:root {
  --bg: #0f172a;
  --panel-bg: #1e293b;
  --card: #273449;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent-left: #38bdf8;  /* English target highlight */
  --accent-right: #f59e0b; /* Melayu target highlight */
  --original: #334155;
  --translated: #065f46;
  --border: #334155;
  --danger: #f87171;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 16px;
}

header { text-align: center; margin-bottom: 16px; }
header h1 { margin: 0 0 4px; font-size: 1.6rem; }
.subtitle { margin: 0; color: var(--muted); font-size: 0.95rem; }

.warning {
  background: #7f1d1d;
  color: #fecaca;
  border: 1px solid var(--danger);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 16px;
  text-align: center;
}
.hidden { display: none; }

.panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel-header h2 { margin: 0; font-size: 1.2rem; }
.direction {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--card);
  padding: 2px 10px;
  border-radius: 999px;
  margin-top: 4px;
}

.talk-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 100%;
  padding: 18px 12px;
  border: none;
  border-radius: 14px;
  cursor: pointer;
  font-family: inherit;
  color: #fff;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  transition: transform 0.05s ease, filter 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  touch-action: none;
}
.talk-btn .mic { font-size: 1.8rem; }
.talk-btn .label { font-size: 0.8rem; opacity: 0.85; }
.talk-btn .lang { font-size: 1.05rem; font-weight: 600; }

.talk-btn.active {
  filter: brightness(1.2);
  transform: scale(0.98);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.5), 0 6px 20px rgba(239, 68, 68, 0.5);
}
.talk-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.status {
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  min-height: 1.2em;
}

.bubble {
  border-radius: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
}
.bubble-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 4px;
}
.bubble-text {
  font-size: 1.05rem;
  line-height: 1.45;
  min-height: 1.5em;
  white-space: pre-wrap;
  word-break: break-word;
}
.bubble.original { background: var(--original); }
.bubble.translated {
  background: var(--translated);
  border-color: #059669;
}

.log-section {
  position: fixed;
  right: 0;
  top: 0;
  height: 100vh;
  width: 380px;
  max-width: 90vw;
  background: var(--panel-bg);
  border-left: 1px solid var(--border);
  border-radius: 16px 0 0 16px;
  padding: 16px;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  z-index: 50;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: -6px 0 24px rgba(0, 0, 0, 0.35);
}
.log-section.open { transform: translateX(0); }
.log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.log-header h3 { margin: 0; }
.clear-btn {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  font-family: inherit;
}
.clear-btn:hover { background: var(--border); }

.log {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.log:empty::before {
  content: "Belum ada perbualan. Tekan butang bahasa untuk mula.";
  color: var(--muted);
  font-style: italic;
}

.log-entry {
  background: var(--card);
  border-radius: 10px;
  padding: 8px 12px;
  border-left: 4px solid #6366f1;
}
.log-original { color: var(--muted); font-size: 0.9rem; }
.log-translated { color: var(--text); font-size: 1rem; margin-top: 2px; }
.log-flag { margin-right: 4px; }

.log-toggle {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 60;
  width: 56px;
  height: 56px;
  border: 1px solid var(--border);
  border-radius: 999px 0 0 999px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
  transition: transform 0.2s ease;
}
.log-toggle:hover { transform: translateY(-50%) scale(1.06); }
.log-count {
  position: absolute;
  top: 2px;
  right: 4px;
  background: var(--danger);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.log-close {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
}
.log-close:hover { color: var(--text); }

footer {
  max-width: 1100px;
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 0.85rem;
}
.autospeak { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.tts-control {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.tts-control label { color: var(--muted); }
.tts-control select {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}
.hint { margin: 8px 0 0; line-height: 1.5; }

.control-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.lang-label {
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
}
.lang-select {
  flex: 1;
  min-width: 180px;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-family: inherit;
  font-size: 0.95rem;
  cursor: pointer;
}
.lang-select:focus {
  outline: none;
  border-color: #6366f1;
}
.lang-select option {
  background: var(--card);
  color: var(--text);
}
.stt-warn {
  color: var(--danger);
  font-size: 0.75rem;
  margin-top: 4px;
  min-height: 1em;
}

.turn-indicator {
  text-align: center;
  font-size: 1rem;
  color: var(--muted);
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 16px;
  margin: 0 auto 16px;
  max-width: 1100px;
}
.turn-indicator strong { color: #4ade80; }

.mode-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto 16px;
}
.mode-label { color: var(--muted); font-size: 0.9rem; }
.mode-btn {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  transition: background 0.15s ease;
}
.mode-btn:hover { background: var(--border); }
.mode-btn.active {
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  border-color: #6366f1;
  color: #fff;
}
.mode-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.silence-control {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto 16px;
  color: var(--muted);
  font-size: 0.85rem;
}
.silence-control input[type="range"] {
  width: 180px;
  accent-color: #6366f1;
}

.panel.turn-active {
  border-color: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.22);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.log-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.clear-btn { text-decoration: none; display: inline-block; }

.topnav {
  max-width: 1100px;
  margin: 0 auto 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.nav-btn {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-block;
}
.nav-btn:hover { background: var(--border); }
.nav-btn.export { background: #065f46; border-color: #059669; }
.nav-btn.danger { background: #7f1d1d; border-color: var(--danger); color: #fecaca; }

.history-wrap {
  max-width: 1100px;
  margin: 0 auto;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  overflow-x: auto;
}
.history-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.history-table th, .history-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.history-table th {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.history-table .lang-cell { white-space: nowrap; }
.history-table .time-cell { white-space: nowrap; color: var(--muted); }
.history-table .empty { text-align: center; color: var(--muted); padding: 24px; }
.row-del { background: transparent; border: none; cursor: pointer; font-size: 1rem; }
.row-del:hover { transform: scale(1.2); }

@media (max-width: 720px) {
  .panels { grid-template-columns: 1fr; }
  .log-section { width: 100%; max-width: 100%; }
}