:root {
  --bg: #09090b;
  --bg-card: #18181b;
  --bg-input: #09090b;
  --border: #27272a;
  --border-focus: #3f3f46;
  --text: #fafafa;
  --text-dim: #a1a1aa;
  --text-muted: #52525b;
  
  --blue: #3b82f6;
  --green: #10b981;
  --amber: #f59e0b;
  --red: #ef4444;
  
  --radius: 4px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --transition: all 0.15s ease;
}

/* Light theme variables */
body.light-theme {
  --bg: #ffffff;
  --bg-card: #f4f4f5;
  --bg-input: #ffffff;
  --border: #e4e4e7;
  --border-focus: #a1a1aa;
  --text: #09090b;
  --text-dim: #71717a;
  --text-muted: #a1a1aa;
}

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 12px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ---- Header ---- */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  gap: 1.5rem;
}

.header-logo {
  display: flex;
  flex-direction: column;
}

.header-logo h1 {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text);
}

.header-subtitle {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 1px;
}

/* Loaded Rounds Badge Row */
.rounds-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.indicator-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rounds-pills {
  display: flex;
  gap: 0.25rem;
}

.round-pill {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
  background: var(--bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.round-pill.active {
  color: var(--green);
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.05);
}

.round-pill.loading {
  color: var(--blue);
  animation: pulse 1.5s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.header-actions {
  display: flex;
  gap: 0.4rem;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
}

.btn-outline {
  background: var(--bg-card);
  border-color: var(--border);
  color: var(--text-dim);
}

.btn-outline:hover {
  border-color: var(--border-focus);
  color: var(--text);
}

.btn-primary {
  background-color: var(--text);
  color: var(--bg);
  border: none;
}

.btn-primary:hover {
  background-color: #e4e4e7;
}

body.light-theme .btn-primary:hover {
  background-color: #27272a;
  color: #ffffff;
}

.btn-sm {
  padding: 0.25rem 0.55rem;
  font-size: 0.7rem;
}

/* ---- Grid Layout ---- */
.dashboard-grid {
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 1.5rem;
  flex-grow: 1;
  align-items: start;
}

@media (max-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Left Panel: Control Panel ---- */
.control-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.input-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.input-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.input-desc {
  font-size: 0.65rem;
  color: var(--text-muted);
}

textarea {
  width: 100%;
  height: 110px;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.45rem;
  color: var(--text);
  font-family: monospace;
  font-size: 0.7rem;
  resize: vertical;
  line-height: 1.3;
  transition: var(--transition);
}

textarea:focus {
  outline: none;
  border-color: var(--border-focus);
}

.textarea-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.load-status {
  font-size: 0.65rem;
  color: var(--text-muted);
  max-width: 170px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.load-status.success {
  color: var(--green);
  font-weight: 500;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
}

/* Form layouts */
.form-row {
  display: flex;
  gap: 0.5rem;
}

.form-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.field-label {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-select, .form-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.3rem 0.45rem;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.75rem;
  transition: var(--transition);
}

.form-select:focus, .form-input:focus {
  outline: none;
  border-color: var(--border-focus);
}

.mt-sm {
  margin-top: 0.4rem;
}

/* Collapsible Tutorial Accordion */
.tutorial-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  overflow: hidden;
}

.tutorial-header {
  padding: 0.4rem 0.6rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.005);
  transition: var(--transition);
  user-select: none;
}

.tutorial-header:hover {
  background: rgba(255, 255, 255, 0.02);
}

.tutorial-header h3 {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-dim);
}

.toggle-icon {
  font-size: 0.6rem;
  color: var(--text-muted);
  transition: transform 0.15s ease;
}

.tutorial-card.collapsed .toggle-icon {
  transform: rotate(-90deg);
}

.tutorial-body {
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  border-top: 1px solid var(--border);
}

.tutorial-card.collapsed .tutorial-body {
  display: none;
}

.tutorial-body p {
  font-size: 0.65rem;
  color: var(--text-dim);
}

.tutorial-link {
  color: var(--blue);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 500;
  align-self: flex-start;
}

.tutorial-link:hover {
  text-decoration: underline;
}

.qr-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  padding: 0.4rem;
  border-radius: 2px;
  border: 1px solid var(--border);
}

.qr-code {
  width: 44px;
  height: 44px;
  background: #ffffff;
  padding: 2px;
  border-radius: 1px;
}

.qr-caption {
  font-size: 0.6rem;
  color: var(--text-muted);
}

/* ---- Right Column: Analysis Panel ---- */
.analysis-panel {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
}

/* Advisory bar */
.advisory-bar {
  display: flex;
  align-items: center;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.advisory-bar.float { border-color: rgba(16, 185, 129, 0.25); }
.advisory-bar.freeze { border-color: rgba(245, 158, 11, 0.25); }
.advisory-bar.danger { border-color: rgba(239, 68, 68, 0.25); }

.advisory-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.advisory-badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
  white-space: nowrap;
  flex-shrink: 0;
}

.advisory-bar.float .advisory-badge { background: rgba(16, 185, 129, 0.08); color: var(--green); }
.advisory-bar.freeze .advisory-badge { background: rgba(245, 158, 11, 0.08); color: var(--amber); }
.advisory-bar.danger .advisory-badge { background: rgba(239, 68, 68, 0.08); color: var(--red); }

.advisory-text {
  font-size: 0.7rem;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---- Comparison Table Card ---- */
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--border);
  gap: 0.75rem;
  flex-wrap: wrap;
}

.table-title h2 {
  font-size: 0.85rem;
  font-weight: 600;
}

.table-subtitle {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.table-controls {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.search-input, .filter-select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.25rem 0.45rem;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.7rem;
  transition: var(--transition);
}

.search-input {
  width: 140px;
}

.search-input:focus, .filter-select:focus {
  outline: none;
  border-color: var(--border-focus);
}

.table-container {
  overflow: auto;
  max-height: calc(100vh - 200px);
  min-height: 200px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
}

.comparison-table th {
  background: var(--bg);
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.65rem;
  padding: 0.45rem 0.65rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.comparison-table td {
  padding: 0.45rem 0.65rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.text-center {
  text-align: center;
}

.comparison-table tbody tr {
  transition: background 0.1s;
}

.comparison-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.015);
}

body.light-theme .comparison-table tbody tr:hover {
  background: rgba(0, 0, 0, 0.015);
}

/* Row states */
.comparison-table tr.allotted-seat {
  background: rgba(245, 158, 11, 0.04) !important;
  border-left: 2px solid var(--amber);
}

body.light-theme .comparison-table tr.allotted-seat {
  background: rgba(245, 158, 11, 0.08) !important;
}

.comparison-table tr.lower-preference {
  opacity: 0.3;
}

.comparison-table tr.lower-preference:hover {
  opacity: 0.6;
}

/* Ranks */
.rank-val {
  font-family: monospace;
  font-weight: 500;
  font-size: 0.7rem;
}

/* Gap tags */
.gap {
  font-size: 0.65rem;
  font-weight: 500;
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
  display: inline-block;
  text-align: center;
  min-width: 44px;
}

.gap.pos { background: rgba(16, 185, 129, 0.08); color: var(--green); }
.gap.close { background: rgba(245, 158, 11, 0.08); color: var(--amber); }
.gap.neg { background: rgba(239, 68, 68, 0.08); color: var(--red); }
.gap.none { color: var(--text-muted); }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 2.5rem 1rem !important;
  color: var(--text-muted);
}

/* ---- Footer ---- */
.app-footer {
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* ---- PDF Print Styling ---- */
@media print {
  body {
    background: #ffffff !important;
    color: #111111 !important;
    font-size: 10px !important;
  }

  .app-container {
    padding: 0 !important;
    max-width: 100% !important;
  }

  .app-header,
  .control-panel,
  .advisory-bar,
  .table-controls,
  .app-footer {
    display: none !important;
  }

  .dashboard-grid {
    display: block !important;
  }

  .table-card {
    border: none !important;
    background: transparent !important;
  }

  .table-header {
    border-bottom: 1.5px solid #111111 !important;
    padding: 0 0 0.4rem 0 !important;
  }

  .table-header::before {
    content: 'JoSAA 2026 Choice Cutoff Tracker & Analysis List' !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    display: block !important;
    margin-bottom: 2px !important;
  }

  .table-title h2, .table-subtitle {
    display: none !important;
  }

  .table-container {
    max-height: none !important;
    overflow: visible !important;
  }

  .comparison-table {
    font-size: 9px !important;
    width: 100% !important;
  }

  .comparison-table th {
    background: #f4f4f5 !important;
    color: #111111 !important;
    border-bottom: 1px solid #555555 !important;
    position: static !important;
  }

  .comparison-table td {
    border-bottom: 1px solid #e4e4e7 !important;
    color: #111111 !important;
    padding: 0.3rem 0.4rem !important;
  }

  .comparison-table tr.allotted-seat {
    background: #fffbeb !important;
    border-left: 2px solid #f59e0b !important;
  }

  .comparison-table tr.lower-preference {
    opacity: 0.4 !important;
  }

  .gap {
    border: 1px solid #e4e4e7 !important;
  }
  .gap.pos { background: #ecfdf5 !important; color: #059669 !important; }
  .gap.close { background: #fffbeb !important; color: #d97706 !important; }
  .gap.neg { background: #fef2f2 !important; color: #dc2626 !important; }
  .gap.none { color: #71717a !important; }

  .rank-val {
    font-weight: 600 !important;
  }
}