:root {
  --bg: #f5efe6;
  --bg-soft: #fcf8f2;
  --panel: rgba(255, 252, 247, 0.96);
  --panel-strong: #fffdf9;
  --text: #231f1a;
  --muted: #716556;
  --line: rgba(69, 54, 35, 0.12);
  --brand: #cb5f2d;
  --brand-dark: #943f18;
  --brand-soft: rgba(203, 95, 45, 0.12);
  --teal: #1f7566;
  --teal-soft: rgba(31, 117, 102, 0.12);
  --yellow: #bb8a1b;
  --red: #bf5148;
  --shadow: 0 20px 48px rgba(46, 33, 18, 0.1);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(203, 95, 45, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(31, 117, 102, 0.12), transparent 24%),
    linear-gradient(180deg, #fffaf4 0%, var(--bg) 100%);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

body.is-holding-record,
body.is-holding-record * {
  user-select: none;
  -webkit-user-select: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
  border-radius: 18px;
  padding: 14px 18px;
  cursor: pointer;
  transition: transform 0.18s ease, opacity 0.18s ease, background 0.18s ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

input,
textarea,
select {
  width: 100%;
  padding: 14px 15px;
  border-radius: 18px;
  border: 1px solid rgba(69, 54, 35, 0.12);
  background: #fff;
  color: var(--text);
}

textarea {
  resize: vertical;
}

.app-shell {
  width: min(100vw - 18px, 100%);
  margin: 0 auto;
  padding: 12px 0 28px;
}

.topbar,
.overview-band,
.panel,
.album-card,
.album-focus-card,
.stat-card,
.recorder-box,
.sample-card,
.modal-dialog {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.topbar {
  display: grid;
  gap: 16px;
  padding: 18px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(203, 95, 45, 0.16), transparent 32%),
    linear-gradient(145deg, #fffdf8, #f7efe4);
}

.topbar-kicker,
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-dark);
}

.topbar h1,
.overview-copy h2,
.workspace-title h2,
.panel-head h3,
.modal-head h3,
.album-card h4,
.album-focus-card h3 {
  margin: 0;
}

.topbar h1 {
  margin-top: 8px;
  font-size: clamp(28px, 8vw, 42px);
  line-height: 1.05;
}

.topbar-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}

.topbar-meta {
  min-width: 120px;
  padding: 14px 16px;
  border-radius: 22px;
  background: linear-gradient(135deg, #16373d, #1f7566);
  color: #fff;
}

.topbar-meta span {
  display: block;
  font-size: 12px;
  opacity: 0.78;
}

.topbar-meta strong {
  display: block;
  margin-top: 8px;
  font-size: 28px;
  line-height: 1;
}

.view {
  margin-top: 14px;
}

.overview-band {
  display: grid;
  gap: 16px;
  padding: 18px;
  border-radius: 28px;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.96), rgba(246, 237, 224, 0.96)),
    var(--panel);
}

.overview-copy h2 {
  margin-top: 10px;
  font-size: clamp(24px, 6vw, 34px);
  line-height: 1.18;
}

.overview-copy p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

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

.stat-card {
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, #fffefb, #f8f1e7);
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(24px, 6vw, 34px);
}

.albums-layout,
.workspace-grid {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

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

.panel-head,
.workspace-header,
.workspace-actions,
.recorder-actions,
.form-footer,
.recorder-head,
.modal-head,
.library-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-head,
.modal-head {
  margin-bottom: 16px;
}

.panel-head h3,
.modal-head h3 {
  margin-top: 8px;
  font-size: 22px;
}

.stack-form,
.recording-form {
  display: grid;
  gap: 14px;
}

.stack-form label,
.form-grid label {
  display: grid;
  gap: 8px;
}

.stack-form span,
.form-grid span {
  font-size: 13px;
  color: var(--muted);
}

.inline-grid,
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.album-grid,
.sample-list {
  display: grid;
  gap: 14px;
}

.album-card {
  position: relative;
  overflow: hidden;
  padding: 18px;
  border-radius: 26px;
  background:
    radial-gradient(circle at top right, rgba(31, 117, 102, 0.14), transparent 32%),
    linear-gradient(180deg, #fffdfa, #f6eee2);
}

.album-card::after {
  content: "";
  position: absolute;
  right: -36px;
  bottom: -56px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(203, 95, 45, 0.08);
}

.album-card-head,
.album-meta-row,
.focus-meta,
.focus-stats,
.sample-card-meta,
.sample-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.album-card h4 {
  margin-top: 14px;
  font-size: 22px;
}

.album-description,
.album-subcopy,
.helper-note,
.recorder-help,
.form-footer p,
.empty-state,
.sample-card p {
  color: var(--muted);
  line-height: 1.65;
}

.chip,
.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--brand-soft);
  color: var(--brand-dark);
}

.status-pill.collecting {
  background: var(--teal-soft);
  color: var(--teal);
}

.status-pill.paused {
  background: rgba(187, 138, 27, 0.14);
  color: var(--yellow);
}

.status-pill.completed {
  background: rgba(203, 95, 45, 0.14);
  color: var(--brand-dark);
}

.album-open-btn {
  width: 100%;
  margin-top: 18px;
}

.primary-btn {
  background: linear-gradient(135deg, var(--brand), #e07a43);
  color: #fff;
}

.ghost-btn {
  background: rgba(203, 95, 45, 0.08);
  color: var(--brand-dark);
}

.warning-btn {
  background: rgba(187, 138, 27, 0.14);
  color: var(--yellow);
}

.danger-btn {
  background: rgba(191, 81, 72, 0.12);
  color: var(--red);
}

.workspace-header {
  margin-top: 14px;
  align-items: stretch;
  flex-direction: column;
}

.workspace-title h2 {
  margin-top: 8px;
  font-size: clamp(26px, 7vw, 40px);
  line-height: 1.08;
}

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

.album-focus-card {
  padding: 20px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.18), transparent 30%),
    linear-gradient(145deg, #22384b, #cb5f2d);
  color: #fff;
}

.album-focus-card.is-empty {
  display: grid;
  place-items: center;
  min-height: 160px;
}

.album-focus-card.is-empty .empty-state {
  color: rgba(255, 255, 255, 0.82);
}

.focus-meta .chip,
.album-focus-card .status-pill {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.album-focus-card p {
  color: rgba(255, 255, 255, 0.82);
}

.focus-stats {
  margin-top: 18px;
}

.focus-stat {
  min-width: 132px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.14);
}

.focus-stat span {
  display: block;
  font-size: 12px;
  opacity: 0.82;
}

.focus-stat strong {
  display: block;
  margin-top: 8px;
  font-size: 24px;
}

.wide-field {
  grid-column: auto;
}

.recorder-panel {
  position: relative;
}

.recorder-box {
  padding: 18px;
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(203, 95, 45, 0.14), transparent 30%),
    linear-gradient(180deg, #fff9ef, #f4eadb);
}

.recorder-head {
  align-items: flex-end;
}

.recorder-head strong {
  display: block;
  margin-top: 8px;
  font-size: 22px;
}

.timer-display {
  font-size: 32px;
  font-weight: 800;
  color: var(--brand-dark);
}

.recorder-actions {
  display: grid;
  grid-template-columns: 1fr;
  justify-items: stretch;
  gap: 12px;
}

.file-picker {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  padding: 14px 18px;
  background: rgba(31, 117, 102, 0.1);
  color: var(--teal);
  text-align: center;
}

.file-picker input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.hold-record-btn {
  display: none;
  width: 132px;
  height: 132px;
  margin: 4px auto;
  border: none;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 30%, #f7a46b, #cb5f2d 68%, #9f421c 100%);
  color: #fff8f2;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow:
    0 18px 34px rgba(203, 95, 45, 0.28),
    inset 0 3px 12px rgba(255, 255, 255, 0.22);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

.hold-record-btn span {
  display: block;
  width: 72px;
  margin: 0 auto;
  line-height: 1.35;
  text-align: center;
}

.hold-record-btn.is-recording {
  transform: scale(0.98);
  background:
    radial-gradient(circle at 30% 30%, #f28f8f, #d45151 68%, #983333 100%);
  box-shadow:
    0 22px 40px rgba(192, 63, 63, 0.28),
    0 0 0 12px rgba(212, 81, 81, 0.12);
}

.hold-record-btn:disabled {
  opacity: 0.55;
  box-shadow: none;
}

body.record-ui-mobile #startRecordBtn,
body.record-ui-mobile #stopRecordBtn {
  display: none;
}

body.record-ui-mobile .hold-record-btn {
  display: inline-grid;
  place-items: center;
}

body.record-ui-mobile .recorder-actions {
  justify-items: center;
}

body.record-ui-mobile .file-picker {
  width: 100%;
}

body.record-ui-desktop .hold-record-btn {
  display: none;
}

.helper-note,
.recorder-help {
  margin: 10px 0 0;
}

.recorder-help.is-error {
  color: var(--red);
}

.form-footer {
  align-items: stretch;
  flex-direction: column;
}

.form-footer .primary-btn {
  width: 100%;
}

.segment-editor {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid rgba(69, 54, 35, 0.12);
  border-radius: 26px;
  background:
    radial-gradient(circle at top right, rgba(31, 117, 102, 0.08), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 240, 230, 0.92));
}

.segment-editor-head {
  display: grid;
  gap: 6px;
}

.segment-editor-head-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.segment-editor-head h4,
.segment-editor-head p {
  margin: 0;
}

.segment-overview {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
}

.segment-editor-head p,
.segment-card-meta,
.segment-card-hint {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.segment-list {
  display: grid;
  gap: 14px;
}

.segment-card {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid rgba(69, 54, 35, 0.1);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(249, 244, 236, 0.98));
  box-shadow: 0 10px 24px rgba(53, 39, 23, 0.06);
}

.segment-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.segment-card-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.segment-index-badge {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(203, 95, 45, 0.12);
  color: var(--brand-dark);
  font-weight: 800;
}

.segment-card-head h5 {
  margin: 0;
  font-size: 16px;
}

.segment-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.segment-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.segment-btn {
  min-height: 40px;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}

.segment-btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.segment-btn-primary {
  background: linear-gradient(135deg, var(--brand), #de7942);
  color: #fff;
}

.segment-btn-secondary {
  background: rgba(203, 95, 45, 0.08);
  color: var(--brand-dark);
}

.segment-save-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(69, 54, 35, 0.08);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.segment-save-chip.is-saved {
  background: rgba(31, 117, 102, 0.12);
  color: var(--teal);
}

.segment-save-chip.is-saving {
  background: rgba(187, 138, 27, 0.12);
  color: var(--yellow);
}

.segment-save-chip.is-error {
  background: rgba(191, 81, 72, 0.12);
  color: var(--red);
}

.segment-audio-wrap {
  display: grid;
  gap: 8px;
}

.segment-panel {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(69, 54, 35, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
}

.segment-subhead {
  display: grid;
  gap: 4px;
}

.segment-subhead strong {
  font-size: 14px;
  color: var(--text);
}

.segment-audio-wrap audio {
  width: 100%;
}

.segment-boundary {
  display: grid;
  gap: 8px;
}

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

.segment-boundary label {
  display: grid;
  gap: 6px;
}

.segment-end-slider {
  padding: 0;
  accent-color: var(--brand);
}

.segment-end-input,
.segment-transcript-input {
  background: rgba(255, 255, 255, 0.96);
}

.segment-slider-scale {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
}

.segment-slider-scale strong {
  color: var(--brand-dark);
  font-size: 13px;
}

.segment-card-error {
  color: var(--red);
}

.sample-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 24px;
  background: linear-gradient(180deg, #fffefb, #f7f0e6);
}

.sample-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.sample-index {
  width: 32px;
  height: 32px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(31, 117, 102, 0.12);
  color: var(--teal);
  font-weight: 700;
}

.sample-text {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
}

.sample-edit-textarea {
  min-height: 96px;
  font-size: 15px;
  line-height: 1.7;
}

.sample-card-meta {
  color: var(--muted);
  font-size: 13px;
}

.sample-card audio {
  width: 100%;
}

.sample-card-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.pagination-bar {
  display: grid;
  gap: 12px;
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.76);
}

.pagination-meta {
  color: var(--muted);
  font-size: 13px;
}

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

.empty-state {
  padding: 24px 10px;
  text-align: center;
}

.topbar-meta {
  display: grid;
  gap: 4px;
}

.topbar-meta-note {
  font-size: 12px;
  opacity: 0.82;
  line-height: 1.5;
}

.auth-card {
  display: grid;
  gap: 12px;
  align-self: start;
}

.auth-form {
  margin-top: 6px;
}

.auth-tab-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.auth-tab {
  background: rgba(203, 95, 45, 0.08);
  color: var(--brand-dark);
}

.auth-tab.is-active {
  background: linear-gradient(135deg, var(--brand), #e07a43);
  color: #fff;
}

.auth-panel {
  display: grid;
  gap: 12px;
}

.share-banner {
  display: grid;
  gap: 12px;
  margin-top: 14px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(31, 117, 102, 0.14), transparent 28%),
    linear-gradient(180deg, #fffefb, #f3ece2);
}

.share-banner p,
.profile-card {
  margin: 0;
}

.profile-card {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(31, 117, 102, 0.08);
  color: var(--teal);
  line-height: 1.6;
}

.visibility-config {
  display: grid;
  gap: 12px;
}

.visibility-mode-group {
  display: grid;
  gap: 10px;
}

.choice-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
}

.choice-card input {
  margin: 0;
}

#albumVisibleUsersWrap {
  display: grid;
  gap: 8px;
}

.user-picker {
  display: grid;
  gap: 10px;
  max-height: 260px;
  padding: 10px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.user-picker.is-disabled {
  opacity: 0.55;
  pointer-events: none;
}

.user-picker-empty {
  padding: 10px 8px;
  color: var(--muted);
  text-align: center;
}

.user-picker-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(203, 95, 45, 0.16);
  border-radius: 14px;
  background: rgba(255, 250, 244, 0.9);
  cursor: pointer;
}

.user-picker-item input {
  margin: 0;
}

.user-picker-text {
  display: grid;
  gap: 2px;
}

.user-picker-name {
  font-weight: 700;
  color: var(--text);
}

.user-picker-subtitle {
  font-size: 12px;
  color: var(--muted);
}

.user-manage-list {
  display: grid;
  gap: 14px;
}

.user-manage-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.8);
}

.user-manage-card.is-disabled {
  background: rgba(236, 232, 228, 0.92);
}

.user-manage-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.user-manage-head h4,
.user-manage-head p {
  margin: 0;
}

.user-manage-head p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.share-box {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.share-link-input {
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  overflow-y: auto;
  padding: 10px 0 0;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 21, 26, 0.42);
  backdrop-filter: blur(8px);
}

.modal-dialog {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: min(100vw, 100%);
  max-height: calc(100vh - 10px);
  padding: 22px 18px calc(20px + env(safe-area-inset-bottom));
  overflow-y: auto;
  border-radius: 28px 28px 0 0;
  background:
    radial-gradient(circle at top right, rgba(203, 95, 45, 0.12), transparent 26%),
    linear-gradient(180deg, #fffdf8, #f5ecdf);
}

.toast {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(14px + env(safe-area-inset-bottom));
  padding: 14px 16px;
  border-radius: 18px;
  color: #fff;
  background: rgba(23, 26, 33, 0.94);
  box-shadow: 0 18px 36px rgba(19, 23, 30, 0.22);
  z-index: 20;
}

.hidden {
  display: none !important;
}

@media (min-width: 760px) {
  .app-shell {
    width: min(100vw - 28px, 1200px);
    padding-top: 18px;
  }

  .topbar {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .topbar-actions {
    display: flex;
  }

  .overview-band {
    grid-template-columns: 1.15fr 1fr;
  }

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

  .workspace-actions {
    display: flex;
  }

  .workspace-header {
    flex-direction: row;
    align-items: center;
  }

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

  .wide-field {
    grid-column: 1 / -1;
  }

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

  .segment-editor-head-row,
  .segment-boundary-head {
    align-items: center;
  }

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

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

  .modal-dialog {
    position: relative;
    width: min(720px, calc(100vw - 24px));
    max-height: calc(100vh - 48px);
    margin: 24px auto;
    border-radius: 30px;
    padding-bottom: 24px;
  }

  .toast {
    left: auto;
    right: 24px;
    bottom: 24px;
    min-width: 280px;
    max-width: 420px;
  }
}

@media (min-width: 1100px) {
  .app-shell {
    width: min(100vw - 40px, 1380px);
  }

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

  .workspace-grid {
    grid-template-columns: 420px minmax(0, 1fr);
  }

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