/* ===========================
   SchedulAI - Recommend Page
   Light Theme
=========================== */

/* ===== Page Layout ===== */
.recommend-page {
  min-height: 100vh;
  background: var(--bg-base);
  padding-top: 64px;
  display: flex;
  flex-direction: column;
}

.recommend-header {
  padding: 28px clamp(16px,4vw,48px) 0;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.recommend-header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.recommend-header p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.recommend-body {
  flex: 1;
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 0;
  max-width: 1200px;
  margin: 24px auto;
  width: 100%;
  padding: 0 clamp(16px,4vw,48px) 40px;
  align-items: start;
}

/* ===== Input Panel ===== */
.input-panel {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 88px;
}

.input-panel-header {
  padding: 20px 24px 0;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.input-panel-header h2 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Input Mode Tabs */
.mode-tabs {
  display: flex;
  background: var(--bg-subtle);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
}

.mode-tab {
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

.mode-tab.active {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 1px 4px rgba(79,110,247,0.12);
}

/* Input area body */
.input-panel-body { padding: 20px 24px; }

/* Quick examples */
.quick-examples {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.quick-chip {
  padding: 5px 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.quick-chip:hover {
  background: var(--primary-light);
  border-color: rgba(79,110,247,0.3);
  color: var(--primary);
}

/* TEXT INPUT area */
.text-input-area { display: flex; flex-direction: column; gap: 10px; }

.textarea-wrap { position: relative; }

textarea#textInput {
  width: 100%;
  min-height: 120px;
  background: var(--bg-subtle);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 0.9rem;
  color: var(--text-primary);
  resize: none;
  line-height: 1.6;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

textarea#textInput:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(79,110,247,0.08);
}

textarea#textInput::placeholder { color: var(--text-muted); }

.char-count {
  position: absolute;
  bottom: 8px;
  right: 10px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* VOICE INPUT area */
.voice-input-area { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 8px 0; }

.mic-wrapper { position: relative; display: flex; align-items: center; justify-content: center; }

.mic-pulse {
  position: absolute;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: rgba(79,110,247,0.12);
  animation: mic-pulse 1.5s ease-in-out infinite;
  opacity: 0;
}

.mic-pulse.recording { opacity: 1; }

@keyframes mic-pulse {
  0% { transform: scale(0.95); opacity: 0.5; }
  70% { transform: scale(1.15); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}

.mic-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 16px rgba(79,110,247,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.mic-btn:hover { transform: scale(1.06); box-shadow: 0 6px 20px rgba(79,110,247,0.4); }
.mic-btn.recording {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 4px 16px rgba(239,68,68,0.35);
  animation: mic-recording 1s ease-in-out infinite;
}

@keyframes mic-recording {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

.mic-btn.processing { opacity: 0.7; cursor: not-allowed; }

.voice-status {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  min-height: 20px;
}

.voice-status.active { color: var(--primary); font-weight: 600; }
.voice-status.error { color: var(--error); }
.voice-status.success { color: var(--success); }

/* Voice transcript */
.voice-transcript {
  width: 100%;
  background: var(--bg-subtle);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 0.88rem;
  color: var(--text-primary);
  min-height: 64px;
  line-height: 1.6;
  display: none;
}

.voice-transcript.show { display: block; }
.voice-transcript .interim { color: var(--text-muted); font-style: italic; }

/* Voice actions */
.voice-actions { display: flex; gap: 8px; width: 100%; display: none; }
.voice-actions.show { display: flex; }

/* Unsupported notice */
.unsupported-notice {
  background: var(--warning-light);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.83rem;
  color: #92400e;
  text-align: center;
  display: none;
}
.unsupported-notice.show { display: block; }

/* Settings */
.settings-section {
  border-top: 1px solid var(--border-light);
  padding: 16px 24px;
}

.settings-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.settings-title::after {
  content: '▾';
  margin-left: auto;
  transition: transform var(--transition-fast);
}

.settings-title.collapsed::after { transform: rotate(-90deg); }

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.settings-grid.hidden { display: none; }

.setting-item label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.setting-item select,
.setting-item input[type="text"] {
  width: 100%;
  padding: 7px 10px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--text-primary);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.setting-item select:focus,
.setting-item input[type="text"]:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 2px rgba(79,110,247,0.08);
}

/* Data Sources */
.sources-section {
  border-top: 1px solid var(--border-light);
  padding: 16px 24px;
}

.sources-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.sources-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.source-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  font-size: 0.78rem;
}

.source-item .src-icon { font-size: 1rem; }
.source-item .src-name { font-weight: 600; color: var(--text-primary); flex: 1; }
.source-item .src-status {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
}

.source-item.active { border-color: rgba(79,110,247,0.2); background: var(--primary-light); }
.source-item.active .src-status { color: var(--primary); }
.source-item.done .src-status { color: var(--success); }

/* Analyze button */
.analyze-section { padding: 16px 24px 24px; }

.btn-analyze {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 14px rgba(79,110,247,0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-analyze:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79,110,247,0.38);
}

.btn-analyze:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.shortcut-hint {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ===== Result Panel ===== */
.result-panel {
  padding-left: 24px;
  min-height: 400px;
}

/* Idle state */
.result-idle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 400px;
  color: var(--text-muted);
  gap: 14px;
}

.idle-icon { font-size: 3rem; }
.idle-title { font-size: 1.05rem; font-weight: 700; color: var(--text-secondary); }
.idle-desc { font-size: 0.85rem; line-height: 1.6; max-width: 300px; }

/* Loading state */
.result-loading {
  display: none;
  flex-direction: column;
  gap: 20px;
  padding: 24px;
  background: #fff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
}

.loading-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.loading-spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--primary-light);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.loading-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.loading-steps { display: flex; flex-direction: column; gap: 10px; }

.loading-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  font-size: 0.83rem;
  color: var(--text-muted);
  transition: all var(--transition-normal);
}

.loading-step.active {
  background: var(--primary-light);
  border-color: rgba(79,110,247,0.2);
  color: var(--primary);
  font-weight: 600;
}

.loading-step.done {
  background: var(--success-light);
  border-color: rgba(34,197,94,0.2);
  color: #166534;
}

.loading-step .step-icon { font-size: 1rem; min-width: 20px; }

/* Result state */
.result-success { display: none; flex-direction: column; gap: 20px; }

/* Result summary card */
.result-summary {
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  border: 1px solid rgba(79,110,247,0.15);
  border-radius: var(--radius-xl);
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.summary-icon { font-size: 2rem; flex-shrink: 0; margin-top: 2px; }

.summary-text h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.summary-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.summary-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }

/* Course timeline */
.course-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.course-header {
  padding: 18px 24px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.course-header h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.course-items { padding: 20px 24px; display: flex; flex-direction: column; gap: 0; }

.course-item {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
  position: relative;
}

.course-item:last-child { border-bottom: none; }

.ci-time {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
  min-width: 48px;
  padding-top: 2px;
}

.ci-dot {
  width: 10px; height: 10px;
  background: var(--primary);
  border-radius: 50%;
  margin-top: 4px;
  flex-shrink: 0;
  position: relative;
}

.ci-dot::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100%;
  background: var(--border-color);
}

.course-item:last-child .ci-dot::after { display: none; }

.ci-body { flex: 1; }

.ci-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.ci-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.ci-tags { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 6px; }

.ci-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: var(--radius-full);
}

.ci-emoji { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }

/* Data analysis chips */
.analysis-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
}

.analysis-card h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.analysis-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }

.analysis-source {
  padding: 10px 12px;
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.as-icon { font-size: 1rem; flex-shrink: 0; }
.as-label { font-size: 0.75rem; font-weight: 700; color: var(--text-primary); }
.as-val { font-size: 0.72rem; color: var(--text-secondary); margin-top: 1px; }

/* Action row */
.result-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,28,63,0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 32px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(15,28,63,0.18);
  transform: scale(0.95) translateY(12px);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.modal p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.modal-options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }

.modal-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: #fff;
}

.modal-option:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.mo-icon { font-size: 1.3rem; flex-shrink: 0; }
.mo-label { font-size: 0.88rem; font-weight: 600; color: var(--text-primary); }
.mo-desc { font-size: 0.75rem; color: var(--text-muted); margin-top: 1px; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .recommend-body {
    grid-template-columns: 1fr;
  }

  .input-panel { position: static; }

  .result-panel { padding-left: 0; padding-top: 20px; }

  .analysis-grid { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .settings-grid { grid-template-columns: 1fr; }
  .sources-grid { grid-template-columns: 1fr; }
  .result-actions { flex-direction: column; }
  .result-actions .btn { width: 100%; justify-content: center; }
}