.session-item,
.field-group input,
.field-group textarea,
.field-group input[type="file"],
.dictation-panel,
.transcript-panel,
.player-bar,
.search-shell,
.avatar-shell,
.status-chip,
.session-modal {
  border: 1px solid var(--line);
}

.upload-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: 20px;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 14px 32px rgba(47, 83, 138, 0.26);
  color: var(--text-on-accent);
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.upload-card:hover,
.session-item:hover,
.control-btn:hover,
.play-btn:hover,
.primary-btn:hover,
.ghost-btn:hover,
.icon-btn:hover {
  transform: translateY(-1px);
}

.upload-card:hover {
  box-shadow: 0 18px 34px rgba(47, 83, 138, 0.32);
}

.auth-copy {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 24px;
}

.auth-actions {
  display: flex;
  gap: 12px;
}

.upload-card__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.16);
}

.upload-card svg,
.session-item svg,
.player-art svg {
  width: 22px;
  height: 22px;
}

.upload-card__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-drawer-head {
  display: contents;
}

.mobile-drawer-account {
  margin-top: auto;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-badge,
.status-chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface-chip);
  font-size: 0.66rem;
  font-weight: 700;
}

.session-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 4px;
}

.empty-session-list {
  padding: 18px;
  border-radius: 20px;
  background: var(--surface-empty);
  border: 1px dashed rgba(100, 126, 156, 0.3);
}

.session-item-shell {
  position: relative;
}

.session-item {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 14px 54px 14px 16px;
  border-radius: 20px;
  background: var(--surface-card);
  text-align: left;
  box-shadow: 0 14px 28px rgba(47, 73, 110, 0.08);
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.session-item.active {
  border-color: rgba(65, 103, 159, 0.28);
  background: linear-gradient(180deg, var(--surface-card-active-start) 0%, var(--surface-card-active-end) 100%);
}

.kebab-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--accent-strong);
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease;
}

.kebab-btn svg {
  width: 16px;
  height: 16px;
}

.kebab-btn:hover {
  transform: translateY(-1px);
  background: var(--surface-soft-strong);
}

.kebab-menu {
  position: absolute;
  top: 52px;
  right: 0;
  z-index: 5;
  min-width: 160px;
  padding: 8px;
  border-radius: 16px;
  background: var(--surface-modal);
  border: 1px solid rgba(100, 126, 156, 0.16);
  box-shadow: 0 18px 34px rgba(46, 73, 110, 0.14);
}

.kebab-menu__item {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 12px;
  color: var(--danger-text);
  font-weight: 700;
  cursor: pointer;
}

.kebab-menu__item:hover {
  background: var(--danger-bg);
}

.session-item__icon,
.player-art {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--surface-soft);
  color: var(--accent-strong);
  flex-shrink: 0;
}

.session-item__meta {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.session-item__meta strong,
#player-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field-group--grow {
  flex: 1;
}

.script-fetch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.script-fetch-status {
  margin: 0;
  flex: 1 1 280px;
  padding: 10px 14px;
  border-radius: 16px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.script-fetch-status[data-tone="loading"] {
  color: var(--accent-strong);
}

.script-fetch-status[data-tone="success"] {
  background: var(--success-bg);
  color: var(--success-text);
}

.script-fetch-status[data-tone="warning"] {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.script-fetch-status[data-tone="error"] {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.field-label {
  font-size: 0.88rem;
  font-weight: 700;
}

.field-group input,
.field-group textarea,
.dictation-input {
  width: 100%;
  border-radius: 20px;
  padding: 14px 16px;
  background: var(--surface-field);
  color: var(--ink);
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease, opacity 140ms ease;
}

.field-group input[type="file"] {
  padding: 14px 16px;
}

.field-group input:focus,
.field-group textarea:focus,
.dictation-input:focus {
  border-color: rgba(65, 103, 159, 0.34);
  box-shadow: 0 0 0 4px rgba(65, 103, 159, 0.1);
}

.field-group textarea,
.dictation-input {
  resize: vertical;
  line-height: 1.7;
}

.field-group textarea {
  min-height: 200px;
}

input:disabled,
textarea:disabled,
button:disabled {
  opacity: 0.58;
  cursor: not-allowed;
}

.content {
  padding: 34px 48px 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topbar-primary {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-tools {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.mobile-action-bar {
  display: none;
}

.search-shell {
  min-width: 280px;
  padding: 14px 18px;
  border-radius: 18px;
  background: var(--surface-search);
  color: var(--search-text);
}

.theme-toggle {
  min-height: 46px;
  padding: 0 16px;
  border-radius: 16px;
  background: var(--surface-search);
  border: 1px solid var(--line);
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  background: var(--surface-chip);
}

.inline-status,
.form-status,
.user-chip {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 14px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid rgba(100, 126, 156, 0.14);
  font-size: 0.84rem;
  line-height: 1.5;
}

.inline-status,
.form-status {
  margin: 0;
  color: var(--muted);
}

.inline-status[data-tone="success"],
.form-status[data-tone="success"] {
  background: var(--success-bg);
  color: var(--success-text);
}

.inline-status[data-tone="warning"],
.form-status[data-tone="warning"] {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.inline-status[data-tone="error"],
.form-status[data-tone="error"] {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.user-chip {
  color: var(--accent-strong);
  font-weight: 800;
}

.avatar-shell {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: var(--avatar-gradient);
  color: var(--text-on-accent);
  font-weight: 800;
  box-shadow: 0 16px 28px rgba(47, 83, 138, 0.22);
}

.hero {
  padding: 30px 2px 24px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--surface-hero-pill);
  border: 1px solid var(--surface-hero-pill-border);
}

.hero-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--hero-dot);
}

.hero h2 {
  margin-top: 14px;
  font-size: clamp(1.7rem, 2.8vw, 2.8rem);
  line-height: 1.08;
}

.hero-actions {
  margin-top: 10px;
}

.source-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--surface-source);
  border: 1px solid var(--surface-source-border);
  color: var(--accent-strong);
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 12px 26px rgba(46, 73, 110, 0.08);
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.source-link::after {
  content: "↗";
  font-size: 0.95rem;
}

.source-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px rgba(46, 73, 110, 0.12);
}

.dictation-panel,
.transcript-panel {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface-panel-start) 0%, var(--surface-panel-end) 100%);
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.panel-header h3 {
  margin-top: 4px;
  font-size: clamp(1.2rem, 1.6vw, 1.5rem);
}

.metric-pill,
.toggle-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--surface-pill);
  color: var(--accent-strong);
  font-weight: 800;
  box-shadow: 0 12px 26px rgba(46, 73, 110, 0.08);
}

.toggle-pill {
  cursor: pointer;
}

.dictation-input {
  min-height: 300px;
  margin-top: 18px;
  border-radius: 26px;
  padding: 22px;
  font-size: 1rem;
  background: var(--surface-dictation);
}

.transcript-panel {
  margin-top: 20px;
}

.panel-header--compact {
  align-items: center;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.transcript-body {
  position: relative;
  margin-top: 18px;
  min-height: 150px;
  padding: 20px;
  border-radius: 26px;
  background: var(--surface-transcript);
  border: 1px solid rgba(100, 126, 156, 0.12);
  overflow: hidden;
}

.transcript-preview {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--transcript-text);
  white-space: pre-wrap;
  transition: filter 180ms ease, opacity 180ms ease;
}

.transcript-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(180deg, var(--overlay-transcript-start) 0%, var(--overlay-transcript-end) 100%);
  color: var(--overlay-text);
  font-weight: 800;
  letter-spacing: 0.02em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  text-align: center;
}

.transcript-panel[data-hidden="true"] .transcript-preview {
  filter: blur(12px);
  opacity: 0.85;
  user-select: none;
}

.transcript-panel[data-hidden="true"] .transcript-overlay {
  opacity: 1;
}

.secondary-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--accent-strong);
  font-weight: 800;
  cursor: pointer;
}

.script-editor {
  margin-top: 14px;
  padding: 16px;
  border-radius: 24px;
  background: var(--surface-script-editor);
  border: 1px solid rgba(100, 126, 156, 0.14);
}

.script-editor textarea {
  min-height: 160px;
}

.script-editor-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 16px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--overlay-scrim);
  backdrop-filter: blur(8px);
  z-index: 40;
}

.session-modal {
  width: min(100%, 640px);
  padding: 24px;
  border-radius: 30px;
  background: var(--surface-modal);
  box-shadow: 0 26px 60px rgba(24, 41, 63, 0.24);
}

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

.session-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 22px;
}

.session-form textarea {
  min-height: 180px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.primary-btn,
.ghost-btn,
.icon-btn {
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease;
}

.primary-btn,
.ghost-btn {
  min-height: 46px;
  padding: 0 16px;
  border-radius: 16px;
  font-weight: 800;
}

.primary-btn {
  background: var(--button-gradient);
  color: var(--text-on-accent);
  box-shadow: 0 18px 32px rgba(65, 103, 159, 0.22);
}

.ghost-btn {
  background: var(--surface-soft);
  color: var(--accent-strong);
}

.script-fetch-retry {
  min-height: 40px;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: var(--surface-soft);
  color: var(--accent-strong);
  font-size: 1.3rem;
  line-height: 1;
}

.player-bar {
  position: fixed;
  left: 28px;
  right: 28px;
  bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 16px 20px;
  border-radius: 30px;
  background: var(--surface-player);
  backdrop-filter: blur(20px);
  box-shadow: 0 26px 60px rgba(34, 53, 80, 0.14);
}

.player-summary {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 260px;
}

.player-summary strong {
  display: block;
  font-size: 1rem;
}

.player-summary small {
  display: block;
  margin-top: 6px;
}

.player-center {
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.control-btn,
.play-btn {
  min-width: 64px;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 18px;
  font-weight: 800;
  transition: transform 140ms ease, background 140ms ease;
}

.control-btn {
  background: var(--surface-soft);
  color: var(--accent-strong);
}

.control-btn.is-active {
  background: var(--button-gradient);
  color: var(--text-on-accent);
  box-shadow: 0 14px 26px rgba(65, 103, 159, 0.18);
}

.play-btn {
  min-width: 88px;
  background: var(--button-gradient);
  color: var(--text-on-accent);
  box-shadow: 0 18px 32px rgba(65, 103, 159, 0.24);
}

.progress-cluster {
  width: 100%;
}

#progress-slider {
  width: 100%;
  margin: 0;
  accent-color: var(--accent);
}

.time-row {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 0.82rem;
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--sidebar-border);
  }

  .content {
    padding: 28px 24px 24px;
  }

  .player-bar {
    left: 18px;
    right: 18px;
    bottom: 18px;
    flex-direction: column;
    align-items: stretch;
  }

  .player-center {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 720px) {
  .mobile-only {
    display: inline-flex !important;
  }

  .mobile-action-bar.mobile-only {
    display: grid !important;
  }

  .mobile-drawer-account.mobile-only {
    display: flex !important;
  }

  #workspace-shell[data-drawer-open="true"] .mobile-drawer-scrim {
    opacity: 1;
    pointer-events: auto;
  }

  .app-shell {
    display: block;
    padding-bottom: calc(248px + env(safe-area-inset-bottom));
  }

  .sidebar,
  .content {
    padding-left: 18px;
    padding-right: 18px;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 30;
    width: min(92vw, 360px);
    padding-top: calc(20px + env(safe-area-inset-top));
    padding-bottom: calc(22px + env(safe-area-inset-bottom));
    border-right: 1px solid var(--sidebar-border);
    border-bottom: 0;
    transform: translateX(-104%);
    transition: transform 220ms ease;
    overflow-y: auto;
    box-shadow: 0 24px 60px rgba(4, 10, 18, 0.28);
  }

  #workspace-shell[data-drawer-open="true"] .sidebar {
    transform: translateX(0);
  }

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

  .mobile-drawer-account {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 6px;
  }

  .topbar,
  .panel-header,
  .panel-header--compact,
  .hero-meta,
  .modal-head,
  .modal-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar {
    gap: 14px;
  }

  .topbar-primary {
    width: 100%;
    justify-content: space-between;
  }

  .status-chip {
    display: none;
  }

  .mobile-action-bar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
  }

  .mobile-action-bar .ghost-btn,
  .mobile-action-bar .primary-btn {
    width: 100%;
    justify-content: center;
  }

  .topbar-tools {
    width: 100%;
    gap: 10px;
  }

  .topbar-tools #user-email,
  .topbar-tools #logout-btn,
  .topbar-tools #theme-toggle {
    display: none;
  }

  .topbar-tools #import-status,
  .topbar-tools #import-local-btn {
    width: 100%;
  }

  .content {
    padding-top: calc(18px + env(safe-area-inset-top));
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
  }

  .auth-shell {
    padding: 18px;
  }

  .auth-card {
    padding: 24px;
  }

  .auth-actions {
    width: 100%;
    flex-direction: column;
  }

  .hero {
    padding: 8px 0 18px;
  }

  .hero-meta {
    gap: 10px;
    flex-wrap: wrap;
  }

  .hero-pill,
  .hero-dot {
    display: none;
  }

  .hero h2 {
    margin-top: 10px;
    font-size: 1.5rem;
    line-height: 1.15;
  }

  .source-link {
    width: 100%;
    justify-content: center;
  }

  .dictation-panel,
  .transcript-panel {
    padding: 18px;
    border-radius: 28px;
  }

  .dictation-input {
    min-height: clamp(260px, 42vh, 420px);
    padding: 18px;
    margin-top: 14px;
  }

  .panel-actions {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .panel-actions .toggle-pill,
  .panel-actions .secondary-pill,
  .panel-actions .ghost-btn {
    width: 100%;
    justify-content: center;
  }

  .transcript-panel {
    position: relative;
    margin-top: 14px;
    overflow: hidden;
  }

  .transcript-panel[data-mobile-collapsed="true"] .script-editor,
  .transcript-panel[data-mobile-collapsed="true"] .transcript-body {
    display: none;
  }

  .transcript-panel[data-hidden="true"] .transcript-preview {
    filter: blur(8px);
  }

  .transcript-body {
    max-height: min(42vh, 360px);
    overflow: auto;
    margin-top: 14px;
  }

  .script-editor {
    margin-top: 12px;
  }

  .script-editor textarea {
    min-height: 140px;
  }

  .player-controls {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
  }

  .control-btn,
  .play-btn {
    min-width: 0;
    min-height: 42px;
    padding: 0 10px;
    border-radius: 16px;
  }

  .player-bar {
    left: 12px;
    right: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
    gap: 16px;
    padding: 14px 14px calc(14px + env(safe-area-inset-bottom));
    border-radius: 26px;
  }

  .player-summary {
    min-width: 0;
    width: 100%;
  }

  .player-center {
    gap: 14px;
  }

  .session-modal {
    width: 100%;
    height: 100dvh;
    max-height: 100dvh;
    padding: calc(18px + env(safe-area-inset-top)) 18px calc(18px + env(safe-area-inset-bottom));
    border-radius: 0;
    overflow: auto;
  }

  .session-form {
    min-height: calc(100dvh - 110px);
  }

  .modal-actions {
    position: sticky;
    bottom: 0;
    width: 100%;
    padding-top: 12px;
    margin-top: auto;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0), var(--surface-modal) 28%);
  }

  .modal-actions .ghost-btn,
  .modal-actions .primary-btn {
    width: 100%;
  }

  .script-fetch-row {
    flex-direction: column;
    align-items: stretch;
  }

  .script-fetch-status,
  .script-fetch-retry {
    width: 100%;
  }
}