:root {
  --bg-main: #0b0f19;
  --bg-card: #151d30;
  --bg-card-hover: #1c2640;
  --border-color: #273553;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --color-cyan: #3FD8E6;
  --color-yellow: #FFBE3D;
  --color-confirmed: #3FD8E6;
  --color-candidate: #FFBE3D;
  --color-green: #38D492;
  --color-purple: #8b5cf6;
  --color-red: #FF5F6E;
  --color-blue: #3b82f6;
  --radius: 8px;
  --font-thai: 'IBM Plex Sans Thai', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html, body {
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
}

body {
  font-family: var(--font-thai);
  background-color: var(--bg-main);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 6px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  height: 52px;
  flex-shrink: 0;
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.15rem;
}

.logo-text .badge {
  background-color: var(--color-cyan);
  color: #000;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

select, input[type="text"], input[type="number"] {
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 10px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
}

select:focus, input:focus {
  border-color: var(--color-cyan);
}

.header-center {
  flex: 1;
  max-width: 320px;
}

.progress-container {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.progress-bar-bg {
  flex: 1;
  height: 8px;
  background-color: var(--bg-main);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-green));
  transition: width 0.3s ease;
}

.reviewer-input {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
}

.reviewer-input input {
  width: 130px;
}

/* Buttons */
.btn {
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-primary {
  background-color: var(--color-cyan);
  color: #000;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: #22d3ee;
}

.btn-secondary {
  background-color: var(--bg-card-hover);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: #263556;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

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

.btn-sm {
  padding: 4px 10px;
  font-size: 0.78rem;
}

.btn-xs {
  padding: 2px 7px;
  font-size: 0.68rem;
  font-weight: 500;
  border-radius: 4px;
}

.btn-outline-danger {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.5);
  color: #fca5a5;
}

.btn-outline-danger:hover {
  background: rgba(239, 68, 68, 0.3);
  border-color: #ef4444;
  color: #ffffff;
}

.btn-outline-success {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.5);
  color: #6ee7b7;
}

.btn-outline-success:hover {
  background: rgba(16, 185, 129, 0.3);
  border-color: #10b981;
  color: #ffffff;
}

.btn-outline-warning {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.5);
  color: #fbbf24;
}

.btn-outline-warning:hover {
  background: rgba(245, 158, 11, 0.3);
  border-color: #f59e0b;
  color: #ffffff;
}

.btn-warning {
  background: #f59e0b;
  border: 1px solid #d97706;
  color: #0f172a;
  font-weight: 700;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
}

.btn-warning:hover {
  background: #d97706;
  color: #ffffff;
}

.fn-banner {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid #f59e0b;
  color: #fde68a;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  margin-bottom: 10px;
  line-height: 1.4;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.15);
  animation: fadeIn 0.2s ease;
}

.pill-del-btn {
  margin-left: 5px;
  color: #94a3b8;
  font-size: 10px;
  font-weight: bold;
  line-height: 1;
  padding: 1px 4px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.12s ease;
}

.pill-del-btn:hover {
  background: #ef4444;
  color: #ffffff;
}

.btn-block {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
}

/* Main Layout Grid */
.main-container {
  display: grid;
  grid-template-columns: 1fr 395px;
  gap: 12px;
  padding: 8px 14px;
  flex: 1;
  height: calc(100vh - 52px);
  max-height: calc(100vh - 52px);
  overflow: hidden;
  box-sizing: border-box;
}

/* Viewport Card */
.viewport-section {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.viewport-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  min-height: 0;
  box-sizing: border-box;
}

.canvas-wrapper {
  position: relative;
  background-color: #000;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  flex: 1;
  min-height: 0;
  max-height: calc(100vh - 215px);
  aspect-ratio: 960 / 711;
}

#reviewCanvas {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  cursor: crosshair;
}

.loading-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(11, 15, 25, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 0.9rem;
  z-index: 10;
}

.loading-overlay.hidden {
  display: none;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.box-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: rgba(6, 182, 212, 0.9);
  color: #000;
  padding: 4px 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  pointer-events: none;
}

/* Playback Controls */
.playback-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-main);
  padding: 6px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  font-size: 0.8rem;
  flex-shrink: 0;
}

.ctrl-left, .ctrl-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.time-readout {
  font-family: var(--font-mono);
  color: var(--color-cyan);
  font-weight: 600;
  margin-left: 6px;
  font-size: 0.8rem;
}

/* Timeline */
.timeline-container {
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 6px 10px;
  flex-shrink: 0;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  gap: 8px;
}

.tl-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.tl-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tl-hint {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: normal;
}

.tl-legend {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
}

.leg-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.leg-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.tl-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tl-zoom-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tl-zoom-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(6, 182, 212, 0.12);
  color: var(--color-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 1px 6px;
  border-radius: 4px;
  cursor: default;
}

.btn-xs {
  padding: 2px 7px;
  font-size: 0.68rem;
  border-radius: 4px;
  line-height: 1.2;
  cursor: pointer;
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  transition: all 0.15s ease;
}

.btn-xs:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

.tl-duration {
  font-family: var(--font-mono);
  white-space: nowrap;
  flex-shrink: 0;
}

.timeline-body {
  display: flex;
  gap: 12px;
  align-items: stretch;
}

.timeline-labels {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 65px;
  flex-shrink: 0;
  gap: 8px;
}

.track-label {
  height: 22px;
  display: flex;
  align-items: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.timeline-lanes-wrapper {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
  padding: 0;
  user-select: none;
}

.timeline-lanes-wrapper.scrubbing {
  cursor: ew-resize !important;
}

.track-lane {
  position: relative;
  width: 100%;
  height: 22px;
  background-color: rgba(255, 255, 255, 0.04);
  border-radius: 4px;
  overflow: hidden;
  transition: background-color 0.15s ease;
}

.lane-boxes-lane {
  position: relative;
  background-color: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.canvas-box-ticks {
  width: 100%;
  height: 100%;
  display: block;
}

.timeline-tooltip {
  position: absolute;
  bottom: 100%;
  margin-bottom: 8px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--border-color);
  padding: 5px 9px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  pointer-events: none;
  white-space: nowrap;
  z-index: 100;
  transform: translateX(-50%);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  transition: opacity 0.1s ease;
}

.timeline-lanes-wrapper:hover .track-lane {
  background-color: rgba(255, 255, 255, 0.07);
}

.marker-alert {
  position: absolute;
  top: 2px;
  bottom: 2px;
  border-radius: 2px;
  min-width: 4px;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
}

.marker-alert.unreviewed {
  background-color: var(--color-cyan);
  box-shadow: 0 0 4px var(--color-cyan);
}

.marker-alert.reviewed {
  background-color: #10b981;
  min-width: 8px;
  border-radius: 3px;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.8);
}

.marker-alert:hover {
  filter: brightness(1.3);
  transform: scaleY(1.35) scaleX(1.6);
  z-index: 15;
}

.marker-alert.unreviewed:hover {
  box-shadow: 0 0 10px #3FD8E6;
}

.marker-alert.reviewed:hover {
  box-shadow: 0 0 12px #10b981;
}

.marker-alert .marker-check {
  font-size: 8px;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
  pointer-events: none;
}

.marker-alert.marker-fn {
  background-color: #f59e0b;
  box-shadow: 0 0 6px #f59e0b;
  border: 1px solid #fbbf24;
}

.marker-alert.marker-fn.reviewed {
  background-color: #10b981;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.8);
  border: 1px solid #34d399;
}

.marker-alert .marker-fn-icon {
  font-size: 8px;
  color: #ffffff;
  line-height: 1;
  pointer-events: none;
}

.marker-caliper {
  position: absolute;
  top: 4px;
  width: 14px;
  height: 14px;
  background-color: var(--color-green);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 6px var(--color-green);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
  z-index: 5;
}

.marker-caliper:hover {
  filter: brightness(1.3);
  transform: translateX(-50%) scale(1.35);
  box-shadow: 0 0 12px var(--color-green);
  z-index: 15;
}

.marker-freeze {
  position: absolute;
  top: 3px;
  bottom: 3px;
  background-color: rgba(139, 92, 246, 0.45);
  border: 1px solid var(--color-purple);
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
  z-index: 4;
}

.marker-freeze:hover {
  background-color: rgba(139, 92, 246, 0.75);
  border-color: #c084fc;
  box-shadow: 0 0 10px rgba(192, 132, 252, 0.7);
  z-index: 15;
}

.timeline-playhead {
  position: absolute;
  top: -7px;
  bottom: -7px;
  width: 2px;
  background-color: #ef4444;
  left: 0%;
  pointer-events: auto;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.9);
  z-index: 20;
  transform: translateX(-50%);
  cursor: ew-resize;
  transition: opacity 0.15s ease;
}

.timeline-lanes-wrapper.scrubbing .timeline-playhead {
  transition: none !important;
}

.timeline-playhead.snap-pulse {
  animation: playheadPulse 0.4s ease-out;
}

@keyframes playheadPulse {
  0% {
    box-shadow: 0 0 4px #ef4444;
  }
  40% {
    box-shadow: 0 0 18px #ef4444, 0 0 10px #ffffff;
    width: 3.5px;
  }
  100% {
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.9);
    width: 2px;
  }
}

/* Extended hit-box for easy grabbing */
.timeline-playhead::after {
  content: '';
  position: absolute;
  top: -4px;
  bottom: -4px;
  left: -10px;
  right: -10px;
  cursor: ew-resize;
}

.timeline-playhead::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid #ef4444;
}

/* Sidebar & Cards */
.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 2px;
}

.sidebar-section::-webkit-scrollbar {
  width: 4px;
}
.sidebar-section::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 4px;
}

.card-header-compact {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 4px;
}

.card-header-compact h3 {
  font-size: 0.85rem;
  font-weight: 600;
}

.help-hint {
  font-size: 0.7rem;
  color: var(--color-cyan);
  font-family: var(--font-mono);
}

/* Study Info Card */
.study-card {
  padding: 8px 10px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 0.8rem;
}

.study-meta-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 4px;
}

.study-hn-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
}

.study-hn-wrap #lblHN {
  color: var(--color-cyan);
  font-weight: 700;
}

.study-date-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.study-meta-location {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.study-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px 6px;
}

.clinical-gt-box {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow: hidden;
}

.meta-label {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

.gt-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}

.gt-tag {
  background-color: #2563eb;
  color: #fff;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 600;
}

.study-meta-sub {
  display: flex;
  align-items: center;
  gap: 5px;
}

.ai-metrics {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
}

.ai-class-val {
  color: var(--color-cyan);
  font-weight: 700;
}

.ai-verdict-tag {
  background-color: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--color-yellow);
  color: var(--color-yellow);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.68rem;
  font-weight: 600;
  white-space: nowrap;
}

.pdf-note {
  padding: 4px 6px;
  background-color: rgba(148, 163, 184, 0.08);
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Candidate Box Selector */
.decision-card {
  padding: 8px 10px;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.box-selection-section {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px 6px;
  margin-bottom: 0;
}

.box-sel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.box-sel-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: rgba(6, 182, 212, 0.15);
  color: var(--color-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 0 5px;
  border-radius: 8px;
}

.box-pills-list {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.box-pill-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.68rem;
  font-family: var(--font-mono);
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
}

.box-pill-btn:hover {
  border-color: var(--color-cyan);
  background: rgba(6, 182, 212, 0.08);
}

.box-pill-btn.active {
  border-color: var(--color-cyan);
  background: rgba(6, 182, 212, 0.2);
  font-weight: 700;
  color: #fff;
  box-shadow: 0 0 6px rgba(6, 182, 212, 0.4);
}

.box-pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

/* Decision Action Grid (3 columns x 2 rows) */
.verdict-button-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin-bottom: 0;
}

.v-btn {
  background-color: var(--bg-card-hover);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 3px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-main);
  transition: all 0.15s ease;
  min-height: 44px;
}

.v-btn .v-key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-cyan);
  font-weight: 700;
  line-height: 1;
}

.v-btn .v-title {
  font-size: 0.74rem;
  margin-top: 2px;
  font-weight: 500;
  line-height: 1.1;
  white-space: nowrap;
}

.v-btn:hover {
  background-color: #243254;
  border-color: var(--color-cyan);
}

.v-btn.selected {
  border-width: 2px;
}

.v-btn-lesion.selected {
  background-color: rgba(16, 185, 129, 0.2);
  border-color: var(--color-green);
}

.v-btn-unsure.selected {
  background-color: rgba(245, 158, 11, 0.2);
  border-color: var(--color-yellow);
}

.v-btn-structure.selected {
  background-color: rgba(59, 130, 246, 0.2);
  border-color: var(--color-blue);
}

.v-btn-off.selected, .v-btn-bad.selected {
  background-color: rgba(239, 68, 68, 0.2);
  border-color: var(--color-red);
}

.v-btn-unrecorded.selected {
  background-color: rgba(139, 92, 246, 0.2);
  border-color: var(--color-purple);
}

/* Sub Panels (Class & Structure) */
.sub-panel {
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  padding: 5px 6px;
  margin-bottom: 0;
}

.sub-panel label {
  font-size: 0.7rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 3px;
}

.class-btn-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.class-btn-grid .c-btn {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 4px 2px;
  font-size: 0.68rem;
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--font-mono);
}

.c-btn.selected {
  background-color: var(--color-cyan);
  color: #000;
  font-weight: 700;
}

.structure-btn-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.s-btn {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 3px 6px;
  font-size: 0.68rem;
  border-radius: 3px;
  cursor: pointer;
}

.s-btn.selected {
  background-color: var(--color-blue);
  color: #fff;
  font-weight: 600;
}

/* Meta Inputs (Tolerance & Note) */
.meta-inputs-row {
  display: grid;
  grid-template-columns: 135px 1fr;
  gap: 6px;
  align-items: center;
}

.tolerance-box-compact label,
.note-box-compact label {
  font-size: 0.68rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 2px;
}

.tolerance-inputs {
  display: flex;
  align-items: center;
  gap: 3px;
}

.tolerance-inputs .mono-inp {
  width: 54px;
  padding: 3px 5px;
  font-size: 0.72rem;
}

.tolerance-inputs span {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.note-box-compact input {
  width: 100%;
  padding: 4px 6px;
  font-size: 0.72rem;
}

.submit-action {
  margin-top: auto;
  padding-top: 4px;
}

.submit-action .btn-block {
  padding: 8px 10px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: 6px;
}

.hidden {
  display: none !important;
}

/* User Profile Badge */
.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-main);
  padding: 4px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.user-profile-badge .user-name {
  color: var(--color-cyan);
  font-weight: 600;
  font-family: var(--font-mono);
}

/* Login Modal Overlay */
.login-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(11, 15, 25, 0.92);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.login-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  animation: fadeInModal 0.25s ease-out;
}

@keyframes fadeInModal {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.login-header {
  text-align: center;
  margin-bottom: 24px;
}

.login-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.login-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.login-subtext {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.login-form label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.login-form input {
  padding: 10px 14px;
  font-size: 0.95rem;
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-main);
}

.login-form input:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

.session-info-badge {
  background-color: rgba(6, 182, 212, 0.1);
  border: 1px dashed var(--color-cyan);
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  color: var(--color-cyan);
  text-align: center;
}

.login-error-msg {
  background-color: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--color-red);
  color: #fca5a5;
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  text-align: center;
}

/* ==========================================================================
   Case Selector & Search Modal
   ========================================================================== */
.case-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(11, 15, 25, 0.88);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9980;
  padding: 20px;
}

.case-modal-overlay.hidden {
  display: none !important;
}

.case-modal-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  width: 100%;
  max-width: 1220px;
  height: 88vh;
  max-height: 850px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  animation: fadeInModal 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
}

.case-modal-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.case-modal-title .modal-icon {
  font-size: 2rem;
  line-height: 1;
}

.case-modal-title h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.modal-subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 3px 0 0 0;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.modal-close-btn:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.08);
}

.case-modal-filters {
  padding: 14px 24px;
  background: rgba(15, 23, 42, 0.75);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.case-modal-filters .filter-row {
  display: flex;
  gap: 14px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 130px;
}

.filter-field.search-field {
  flex: 2;
  min-width: 240px;
}

.filter-field label {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.2px;
}

.input-with-clear {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.input-with-clear input {
  width: 100%;
  padding-right: 28px !important;
}

.btn-clear-input {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 2px 6px;
  border-radius: 4px;
}

.btn-clear-input:hover {
  color: #fff;
}

.filter-field input,
.filter-field select {
  height: 36px;
  padding: 6px 10px;
  font-size: 0.82rem;
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-main);
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.filter-field input:focus,
.filter-field select:focus {
  border-color: var(--color-cyan);
  outline: none;
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.25);
}

.filter-actions {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.case-modal-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 24px;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.82rem;
}

.modal-loading-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-cyan);
  font-weight: 500;
}

.spinner-small {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(6, 182, 212, 0.3);
  border-top-color: var(--color-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

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

.case-table-wrapper {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  position: relative;
  background-color: rgba(11, 15, 25, 0.4);
}

.case-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  text-align: left;
}

.case-table thead th {
  position: sticky;
  top: 0;
  background: #172236;
  z-index: 5;
  padding: 10px 14px;
  color: #94a3b8;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.78rem;
  white-space: nowrap;
}

.case-table tbody tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background-color 0.12s ease;
  cursor: pointer;
}

.case-table tbody tr:hover {
  background-color: rgba(6, 182, 212, 0.08);
}

.case-table tbody tr.active-case-row {
  background-color: rgba(6, 182, 212, 0.18);
  font-weight: 600;
}

.case-table td {
  padding: 9px 14px;
  vertical-align: middle;
  white-space: nowrap;
}

.modal-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.case-modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  border-top: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
}

.case-modal-footer .footer-tip {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.case-modal-footer .footer-tip code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--color-cyan);
  font-family: var(--font-mono);
}

/* Badges for table */
.badge-tier {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
}
.badge-tier-1 { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.4); }
.badge-tier-2 { background: rgba(234, 179, 8, 0.2); color: #fde047; border: 1px solid rgba(234, 179, 8, 0.4); }
.badge-tier-4 { background: rgba(168, 85, 247, 0.2); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.4); }
.badge-tier-5 { background: rgba(59, 130, 246, 0.2); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.4); }
.badge-tier-6 { background: rgba(148, 163, 184, 0.2); color: #cbd5e1; border: 1px solid rgba(148, 163, 184, 0.4); }

.badge-sex-m {
  color: #38bdf8;
  font-weight: 600;
}
.badge-sex-f {
  color: #f472b6;
  font-weight: 600;
}

.badge-gt {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  margin-right: 3px;
}

.badge-status-rev {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-status-pen {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 500;
  background: rgba(100, 116, 139, 0.2);
  color: #94a3b8;
  border: 1px solid rgba(100, 116, 139, 0.3);
}

.btn-open-case {
  background: rgba(6, 182, 212, 0.15);
  color: var(--color-cyan);
  border: 1px solid rgba(6, 182, 212, 0.4);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-open-case:hover {
  background: var(--color-cyan);
  color: #0b0f19;
  border-color: var(--color-cyan);
}