:root {
  color-scheme: light;
  --bg: #f9f4e9;
  --panel: #fffdf7;
  --ink: #2f2219;
  --accent: #a84d2f;
  --border: #dfceb0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at top, #fff7e7 0%, var(--bg) 45%, #efe3cb 100%);
  color: var(--ink);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

.app-header {
  padding: 20px 24px 8px;
}

.app-header h1 {
  margin: 0;
  font-size: 30px;
}

.subtitle {
  margin: 6px 0 0;
  color: #6f5242;
}

.layout {
  display: grid;
  grid-template-columns: 360px 1fr 320px;
  gap: 14px;
  padding: 14px 24px 24px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 8px 24px rgb(66 43 17 / 8%);
}

label {
  display: block;
  font-size: 12px;
  margin-bottom: 4px;
  color: #644536;
}

input,
select,
textarea {
  width: 100%;
  margin-bottom: 10px;
  border: 1px solid #c4a98a;
  border-radius: 8px;
  padding: 8px;
  background: #fff6e6;
  color: var(--ink);
  font: inherit;
}

textarea {
  resize: vertical;
  min-height: 88px;
}

#stage-canvas {
  width: 100%;
  height: auto;
  flex: 1;
  min-height: 0;
  object-fit: contain;
  border-radius: 8px;
  border: 1px solid #d8c6a8;
  background: linear-gradient(180deg, #2f1a14 0%, #5c2f1d 50%, #29160f 100%);
}

button {
  margin-right: 8px;
  margin-bottom: 8px;
  border: 1px solid #9b6a50;
  background: linear-gradient(180deg, #f4d9b7 0%, #e9c392 100%);
  color: #3f2418;
  border-radius: 8px;
  padding: 8px 12px;
  font-weight: 600;
  cursor: pointer;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

#casting-output {
  margin-top: 8px;
  min-height: 120px;
  padding: 10px;
  border-radius: 8px;
  border: 1px dashed #b99a79;
  background: #fff8eb;
}

#casting-options {
  margin-top: 10px;
}

.casting-character {
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #ecd8bb;
}

.casting-character h4 {
  margin: 0 0 6px;
  font-size: 14px;
}

.candidate-option {
  display: inline-block;
  margin: 0 6px 6px 0;
  border-radius: 999px;
  padding: 5px 10px;
  border: 1px solid #b58a6b;
  background: #f5e4ca;
  font-size: 12px;
  cursor: pointer;
}

.candidate-option.selected {
  border-color: #7a3c25;
  background: #e4b380;
  color: #3a1c12;
  font-weight: 700;
}

@media (max-width: 1080px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

/* ===== Tab navigation ===== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  flex-shrink: 0;
}

.app-header__tabs {
  display: flex;
  gap: 8px;
}

.tab-btn {
  border: 1px solid #9b6a50;
  background: transparent;
  color: #6f5242;
  border-radius: 8px;
  padding: 6px 14px;
  font-weight: 500;
  cursor: pointer;
  font-size: 14px;
}

.tab-btn--active {
  background: linear-gradient(180deg, #f4d9b7 0%, #e9c392 100%);
  color: #3f2418;
  font-weight: 700;
}

/* ===== Layout variants ===== */
.layout--chat {
  grid-template-columns: 380px 1fr;
  grid-template-rows: 1fr;
  flex: 1;
  min-height: 0; /* critical: allows grid to shrink below content size */
  padding-bottom: 14px;
}

.layout--studio {
  grid-template-columns: 360px 1fr 320px;
  flex: 1;
  min-height: 0;
}

.hidden {
  display: none !important;
}

/* ===== Chat panel ===== */
.panel--chat {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.chat-header h2 {
  margin: 0;
  font-size: 16px;
}

.chat-connection-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #6f5242;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot--connected { background: #4caf50; }
.status-dot--disconnected { background: #e57373; }
.status-dot--connecting { background: #ffa726; }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px 2px;
}

.chat-welcome {
  text-align: center;
  padding: 20px 10px;
  color: #6f5242;
}

.chat-welcome__icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.chat-welcome p {
  margin: 0 0 10px;
  line-height: 1.5;
}

.chat-welcome__hint {
  font-size: 13px;
  opacity: 0.8;
}

/* Chat bubbles */
.chat-bubble {
  max-width: 92%;
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
  word-break: break-word;
}

.chat-bubble--agent {
  align-self: flex-start;
  background: var(--panel);
  border: 1px solid var(--border);
}

.chat-bubble--user {
  align-self: flex-end;
  background: linear-gradient(135deg, #c97d4b, #a84d2f);
  color: #fff8ef;
  border: none;
}

.chat-bubble--error {
  align-self: flex-start;
  background: #fff0f0;
  border: 1px solid #ffb3b3;
}

.chat-text--error {
  color: #c62828;
}

/* Image bubbles */
.chat-image {
  margin: 0;
  max-width: 100%;
}

.chat-image img {
  max-width: 100%;
  border-radius: 8px;
  display: block;
}

.chat-image figcaption {
  font-size: 12px;
  color: #6f5242;
  margin-top: 4px;
  font-style: italic;
}

/* Audio bubbles */
.chat-audio {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chat-audio__label {
  font-size: 12px;
  color: #6f5242;
}

.chat-audio audio {
  width: 100%;
  height: 32px;
}

/* Approval card */
.chat-approval-card {
  background: #fffbf3;
  border: 1px solid #e8c87a;
  border-radius: 10px;
  padding: 10px;
}

.chat-approval-card__context {
  margin: 0 0 8px;
  font-size: 13px;
  color: #4a3020;
}

.chat-approval-card__choices {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chat-approval-btn {
  border: 1px solid #b58a6b;
  background: #f5e4ca;
  color: #3f2418;
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
  cursor: pointer;
  margin: 0;
}

.chat-approval-btn:hover {
  background: #e9c392;
}

.chat-approval-btn--selected {
  background: linear-gradient(135deg, #c97d4b, #a84d2f);
  color: #fff8ef;
  border-color: #7a3c25;
  font-weight: 700;
}

.chat-approval-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

/* Play banner */
.chat-play-banner {
  background: linear-gradient(135deg, #2f1a14, #5c2f1d);
  color: #ffd89b;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 14px;
  text-align: center;
}

/* Chat status line */
.chat-status {
  font-size: 12px;
  text-align: center;
  color: #9b6a50;
  padding: 4px;
  flex-shrink: 0;
}

/* Chat input form */
.chat-input-form {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.chat-input-form input {
  flex: 1;
  margin: 0;
  border-radius: 999px;
  padding: 8px 14px;
}

.btn-send {
  border: 1px solid #9b6a50;
  background: linear-gradient(180deg, #c97d4b 0%, #a84d2f 100%);
  color: #fff8ef;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  font-size: 16px;
  cursor: pointer;
  padding: 0;
  margin: 0;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== Mic button ===== */
.btn-mic {
  border: 1px solid #9b6a50;
  background: linear-gradient(180deg, #e9d4a8 0%, #d4b37a 100%);
  color: #4a2c18;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  font-size: 16px;
  cursor: pointer;
  padding: 0;
  margin: 0;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.btn-mic:hover {
  background: linear-gradient(180deg, #f5e0b0 0%, #e4c47a 100%);
}

.btn-mic--active {
  background: linear-gradient(180deg, #e57373 0%, #c62828 100%);
  border-color: #b71c1c;
  color: #fff;
  animation: mic-pulse 1s ease-in-out infinite;
}

@keyframes mic-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(198, 40, 40, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(198, 40, 40, 0); }
}

/* ===== Stage panel (chat mode) ===== */
.panel--stage {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.stage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.stage-header h2 {
  margin: 0;
  font-size: 16px;
}

.stage-controls {
  display: flex;
  gap: 8px;
}

.btn-stage {
  border: 1px solid #9b6a50;
  background: #f5e4ca;
  color: #3f2418;
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
  margin: 0;
}

.stage-timeline {
  margin-top: 8px;
  padding: 6px;
  font-size: 12px;
  color: #6f5242;
  background: #fff8eb;
  border-radius: 6px;
  border: 1px dashed #b99a79;
  flex-shrink: 0;
  min-height: 32px;
  word-break: break-word;
}

@media (max-width: 900px) {
  body {
    overflow: auto;
    height: auto;
    min-height: 100vh;
  }

  .layout--chat {
    grid-template-columns: 1fr;
    flex: none;
    min-height: 0;
  }

  .panel--chat {
    height: 55vh;
    min-height: 300px;
  }

  .panel--stage {
    height: 50vw;
    min-height: 220px;
  }
}

/* ===== Thinking indicator ===== */
.chat-thinking {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  align-self: flex-start;
  max-width: 80%;
}

.chat-thinking__dots {
  display: flex;
  gap: 4px;
}

.chat-thinking__dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #a84d2f;
  animation: thinking-bounce 1.2s ease-in-out infinite;
}

.chat-thinking__dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.chat-thinking__dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes thinking-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

.chat-thinking__label {
  font-size: 13px;
  color: #6f5242;
  font-style: italic;
}

/* ===== Disabled input form ===== */
.chat-input-form--disabled {
  opacity: 0.6;
  pointer-events: none;
}