/* ═══════════════════════════════════════════════════════
   StateEnergy — Premium Glassmorphism Dark Theme
   ═══════════════════════════════════════════════════════ */

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

:root {
  --bg: #08090e;
  --bg2: rgba(14, 17, 28, 0.75);
  --bg2-solid: #0e111c;
  --bg3: rgba(22, 27, 42, 0.8);
  --bg3-solid: #161b2a;
  --border: rgba(255,255,255,0.06);
  --border2: rgba(255,255,255,0.10);
  --glass: rgba(15, 18, 30, 0.55);
  --glass-border: rgba(255,255,255,0.08);
  --text: #f0f4f8;
  --text2: #94a3b8;
  --text3: #5a6a80;
  --accent: #6366f1;
  --accent2: #818cf8;
  --accent-text: #c7d2fe;
  --code-bg: rgba(255,255,255,0.06);
  --green: #10b981;
  --emerald: #34d399;
  --amber: #f59e0b;
  --red: #ef4444;
  --blue: #3b82f6;
  --glow-accent: rgba(99,102,241,0.35);
  --glow-green: rgba(16,185,129,0.3);
  --glow-amber: rgba(245,158,11,0.3);
  --glow-blue: rgba(59,130,246,0.3);
  --radius: 14px;
  --radius-lg: 18px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.25), 0 8px 32px rgba(0,0,0,0.18);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.35), 0 2px 12px rgba(99,102,241,0.12);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Noise Texture Overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px;
}

body {
  font-family: 'Inter', 'DM Sans', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

/* Ambient glow orbs */
body::after {
  content: '';
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,0.06) 0%, transparent 70%);
  top: -150px;
  right: -200px;
  z-index: 0;
  pointer-events: none;
}

.app {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ═══════════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════════ */
.sidebar {
  width: 240px;
  background: rgba(10, 12, 20, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 0.85rem;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 10;
  transition: var(--transition);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 2.25rem;
  padding: 0 0.65rem;
}
.logo-icon {
  font-size: 24px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(16,185,129,0.15));
  border-radius: 12px;
  border: 1px solid rgba(99,102,241,0.25);
}
.logo-text {
  font-family: 'Inter', 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #f0f4f8, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 14px;
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--text3);
  font-size: 13.5px;
  font-family: 'Inter', 'DM Sans', sans-serif;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition);
  position: relative;
  letter-spacing: -0.01em;
}
.nav-item:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text2);
}
.nav-item.active {
  background: rgba(99,102,241,0.12);
  color: #c7d2fe;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(99,102,241,0.2);
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--accent), var(--accent2));
  box-shadow: 0 0 12px var(--glow-accent);
}
.nav-icon {
  font-size: 16px;
  transition: transform var(--transition);
}
.nav-item:hover .nav-icon { transform: scale(1.15); }

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.state-select-wrap label {
  display: block;
  font-size: 10px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
  font-weight: 600;
}
.state-select-wrap select {
  width: 100%;
  background: var(--bg3-solid);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 13px;
  font-family: 'Inter', 'DM Sans', sans-serif;
  cursor: pointer;
  transition: border-color var(--transition);
}
.state-select-wrap select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

/* ═══════════════════════════════════════════════════════
   MAIN CONTENT
   ═══════════════════════════════════════════════════════ */
.main {
  flex: 1;
  padding: 2rem 2.5rem;
  overflow-y: auto;
  position: relative;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.header-title {
  font-family: 'Inter', 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.035em;
  background: linear-gradient(135deg, #f0f4f8 40%, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.header-sub {
  font-size: 13px;
  color: var(--text3);
  margin-top: 4px;
  letter-spacing: -0.01em;
}
.header-state {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}
.state-badge {
  background: rgba(99,102,241,0.12);
  color: #c7d2fe;
  padding: 6px 16px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(99,102,241,0.25);
  backdrop-filter: blur(8px);
  letter-spacing: -0.01em;
}
.year-badge {
  background: rgba(255,255,255,0.04);
  color: var(--text3);
  padding: 5px 14px;
  border-radius: 24px;
  font-size: 12px;
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

/* ═══════════════════════════════════════════════════════
   PANELS — Smooth Transitions
   ═══════════════════════════════════════════════════════ */
.panel {
  display: none;
  animation: panelIn 0.35s ease-out;
}
.panel.active { display: block; }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════
   SECTION LABELS
   ═══════════════════════════════════════════════════════ */
.section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text3);
  margin-bottom: 1rem;
  font-weight: 600;
  position: relative;
  padding-left: 0;
}

/* ═══════════════════════════════════════════════════════
   GRID LAYOUTS
   ═══════════════════════════════════════════════════════ */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

/* ═══════════════════════════════════════════════════════
   GLASSMORPHISM CARDS
   ═══════════════════════════════════════════════════════ */
.card {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255,255,255,0.12);
}
.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

/* ═══════════════════════════════════════════════════════
   SLIDERS
   ═══════════════════════════════════════════════════════ */
.slider-group { display: flex; flex-direction: column; gap: 1rem; }
.slider-row { display: flex; align-items: center; gap: 12px; }
.slider-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: 4px;
  flex-direction: row;
}
.slider-group .slider-row { flex-direction: column; align-items: stretch; gap: 4px; }
.slider-label { font-size: 13px; color: var(--text2); letter-spacing: -0.01em; }
.slider-val {
  font-size: 13px;
  font-weight: 700;
  color: var(--emerald);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  outline: none;
  transition: background var(--transition);
}
input[type="range"]:hover {
  background: rgba(255,255,255,0.12);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  cursor: pointer;
  border: 2.5px solid var(--bg);
  box-shadow: 0 0 8px var(--glow-accent);
  transition: box-shadow var(--transition), transform var(--transition);
}
input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 16px var(--glow-accent);
  transform: scale(1.15);
}
input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  cursor: pointer;
  border: 2.5px solid var(--bg);
  box-shadow: 0 0 8px var(--glow-accent);
}

/* ═══════════════════════════════════════════════════════
   SECTOR CARDS
   ═══════════════════════════════════════════════════════ */
.sector-card {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  border-top: 3px solid var(--accent, var(--accent));
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-card);
}
.sector-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.sector-icon { font-size: 28px; margin-bottom: 8px; }
.sector-name {
  font-size: 11px;
  color: var(--text3);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.sector-val {
  font-size: 32px;
  font-weight: 800;
  font-family: 'Inter', 'Syne', sans-serif;
  color: var(--accent2);
  margin-bottom: 10px;
  letter-spacing: -0.03em;
}

/* ═══════════════════════════════════════════════════════
   ENERGY CARDS (Supply Tab)
   ═══════════════════════════════════════════════════════ */
.energy-card {
  border-top: 3px solid var(--ecolor);
  position: relative;
}
.energy-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: linear-gradient(180deg, var(--ecolor, transparent), transparent);
  opacity: 0.06;
  pointer-events: none;
  border-radius: var(--radius) var(--radius) 0 0;
}
.energy-header { display: flex; align-items: center; gap: 10px; margin-bottom: 1rem; position: relative; z-index: 1; }
.energy-icon { font-size: 22px; }
.energy-name { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
.energy-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 24px;
  font-size: 11px;
  font-weight: 600;
  margin-top: 1rem;
  backdrop-filter: blur(4px);
  position: relative;
  z-index: 1;
}

/* ═══════════════════════════════════════════════════════
   SCENARIO CARDS
   ═══════════════════════════════════════════════════════ */
.scenario-card {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.scenario-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  pointer-events: none;
}
.scenario-card:hover {
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.scenario-card.selected {
  border-color: var(--accent);
  background: rgba(99,102,241,0.08);
  box-shadow: 0 0 0 1px var(--accent), 0 4px 24px rgba(99,102,241,0.15);
}
.sc-selected-ring {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--border2);
  transition: all var(--transition);
}
.scenario-card.selected .sc-selected-ring {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--glow-accent);
}
.sc-icon { font-size: 32px; margin-bottom: 10px; }
.sc-name {
  font-size: 16px;
  font-weight: 700;
  font-family: 'Inter', 'Syne', sans-serif;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.sc-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 24px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 12px;
}
.sc-desc { font-size: 13px; color: var(--text2); line-height: 1.7; margin-bottom: 12px; }
.sc-points { list-style: none; display: flex; flex-direction: column; gap: 5px; }
.sc-points li {
  font-size: 12px;
  color: var(--text3);
  padding-left: 18px;
  position: relative;
}
.sc-points li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent2);
  font-weight: 600;
}

/* ═══════════════════════════════════════════════════════
   BUTTONS — Gradient + Shimmer
   ═══════════════════════════════════════════════════════ */
.next-btn-wrap { display: flex; justify-content: flex-end; margin-top: 1.5rem; }
.next-btn {
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: white;
  border: none;
  padding: 11px 26px;
  border-radius: 10px;
  font-size: 14px;
  font-family: 'Inter', 'DM Sans', sans-serif;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition);
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}
.next-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s;
}
.next-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99,102,241,0.35);
}
.next-btn:hover::before { left: 100%; }

.run-btn {
  background: linear-gradient(135deg, #6366f1, #8b5cf6, #a78bfa);
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 15px;
  font-family: 'Inter', 'DM Sans', sans-serif;
  cursor: pointer;
  font-weight: 700;
  transition: all var(--transition);
  width: 100%;
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.run-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
  transition: left 0.6s;
}
.run-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(99,102,241,0.45);
}
.run-btn:hover::before { left: 100%; }

/* ═══════════════════════════════════════════════════════
   EMPTY STATE
   ═══════════════════════════════════════════════════════ */
.empty-state { text-align: center; padding: 5rem 2rem; }
.empty-icon { font-size: 52px; margin-bottom: 1rem; opacity: 0.35; }
.empty-title { font-size: 20px; font-weight: 700; color: var(--text2); letter-spacing: -0.02em; }
.empty-sub { font-size: 14px; color: var(--text3); margin-top: 6px; }

/* ═══════════════════════════════════════════════════════
   RESULTS — Metrics
   ═══════════════════════════════════════════════════════ */
.results-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 2rem; }
.metric-card {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.metric-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  pointer-events: none;
}
.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.metric-label {
  font-size: 11px;
  color: var(--text3);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.metric-value {
  font-size: 28px;
  font-weight: 800;
  font-family: 'Inter', 'Syne', sans-serif;
  letter-spacing: -0.03em;
}
.metric-unit { font-size: 12px; color: var(--text3); margin-top: 3px; }

/* ── Capacity Bars ── */
.capacity-bars { display: flex; flex-direction: column; gap: 14px; }
.bar-row { display: flex; flex-direction: column; gap: 6px; }
.bar-header { display: flex; justify-content: space-between; align-items: center; }
.bar-label { font-size: 13px; font-weight: 600; }
.bar-right { display: flex; align-items: center; gap: 10px; }
.bar-val { font-size: 13px; color: var(--text2); font-variant-numeric: tabular-nums; }
.bar-track {
  height: 8px;
  background: rgba(255,255,255,0.06);
  border-radius: 6px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 1s cubic-bezier(0.34,1.56,0.64,1);
  position: relative;
}

/* ── AI Box ── */
.ai-box {
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(139,92,246,0.05), rgba(16,185,129,0.04));
  border: 1px solid rgba(99,102,241,0.18);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 1.5rem;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}
.ai-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.25), transparent);
  pointer-events: none;
}
.ai-box-title {
  font-size: 11px;
  color: var(--accent2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}
.ai-box-text { font-size: 14px; color: var(--text2); line-height: 1.7; }

.detail-btn {
  width: 100%;
  margin-top: 1rem;
  padding: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border2);
  color: var(--text);
  border-radius: 10px;
  font-size: 14px;
  font-family: 'Inter', 'DM Sans', sans-serif;
  cursor: pointer;
  transition: all var(--transition);
  font-weight: 500;
}
.detail-btn:hover {
  background: rgba(255,255,255,0.06);
  transform: translateY(-1px);
}

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 24px;
  font-size: 11px;
  font-weight: 600;
  backdrop-filter: blur(4px);
}
.badge-green { background: rgba(16,185,129,0.12); color: #34d399; border: 1px solid rgba(16,185,129,0.2); }
.badge-amber { background: rgba(245,158,11,0.12); color: #fbbf24; border: 1px solid rgba(245,158,11,0.2); }
.badge-blue { background: rgba(59,130,246,0.12); color: #60a5fa; border: 1px solid rgba(59,130,246,0.2); }

/* ═══════════════════════════════════════════════════════
   RE WIZARD STEPS
   ═══════════════════════════════════════════════════════ */
.re-wizard-steps {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1.25rem 1.5rem;
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.re-step {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  opacity: 0.4;
  transition: all var(--transition);
  user-select: none;
}
.re-step:hover { opacity: 0.7; }
.re-step.active { opacity: 1; }
.re-step.done { opacity: 0.8; }
.re-step-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  border: 2px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  font-family: 'Inter', 'Syne', sans-serif;
  color: var(--text3);
  flex-shrink: 0;
  transition: all var(--transition);
}
.re-step.active .re-step-num {
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 0 4px rgba(99,102,241,0.2), 0 0 16px var(--glow-accent);
}
.re-step.done .re-step-num {
  background: linear-gradient(135deg, var(--green), #059669);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 8px var(--glow-green);
}
.re-step-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  letter-spacing: -0.01em;
}
.re-step.active .re-step-label { color: var(--text); }
.re-step-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--border2), rgba(255,255,255,0.04));
  margin: 0 1rem;
  border-radius: 2px;
}

.re-wizard-panel { display: none; animation: panelIn 0.35s ease-out; }
.re-wizard-panel.active { display: block; }

/* ═══════════════════════════════════════════════════════
   STATE RULE CARDS
   ═══════════════════════════════════════════════════════ */
.rule-card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: transform var(--transition);
}
.rule-card:hover { transform: translateY(-2px); }
.rule-card-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text3);
  margin-bottom: 4px;
  font-weight: 600;
}
.rule-card-val {
  font-size: 22px;
  font-weight: 800;
  font-family: 'Inter', 'Syne', sans-serif;
  color: var(--text);
  letter-spacing: -0.03em;
}
.rule-card-sub { font-size: 11px; color: var(--text3); margin-top: 2px; }

/* ═══════════════════════════════════════════════════════
   TOD TABLE
   ═══════════════════════════════════════════════════════ */
.tod-peak { background: rgba(239,68,68,0.05); }
.tod-off  { background: rgba(59,130,246,0.05); }
.tod-slot-badge {
  display: inline-block;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  line-height: 24px;
  margin-right: 6px;
}

/* ═══════════════════════════════════════════════════════
   TABLES
   ═══════════════════════════════════════════════════════ */
table {
  font-family: 'Inter', 'DM Sans', sans-serif;
}
table th {
  font-weight: 700;
  letter-spacing: 0.02em;
}
table td, table th {
  border-bottom: 1px solid var(--border);
}

/* ═══════════════════════════════════════════════════════
   UPLOAD ZONE — Animated Dashed Border
   ═══════════════════════════════════════════════════════ */
.upload-zone {
  border: 2px dashed rgba(99,102,241,0.35);
  text-align: center;
  padding: 2.5rem;
  margin-bottom: 1.5rem;
  background: rgba(99,102,241,0.03);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(99,102,241,0.015) 10px,
    rgba(99,102,241,0.015) 20px
  );
}
.upload-zone:hover {
  border-color: var(--accent);
  background: rgba(99,102,241,0.06);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(99,102,241,0.12);
}

/* ═══════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }

/* ═══════════════════════════════════════════════════════
   SELECT & INPUT STYLING
   ═══════════════════════════════════════════════════════ */
select, input[type="text"] {
  font-family: 'Inter', 'DM Sans', sans-serif;
}
select:focus, input[type="text"]:focus {
  outline: none;
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
select option {
  background: #161b2a;
  color: var(--text);
}

/* ═══════════════════════════════════════════════════════
   MOBILE RESPONSIVE
   ═══════════════════════════════════════════════════════ */
.mobile-menu-btn {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 100;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(10,12,20,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.mobile-menu-btn:hover {
  background: rgba(99,102,241,0.15);
  border-color: var(--accent);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 9;
}

@media (max-width: 1100px) {
  .grid3 { grid-template-columns: 1fr 1fr; }
  .grid4 { grid-template-columns: repeat(2, 1fr); }
  .results-metrics { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .mobile-menu-btn { display: flex; }

  .sidebar {
    position: fixed;
    left: -260px;
    top: 0;
    width: 260px;
    height: 100vh;
    z-index: 50;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none;
  }
  .sidebar.open {
    left: 0;
    box-shadow: 8px 0 32px rgba(0,0,0,0.5);
  }
  .sidebar-overlay.active { display: block; }

  .main {
    padding: 1.25rem;
    padding-top: 4.5rem;
  }
  .header {
    flex-direction: column;
    gap: 12px;
  }
  .header-state { align-items: flex-start; }
  .header-title { font-size: 22px; }

  .grid2, .grid3, .grid4 { grid-template-columns: 1fr; }
  .results-metrics { grid-template-columns: 1fr 1fr; }

  .re-wizard-steps {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
    padding: 1rem;
  }
  .re-step-line { display: none; }

  .scenario-card { padding: 1.25rem; }
}

@media (max-width: 480px) {
  .main { padding: 1rem; padding-top: 4rem; }
  .results-metrics { grid-template-columns: 1fr; }
  .sector-val { font-size: 26px; }
  .metric-value { font-size: 22px; }
  .header-title { font-size: 20px; }
}

/* ═══════════════════════════════════════════════════════
   UTILITY ANIMATIONS
   ═══════════════════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 var(--glow-accent); }
  50% { box-shadow: 0 0 0 8px rgba(99,102,241,0); }
}
@keyframes shimmer {
  0% { background-position: -200px 0; }
  100% { background-position: 200px 0; }
}

/* Count-up animation helper for KPI values */
.kpi-glow {
  text-shadow: 0 0 20px currentColor;
  transition: text-shadow 0.5s;
}

/* ═══════════════════════════════════════════════════════
   MANUAL ENTRY UI
   ═══════════════════════════════════════════════════════ */

#shapeTable input[type="number"] {
  -moz-appearance: textfield;
}
#shapeTable input[type="number"]::-webkit-inner-spin-button,
#shapeTable input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
}
#shapeTable input:focus {
  outline: none;
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 2px rgba(99,102,241,0.15);
}
#monthlyTotalsGrid input:focus {
  outline: none;
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 2px rgba(99,102,241,0.15);
}
#shapeTableBody tr:hover {
  background: rgba(255,255,255,0.02);
}

/* ── Month tabs ── */
.mtab {
  padding: 7px 14px;
  border-radius: 8px 8px 0 0;
  border: 1px solid rgba(255,255,255,0.07);
  border-bottom: none;
  background: rgba(255,255,255,0.02);
  color: #64748b;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: Inter, sans-serif;
  transition: all 0.15s;
  letter-spacing: 0.02em;
}
.mtab:hover { background: rgba(99,102,241,0.08); color: #94a3b8; }
.mtab-active {
  background: rgba(99,102,241,0.12) !important;
  color: #c7d2fe !important;
  border-color: rgba(99,102,241,0.3) !important;
  border-bottom: 1px solid #0e111c !important;
  position: relative;
  z-index: 1;
}
.mtab-done { color: #34d399 !important; }

/* ═══════════════════════════════════════════════════════
   LIGHT THEME  (activated via <html data-theme="light">)
   Toggle button lives in the header; preference persists
   in localStorage. Dark remains the default.
   ═══════════════════════════════════════════════════════ */
:root[data-theme="light"] {
  --bg: #eef1f8;
  --bg2: rgba(255,255,255,0.78);
  --bg2-solid: #ffffff;
  --bg3: rgba(255,255,255,0.92);
  --bg3-solid: #ffffff;
  --border: rgba(15,23,42,0.08);
  --border2: rgba(15,23,42,0.13);
  --glass: rgba(255,255,255,0.72);
  --glass-border: rgba(15,23,42,0.08);
  --text: #0f172a;
  --text2: #475569;
  --text3: #7686a0;
  --accent: #5b5ef0;
  --accent2: #6366f1;
  --accent-text: #4338ca;
  --code-bg: rgba(15,23,42,0.06);
  --green: #059669;
  --emerald: #10b981;
  --amber: #d97706;
  --red: #dc2626;
  --blue: #2563eb;
  --glow-accent: rgba(99,102,241,0.18);
  --glow-green: rgba(16,185,129,0.16);
  --glow-amber: rgba(245,158,11,0.16);
  --glow-blue: rgba(59,130,246,0.16);
  --shadow-card: 0 1px 3px rgba(15,23,42,0.06), 0 8px 28px rgba(15,23,42,0.07);
  --shadow-hover: 0 10px 32px rgba(15,23,42,0.13), 0 2px 12px rgba(99,102,241,0.14);
}

/* Ambient layers */
:root[data-theme="light"] body::before { opacity: 0.025; }
:root[data-theme="light"] body::after {
  background: radial-gradient(circle, rgba(99,102,241,0.10) 0%, transparent 70%);
}

/* Structural surfaces that hard-coded a dark colour */
:root[data-theme="light"] .sidebar { background: rgba(255,255,255,0.82); }

/* Gradient text needs light-friendly stops */
:root[data-theme="light"] .logo-text,
:root[data-theme="light"] .header-title {
  background: linear-gradient(135deg, #0f172a 30%, #5b5ef0);
  -webkit-background-clip: text;
  background-clip: text;
}

/* Nav + badges */
:root[data-theme="light"] .nav-item:hover  { background: rgba(15,23,42,0.05); }
:root[data-theme="light"] .nav-item.active { background: rgba(99,102,241,0.12); color: #4338ca; }
:root[data-theme="light"] .state-badge     { color: #4338ca; }
:root[data-theme="light"] .year-badge      { background: rgba(15,23,42,0.04); }

/* Cards hover borders (were white-on-white in light) */
:root[data-theme="light"] .card:hover         { border-color: rgba(15,23,42,0.14); }
:root[data-theme="light"] .scenario-card:hover { border-color: rgba(15,23,42,0.18); }

/* Range sliders, tracks, buttons, steps */
:root[data-theme="light"] input[type="range"]        { background: rgba(15,23,42,0.10); }
:root[data-theme="light"] input[type="range"]:hover  { background: rgba(15,23,42,0.16); }
:root[data-theme="light"] .bar-track                 { background: rgba(15,23,42,0.07); }
:root[data-theme="light"] .detail-btn                { background: rgba(15,23,42,0.04); }
:root[data-theme="light"] .detail-btn:hover          { background: rgba(15,23,42,0.08); }
:root[data-theme="light"] .re-step-num               { background: rgba(15,23,42,0.05); }

/* Monthly tabs + table hover */
:root[data-theme="light"] .mtab {
  border: 1px solid rgba(15,23,42,0.10);
  border-bottom: none;
  background: rgba(15,23,42,0.03);
}
:root[data-theme="light"] #shapeTableBody tr:hover { background: rgba(15,23,42,0.03); }

/* Scrollbar */
:root[data-theme="light"] ::-webkit-scrollbar-thumb        { background: rgba(15,23,42,0.18); }
:root[data-theme="light"] ::-webkit-scrollbar-thumb:hover  { background: rgba(15,23,42,0.30); }

/* Native <select> dropdown list — options were dark-on-dark in light mode */
:root[data-theme="light"] select option {
  background: #ffffff;
  color: #0f172a;
}

/* ── Theme toggle button (works in both themes) ── */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--bg3);
  color: var(--text2);
  border: 1px solid var(--border2);
  padding: 6px 13px;
  border-radius: 24px;
  font-size: 12px;
  font-weight: 600;
  font-family: 'Inter', 'DM Sans', sans-serif;
  cursor: pointer;
  letter-spacing: -0.01em;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all var(--transition);
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--text);
  box-shadow: 0 0 0 3px var(--glow-accent);
}
.theme-toggle .tt-icon { font-size: 14px; line-height: 1; }

/* ═══ Analysis Tab Bar ═══ */
.atab {
  padding: 8px 16px;
  border-radius: 10px 10px 0 0;
  border: 1px solid var(--border2);
  border-bottom: none;
  background: var(--bg3);
  color: var(--text3);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', 'DM Sans', sans-serif;
  transition: all 0.15s;
  letter-spacing: 0.01em;
}
.atab:hover { background: rgba(99,102,241,0.08); color: var(--text2); }
.atab.active {
  background: var(--bg2);
  color: var(--accent);
  border-color: var(--accent);
  border-bottom: 2px solid var(--bg2);
  position: relative;
  z-index: 1;
}
.atab-panel {
  border: 1px solid var(--border);
  border-radius: 0 12px 12px 12px;
  padding: 16px;
  margin-bottom: 1.5rem;
  background: var(--bg2);
  margin-top: -1px;
}