/* ===== Translate Page Layout ===== */
.translate-toolbar { display: flex; align-items: center; gap: 12px; }
.translate-layout { display: flex; height: calc(100vh - 64px); overflow: hidden; }
.translate-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

/* ===== Control Bar ===== */
.control-bar { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--bg-card); gap: 16px; flex-wrap: wrap; }

/* ===== Translation Area ===== */
.trans-area { flex: 1; overflow: hidden; display: flex; flex-direction: column; }
.trans-dual { flex: 1; display: grid; grid-template-columns: 1fr 2px 1fr; overflow: hidden; min-height: 0; }
.trans-single { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-height: 0; }
.trans-col { display: flex; flex-direction: column; overflow: hidden; min-height: 0; }
.trans-col-header { display: flex; align-items: center; justify-content: space-between; padding: 10px 20px; background: var(--bg); border-bottom: 1px solid var(--border); font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); flex-shrink: 0; }
.trans-content { flex: 1; overflow-y: auto; padding: 16px 20px; display: flex; flex-direction: column; gap: 12px; }
.trans-divider { width: 2px; background: var(--border); }

/* ===== Transcript Items ===== */
.trans-item { padding: 12px 16px; border-radius: var(--radius-md); background: var(--bg); border: 1px solid var(--border); animation: fadeUp 0.3s ease; }
.trans-item.latest { border-color: var(--primary); background: var(--primary-light); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.trans-item-time { font-size: 0.72rem; color: var(--text-muted); margin-bottom: 4px; font-family: monospace; }
.trans-item-text { font-size: 0.95rem; line-height: 1.65; color: var(--text-primary); }
.trans-item.loading .trans-item-text { display: flex; align-items: center; gap: 8px; color: var(--text-muted); }

/* ===== Placeholder ===== */
.trans-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; gap: 12px; color: var(--text-muted); font-size: 0.875rem; text-align: center; padding: 40px; }

/* ===== Mode Toggle ===== */
.mode-toggle { display: flex; background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.mode-btn { display: flex; align-items: center; gap: 5px; padding: 6px 12px; font-size: 0.8rem; font-weight: 600; border: none; background: transparent; color: var(--text-secondary); cursor: pointer; transition: var(--transition); }
.mode-btn.active { background: var(--primary); color: white; }

/* ===== Lang Swap ===== */
.lang-swap-btn { display: flex; align-items: center; justify-content: center; padding: 6px 10px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-card); color: var(--text-secondary); cursor: pointer; transition: var(--transition); position: relative; z-index: 2; }
.lang-swap-btn:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.lang-swap-btn:active { transform: scale(0.95); }

/* ===== Quick Note Bar ===== */
.quick-note-bar { background: var(--bg-card); border-top: 1px solid var(--border); max-height: 200px; flex-shrink: 0; display: flex; flex-direction: column; transition: max-height 0.3s ease; overflow: hidden; }
.quick-note-bar.collapsed { max-height: 48px; }
.quick-note-header { display: flex; align-items: center; justify-content: space-between; padding: 10px 20px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.quick-note-content { padding: 12px 20px; overflow-y: auto; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.note-keyword { display: inline-block; padding: 2px 10px; background: #FEF9C3; border-radius: 4px; font-size: 0.82rem; font-weight: 600; color: #92400E; margin: 0 3px; }

/* ===== Interim / Translating States ===== */
.trans-item.interim { opacity: 0.6; border-style: dashed; border-color: var(--border); background: var(--bg); }
.trans-item.interim .trans-item-text { color: var(--text-secondary); font-style: italic; }
.trans-item.translating .trans-item-text::after { content: ''; display: inline-block; width: 12px; height: 12px; border: 2px solid var(--primary); border-top-color: transparent; border-radius: 50%; animation: spin 0.8s linear infinite; margin-left: 8px; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Manual Input Bar ===== */
.manual-input-bar { display: flex; gap: 8px; padding: 10px 16px; border-top: 1px solid var(--border); background: var(--bg-card); flex-shrink: 0; }
.manual-input-bar .form-input { border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 8px 12px; }
.manual-input-bar .form-input:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }

/* ===== Speech Status Banner ===== */
.speech-status-banner { padding: 8px 16px; font-size: 0.8rem; text-align: center; flex-shrink: 0; border-bottom: 1px solid var(--border); }
.speech-status-banner.ok { background: #ECFDF5; color: #065F46; }
.speech-status-banner.fail { background: #FEF2F2; color: #991B1B; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .trans-dual { grid-template-columns: 1fr; grid-template-rows: 1fr 2px 1fr; }
  .trans-divider { width: 100%; height: 2px; }
  .translate-toolbar { display: none; }
}