/* ==========================================================================
   Confidence Calibration — Dark Precision Instrument Theme
   ========================================================================== */

/* --- CSS Variables --- */
:root {
  --bg-deep: #0f1115;
  --bg-surface: #181a20;
  --bg-elevated: #1e2028;
  --bg-hover: #252830;
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.1);
  --text-primary: #e8e6e3;
  --text-secondary: #9a9590;
  --text-tertiary: #5c5955;
  --accent: #e2a84b;
  --accent-dim: rgba(226, 168, 75, 0.15);
  --accent-glow: rgba(226, 168, 75, 0.25);
  --success: #4ade80;
  --success-dim: rgba(74, 222, 128, 0.12);
  --error: #f87171;
  --error-dim: rgba(248, 113, 113, 0.12);
  --info: #60a5fa;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* --- Grain overlay --- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

/* --- Body --- */
body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-deep);
  min-height: 100vh;
  padding: 32px 24px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* subtle radial glow behind content */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(226, 168, 75, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1320px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Header
   ========================================================================== */

header {
  text-align: center;
  margin-bottom: 48px;
  animation: fadeUp 0.6s var(--ease) both;
  position: relative;
  z-index: 10;
}

.header-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid rgba(226, 168, 75, 0.2);
  margin-bottom: 20px;
}

header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

header h1 em {
  color: var(--accent);
  font-style: italic;
}

.subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
  font-weight: 400;
  line-height: 1.65;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.main-content {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px;
  align-items: start;
}

@media (max-width: 1060px) {
  .main-content {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
  transition: border-color 0.3s var(--ease);
}

.card:hover {
  border-color: var(--border-strong);
}

.card-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.category-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ==========================================================================
   Game Area — Question & Feedback Visibility
   ========================================================================== */

.game-area {
  min-height: 420px;
}

#question-container,
#feedback-container,
#loading-container,
#error-container {
  display: none;
  opacity: 0;
}

#question-container.active,
#feedback-container.active,
#loading-container.active,
#error-container.active {
  display: block;
  animation: fadeUp 0.4s var(--ease) both;
  opacity: 1;
}

/* ==========================================================================
   Loading State
   ========================================================================== */

.loading-card {
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loading-content {
  text-align: center;
  padding: 48px 24px;
}

/* --- Orbital Loader --- */
.orbital-loader {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto 32px;
}

.orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--border);
}

.orbit .dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  top: -4px;
  left: 50%;
  margin-left: -4px;
  box-shadow: 0 0 12px var(--accent-glow);
}

.orbit-1 {
  animation: orbit 2.4s linear infinite;
}

.orbit-2 {
  inset: 12px;
  animation: orbit 1.8s linear infinite reverse;
}

.orbit-2 .dot {
  width: 6px;
  height: 6px;
  top: -3px;
  margin-left: -3px;
  opacity: 0.7;
}

.orbit-3 {
  inset: 24px;
  animation: orbit 2.8s linear infinite;
}

.orbit-3 .dot {
  width: 4px;
  height: 4px;
  top: -2px;
  margin-left: -2px;
  opacity: 0.5;
}

.core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  margin: -3px 0 0 -3px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--accent-glow);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes orbit {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

/* --- Loading Text --- */
.loading-text {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.status-dots span {
  animation: dotPulse 1.4s ease-in-out infinite;
}

.status-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.status-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes dotPulse {
  0%, 60%, 100% { opacity: 0.2; }
  30% { opacity: 1; }
}

.status-detail {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
  min-height: 1.2em;
}

/* ==========================================================================
   Error State
   ========================================================================== */

.error-card {
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-content {
  text-align: center;
  padding: 48px 24px;
  max-width: 320px;
}

.error-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 24px;
  color: var(--error);
  opacity: 0.9;
}

.error-icon svg {
  width: 100%;
  height: 100%;
}

.error-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.error-message {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 8px;
}

.error-detail {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
  margin-bottom: 24px;
  min-height: 1.2em;
}

.error-card .btn {
  margin-top: 8px;
}

/* ==========================================================================
   Question Section
   ========================================================================== */

.question-section {
  margin-bottom: 32px;
}

.question-section h2 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.4;
}

/* --- Question Metadata --- */
.question-meta {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.meta-creator {
  font-weight: 500;
}

.meta-source {
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.meta-source:hover {
  color: var(--accent);
}

/* ==========================================================================
   Input Section
   ========================================================================== */

.input-section {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.range-inputs {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: end;
}

.range-separator {
  display: flex;
  align-items: center;
  padding-bottom: 10px;
  color: var(--text-tertiary);
  font-size: 1.4rem;
  font-weight: 300;
}

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

.input-group label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.input-group input[type="number"] {
  padding: 14px 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-elevated);
  transition: all 0.25s var(--ease);
  outline: none;
}

.input-group input[type="number"]::placeholder {
  color: var(--text-tertiary);
  font-weight: 400;
}

.input-group input[type="number"]:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.input-group input[type="number"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
  background: var(--bg-hover);
}

/* Remove spinner arrows */
.input-group input[type="number"]::-webkit-inner-spin-button,
.input-group input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.input-group input[type="number"] {
  -moz-appearance: textfield;
}

/* ==========================================================================
   Confidence Slider
   ========================================================================== */

.slider-group {
  padding: 20px 0 4px;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}

.confidence-readout {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.slider-track-wrapper {
  position: relative;
  padding: 4px 0;
}

input[type="range"] {
  width: 100%;
  height: 4px;
  border-radius: 100px;
  background: var(--bg-hover);
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: all 0.2s var(--ease);
  box-shadow:
    0 0 0 4px var(--bg-surface),
    0 0 0 5px rgba(226, 168, 75, 0.3);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow:
    0 0 0 4px var(--bg-surface),
    0 0 0 6px rgba(226, 168, 75, 0.4),
    0 0 20px var(--accent-glow);
}

input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
  transition: all 0.2s var(--ease);
  box-shadow:
    0 0 0 4px var(--bg-surface),
    0 0 0 5px rgba(226, 168, 75, 0.3);
}

input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.15);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-tertiary);
  margin-top: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ==========================================================================
   Validation Message
   ========================================================================== */

.validation-message {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--error);
  background: var(--error-dim);
  border: 1px solid rgba(248, 113, 113, 0.15);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  animation: fadeUp 0.25s var(--ease);
}

.validation-message.visible {
  display: block;
}

.validation-message.shake {
  animation: shake 0.4s var(--ease);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(2px); }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.25s var(--ease);
  text-align: center;
  position: relative;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
  box-shadow: 0 2px 12px rgba(226, 168, 75, 0.25);
}

.btn-primary:hover {
  background: #d99b3d;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(226, 168, 75, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 1px 6px rgba(226, 168, 75, 0.2);
}

.btn-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.5;
  letter-spacing: 0.02em;
}

.btn-arrow {
  font-size: 1.1rem;
  transition: transform 0.2s var(--ease);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-tertiary);
  border: 1px solid var(--border);
  width: 100%;
  margin-top: 16px;
  font-size: 0.82rem;
}

.btn-ghost:hover {
  color: var(--error);
  border-color: rgba(248, 113, 113, 0.2);
  background: var(--error-dim);
}

.btn-large {
  padding: 18px 48px;
  font-size: 1rem;
  border-radius: var(--radius-md);
  width: 100%;
}

/* ==========================================================================
   Feedback Section
   ========================================================================== */

.feedback-section {
  margin-bottom: 28px;
}

.feedback-message {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 20px;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  animation: slideIn 0.35s var(--ease);
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.4;
}

.feedback-message.correct {
  background: var(--success-dim);
  color: var(--success);
  border: 1px solid rgba(74, 222, 128, 0.15);
}

.feedback-message.incorrect {
  background: var(--error-dim);
  color: var(--error);
  border: 1px solid rgba(248, 113, 113, 0.15);
}

.answer-detail {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 8px;
}

.correct-answer-text {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 14px 18px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
}

.question-score-text {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-tertiary);
  padding: 12px 18px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--info);
}

/* ==========================================================================
   Distribution Visualization
   ========================================================================== */

.distribution-container {
  margin-top: 24px;
  padding: 20px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  animation: fadeUp 0.4s var(--ease) 0.15s both;
}

.distribution-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 14px;
  text-align: center;
}

#distribution-canvas {
  width: 100%;
  height: 180px;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Stats Area
   ========================================================================== */

.stats-card {
  position: sticky;
  top: 24px;
}

.stats-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 24px;
}

.stats-header h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--text-primary);
}

.stats-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}

/* --- Primary Metric --- */
.primary-metric {
  padding: 20px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
  transition: border-color 0.3s var(--ease);
}

.primary-metric + .chart-container {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  border-top: none;
  margin-bottom: 16px;
}

.metric-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.metric-hint {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  font-style: italic;
}

.metric-value-large {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.03em;
}

/* --- Secondary Metric --- */
.secondary-metric {
  padding: 16px 20px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
}

.secondary-metric + .chart-container {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  border-top: none;
  margin-bottom: 16px;
}

.metric-value-medium {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}

.metric-status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* --- Bias status colors --- */
.bias-good { color: var(--success); }
.bias-overconfident { color: var(--error); }
.bias-underconfident { color: var(--info); }
.status-good { color: var(--success) !important; }
.status-overconfident { color: var(--error) !important; }
.status-underconfident { color: var(--info) !important; }

/* --- Stats Divider --- */
.stats-divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

/* --- Tertiary Metrics --- */
.tertiary-metrics {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.tertiary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.tertiary-label {
  color: var(--text-tertiary);
  font-size: 0.82rem;
}

.tertiary-value {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.88rem;
}

/* ==========================================================================
   Chart
   ========================================================================== */

.chart-container {
  margin-bottom: 16px;
  padding: 16px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.chart-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

#chart-canvas {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Modal
   ========================================================================== */

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  overflow-y: auto;
  padding: 24px;
}

.modal.active {
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  max-width: 580px;
  width: 100%;
  border: 1px solid var(--border-strong);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6);
  animation: modalIn 0.45s var(--ease);
  text-align: center;
}

.modal-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid rgba(226, 168, 75, 0.2);
  margin-bottom: 28px;
}

.modal-content h2 {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 16px;
}

.modal-lead {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.instructions {
  text-align: left;
  margin-bottom: 36px;
}

.instruction-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.instruction-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-top: 2px;
  letter-spacing: 0.05em;
}

.instruction-step strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.instruction-step p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.welcome-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

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

.btn-secondary:hover {
  color: var(--accent);
  border-color: rgba(226, 168, 75, 0.3);
  background: var(--accent-dim);
}

.welcome-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

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

.welcome-handle-display {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
  font-size: 1.2rem;
}

#welcome-user h2 {
  margin-bottom: 8px;
}

#welcome-user .welcome-actions {
  margin-top: 32px;
}

/* ==========================================================================
   Auth Header & User Menu
   ========================================================================== */

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

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

.btn-auth {
  padding: 8px 20px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.04em;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s var(--ease);
}

.btn-auth:hover {
  color: var(--accent);
  border-color: rgba(226, 168, 75, 0.3);
  background: var(--accent-dim);
}

/* --- User Menu --- */
.user-menu {
  position: relative;
}

.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 5px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--bg-surface);
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.user-menu-trigger:hover {
  border-color: var(--border-strong);
  background: var(--bg-elevated);
}

.user-menu.open .user-menu-trigger {
  border-color: rgba(226, 168, 75, 0.25);
  background: var(--bg-elevated);
}

.user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid rgba(226, 168, 75, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  flex-shrink: 0;
}

.user-handle {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-menu-chevron {
  color: var(--text-tertiary);
  transition: transform 0.25s var(--ease);
  flex-shrink: 0;
}

.user-menu.open .user-menu-chevron {
  transform: rotate(180deg);
}

/* --- Dropdown Panel --- */
.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 280px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.4),
    0 2px 8px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px) scale(0.98);
  transform-origin: top right;
  transition:
    opacity 0.2s var(--ease),
    visibility 0.2s var(--ease),
    transform 0.2s var(--ease);
  z-index: 100;
}

.user-menu.open .user-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* --- Dropdown Profile Section --- */
.dropdown-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
}

.dropdown-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid rgba(226, 168, 75, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  flex-shrink: 0;
}

.dropdown-identity {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.dropdown-handle {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dropdown-email {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- Dropdown Divider --- */
.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* --- Dropdown Items --- */
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 16px;
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.15s var(--ease);
  text-align: left;
}

.dropdown-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.dropdown-item svg {
  flex-shrink: 0;
  opacity: 0.6;
}

.dropdown-item:hover svg {
  opacity: 1;
}

.dropdown-item-danger {
  color: var(--text-tertiary);
}

.dropdown-item-danger:hover {
  color: var(--error);
  background: var(--error-dim);
}

.dropdown-item-danger:hover svg {
  opacity: 1;
}

/* --- Delete Confirmation --- */
.dropdown-delete-confirm {
  display: block;
  padding: 16px;
  text-align: center;
}

.delete-confirm-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 10px;
  background: var(--error-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--error);
}

.delete-confirm-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.55;
  letter-spacing: 0.01em;
  margin-bottom: 14px;
}

.delete-confirm-actions {
  display: flex !important;
  flex-direction: row;
  gap: 8px;
  width: 100%;
}

.delete-confirm-btn {
  display: block !important;
  flex: 1 1 0%;
  width: auto;
  height: auto;
  min-height: 36px;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  -webkit-appearance: none;
  appearance: none;
  text-align: center;
  line-height: 1.2;
}

.delete-cancel {
  background: var(--bg-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
}

.delete-cancel:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
  background: var(--bg-surface);
}

.delete-proceed {
  background: var(--error);
  color: #fff;
  border: 1px solid var(--error);
}

.delete-proceed:hover {
  background: #e05050;
  box-shadow: 0 2px 12px rgba(248, 113, 113, 0.3);
}

.delete-proceed:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ==========================================================================
   Auth Modal
   ========================================================================== */

.auth-modal-content {
  max-width: 420px;
  position: relative;
}

.auth-modal-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  transition: color 0.2s var(--ease);
}

.auth-modal-close:hover {
  color: var(--text-primary);
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.auth-tab {
  flex: 1;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}

.auth-tab.active {
  color: var(--accent);
  background: var(--accent-dim);
}

.auth-tab:hover:not(.active) {
  color: var(--text-secondary);
  background: var(--bg-hover);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.auth-form .input-group input[type="email"],
.auth-form .input-group input[type="password"],
.auth-form .input-group input[type="text"] {
  padding: 14px 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--text-primary);
  background: var(--bg-elevated);
  transition: all 0.25s var(--ease);
  outline: none;
  width: 100%;
}

.auth-form .input-group input::placeholder {
  color: var(--text-tertiary);
}

.auth-form .input-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
  background: var(--bg-hover);
}

.auth-error {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--error);
  background: var(--error-dim);
  border: 1px solid rgba(248, 113, 113, 0.15);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  letter-spacing: 0.02em;
}

.auth-error.visible {
  display: block;
}

/* Forgot Password Link */
.forgot-password-link {
  display: block;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s var(--ease);
  margin-top: -4px;
}

.forgot-password-link:hover {
  color: var(--accent);
}

/* Reset Instructions */
.reset-instructions {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  text-align: center;
}

/* Email Confirmation Message */
.confirmation-message {
  text-align: center;
  padding: 20px 0;
}

.confirmation-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--accent-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--accent);
}

.confirmation-message h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.confirmation-message p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}

.confirmation-message .confirmation-email {
  color: var(--accent);
  font-family: var(--font-mono);
}

.confirmation-note {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-top: 16px;
  margin-bottom: 24px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  text-align: center;
  color: var(--text-tertiary);
  margin-top: 32px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-16px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(16px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
  body {
    padding: 16px 12px;
  }

  header h1 {
    font-size: 1.8rem;
  }

  .card {
    padding: 24px 20px;
  }

  .range-inputs {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .range-separator {
    display: none;
  }

  .modal-content {
    padding: 36px 28px;
  }

  .modal-content h2 {
    font-size: 2rem;
  }

  .metric-value-large {
    font-size: 2rem;
  }

  .user-handle {
    display: none;
  }

  .user-menu-trigger {
    padding: 4px 8px 4px 4px;
  }

  .user-dropdown {
    width: 260px;
  }
}