:root {
  color-scheme: dark;
  --ck-bg: #0a0b0d;
  --ck-rail: #101216;
  --ck-panel: #15171c;
  --ck-card: #1a1d23;
  --ck-elev: #22252d;
  --ck-line: #2a2e37;
  --ck-line-soft: #20232b;
  --ck-text: #f4f5f7;
  --ck-text-mid: #a4a9b4;
  --ck-text-lo: #6a6f7a;
  --ck-accent: #cdf24e;
  --ck-accent-dim: #9fc23a;
  --ck-accent-deep: #2c3514;
  --ck-on-accent: #0d1505;
  --ck-green: #4ade80;
  --ck-amber: #fbbf24;
  --ck-red: #f87171;
  --ck-coral: #ff5d3b;
  --ck-radius: 14px;
  --ck-radius-lg: 20px;
  --ck-shadow: 0 22px 52px rgba(0, 0, 0, 0.34);
  --ck-spring: 240ms cubic-bezier(0.16, 1, 0.3, 1);
  --muted: var(--ck-text-mid);
  font-family: Inter, "SF Pro Display", "SF Pro Text", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-height: 100%;
  background: var(--ck-bg);
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 34% -6%, rgba(205, 242, 78, 0.16), transparent 32%),
    radial-gradient(circle at 96% 18%, rgba(34, 211, 238, 0.08), transparent 28%),
    linear-gradient(135deg, #0d0f0a 0%, #0a0b0d 48%, #08090b 100%);
  color: var(--ck-text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 76%);
}

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

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

a {
  color: var(--ck-accent);
}

.app-shell[hidden],
.auth-gate[hidden] {
  display: none !important;
}

.visually-hidden,
.file-input {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
}

/* Auth portal */
.auth-gate {
  position: relative;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 520px;
  overflow: hidden;
  background:
    radial-gradient(circle at 38% -12%, rgba(205, 242, 78, 0.22), transparent 34%),
    radial-gradient(circle at 4% 84%, rgba(34, 211, 238, 0.09), transparent 30%),
    #0a0b0d;
}

.auth-card {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100dvh;
  padding: 56px 52px;
  border-left: 1px solid var(--ck-line);
  background: var(--ck-panel);
}

.auth-showcase {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  min-height: 100dvh;
  overflow: hidden;
  padding: 56px;
  background:
    radial-gradient(circle at 62% 8%, rgba(205, 242, 78, 0.2), transparent 28%),
    radial-gradient(circle at 2% 82%, rgba(34, 211, 238, 0.1), transparent 28%),
    linear-gradient(140deg, rgba(205, 242, 78, 0.08), rgba(0, 0, 0, 0) 42%);
}

.auth-showcase::before,
.auth-showcase::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.auth-showcase::before {
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 82%);
}

.auth-showcase::after {
  right: 12%;
  top: 10%;
  width: 440px;
  height: 440px;
  border-radius: 999px;
  background: rgba(205, 242, 78, 0.12);
  filter: blur(90px);
}

.auth-brand,
.auth-showcase-main,
.auth-feature-row {
  position: relative;
  z-index: 1;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ck-text);
  font-size: 14px;
  font-weight: 850;
}

.auth-logo {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--ck-accent);
  color: var(--ck-on-accent);
  font-size: 22px;
  line-height: 1;
}

.auth-showcase-main {
  width: min(560px, 100%);
}

.auth-showcase-main h1 {
  margin: 0;
  color: var(--ck-text);
  font-size: clamp(42px, 5.3vw, 72px);
  font-weight: 920;
  line-height: 0.98;
  letter-spacing: 0;
}

.auth-showcase-main h1 span {
  display: block;
}

.auth-showcase-main h1 span:last-child {
  color: var(--ck-accent);
}

.auth-showcase-main .subtle {
  max-width: 540px;
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.6;
}

.auth-preview-stage {
  position: relative;
  width: min(540px, 100%);
  height: 236px;
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius-lg);
  background:
    radial-gradient(circle at 52% 42%, rgba(205, 242, 78, 0.14), transparent 24%),
    linear-gradient(120deg, #181b14, #0e0f0c);
}

.auth-preview-stage::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 38px;
  width: 130px;
  height: 130px;
  border: 1px solid rgba(205, 242, 78, 0.28);
  border-radius: 50%;
  transform: translateX(-50%);
}

.auth-preview-stage .scan-line {
  top: 46px;
  left: 24px;
  right: 24px;
  background: rgba(255, 255, 255, 0.22);
}

.auth-play {
  position: absolute;
  left: 50%;
  top: 90px;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 999px;
  background: var(--ck-accent);
  color: var(--ck-on-accent);
  font-size: 17px;
  box-shadow: 0 0 0 18px rgba(205, 242, 78, 0.08);
  transform: translate(-50%, -50%);
}

.auth-feature-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.auth-feature-row span {
  padding: 8px 13px;
  border: 1px solid var(--ck-line);
  border-radius: 999px;
  background: var(--ck-card);
  color: var(--ck-text-mid);
  font-size: 12px;
  font-weight: 750;
}

.auth-card h2 {
  margin: 0;
  color: var(--ck-text);
  font-size: 30px;
  line-height: 1.08;
  letter-spacing: 0;
}

.auth-form {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.auth-tab-bar {
  margin-top: 22px;
}

/* App shell and rail */
.app-shell {
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  column-gap: 0;
  min-height: 100dvh;
  padding: 0;
}

.mode-tabs {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 252px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100vh;
  height: 100dvh;
  padding: 86px 18px 20px;
  border-right: 1px solid var(--ck-line);
  background: var(--ck-rail);
  box-sizing: border-box;
}

.mode-tabs::before {
  content: "\25C9  \6570\5B57\4EBA\5DE5\4F5C\53F0";
  position: absolute;
  top: 24px;
  left: 18px;
  right: 18px;
  height: 38px;
  display: flex;
  align-items: center;
  color: var(--ck-text);
  font-size: 13px;
  font-weight: 800;
}

.nav-footer {
  margin-top: auto;
  padding: 14px;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  background: var(--ck-card);
  color: var(--ck-text-mid);
  font-size: 11px;
  line-height: 1.4;
  transition: border-color var(--ck-spring), background var(--ck-spring);
}

.nav-footer:hover {
  border-color: rgba(205, 242, 78, 0.28);
  background: rgba(255, 255, 255, 0.02);
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--ck-text-mid);
  font-weight: 500;
  margin-bottom: 4px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--ck-green);
  box-shadow: 0 0 8px var(--ck-green);
  display: inline-block;
}

.footer-credits {
  font-size: 18px;
  font-weight: 850;
  color: var(--ck-text);
  margin-bottom: 1px;
  letter-spacing: -0.5px;
}

.footer-note {
  color: var(--ck-text-lo);
  font-size: 10.5px;
  font-weight: 500;
}

.mode-tab {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  width: 100%;
  padding: 11px 12px 11px 38px;
  border-radius: var(--ck-radius);
  background: transparent;
  color: var(--ck-text-mid);
  text-align: left;
  transition: transform var(--ck-spring), background var(--ck-spring), color var(--ck-spring);
}

.mode-tab::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 50%;
  width: 16px;
  height: 16px;
  border: 1.5px solid currentColor;
  border-radius: 4px;
  transform: translateY(-50%);
  opacity: 0.85;
}

.mode-tab.is-active {
  background: var(--ck-accent-deep);
  color: var(--ck-accent);
}

.mode-tab.is-active::after {
  content: "";
  position: absolute;
  left: -12px;
  top: 10px;
  width: 3px;
  height: 22px;
  border-radius: 2px;
  background: var(--ck-accent);
}

.mode-tab:hover {
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-1px);
}

.mode-tab strong {
  font-size: 14px;
  line-height: 1.15;
}

.mode-tab span {
  display: block;
  color: currentColor;
  font-size: 11.5px;
  line-height: 1.25;
  opacity: 0.72;
}

/* Command bar */
.topbar {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 30px 0;
}

.hero-shell {
  min-height: 88px;
  overflow: visible;
  background: var(--ck-bg);
}

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

.hero-copy h1 {
  margin: 3px 0 0;
  color: var(--ck-text);
  font-size: 24px;
  font-weight: 850;
  line-height: 1.12;
  letter-spacing: 0;
}

.hero-copy h1 span {
  display: inline;
}

.hero-copy h1 span + span::before {
  content: " / ";
  color: var(--ck-text-lo);
}

.hero-copy .subtle {
  max-width: 740px;
}

.hero-actions {
  display: none;
}

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

.provider-card {
  min-width: 190px;
  padding: 9px 13px;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  background: var(--ck-card);
}

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

.provider-card span {
  color: var(--ck-text-lo);
  font-size: 11px;
  font-weight: 650;
}

.provider-card strong {
  margin-top: 2px;
  color: var(--ck-text);
  font-size: 13px;
}

.hero-device {
  position: relative;
  width: 138px;
  height: 42px;
  overflow: hidden;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  background: linear-gradient(125deg, #181b14, #0c0d0a);
}

.scan-line {
  position: absolute;
  inset: 9px 14px auto;
  height: 1px;
  background: rgba(255, 255, 255, 0.22);
}

.hero-orbit {
  position: absolute;
  right: 14px;
  top: 10px;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(205, 242, 78, 0.28);
  border-radius: 50%;
}

.hero-orbit span {
  display: none;
}

.hero-status-panel {
  display: none;
}

.wave-stack {
  position: absolute;
  left: 13px;
  bottom: 10px;
  display: flex;
  align-items: end;
  gap: 3px;
}

.wave-stack i {
  width: 3px;
  height: 10px;
  border-radius: 999px;
  background: var(--ck-accent);
  opacity: 0.75;
  animation: ck-wave 1.5s ease-in-out infinite;
}

.wave-stack i:nth-child(2) { height: 16px; animation-delay: 120ms; }
.wave-stack i:nth-child(3) { height: 8px; animation-delay: 220ms; }
.wave-stack i:nth-child(4) { height: 20px; animation-delay: 340ms; }
.wave-stack i:nth-child(5) { height: 12px; animation-delay: 440ms; }
.wave-stack i:nth-child(6) { height: 15px; animation-delay: 560ms; }

.render-chip {
  position: absolute;
  right: 10px;
  top: 9px;
  padding: 4px 7px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.34);
  color: var(--ck-accent);
  font-size: 9px;
  font-weight: 750;
}

/* Panels */
.mode-panel {
  grid-column: 2;
  grid-row: 2;
  display: none;
  min-width: 0;
  padding: 18px 30px 118px;
}

.mode-panel.is-visible {
  display: block;
}

.panel-heading {
  display: none;
}

.product-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: start;
  gap: 20px;
}

.composer,
.status-column,
.history-list-panel,
.history-detail-shell,
.history-detail {
  min-width: 0;
}

.composer {
  display: grid;
  gap: 18px;
}

.flow-card,
.task-card,
.advanced-panel,
.template-guide,
.input-tile,
.status-column,
.history-list-panel,
.history-detail-shell,
.history-detail,
.history-empty,
.profile-card {
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  background: var(--ck-panel);
}

.flow-card {
  position: relative;
  display: grid;
  gap: 16px;
  padding: 22px;
  transition: border-color var(--ck-spring), box-shadow var(--ck-spring), transform var(--ck-spring);
}

.flow-card:hover,
.flow-card:focus-within {
  border-color: rgba(205, 242, 78, 0.56);
}

.flow-card:nth-of-type(3) {
  border-color: var(--ck-accent);
  box-shadow: 0 12px 36px rgba(205, 242, 78, 0.12);
}

.flow-card.is-collapsed > :not(.flow-card-head) {
  display: none !important;
}

.flow-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.flow-card-head > span {
  display: grid;
  place-items: center;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: var(--ck-accent-deep);
  color: var(--ck-accent);
  font-size: 14px;
  font-weight: 850;
}

.flow-card-head h3,
.history-section-head h3 {
  margin: 0;
  color: var(--ck-text);
  font-size: 17px;
  line-height: 1.15;
}

.flow-card-head p,
.history-section-head p {
  margin: 4px 0 0;
  color: var(--ck-text-mid);
  font-size: 12.5px;
  line-height: 1.4;
}

.collapse-toggle {
  margin-left: auto;
  width: 32px;
  height: 32px;
  border: 1px solid var(--ck-line);
  border-radius: 999px;
  background: var(--ck-card);
  color: var(--ck-text-mid);
}

.template-guide {
  padding: 16px;
  background: var(--ck-card);
}

.template-guide strong {
  color: var(--ck-text);
  font-size: 13px;
}

.template-guide ul {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--ck-text-mid);
  font-size: 12.5px;
  line-height: 1.6;
}

.step-choice-grid,
.option-grid,
.voice-filter-bar,
.record-controls,
.upload-row {
  display: grid;
  gap: 10px;
}

.step-choice-grid,
.option-grid.two-cols {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.step-choice {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  background: var(--ck-card);
  color: var(--ck-text);
  text-align: left;
  transition: border-color var(--ck-spring), background var(--ck-spring), transform var(--ck-spring);
}

.step-choice:hover,
.step-choice.is-active {
  border-color: var(--ck-accent);
  background: var(--ck-accent-deep);
  transform: translateY(-1px);
}

.step-choice span {
  color: var(--ck-text-mid);
  font-size: 12px;
}

.template-method-panel,
.tab-panel {
  display: grid;
  gap: 14px;
}

.input-tile {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 18px;
  background: var(--ck-card);
}

.input-tile.is-drag-over {
  border-color: var(--ck-accent);
  background: var(--ck-accent-deep);
}

.upload-row,
.compact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.file-name,
.upload-status,
.helper-note,
.template-validation,
.record-timer {
  color: var(--ck-text-mid);
  font-size: 12.5px;
  line-height: 1.4;
}

.upload-status.is-error,
.template-validation.is-error {
  color: var(--ck-red);
}

label,
.check-line,
.audio-quality-line {
  display: grid;
  gap: 7px;
  color: var(--ck-text);
  font-size: 13px;
  font-weight: 650;
}

.check-line,
.audio-quality-line {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  padding: 12px 14px;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  background: var(--ck-card);
  color: var(--ck-text-mid);
  font-weight: 600;
}

input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--ck-accent);
}

input:not([type="checkbox"]):not([type="radio"]),
textarea,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  background: var(--ck-card);
  color: var(--ck-text);
  padding: 12px 14px;
  outline: none;
  transition: border-color var(--ck-spring), box-shadow var(--ck-spring), background var(--ck-spring);
}

textarea {
  min-height: 108px;
  resize: vertical;
  line-height: 1.5;
}

select {
  appearance: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--ck-text-lo);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--ck-accent);
  box-shadow: 0 0 0 3px rgba(205, 242, 78, 0.12);
}

.tab-bar,
.voice-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  background: var(--ck-bg);
}

.tab,
.voice-tab {
  flex: 1;
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 10px;
  background: transparent;
  color: var(--ck-text-mid);
  font-size: 12.5px;
  font-weight: 750;
  transition: background var(--ck-spring), color var(--ck-spring), transform var(--ck-spring);
}

.tab.is-active,
.voice-tab.is-active {
  background: var(--ck-elev);
  color: var(--ck-text);
}

.primary,
.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  gap: 8px;
  border-radius: var(--ck-radius);
  font-weight: 850;
  transition: transform var(--ck-spring), background var(--ck-spring), border-color var(--ck-spring);
}

.primary {
  background: var(--ck-accent);
  color: var(--ck-on-accent);
  box-shadow: 0 10px 28px rgba(205, 242, 78, 0.18);
}

.secondary {
  border: 1px solid var(--ck-line);
  background: var(--ck-card);
  color: var(--ck-text);
}

.primary:hover,
.secondary:hover {
  transform: translateY(-1px);
}

.primary:active,
.secondary:active,
.mode-tab:active,
.step-choice:active,
.tab:active {
  transform: translateY(1px) scale(0.99);
}

.wide {
  width: 100%;
}

.small {
  min-height: 34px;
  padding: 7px 11px;
  font-size: 12.5px;
}

/* Voice picker */
.voice-selection-container {
  display: grid;
  gap: 14px;
}

.voice-filter-bar {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(170px, auto);
  align-items: center;
  gap: 14px;
}

.voice-selection-container .field-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--ck-text);
}

.voice-filters {
  display: grid;
  grid-template-columns: auto minmax(220px, 300px);
  align-items: center;
  gap: 10px;
}

.voice-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: 14px;
  max-height: 430px;
  overflow: auto;
  padding: 6px;
  overscroll-behavior: auto;
  scrollbar-gutter: stable;
}

.voice-card {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 12px;
  min-height: 150px;
  padding: 17px;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.025), transparent 48%),
    var(--ck-card);
  color: var(--ck-text);
  text-align: left;
  outline: none;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.16);
  transition: border-color var(--ck-spring), background var(--ck-spring), box-shadow var(--ck-spring), transform var(--ck-spring);
}

.voice-card:hover,
.voice-card:focus-visible {
  border-color: rgba(205, 242, 78, 0.45);
  transform: translateY(-1px);
}

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

.voice-card.is-active {
  border-color: var(--ck-accent);
  background: var(--ck-accent-deep);
  box-shadow: 0 18px 34px rgba(205, 242, 78, 0.11);
}

.voice-card .voice-name {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.35;
}

.voice-badge {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 850;
}

.voice-badge.male {
  background: rgba(96, 165, 250, 0.12);
  color: #93c5fd;
}

.voice-badge.female {
  background: rgba(251, 113, 133, 0.12);
  color: #fda4af;
}

.voice-desc {
  margin: 0;
  color: var(--ck-text-mid);
  font-size: 13px;
  line-height: 1.5;
}

.voice-card-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.play-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 34px;
  padding: 8px 12px;
  border: 1px solid rgba(205, 242, 78, 0.32);
  border-radius: 999px;
  background: rgba(205, 242, 78, 0.12);
  color: var(--ck-accent);
  font-size: 12.5px;
  font-weight: 850;
  transition: background var(--ck-spring), transform var(--ck-spring), border-color var(--ck-spring);
}

.play-action-btn:hover,
.play-action-btn:focus-visible {
  border-color: rgba(205, 242, 78, 0.6);
  background: rgba(205, 242, 78, 0.18);
}

.play-action-btn:active {
  transform: translateY(1px) scale(0.98);
}

.voice-id-text {
  margin-left: auto;
  color: var(--ck-text-lo);
  font-size: 11px;
  font-weight: 750;
}

.voice-card .voice-meta,
.voice-card .voice-id {
  color: var(--ck-text-mid);
  font-size: 12px;
}

@media (max-width: 960px) {
  .voice-filters,
  .voice-choice-grid {
    grid-template-columns: 1fr;
  }
}

/* Render monitor */
.status-column {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 14px;
  padding: 16px;
  background: transparent;
  border: 0;
}

.media-frame,
.history-output-frame {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 248px;
  overflow: hidden;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius-lg);
  background: linear-gradient(125deg, #181b14, #0c0d0a);
  color: var(--ck-text-mid);
}

.media-frame::before,
.history-output-frame::before {
  content: "";
  position: absolute;
  width: 148px;
  height: 148px;
  border: 1px solid rgba(205, 242, 78, 0.22);
  border-radius: 50%;
}

@keyframes ck-lens-pulse {
  0% {
    transform: scale(0.98);
    opacity: 0.9;
    box-shadow: 0 0 0 10px rgba(205, 242, 78, 0.06);
  }
  50% {
    transform: scale(1.02);
    opacity: 1;
    box-shadow: 0 0 0 16px rgba(205, 242, 78, 0.12), 0 0 20px rgba(205, 242, 78, 0.20);
  }
  100% {
    transform: scale(0.98);
    opacity: 0.9;
    box-shadow: 0 0 0 10px rgba(205, 242, 78, 0.06);
  }
}

.media-frame::after,
.history-output-frame::after {
  content: "";
  position: absolute;
  width: 54px;
  height: 54px;
  border-radius: 999px;
  background: var(--ck-accent);
  box-shadow: 0 0 0 14px rgba(205, 242, 78, 0.08);
  animation: ck-lens-pulse 4s ease-in-out infinite;
}

.media-frame > span,
.history-output-frame > span {
  position: absolute;
  bottom: 24px;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 2;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ck-text-mid);
  letter-spacing: 0.5px;
  align-self: end;
}

.media-frame video,
.history-output-frame video {
  position: relative;
  z-index: 1;
  width: 100%;
  max-height: 560px;
  border-radius: calc(var(--ck-radius) - 3px);
  background: #050607;
}

.media-frame.has-video::before,
.media-frame.has-video::after,
.media-frame.has-video > span,
.history-output-frame:has(video)::before,
.history-output-frame:has(video)::after,
.history-output-frame:has(video) > span {
  display: none !important;
}

.task-card,
.advanced-panel {
  display: grid;
  gap: 8px;
  padding: 16px;
  background: var(--ck-panel);
}

.task-card small {
  color: var(--ck-text-lo);
  font-size: 11px;
  font-weight: 700;
}

.task-card strong {
  color: var(--ck-text);
}

.task-card span,
.advanced-panel,
.advanced-panel pre {
  color: var(--ck-text-mid);
  font-size: 12.5px;
  line-height: 1.45;
}

.advanced-panel summary {
  cursor: pointer;
  color: var(--ck-text);
  font-weight: 750;
}

.advanced-panel pre {
  max-height: 260px;
  overflow: auto;
  white-space: pre-wrap;
}

.upload-debug {
  max-height: 180px;
  overflow: auto;
  padding: 12px;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  background: #0d0f12;
  color: var(--ck-text-mid);
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.upload-progress {
  position: relative;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--ck-card);
}

.upload-progress > span,
.activity-track > span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ck-accent), #22d3ee);
  transition: width var(--ck-spring);
}

/* History */
.history-container {
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
  flex-direction: column;
  gap: 20px;
}

.history-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.history-section-head h3 {
  font-size: 26px;
}

.history-layout {
  display: grid;
  grid-template-columns: 420px minmax(0, 1fr);
  gap: 20px;
  align-items: stretch;
}

.history-list-panel,
.history-detail-shell,
.history-detail {
  background: var(--ck-panel);
}

.history-list-panel {
  display: flex;
  flex-direction: column;
  min-height: 680px;
  max-height: calc(100dvh - 166px);
  padding: 18px;
}

.history-grid {
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  overscroll-behavior-y: auto;
  padding: 4px;
}

.history-list {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior-y: auto;
  padding: 3px;
}

.history-item-card,
.history-entry {
  position: relative;
  display: grid;
  gap: 8px;
  width: 100%;
  min-height: 150px;
  padding: 14px;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  background: var(--ck-card);
  color: var(--ck-text);
  text-align: left;
  overflow: hidden;
  transition: border-color var(--ck-spring), background var(--ck-spring), transform var(--ck-spring);
}

.history-item-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(205, 242, 78, 0.1), transparent 34%);
  opacity: 0;
  transition: opacity var(--ck-spring);
}

.history-item-card:hover::before {
  opacity: 1;
}

.history-item-card:hover {
  transform: translateY(-1px);
}

.history-item-card.is-active,
.history-entry.is-active {
  border-color: var(--ck-accent);
  background:
    linear-gradient(135deg, rgba(205, 242, 78, 0.08), transparent 42%),
    var(--ck-card);
}

.history-item-header,
.history-item-body,
.history-item-actions {
  position: relative;
  z-index: 1;
}

.history-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.history-item-time {
  color: var(--ck-text-mid);
  font-size: 12px;
  font-weight: 750;
}

.history-item-status {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(164, 169, 180, 0.12);
  color: var(--ck-text-mid);
  font-size: 11px;
  font-weight: 850;
}

.history-item-status.completed {
  background: rgba(74, 222, 128, 0.12);
  color: #7cf7a7;
}

.history-item-status.processing {
  background: rgba(251, 191, 36, 0.12);
  color: var(--ck-amber);
}

.history-item-status.failed {
  background: rgba(248, 113, 113, 0.12);
  color: var(--ck-red);
}

.history-item-info {
  display: grid;
  gap: 4px;
  color: var(--ck-text-mid);
  font-size: 12.5px;
  line-height: 1.35;
}

.history-item-info span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-item-info strong {
  color: var(--ck-text);
}

.history-item-actions {
  margin-top: 4px;
  color: var(--ck-accent);
  font-size: 12.5px;
  font-weight: 850;
}

.history-entry time,
.history-entry .muted,
.history-entry small,
.history-entry span {
  color: var(--ck-text-mid);
}

.history-detail-shell,
.history-detail {
  min-height: 680px;
  padding: 24px;
}

.history-detail-shell {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.history-detail-shell > summary {
  list-style: none;
  cursor: pointer;
}

.history-detail-shell > summary::-webkit-details-marker {
  display: none;
}

.history-detail {
  display: grid;
  gap: 18px;
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
}

.history-empty {
  min-height: 320px;
  display: grid;
  place-items: center;
  padding: 26px;
  color: var(--ck-text-mid);
  text-align: center;
}

.history-output-frame {
  min-height: 300px;
}

.history-detail-summary,
.history-detail dl,
.history-spec-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.history-detail-summary {
  border-top: 1px solid var(--ck-line-soft);
}

.history-detail-row {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px solid var(--ck-line-soft);
}

.history-detail-row > span {
  color: var(--ck-text-lo);
  font-size: 12px;
  font-weight: 850;
}

.history-detail-row > strong,
.history-detail-row > a {
  color: var(--ck-text);
  font-size: 13px;
  font-weight: 750;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.history-detail-row > a {
  color: var(--ck-accent);
  text-decoration: none;
}

.history-detail dt,
.history-detail dd,
.history-spec-list > div {
  min-width: 0;
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px solid var(--ck-line-soft);
}

.history-detail dt {
  color: var(--ck-text-lo);
  font-size: 12px;
  font-weight: 800;
}

.history-detail dd {
  color: var(--ck-text);
  overflow-wrap: anywhere;
}

/* Profile */
.profile-dashboard,
.profile-grid,
.profile-content {
  display: grid;
  grid-template-columns: 420px minmax(0, 1fr);
  gap: 20px;
}

.profile-dashboard {
  grid-template-areas:
    "credits account";
  align-items: stretch;
}

.profile-credit-card,
.profile-account-card,
.profile-stat-tile,
.profile-card {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius-lg);
  background: var(--ck-panel);
}

.profile-credit-card {
  grid-area: credits;
}

.profile-account-card {
  grid-area: account;
}

.profile-stat-tile:nth-of-type(3) { grid-area: stat1; }
.profile-stat-tile:nth-of-type(4) { grid-area: stat2; }
.profile-stat-tile:nth-of-type(5) { grid-area: stat3; }

.profile-card h3 {
  color: var(--ck-text);
  font-size: 18px;
}

.profile-credit-card > span,
.profile-stat-tile p,
.profile-account-card label > span {
  color: var(--ck-text-mid);
  font-size: 13px;
  font-weight: 750;
}

.profile-credit-value {
  min-height: 64px !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--ck-accent) !important;
  font-size: 56px !important;
  font-weight: 850 !important;
  line-height: 1 !important;
}

.profile-credit-card p,
.profile-credit-card small,
.profile-account-card p {
  margin: 0;
  color: var(--ck-text-lo);
  font-size: 12.5px;
  line-height: 1.45;
}

.profile-usage-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--ck-card);
}

.profile-usage-track i {
  display: block;
  width: 62%;
  height: 100%;
  border-radius: inherit;
  background: var(--ck-accent);
}

.profile-account-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.profile-account-head h3 {
  margin: 0;
  color: var(--ck-text);
  font-size: 18px;
}

.profile-account-card label {
  font-weight: 750;
}

.profile-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.profile-stat-tile {
  min-height: 132px;
  align-content: center;
  border-radius: var(--ck-radius);
  background: var(--ck-card);
}

.profile-stat-tile span,
.profile-card .profile-value,
.profile-card strong {
  color: var(--ck-accent);
  font-size: 24px;
  font-weight: 850;
  line-height: 1;
}

.profile-stat-tile p {
  margin: 0;
}

/* Dock, toast, running state */
.activity-dock {
  position: fixed;
  left: calc(252px + 50%);
  bottom: 22px;
  z-index: 8;
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto auto;
  align-items: center;
  gap: 16px;
  width: min(780px, calc(100vw - 306px));
  padding: 14px 18px;
  border: 1px solid var(--ck-line);
  border-radius: 999px;
  background: var(--ck-elev);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.65);
  transform: translateX(-50%);
}

.activity-dock[hidden] {
  display: none !important;
}

.activity-dock-copy {
  display: grid;
  gap: 2px;
}

.activity-dock-copy strong,
.activity-state {
  color: var(--ck-text);
  font-size: 13px;
}

.activity-dock-copy span {
  color: var(--ck-text-mid);
  font-size: 12px;
}

.activity-track {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--ck-card);
}

.activity-close {
  width: 32px;
  height: 32px;
  border: 1px solid var(--ck-line);
  border-radius: 999px;
  background: var(--ck-card);
  color: var(--ck-text-mid);
}

.toast {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 10;
  max-width: min(420px, calc(100vw - 36px));
  padding: 13px 16px;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  background: var(--ck-elev);
  color: var(--ck-text);
  box-shadow: var(--ck-shadow);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity var(--ck-spring), transform var(--ck-spring);
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.is-running {
  color: var(--ck-accent);
}

@keyframes ck-wave {
  0%, 100% { transform: scaleY(0.58); opacity: 0.45; }
  50% { transform: scaleY(1); opacity: 1; }
}

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

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .mode-tabs {
    position: sticky;
    top: 0;
    z-index: 4;
    grid-column: 1;
    grid-row: 1;
    min-height: auto;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 74px 16px 14px;
    border-right: 0;
    border-bottom: 1px solid var(--ck-line);
  }

  .mode-tabs::after {
    display: none;
  }

  .topbar,
  .mode-panel {
    grid-column: 1;
  }

  .topbar {
    grid-row: 2;
    padding: 22px 18px 0;
  }

  .mode-panel {
    grid-row: 3;
    padding: 18px 18px 118px;
  }

  .product-grid,
  .history-layout,
  .profile-dashboard,
  .profile-grid,
  .profile-content {
    grid-template-columns: 1fr;
  }

  .profile-dashboard {
    grid-template-areas:
      "credits"
      "account";
  }

  .status-column {
    position: static;
  }

  .activity-dock {
    left: 50%;
    width: min(780px, calc(100vw - 28px));
  }
}

@media (max-width: 760px) {
  .auth-gate {
    grid-template-columns: 1fr;
  }

  .auth-showcase {
    min-height: auto;
    padding: 28px 20px;
    gap: 28px;
  }

  .auth-showcase-main h1 {
    font-size: 40px;
  }

  .auth-preview-stage {
    height: 180px;
  }

  .auth-feature-row {
    display: none;
  }

  .auth-card {
    min-height: 100dvh;
    border-left: 0;
    padding: 30px 20px;
  }

  .mode-tabs {
    grid-template-columns: 1fr;
    padding-top: 70px;
  }

  .mode-tab {
    min-height: 48px;
  }

  .topbar {
    display: grid;
    align-items: start;
  }

  .hero-stage {
    justify-content: stretch;
  }

  .provider-card,
  .hero-device {
    width: 100%;
  }

  .step-choice-grid,
  .option-grid.two-cols,
  .voice-filter-bar {
    grid-template-columns: 1fr;
  }

  .history-list-panel,
  .history-detail-shell,
  .history-detail {
    min-height: auto;
    max-height: none;
  }

  .activity-dock {
    grid-template-columns: 1fr auto;
    border-radius: var(--ck-radius-lg);
  }

  .activity-track,
  .activity-state {
    grid-column: 1 / -1;
  }
}