/* The Size of Life - Editorial Design System (Devil AI Aesthetic) */

:root {
  --bg-color: #FAF9F6;
  --surface-color: #FFFFFF;
  --text-primary: #242424;
  --text-secondary: #77736E;
  --text-muted: #9E9B95;
  --border-color: #E8E5DF;
  --border-light: #F2EFEB;
  --accent-color: #F46D82;
  --accent-soft: #FFE4E8;
  --accent-hover: #E0566C;
  --grid-line: rgba(36, 36, 36, 0.04);
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-elevated: 0 12px 36px rgba(0, 0, 0, 0.07);
  --radius-card: 16px;
  --radius-btn: 10px;
  --transition-smooth: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body.life-page {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Universal Header adjustments */
.weegoes-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 246, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.weegoes-header-left,
.weegoes-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.weegoes-back-btn,
.weegoes-tool-btn,
.weegoes-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.weegoes-back-btn:hover,
.weegoes-tool-btn:hover,
.weegoes-share-btn:hover {
  background: #F4F2EC;
  border-color: #D6D2CA;
}

.weegoes-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 15px;
}

.weegoes-brand-logo {
  width: 24px;
  height: 24px;
  background: var(--text-primary);
  color: #FAF9F6;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.weegoes-brand-badge {
  font-size: 11px;
  color: var(--accent-color);
  background: var(--accent-soft);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.weegoes-active-title {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 18px;
  font-style: italic;
  color: var(--text-primary);
}

/* Main Container */
.life-container {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 20px 40px;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Title Card / Hero Overlay */
.title-overlay {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: rgba(250, 249, 246, 0.98);
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 1;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.title-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.title-card {
  max-width: 620px;
  width: 100%;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 48px 40px;
  text-align: center;
  box-shadow: var(--shadow-elevated);
  position: relative;
}

.title-pretitle {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-color);
  font-weight: 600;
  margin-bottom: 12px;
}

.title-heading {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 52px;
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 16px;
  font-weight: 400;
}

.title-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 32px;
}

.title-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 36px;
  padding: 20px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.title-spec-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.title-spec-val {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.title-spec-lbl {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.title-enter-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text-primary);
  color: #FAF9F6;
  border: none;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.title-enter-btn:hover {
  background: #3B3835;
  transform: translateY(-2px);
}

/* Main Experiment Stage Card */
.life-stage-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Stage Header / Info Row */
.stage-header {
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stage-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.organism-badge-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.organism-index-tag {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  padding: 3px 8px;
  border-radius: 6px;
}

.organism-era-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-color);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: 6px;
  letter-spacing: 0.02em;
}

.organism-size-stat {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 18px;
  font-weight: 600;
  color: var(--accent-color);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.size-stat-sub {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-muted);
}

.stage-title-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.organism-name {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 42px;
  font-weight: 400;
  line-height: 1.1;
  color: var(--text-primary);
}

.organism-name.italic {
  font-style: italic;
}

.organism-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 820px;
}

/* Viewport Stage Area */
.scale-viewport {
  position: relative;
  height: 480px;
  background-color: #FCFBF9;
  background-image: 
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

/* Ruler Overlay */
.ruler-hud {
  position: absolute;
  top: 16px;
  left: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 20;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.ruler-hud.hidden {
  opacity: 0;
}

.ruler-bar {
  height: 12px;
  border-left: 2px solid var(--text-primary);
  border-right: 2px solid var(--text-primary);
  border-top: 2px solid var(--text-primary);
  position: relative;
  background-image: repeating-linear-gradient(to right, rgba(36, 36, 36, 0.32) 0 1px, transparent 1px 28px);
  background-size: 100% 6px;
  background-position: left bottom;
  background-repeat: no-repeat;
}

.ruler-label-row {
  display: flex;
  justify-content: space-between;
  font-family: "SF Mono", Menlo, monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
}

.ruler-measure-text {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: "SF Mono", Menlo, monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--surface-color);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

/* Organisms Visual Presentation */
.stage-visuals {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.comparison-slot {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.4s ease;
}

.slot-prev {
  left: 12%;
  opacity: 0.85;
}

.slot-curr {
  left: 52%;
  transform: translateX(-50%);
  z-index: 10;
}

.slot-human {
  right: 12%;
  z-index: 15;
  transition: opacity 0.3s ease;
}

.slot-human.hidden {
  opacity: 0;
  pointer-events: none;
}

.organism-visual-container {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 380px;
  max-height: 380px;
}

/* Purposeful reveal when the focal specimen changes */
@keyframes lifeFocalIn {
  from { opacity: 0; transform: scale(0.955); }
  to   { opacity: 1; transform: scale(1); }
}

.organism-visual-container.focal-enter {
  animation: lifeFocalIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.organism-svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.06));
}

.organism-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.08));
}

.slot-label {
  margin-top: 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.9);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  white-space: nowrap;
}

.slot-prev .slot-label {
  color: var(--text-muted);
}

/* Tools Bar */
.tools-bar {
  padding: 12px 24px;
  background: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.tools-left,
.tools-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tool-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tool-pill-btn:hover {
  color: var(--text-primary);
  border-color: #D6D2CA;
}

.tool-pill-btn.active {
  background: var(--text-primary);
  color: #FAF9F6;
  border-color: var(--text-primary);
}

.compare-select {
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  outline: none;
}

/* Controls & Scrubber Footer */
.stage-controls {
  padding: 20px 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.controls-nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-step-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.nav-step-btn:hover:not(:disabled) {
  background: #F4F2EC;
  border-color: #D6D2CA;
  transform: translateY(-1px);
}

.nav-step-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.nav-step-btn.btn-primary {
  background: var(--text-primary);
  color: #FAF9F6;
  border-color: var(--text-primary);
}

.nav-step-btn.btn-primary:hover:not(:disabled) {
  background: #3B3835;
}

.scrubber-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scrubber-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background:
    linear-gradient(to right,
      var(--accent-color) 0%,
      var(--accent-color) var(--p, 0%),
      var(--border-color) var(--p, 0%),
      var(--border-color) 100%);
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.scrubber-slider:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 4px;
}

.scrubber-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2px solid var(--surface-color);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.scrubber-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.scrubber-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: "SF Mono", Menlo, monospace;
}

.keyboard-hint {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

.kbd-badge {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-family: "SF Mono", Menlo, monospace;
  color: var(--text-secondary);
}

/* Info Modal */
.modal-overlay {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  background: rgba(36, 36, 36, 0.4);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  max-width: 580px;
  width: 100%;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  box-shadow: var(--shadow-elevated);
  position: relative;
  max-height: 85vh;
  overflow-y: auto;
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  background: #E8E5DF;
}

.modal-title {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 32px;
  font-weight: 400;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.modal-section {
  margin-bottom: 24px;
}

.modal-section-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-color);
  font-weight: 600;
  margin-bottom: 8px;
}

.modal-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* End Celebration Card */
.end-card-overlay {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: rgba(250, 249, 246, 0.98);
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.end-card-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.end-card {
  max-width: 580px;
  width: 100%;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 44px 36px;
  text-align: center;
  box-shadow: var(--shadow-elevated);
}

.end-heading {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 46px;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.end-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 32px;
}

.end-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .weegoes-active-title {
    display: none;
  }

  .life-container {
    padding: 12px 12px 30px;
  }

  .title-card {
    padding: 32px 20px;
  }

  .title-heading {
    font-size: 38px;
  }

  .title-specs-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .stage-header {
    padding: 20px 18px 16px;
  }

  .organism-name {
    font-size: 30px;
  }

  .scale-viewport {
    height: 380px;
  }

  .slot-prev {
    left: 4%;
  }

  .slot-curr {
    left: 48%;
  }

  .slot-human {
    right: 4%;
  }

  .tools-bar {
    padding: 10px 16px;
  }

  .stage-controls {
    padding: 16px 16px 20px;
  }

  .controls-nav-row {
    flex-wrap: wrap;
  }

  .scrubber-container {
    order: -1;
    width: 100%;
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .organism-visual-container.focal-enter { animation: none; }
  .comparison-slot,
  .title-enter-btn,
  .nav-step-btn { transition: none; }
  .title-overlay,
  .end-card-overlay,
  .modal-overlay { transition: none; }
}