/* =================================================================
   INDIA GHG EMISSIONS DASHBOARD — Premium Dark Academic Theme
   ================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ─── Design Tokens ─────────────────────────────────────────────── */
:root {
  --bg-0:          #f8fafc;
  --bg-1:          #ffffff;
  --bg-card:       rgba(255, 255, 255, 0.92);
  --bg-card-h:     rgba(255, 255, 255, 1);
  --border:        rgba(15, 23, 42, 0.08);
  --border-h:      rgba(15, 23, 42, 0.16);

  --cyan:          #0ea5e9;
  --cyan-10:       rgba(14, 165, 233, 0.10);
  --cyan-20:       rgba(14, 165, 233, 0.20);
  --purple:        #8b5cf6;
  --purple-10:     rgba(139, 92, 246, 0.10);
  --amber:         #f59e0b;
  --red:           #ef4444;
  --green:         #10b981;

  --text-1:        #0f172a;
  --text-2:        #475569;
  --text-3:        #94a3b8;

  --r-sm:          6px;
  --r-md:          12px;
  --r-lg:          16px;
  --r-xl:          24px;

  --glow:          0 0 18px rgba(14, 165, 233, 0.14);
  --shadow:        0 4px 24px rgba(15, 23, 42, 0.06);
  --ease:          cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset & Base ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; font-size: 14px; }
body  {
  font-family: 'Inter', sans-serif;
  background: var(--bg-0);
  color: var(--text-1);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Subtle grid overlay */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(14, 165, 233, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.025) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none; z-index: 0;
}

/* ─── HEADER ─────────────────────────────────────────────────────── */
.dash-header {
  position: sticky; top: 0; z-index: 200;
  display: flex; align-items: center; gap: 20px;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
}

.header-brand { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand-icon   { font-size: 28px; filter: drop-shadow(0 0 8px rgba(0,212,255,0.55)); }
.brand-title  {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 19px; font-weight: 700; line-height: 1.2;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand-sub { font-size: 11px; color: var(--text-3); margin-top: 1px; }

/* Year control */
.header-center { flex: 1; display: flex; justify-content: center; }
.year-ctl {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 9px 20px;
  min-width: 420px;
}

.play-btn {
  width: 34px; height: 34px; border-radius: 50%; border: none;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: #fff; font-size: 13px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 12px rgba(0,212,255,0.28);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
  flex-shrink: 0;
}
.play-btn:hover { transform: scale(1.12); box-shadow: 0 0 20px rgba(0,212,255,0.5); }

.slider-wrap  { flex: 1; }
.year-slider  {
  width: 100%; -webkit-appearance: none;
  height: 4px; border-radius: 2px;
  background: linear-gradient(to right, var(--cyan), var(--purple));
  outline: none; cursor: pointer;
}
.year-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 17px; height: 17px; border-radius: 50%;
  background: #fff; border: 3px solid var(--cyan);
  box-shadow: 0 0 8px rgba(0,212,255,0.6);
  cursor: pointer; transition: transform 0.15s;
}
.year-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }

.slider-labels { display: flex; justify-content: space-between; align-items: center; margin-top: 3px; }
.slider-labels span { font-size: 10px; color: var(--text-3); }
.year-display  {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px !important; font-weight: 700 !important;
  color: var(--cyan) !important;
  text-shadow: 0 0 10px rgba(0,212,255,0.5);
}

/* Header right */
.header-right { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.filter-grp   { display: flex; flex-direction: column; gap: 2px; }
.filter-grp label { font-size: 9px; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; }
.filter-sel {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-sm); color: var(--text-1);
  padding: 5px 10px; font-size: 11.5px; cursor: pointer;
  outline: none; font-family: 'Inter', sans-serif;
  transition: border-color 0.2s; min-width: 175px;
}
.filter-sel:hover, .filter-sel:focus { border-color: var(--cyan); }

.data-mode {
  display: flex; align-items: center; gap: 6px;
  background: rgba(16,185,129,0.09);
  border: 1px solid rgba(16,185,129,0.28);
  border-radius: var(--r-sm); padding: 5px 11px;
  font-size: 10.5px; color: var(--green); white-space: nowrap;
}
.pulse-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}

/* ─── DATA REQUEST MODAL ────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s var(--ease);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal-box {
  background: var(--bg-1);
  border: 1px solid var(--border-h);
  border-radius: var(--r-xl);
  padding: 36px;
  width: min(680px, 95vw);
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 60px rgba(15,23,42,0.15), 0 0 40px rgba(14, 165, 233, 0.08);
  animation: fadeInUp 0.3s var(--ease);
}

.modal-close {
  position: absolute; top: 16px; right: 18px;
  background: transparent; border: none;
  color: var(--text-3); font-size: 18px; cursor: pointer;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--cyan); }

.modal-header { text-align: center; margin-bottom: 28px; }
.modal-icon   { font-size: 36px; margin-bottom: 10px; }
.modal-title  {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px; font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 8px;
}
.modal-sub { font-size: 12.5px; color: var(--text-2); line-height: 1.7; }

/* Form */
.form-row  { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group{ display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-group label { font-size: 11.5px; color: var(--text-2); font-weight: 500; }
.req { color: var(--red); }

.form-group input,
.form-group textarea,
.form-group select {
  background: rgba(248, 250, 252, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-1); padding: 9px 12px;
  font-size: 12.5px; font-family: 'Inter', sans-serif;
  outline: none; transition: border-color 0.2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--cyan); box-shadow: 0 0 0 2px var(--cyan-10); }
.form-group select { cursor: pointer; }

.form-check  { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 20px; }
.form-check input[type=checkbox] { margin-top: 2px; accent-color: var(--cyan); flex-shrink:0; }
.form-check label { font-size: 11.5px; color: var(--text-2); line-height: 1.6; }

.submit-btn {
  width: 100%; padding: 12px;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border: none; border-radius: var(--r-sm);
  color: #fff; font-size: 14px; font-weight: 600;
  cursor: pointer; transition: opacity 0.2s, transform 0.2s;
  font-family: 'Inter', sans-serif; letter-spacing: 0.02em;
}
.submit-btn:hover { opacity: 0.88; transform: translateY(-1px); }

.modal-footer-note {
  margin-top: 20px; padding: 12px 16px;
  background: rgba(239,68,68,0.07); border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--r-sm); font-size: 11px; color: var(--red);
  text-align: center;
}

.success-panel {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: 12px; padding: 20px 0;
}
.success-icon { font-size: 48px; }
.success-panel h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px; font-weight: 700; color: var(--cyan);
}
.success-panel p { font-size: 13px; color: var(--text-2); line-height: 1.7; max-width: 380px; }
.success-panel .submit-btn { max-width: 200px; margin-top: 8px; }

/* ─── STATS BAR ──────────────────────────────────────────────────── */
.stats-bar {
  display: flex; gap: 10px; padding: 12px 24px;
  background: var(--bg-1); border-bottom: 1px solid var(--border);
  overflow-x: auto; position: relative; z-index: 1;
}

.stat-card {
  display: flex; align-items: center; gap: 11px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 11px 16px;
  min-width: 170px; flex: 1;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.stat-card:hover { border-color: var(--border-h); box-shadow: var(--glow); transform: translateY(-2px); }

.stat-ico  { font-size: 22px; flex-shrink: 0; }
.stat-label{ font-size: 9.5px; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 1px; }
.stat-val  {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px; font-weight: 700; color: var(--cyan); line-height: 1.1;
}
.stat-unit { font-size: 9.5px; color: var(--text-3); margin-top: 1px; }

/* ─── LAYOUT GRID ────────────────────────────────────────────────── */
.main-grid {
  display: grid; grid-template-columns: 1fr 370px;
  gap: 14px; padding: 14px 24px;
  position: relative; z-index: 1; min-height: 560px;
}

.analysis-grid {
  display: grid; grid-template-columns: 2fr 1.1fr;
  gap: 14px; padding: 0 24px;
  position: relative; z-index: 1;
}

.decadal-grid {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 14px; padding: 14px 24px 0;
  position: relative; z-index: 1;
}

/* ─── MAP SECTION ────────────────────────────────────────────────── */
.map-section {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  display: flex; flex-direction: column;
}

.sec-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.sec-title { font-family: 'Space Grotesk', sans-serif; font-size: 14px; font-weight: 600; }
.sec-sub   { font-size: 11px; color: var(--cyan); font-weight: 500; }

.map-container { flex: 1; min-height: 440px; background: #f1f5f9; }

/* Leaflet overrides */
.leaflet-container { background: #f1f5f9 !important; }
.leaflet-control-zoom a {
  background: var(--bg-card) !important; color: var(--text-2) !important;
  border-color: var(--border) !important;
}
.leaflet-control-zoom a:hover { color: var(--cyan) !important; }

.leaflet-tooltip-custom {
  background: rgba(255,255,255,0.97) !important;
  border: 1px solid rgba(15,23,42,0.12) !important;
  color: var(--text-1) !important;
  border-radius: var(--r-sm) !important;
  padding: 8px 12px !important;
  font-family: 'Inter', sans-serif !important;
  font-size: 12px !important;
  box-shadow: 0 4px 20px rgba(15,23,42,0.08) !important;
  pointer-events: none !important;
}
.leaflet-tooltip-custom::before { display: none !important; }

.map-tooltip .tt-state { font-weight: 600; color: var(--cyan); margin-bottom: 2px; }
.map-tooltip .tt-year  { font-size: 10px; color: var(--text-3); }
.map-tooltip .tt-val   { font-size: 15px; font-weight: 700; color: var(--text-1); margin-top: 2px; }
.map-tooltip .tt-val span { font-size: 10px; color: var(--text-3); }

.map-legend { padding: 10px 16px; border-top: 1px solid var(--border); }
.legend-title { font-size: 10px; color: var(--text-3); margin-bottom: 5px; }
.legend-bar   {
  height: 8px; border-radius: 4px;
  background: linear-gradient(to right, #1a3a5c, #1e5a8a, #2563eb, #fbbf24, #f97316, #ef4444, #7c3aed);
  margin-bottom: 4px;
}
.legend-vals  { display: flex; justify-content: space-between; font-size: 9.5px; color: var(--text-3); }

.map-error {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 440px; gap: 8px; color: var(--text-3);
}
.map-error div { font-size: 36px; }
.map-error p   { font-size: 14px; }
.map-error small { font-size: 11px; }

/* ─── RIGHT PANEL ────────────────────────────────────────────────── */
.right-panel { display: flex; flex-direction: column; gap: 14px; }

.state-card {
  background: linear-gradient(135deg, var(--cyan-10), var(--purple-10));
  border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 14px;
  min-height: 88px; display: flex; align-items: flex-start; flex-direction: column; gap: 8px;
}
.state-name  { font-family: 'Space Grotesk', sans-serif; font-size: 15px; font-weight: 600; color: var(--cyan); }
.state-stats { font-size: 11.5px; color: var(--text-2); display: flex; gap: 14px; flex-wrap: wrap; }
.state-stat-item  { display: flex; flex-direction: column; }
.state-stat-label { font-size: 9.5px; color: var(--text-3); }
.state-stat-value { font-weight: 600; color: var(--text-1); }

/* ─── CHART CARDS ────────────────────────────────────────────────── */
.chart-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-md); overflow: hidden;
  transition: border-color .25s var(--ease);
}
.chart-card:hover { border-color: var(--cyan-20); }

.chart-hdr {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 15px; border-bottom: 1px solid var(--border);
}
.chart-hdr h3 { font-family: 'Space Grotesk', sans-serif; font-size: 12.5px; font-weight: 600; }

.badge {
  background: var(--cyan-10); border: 1px solid var(--cyan-20);
  color: var(--cyan); border-radius: 20px;
  padding: 2px 9px; font-size: 10.5px; font-weight: 500; white-space: nowrap;
}

.chart-btns { display: flex; gap: 4px; }
.chart-btn  {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-3); border-radius: 20px;
  padding: 3px 10px; font-size: 10px;
  cursor: pointer; transition: all .2s; font-family: 'Inter', sans-serif;
}
.chart-btn:hover, .chart-btn.active {
  background: var(--cyan-10); border-color: var(--cyan); color: var(--cyan);
}

/* Chart area heights */
.h-sm  { height: 262px; }
.h-md  { height: 290px; }
.h-lg  { height: 300px; }

/* ─── FOOTER ─────────────────────────────────────────────────────── */
.dash-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; gap: 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-1);
  position: relative; z-index: 1;
  margin-top: 14px;
}
.footer-left p   { font-size: 10.5px; color: var(--text-3); margin-bottom: 3px; }
.footer-left strong { color: var(--text-2); }
.footer-right    { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; }

.dl-btn {
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border: none; border-radius: var(--r-sm);
  color: #fff; padding: 7px 17px; font-size: 11.5px; font-weight: 600;
  cursor: pointer; transition: opacity .2s, transform .2s;
  font-family: 'Inter', sans-serif;
}
.dl-btn:hover { opacity: 0.86; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,212,255,0.3); }

.footer-credits { font-size: 9.5px; color: var(--text-3); }

/* PDF download button — green gradient */
.dl-btn-pdf {
  background: linear-gradient(135deg, #10b981, #059669) !important;
  box-shadow: 0 0 0 1px rgba(16,185,129,0.25);
}
.dl-btn-pdf:hover { box-shadow: 0 4px 14px rgba(16,185,129,0.35) !important; }

/* ─── REPORT MODAL extras ─────────────────────────────────────── */
/* Neutral info note (overrides red bg) */
#reportModal .modal-footer-note {
  background: rgba(0,212,255,0.06);
  border-color: rgba(0,212,255,0.18);
  color: var(--text-2);
}

.rpt-section-label {
  font-size: 9.5px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--cyan);
  margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
}
.rpt-section-label::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(to right, var(--border), transparent);
}

.rpt-checks {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.rpt-chk {
  display: flex; align-items: center; gap: 7px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 9px 12px;
  font-size: 11.5px; color: var(--text-2); cursor: pointer;
  transition: border-color .2s, background .2s;
}
.rpt-chk:hover { border-color: var(--cyan-20); background: var(--bg-card-h); }
.rpt-chk input[type=checkbox] {
  accent-color: var(--cyan); width:14px; height:14px; flex-shrink: 0;
}

@media (max-width: 640px) { .rpt-checks { grid-template-columns: 1fr; } }

/* ─── SCROLLBAR ──────────────────────────────────────────────────── */
::-webkit-scrollbar       { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: rgba(0,212,255,0.18); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,212,255,0.35); }

/* ─── ANIMATIONS ─────────────────────────────────────────────────── */
@keyframes pulse        { 0%,100%{opacity:1} 50%{opacity:.3} }
@keyframes fadeInUp     { from{opacity:0;transform:translateY(18px)} to{opacity:1;transform:translateY(0)} }

.stats-bar    { animation: fadeInUp .45s var(--ease) both; }
.main-grid    { animation: fadeInUp .5s .05s var(--ease) both; }
.analysis-grid{ animation: fadeInUp .5s .1s var(--ease) both; }
.decadal-grid { animation: fadeInUp .5s .15s var(--ease) both; }

/* ─── RESPONSIVE ─────────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .main-grid     { grid-template-columns: 1fr; }
  .right-panel   { display: grid; grid-template-columns: 1fr 1fr; }
  .analysis-grid { grid-template-columns: 1fr; }
  .decadal-grid  { grid-template-columns: 1fr; }
  .year-ctl      { min-width: 280px; }
}

@media (max-width: 768px) {
  .dash-header   { flex-wrap: wrap; }
  .header-center { order: 3; flex: 0 0 100%; }
  .right-panel   { grid-template-columns: 1fr; }
}