/* ==========================================================================
   びわ湖 2050 タイムマシン - スタイルシート
   デザインシステム: Deep Mother Lake × Ecological Eden × Precision Glass
   ========================================================================== */

:root {
  --lake-navy-dark: #07172c;
  --lake-navy: #0b2545;
  --lake-blue: #0284c7;
  --lake-cyan: #38bdf8;
  --lake-clear: #7dd3fc;
  
  --eden-emerald: #10b981;
  --eden-mint: #34d399;
  --eden-light: #ecfdf5;
  --eden-gold: #f59e0b;
  
  --crisis-red: #ef4444;
  --crisis-dark: #991b1b;
  --crisis-bg: #fef2f2;

  --panel-bg: rgba(11, 37, 69, 0.82);
  --panel-border: rgba(56, 189, 248, 0.25);
  --panel-glass: blur(16px);

  --font-base: 'M PLUS Rounded 1c', 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;
  --font-mono: 'DotGothic16', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--lake-navy-dark);
  color: #f8fafc;
  font-family: var(--font-base);
  user-select: none;
}

body {
  display: flex;
  flex-direction: column;
}

/* --------------------------------------------------------------------------
   App Header
   -------------------------------------------------------------------------- */
.app-header {
  height: 68px;
  background: rgba(7, 23, 44, 0.95);
  backdrop-filter: var(--panel-glass);
  -webkit-backdrop-filter: var(--panel-glass);
  border-bottom: 1px solid var(--panel-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  z-index: 100;
  flex-shrink: 0;
}

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

.logo-mark {
  font-size: 2rem;
  animation: gentleFloat 3s ease-in-out infinite;
}

@keyframes gentleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

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

.contest-badge {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--eden-mint);
  letter-spacing: 0.04em;
}

.main-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.title-sub {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--lake-cyan);
  margin-left: 6px;
}

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

.btn-tool {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #f1f5f9;
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-tool:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}

.btn-tool.active {
  background: rgba(2, 132, 199, 0.4);
  border-color: var(--lake-cyan);
  color: var(--lake-cyan);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
}

.btn-primary-glow {
  background: linear-gradient(135deg, #0284c7 0%, #10b981 100%);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
  transition: all 0.2s ease;
}

.btn-primary-glow:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

/* --------------------------------------------------------------------------
   Main Simulator Workspace
   -------------------------------------------------------------------------- */
.sim-workspace {
  flex: 1;
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  overflow: hidden;
  position: relative;
}

/* --------------------------------------------------------------------------
   Lake View Panel (Left / Main Stage)
   -------------------------------------------------------------------------- */
.lake-view-panel {
  display: flex;
  flex-direction: column;
  padding: 16px 20px;
  gap: 14px;
  overflow-y: auto;
  position: relative;
}

.canvas-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.7), 0 0 25px rgba(2, 132, 199, 0.2);
  border: 1.5px solid rgba(56, 189, 248, 0.35);
  background: #000;
}

#mainLakeCanvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

/* Split Compare Divider with glowing neon border */
.split-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, #38bdf8 0%, #ffffff 50%, #10b981 100%);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.9), 0 0 30px rgba(255, 255, 255, 0.6);
  cursor: ew-resize;
  z-index: 40;
}

.split-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  border: 3px solid #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6), 0 0 15px rgba(56, 189, 248, 0.5);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 900;
  gap: 2px;
  transition: transform 0.15s ease;
}

.split-handle:hover {
  transform: translate(-50%, -50%) scale(1.1);
}

.split-tag {
  position: absolute;
  top: 20px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
  backdrop-filter: blur(8px);
}

.tag-left {
  right: 18px;
  background: rgba(153, 27, 27, 0.85);
  color: #fee2e2;
  border: 1px solid rgba(239, 68, 68, 0.5);
}

.tag-right {
  left: 18px;
  background: rgba(4, 120, 87, 0.85);
  color: #d1fae5;
  border: 1px solid rgba(16, 185, 129, 0.5);
}

/* Lake Overlay Elements */
.lake-overlay-top {
  position: absolute;
  top: 14px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}

.year-capsule {
  background: rgba(7, 23, 44, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: baseline;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.capsule-sub {
  font-size: 0.72rem;
  color: var(--lake-cyan);
  font-weight: 700;
}

.capsule-year {
  font-size: 1.7rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: #ffffff;
}

.capsule-age {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--eden-mint);
}

.status-ribbon {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.9) 0%, rgba(4, 120, 87, 0.9) 100%);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(52, 211, 153, 0.5);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 800;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
  transition: all 0.3s ease;
}

/* Deep Breath Indicator */
.deep-breath-indicator {
  position: absolute;
  bottom: 14px;
  left: 16px;
  background: rgba(7, 23, 44, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.breath-icon-wrap {
  position: relative;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.breath-icon {
  font-size: 1.4rem;
  z-index: 2;
}

.breath-pulse-circle {
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.5) 0%, transparent 70%);
  animation: breathPulse 2.5s infinite ease-in-out;
}

@keyframes breathPulse {
  0%, 100% { transform: scale(0.9); opacity: 0.4; }
  50% { transform: scale(1.3); opacity: 0.9; }
}

.breath-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--lake-cyan);
}

.breath-status {
  font-size: 0.8rem;
  font-weight: 800;
  color: #ffffff;
}

/* Realtime Metrics Tags */
.lake-realtime-tags {
  position: absolute;
  bottom: 14px;
  right: 16px;
  display: flex;
  gap: 8px;
  pointer-events: none;
}

.rt-tag {
  background: rgba(7, 23, 44, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.rt-tag.highlight {
  border-color: rgba(52, 211, 153, 0.5);
  background: rgba(4, 120, 87, 0.8);
}

.rt-label {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 700;
}

.rt-val {
  font-size: 1.05rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: #ffffff;
}

.rt-unit {
  font-size: 0.62rem;
  color: rgba(255, 255, 255, 0.8);
}

/* Time Capsule Card */
.time-capsule-card {
  background: rgba(11, 37, 69, 0.7);
  border: 1.5px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

.capsule-avatar {
  flex-shrink: 0;
  text-align: center;
}

.avatar-icon {
  font-size: 2.2rem;
  display: inline-block;
  margin-bottom: 2px;
}

.avatar-label {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--lake-cyan);
}

.capsule-body {
  flex: 1;
}

.capsule-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.capsule-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--eden-mint);
  font-family: var(--font-serif);
}

.capsule-date {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.5);
}

.capsule-message {
  font-size: 0.85rem;
  line-height: 1.5;
  color: #e2e8f0;
}

.btn-snap {
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.8rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-snap:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Controls Panel (Right Column)
   -------------------------------------------------------------------------- */
.controls-panel {
  background: rgba(7, 23, 44, 0.85);
  border-left: 1px solid var(--panel-border);
  backdrop-filter: var(--panel-glass);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

.control-box {
  background: rgba(11, 37, 69, 0.6);
  border: 1px solid rgba(56, 189, 248, 0.18);
  border-radius: var(--radius-md);
  padding: 16px;
}

.box-header {
  margin-bottom: 12px;
}

.box-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.header-tag {
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--lake-cyan);
  letter-spacing: 0.08em;
}

.box-title {
  font-size: 1rem;
  font-weight: 800;
  color: #ffffff;
}

.box-desc {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-bottom: 12px;
}

.actions-badge {
  background: rgba(16, 185, 129, 0.2);
  color: var(--eden-mint);
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: var(--radius-full);
  padding: 3px 10px;
  font-size: 0.72rem;
  font-weight: 800;
}

/* Time Range Slider */
.slider-track-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.time-range-input {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #1e3a8a;
  outline: none;
  cursor: pointer;
  accent-color: var(--lake-cyan);
}

.slider-markers {
  display: flex;
  justify-content: space-between;
  padding: 0 4px;
}

.marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
}

.m-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #475569;
}

.marker.active .m-dot {
  background: var(--lake-cyan);
  box-shadow: 0 0 8px var(--lake-cyan);
}

.m-year {
  font-size: 0.75rem;
  font-weight: 800;
  color: #94a3b8;
  font-family: var(--font-mono);
}

.marker.active .m-year {
  color: #ffffff;
}

.m-desc {
  font-size: 0.62rem;
  color: #64748b;
}

/* Scenario Preset Buttons */
.preset-buttons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.btn-scenario {
  border-radius: var(--radius-md);
  padding: 10px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  border: 1.5px solid transparent;
  transition: all 0.2s ease;
}

.btn-scenario .s-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.btn-scenario .s-name {
  display: block;
  font-size: 0.82rem;
  font-weight: 800;
}

.btn-scenario .s-desc {
  display: block;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.7);
}

.btn-eden {
  background: rgba(6, 78, 59, 0.4);
  border-color: rgba(16, 185, 129, 0.4);
  color: #d1fae5;
}

.btn-eden:hover, .btn-eden.active {
  background: rgba(6, 78, 59, 0.85);
  border-color: var(--eden-mint);
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.3);
}

.btn-crisis {
  background: rgba(127, 29, 29, 0.3);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fee2e2;
}

.btn-crisis:hover, .btn-crisis.active {
  background: rgba(127, 29, 29, 0.8);
  border-color: var(--crisis-red);
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.3);
}

/* Actions Scroll List */
.actions-scroll-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 4px;
}

.action-row-btn {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.action-row-btn:hover {
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateX(2px);
}

.action-row-btn.active {
  background: rgba(6, 78, 59, 0.5);
  border-color: rgba(52, 211, 153, 0.6);
}

.act-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.act-icon {
  font-size: 1.4rem;
}

.act-title {
  font-size: 0.84rem;
  font-weight: 800;
  color: #ffffff;
}

.act-sub {
  font-size: 0.7rem;
  color: var(--eden-mint);
}

.act-pill {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: #334155;
  color: #94a3b8;
  transition: all 0.2s ease;
}

.action-row-btn.active .act-pill {
  background: var(--eden-emerald);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Modal Backdrop & Research Paper Card
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 23, 44, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-card {
  background: #0f172a;
  border: 2px solid var(--lake-cyan);
  border-radius: var(--radius-lg);
  max-width: 1060px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  background: rgba(2, 132, 199, 0.15);
}

.badge-research {
  background: var(--eden-emerald);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 6px;
}

.modal-heading {
  font-size: 1.3rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.3;
}

.modal-sub {
  font-size: 0.82rem;
  color: #94a3b8;
  margin-top: 4px;
}

.btn-close-modal {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  font-size: 1.2rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-close-modal:hover {
  background: rgba(255, 255, 255, 0.25);
}

.modal-content-grid {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.academic-card {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 18px;
}

.card-chip {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--lake-cyan);
  background: rgba(56, 189, 248, 0.15);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

.card-chip.highlight {
  color: var(--eden-mint);
  background: rgba(16, 185, 129, 0.15);
}

.card-h {
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 10px;
}

.card-p {
  font-size: 0.84rem;
  color: #cbd5e1;
  line-height: 1.6;
}

.formula-box {
  background: #090e1a;
  border-left: 4px solid var(--lake-cyan);
  padding: 12px;
  border-radius: 4px;
  margin: 12px 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.formula-desc {
  font-size: 0.72rem;
  color: #94a3b8;
  font-family: var(--font-base);
  margin-top: 6px;
}

.data-table-container {
  overflow-x: auto;
  margin-top: 12px;
}

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

.science-table th, .science-table td {
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 6px 8px;
  text-align: left;
}

.science-table th {
  background: rgba(2, 132, 199, 0.2);
  color: var(--lake-cyan);
  font-weight: 800;
}

.warning-alert-box {
  background: rgba(153, 27, 27, 0.3);
  border: 1px solid rgba(239, 68, 68, 0.5);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.8rem;
  color: #fca5a5;
  margin: 12px 0;
  line-height: 1.5;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: rgba(15, 23, 42, 0.8);
}

/* --------------------------------------------------------------------------
   Responsive Rules
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  html, body {
    overflow: auto;
    height: auto;
  }

  .sim-workspace {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .controls-panel {
    border-left: none;
    border-top: 1px solid var(--panel-border);
  }

  .modal-content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .app-header {
    height: auto;
    padding: 10px 14px;
    flex-direction: column;
    gap: 8px;
  }

  .main-title {
    font-size: 1.1rem;
  }

  .title-sub {
    display: none;
  }

  .preset-buttons-grid {
    grid-template-columns: 1fr;
  }

  .time-capsule-card {
    flex-direction: column;
    text-align: center;
  }

  .capsule-header {
    justify-content: center;
  }
}