:root {
  color-scheme: dark;
  --bg-0: #08111f;
  --bg-1: #0d1b31;
  --bg-2: #122647;
  --card: rgba(11, 21, 38, 0.78);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #edf2ff;
  --muted: #9eb0d5;
  --accent: #87f0d1;
  --accent-strong: #4fd3ff;
  --user: #2f7bf6;
  --assistant: #23324d;
  --error: #ff7d7d;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(79, 211, 255, 0.24), transparent 32%),
    radial-gradient(circle at top right, rgba(135, 240, 209, 0.16), transparent 28%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1) 55%, var(--bg-2));
}

.page-shell {
  min-height: 100vh;
  display: grid;
  align-items: start;
  justify-items: center;
  padding: 16px 24px 24px;
}

.app-card {
  width: min(100%, 980px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(18, 33, 57, 0.88), rgba(10, 18, 32, 0.92));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  padding: 28px;
  display: grid;
  gap: 18px;
}

.hero-header {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.03);
  padding: 18px;
  display: grid;
  gap: 12px;
}

.hero-title-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-title-copy {
  display: grid;
  gap: 4px;
}

.hero-controls {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.locale-switch {
  display: inline-flex;
  align-items: center;
}

.locale-select {
  min-width: 120px;
  min-height: 48px;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 10px 14px;
  font: inherit;
  appearance: none;
  outline: none;
}

.locale-select:focus-visible {
  border-color: rgba(135, 240, 209, 0.9);
  box-shadow: 0 0 0 3px rgba(135, 240, 209, 0.18);
}

.hero-title {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.hero-status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.app-card[data-mode="chat"] .story-only {
  display: none;
}

.app-card[data-mode="story"] .story-only {
  display: grid;
}

.app-card[data-mode="story"] .chat-only {
  display: none;
}

.app-card[data-mode="chat"] .chat-only {
  display: grid;
}

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

.fold-section {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.03);
  overflow: clip;
}

.fold-section > summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 18px;
  display: grid;
  gap: 4px;
}

.fold-section > summary::-webkit-details-marker {
  display: none;
}

.fold-section > summary::after {
  content: "";
}

.fold-kicker {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.fold-title {
  font-size: 1.05rem;
  font-weight: 700;
}

.fold-section[open] > summary {
  border-bottom: 1px solid var(--card-border);
}

.fold-body {
  padding: 16px 18px 18px;
  display: grid;
  gap: 14px;
}

.settings-stack {
  gap: 16px;
}

.status-strip {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.03);
  padding: 16px 18px;
  display: grid;
  gap: 12px;
}

.status-strip-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.status-strip-body {
  display: grid;
  gap: 10px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.lead {
  margin: 12px 0 0;
  max-width: 58ch;
  color: var(--muted);
  line-height: 1.75;
}

.mode-tabs {
  margin-top: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 6px;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  min-height: 48px;
}

.mode-tab {
  border: 0;
  border-radius: 999px;
  min-height: 36px;
  padding: 10px 16px;
  font: inherit;
  font-weight: 700;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}

.mode-tab:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.mode-tab[data-active="true"] {
  color: #04111d;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.status-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-start;
}

.status-chip {
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.04);
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.92rem;
  white-space: nowrap;
}

.status-panel {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  padding: 16px 18px;
}

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

.persona-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.persona-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.persona-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.persona-pill {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}

.persona-pill[data-active="true"] {
  border-color: rgba(135, 240, 209, 0.6);
  background: rgba(135, 240, 209, 0.12);
  color: #d9fff3;
}

.persona-custom {
  display: grid;
  gap: 8px;
}

.persona-custom span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.cast-panel {
  border-top: 1px solid var(--card-border);
  padding-top: 14px;
  display: grid;
  gap: 12px;
}

.inline-fold {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  overflow: clip;
}

.inline-fold > summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.inline-fold > summary::-webkit-details-marker {
  display: none;
}

.inline-fold > summary::after {
  content: "▾";
  color: var(--muted);
  font-size: 0.9rem;
}

.inline-fold[open] > summary::after {
  content: "▴";
}

.inline-fold-body {
  padding: 0 14px 14px;
  display: grid;
  gap: 12px;
}

.background-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

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

.cast-status {
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.78rem;
  font-weight: 700;
}

.cast-status.active {
  background: rgba(135, 240, 209, 0.14);
  color: #d9fff3;
}

.cast-status.inactive {
  background: rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

.cast-field {
  display: grid;
  gap: 6px;
}

.cast-field span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.cast-field input,
.cast-field textarea {
  min-height: auto;
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
}

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

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

.cast-card {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  padding: 14px;
  display: grid;
  gap: 8px;
}

.cast-name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
}

.cast-role {
  margin: 0;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cast-desc,
.cast-speech,
.cast-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.cast-copy {
  width: 100%;
}

.prompt-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.prompt-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.status-label {
  margin: 0 0 4px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.player-name-row {
  display: grid;
  gap: 8px;
}

.player-name-label {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.player-name-row input {
  min-height: auto;
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
}

.player-name-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.status-message {
  margin: 0;
  color: var(--text);
  line-height: 1.6;
}

.progress-wrap {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

progress {
  width: min(420px, 100%);
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  appearance: none;
}

progress::-webkit-progress-bar {
  background: rgba(255, 255, 255, 0.08);
}

progress::-webkit-progress-value {
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.progress-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.status-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.ghost-button,
.secondary-button,
.primary-button {
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 160ms ease,
    opacity 160ms ease,
    background-color 160ms ease;
}

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

.ghost-button:disabled,
.secondary-button:disabled,
.primary-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.ghost-button {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--card-border);
}

.chat-panel {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  background: rgba(4, 11, 20, 0.32);
  min-height: 380px;
  overflow: hidden;
}

.chat-log {
  min-height: 380px;
  max-height: 52vh;
  overflow: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.message-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.message-row.user {
  justify-content: flex-end;
  align-items: flex-end;
}

.message-row.assistant,
.message-row.system {
  justify-content: flex-start;
  align-items: flex-start;
}

.message-bubble {
  max-width: min(680px, 92%);
  padding: 14px 16px;
  border-radius: 18px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid transparent;
}

.message-row.user .message-bubble {
  background: linear-gradient(180deg, rgba(47, 123, 246, 0.9), rgba(34, 96, 213, 0.9));
  color: white;
  border-color: rgba(255, 255, 255, 0.12);
}

.message-row.assistant .message-bubble {
  background: var(--assistant);
  border-color: rgba(255, 255, 255, 0.08);
}

.message-row.system .message-bubble {
  background: rgba(255, 125, 125, 0.12);
  border-color: rgba(255, 125, 125, 0.22);
  color: #ffd5d5;
}

.message-note {
  margin: 0 0 0 4px;
  max-width: min(680px, 92%);
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.composer {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.03);
  padding: 16px;
  display: grid;
  gap: 12px;
}

textarea {
  width: 100%;
  resize: vertical;
  min-height: 110px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(8, 14, 25, 0.88);
  color: var(--text);
  padding: 14px 16px;
  font: inherit;
  line-height: 1.65;
}

textarea:focus {
  outline: 2px solid rgba(79, 211, 255, 0.45);
  outline-offset: 2px;
}

.composer-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.secondary-button,
.primary-button {
  padding: 12px 18px;
}

.secondary-button {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #04111d;
}

.footnote {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.typing {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}

.typing span {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  animation: pulse 1s infinite ease-in-out;
}

.typing span:nth-child(2) {
  animation-delay: 0.15s;
}

.typing span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes pulse {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.45;
  }
  40% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

@media (max-width: 720px) {
  .page-shell {
    padding: 14px;
  }

  .app-card {
    padding: 18px;
    border-radius: 24px;
  }

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

  .status-grid {
    justify-content: flex-start;
  }

  .status-panel,
  .persona-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .cast-list {
    grid-template-columns: 1fr;
  }

  .prompt-tools {
    width: 100%;
  }

  .status-actions {
    justify-content: flex-start;
  }

  .chat-log {
    min-height: 320px;
  }
}