*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #252836;
  --border: #2e3240;
  --text: #e4e6eb;
  --text2: #8b8fa3;
  --primary: #6c5ce7;
  --primary-hover: #7c6ef7;
  --danger: #e74c3c;
  --success: #2ecc71;
  --user-bg: #2d5aa0;
  --bot-bg: #2e3240;
  --radius: 10px;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* ---------- layout ---------- */

.app { display: flex; flex-direction: column; height: 100vh; }

.app-header {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.app-header h1 { font-size: 18px; font-weight: 600; letter-spacing: .3px; }

.scene-tabs { display: flex; gap: 4px; background: var(--surface2); padding: 3px; border-radius: 8px; }
.scene-tab {
  padding: 6px 14px; border: none; background: transparent;
  color: var(--text2); font-size: 13px; cursor: pointer; border-radius: 6px;
  transition: background .15s, color .15s;
}
.scene-tab:hover { color: var(--text); }
.scene-tab.active { background: var(--primary); color: #fff; }

.status-bar { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text2); }
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #555; transition: background .3s, box-shadow .3s;
}
.status-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); }

.main-layout { display: flex; flex: 1; overflow: hidden; }

/* ---------- settings ---------- */

.settings-panel {
  width: 280px; padding: 20px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto; flex-shrink: 0;
  display: flex; flex-direction: column; gap: 4px;
}
.settings-panel h2 { font-size: 14px; margin-bottom: 10px; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 12px; color: var(--text2); margin-bottom: 5px; }
.form-group select,
.form-group textarea,
.form-group input[type="text"] {
  width: 100%; padding: 8px 10px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-size: 13px;
  resize: vertical; transition: border-color .2s;
}
.form-group select:focus,
.form-group textarea:focus,
.form-group input[type="text"]:focus { outline: none; border-color: var(--primary); }
.form-group select:disabled,
.form-group textarea:disabled,
.form-group input:disabled { opacity: .5; cursor: not-allowed; }

.form-group .hint {
  font-size: 11px; color: var(--text2); margin-top: 4px; line-height: 1.4;
}
.form-group input[type="range"] {
  width: 100%; accent-color: var(--primary);
}
.form-group input[type="checkbox"] {
  margin-right: 6px; accent-color: var(--primary);
}
.form-group label:has(input[type="checkbox"]) {
  display: flex; align-items: center; cursor: pointer;
  color: var(--text); font-size: 13px;
}
.form-group.hidden { display: none; }

.scene-panel { display: flex; flex-direction: column; gap: 0; flex: 1; }
.scene-panel.hidden { display: none; }
.form-group input[type="file"] {
  width: 100%; font-size: 12px; color: var(--text2);
  padding: 6px 0;
}

/* ---------- subtitles (translate) ---------- */

.subtitles-area {
  display: flex; flex-direction: column; gap: 10px;
  padding: 16px 20px; background: var(--surface);
  border-bottom: 1px solid var(--border);
  max-height: 45%;
}
.subtitles-area.hidden { display: none; }
.subtitle-box {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px;
}
.subtitle-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: 1px;
  color: var(--text2); margin-bottom: 4px;
}
.subtitle-text {
  font-size: 15px; line-height: 1.5; min-height: 22px;
  white-space: pre-wrap;
}
.subtitle-text .interim { opacity: .55; font-style: italic; }

/* ---------- voices panel (clone list) ---------- */

.voices-area {
  flex: 1; overflow-y: auto; padding: 16px 20px;
}
.voices-area.hidden { display: none; }
.voices-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.voices-header h3 { font-size: 14px; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; }
.voices-list { display: flex; flex-direction: column; gap: 8px; }

.voice-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 14px;
  display: grid; grid-template-columns: 1fr auto; gap: 8px 12px;
  align-items: center;
}
.voice-card .v-label { font-size: 14px; font-weight: 500; }
.voice-card .v-sid { font-size: 11px; color: var(--text2); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.voice-card .v-meta { font-size: 11px; color: var(--text2); grid-column: 1 / -1; }
.voice-card .v-actions { display: flex; gap: 6px; }
.voice-card .btn-sm { padding: 4px 10px; font-size: 12px; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  font-size: 11px; letter-spacing: .5px;
}
.badge-training { background: rgba(245,166,35,.2); color: #f5a623; }
.badge-success,
.badge-active  { background: rgba(46,204,113,.18); color: #2ecc71; }
.badge-failed,
.badge-notfound { background: rgba(231,76,60,.18); color: #e74c3c; }
.badge-unknown  { background: var(--surface2); color: var(--text2); }

.voices-empty {
  text-align: center; color: var(--text2); font-size: 13px;
  padding: 30px 10px; border: 1px dashed var(--border); border-radius: 8px;
}

/* ---------- chat ---------- */

.chat-panel { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.chat-area {
  flex: 1; overflow-y: auto; padding: 20px;
  display: flex; flex-direction: column; gap: 12px;
}

.message {
  max-width: 78%; padding: 10px 14px;
  border-radius: var(--radius); font-size: 14px;
  line-height: 1.6; word-break: break-word;
  animation: msgIn .25s ease;
}
@keyframes msgIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.message.user { align-self: flex-end; background: var(--user-bg); border-bottom-right-radius: 3px; }
.message.bot  { align-self: flex-start; background: var(--bot-bg); border-bottom-left-radius: 3px; }
.message.system {
  align-self: center; background: transparent;
  color: var(--text2); font-size: 12px; padding: 4px 0;
}
.msg-role { display: block; font-size: 11px; color: var(--text2); margin-bottom: 3px; }
.msg-text { white-space: pre-wrap; }

/* ---------- control bar ---------- */

.control-bar {
  padding: 14px 20px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 10px;
}

.volume-indicator { height: 3px; background: var(--surface2); border-radius: 2px; overflow: hidden; }
.volume-fill {
  height: 100%; width: 0%; border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--success));
  transition: width .08s linear;
}

.controls { display: flex; justify-content: center; gap: 12px; }

.btn {
  padding: 8px 20px; border: none; border-radius: 6px;
  font-size: 13px; cursor: pointer; color: #fff;
  transition: background .15s, transform .1s, opacity .2s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:active:not(:disabled) { transform: scale(.97); }
.btn-primary { background: var(--primary); }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-danger  { background: var(--danger); }
.btn-danger:hover:not(:disabled) { background: #c0392b; }
.btn-sm { padding: 6px 14px; }
.btn-block { width: 100%; justify-content: center; margin-top: auto; }

.mic-btn { background: var(--surface2); font-size: 14px; }
.mic-btn:hover:not(:disabled) { background: var(--border); }
.mic-btn.active { background: var(--danger); }
.mic-btn.active:hover { background: #c0392b; }

.rec-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #fff; animation: blink 1s infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .3; } }

.ptt-btn {
  background: var(--surface2); padding: 16px 36px;
  font-size: 15px; border-radius: 30px;
  user-select: none; -webkit-user-select: none;
}
.ptt-btn.active { background: var(--primary); box-shadow: 0 0 24px rgba(108,92,231,.5); }

.text-input-row { display: flex; gap: 8px; }
.text-input-row input {
  flex: 1; padding: 8px 12px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-size: 13px;
  transition: border-color .2s;
}
.text-input-row input:focus { outline: none; border-color: var(--primary); }
.text-input-row input:disabled { opacity: .45; }

/* ---------- responsive ---------- */

@media (max-width: 768px) {
  .main-layout { flex-direction: column; }
  .settings-panel {
    width: 100%; border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 35vh; flex-direction: row; flex-wrap: wrap; gap: 10px;
    padding: 14px;
  }
  .settings-panel h2 { width: 100%; margin-bottom: 4px; }
  .form-group { flex: 1; min-width: 140px; margin-bottom: 6px; }
  .btn-block { width: auto; margin-top: 0; }
  .message { max-width: 90%; }
}