:root {
  --bg: #0b1220;
  --card: rgba(255,255,255,0.06);
  --card-border: rgba(255,255,255,0.12);
  --text: #e8eef7;
  --muted: #94a3b8;
  --accent: #f5c542;
  --accent2: #3b82f6;
  --success: #22c55e;
  --danger: #ef4444;
  --radius: 16px;
  --shadow: 0 12px 40px rgba(0,0,0,0.35);
}
[data-theme="emerald"] { --accent: #34d399; --accent2: #059669; }
[data-theme="sunset"] { --accent: #fb923c; --accent2: #f43f5e; }
[data-theme="midnight"] { --accent: #a78bfa; --accent2: #6366f1; }
[data-theme="royal"] { --accent: #f5c542; --accent2: #3b82f6; }
[data-theme="ocean"] { --accent: #38bdf8; --accent2: #0284c7; }
[data-theme="rose"] { --accent: #fb7185; --accent2: #e11d48; }

* { box-sizing: border-box; }
body {
  margin: 0; font-family: Inter, system-ui, Segoe UI, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #1e3a5f 0%, transparent 50%),
              radial-gradient(900px 500px at 100% 0%, #3b1d6e 0%, transparent 45%),
              var(--bg);
  color: var(--text); min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 1rem 1.25rem 3rem; }

.brand-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 1.25rem; backdrop-filter: blur(12px);
  background: rgba(0,0,0,0.35); border-bottom: 1px solid var(--card-border);
  position: sticky; top: 0; z-index: 50;
}
.brand-bar img.logo { height: 48px; width: auto; border-radius: 8px; }
.brand-bar .nav { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }

.hero {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2rem; align-items: center;
  padding: 2.5rem 0 1rem;
}
@media (max-width: 800px) { .hero { grid-template-columns: 1fr; } }
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin: 0 0 0.75rem; line-height: 1.15; }
.hero h1 span { color: var(--accent); }
.hero p { color: var(--muted); font-size: 1.05rem; line-height: 1.6; }

.card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 1.35rem 1.4rem; box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.card h2, .card h3 { margin-top: 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.7rem 1.2rem; border: none; border-radius: 12px; cursor: pointer;
  font-weight: 700; font-size: 0.95rem; transition: transform 0.12s, box-shadow 0.12s;
  color: #0b1220; background: linear-gradient(145deg, var(--accent), #eab308);
  box-shadow: 0 6px 0 #a16207, 0 10px 20px rgba(0,0,0,0.25);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(3px); box-shadow: 0 2px 0 #a16207; }
.btn-secondary {
  background: linear-gradient(145deg, var(--accent2), #1d4ed8);
  color: #fff; box-shadow: 0 6px 0 #1e3a8a, 0 10px 20px rgba(0,0,0,0.25);
}
.btn-ghost {
  background: transparent; color: var(--text); border: 1px solid var(--card-border);
  box-shadow: none;
}
.btn-danger {
  background: linear-gradient(145deg, #f87171, #dc2626); color: #fff;
  box-shadow: 0 6px 0 #991b1b, 0 10px 20px rgba(0,0,0,0.25);
}
.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.82rem; border-radius: 10px; box-shadow: 0 3px 0 #a16207; }
.btn-block { width: 100%; }

.form-group { margin-bottom: 0.9rem; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--muted); margin-bottom: 0.3rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.7rem 0.85rem; border-radius: 10px;
  border: 1px solid var(--card-border); background: rgba(0,0,0,0.35); color: var(--text);
  font-size: 0.95rem;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(245,197,66,0.2);
}
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.5rem; }
.checkbox-grid label { display: flex; gap: 0.4rem; align-items: center; font-size: 0.88rem; color: var(--text); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 700px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.kpi {
  background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid var(--card-border); border-radius: 14px; padding: 1rem 1.1rem;
}
.kpi .label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.kpi .value { font-size: 1.45rem; font-weight: 800; margin-top: 0.25rem; color: var(--accent); }

table.data { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.data th, table.data td { padding: 0.65rem 0.5rem; border-bottom: 1px solid var(--card-border); text-align: left; }
table.data th { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; }

.badge {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px; font-size: 0.75rem; font-weight: 700;
}
.badge-ok { background: rgba(34,197,94,0.2); color: #4ade80; }
.badge-warn { background: rgba(245,197,66,0.2); color: #fbbf24; }
.badge-bad { background: rgba(239,68,68,0.2); color: #f87171; }

.alert {
  padding: 0.85rem 1rem; border-radius: 12px; margin-bottom: 1rem; font-size: 0.92rem;
}
.alert-info { background: rgba(59,130,246,0.15); border: 1px solid rgba(59,130,246,0.35); }
.alert-success { background: rgba(34,197,94,0.15); border: 1px solid rgba(34,197,94,0.35); }
.alert-error { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.35); }

.sidebar-layout { display: grid; grid-template-columns: 220px 1fr; gap: 1.25rem; }
@media (max-width: 800px) { .sidebar-layout { grid-template-columns: 1fr; } }
.side-nav a {
  display: block; padding: 0.65rem 0.9rem; border-radius: 10px; color: var(--text);
  margin-bottom: 0.25rem; font-weight: 600; font-size: 0.9rem;
}
.side-nav a:hover, .side-nav a.active { background: rgba(245,197,66,0.15); color: var(--accent); }

#reader { width: 100%; max-width: 420px; margin: 0 auto; border-radius: 12px; overflow: hidden; }
.receipt-preview {
  max-width: 320px; margin: 1rem auto; background: #fff; color: #111; padding: 1rem;
  border-radius: 8px; font-family: ui-monospace, monospace; font-size: 0.8rem;
  box-shadow: var(--shadow);
}
.footer { text-align: center; color: var(--muted); font-size: 0.8rem; padding: 2rem 1rem; }





/* Landscape: keep dashboard structure */
@media (orientation: landscape) and (min-width: 600px) {
  .sidebar-layout { grid-template-columns: 200px 1fr !important; }
  .grid-3 { grid-template-columns: repeat(3, 1fr) !important; }
  .grid-2 { grid-template-columns: 1fr 1fr !important; }
  .brand-bar { padding: 0.5rem 1rem; }
  .brand-bar img.logo { height: 40px; }
  .container { padding-top: 0.5rem; }
  .kpi .value { font-size: 1.2rem; }
}
@media (orientation: landscape) and (max-height: 500px) {
  .home-wrap { min-height: auto; padding: 0.75rem; }
  .home-logo { width: min(120px, 30vw); margin: 0.25rem auto; }
}

.chart-3d {
  perspective: 900px;
  transform-style: preserve-3d;
  position: relative;
}
.chart-3d::after {
  content: "";
  position: absolute; left: 12%; right: 12%; bottom: 8px; height: 14px;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.35), transparent 70%);
  filter: blur(4px); pointer-events: none; z-index: 0;
}
.chart-3d canvas {
  position: relative; z-index: 1;
  transform: rotateX(12deg) rotateY(-4deg) scale(0.96);
  transform-origin: center bottom;
  transition: transform 0.45s ease;
  filter: drop-shadow(0 16px 22px rgba(0,0,0,0.4));
  animation: chartRise 1.2s ease-out;
}
.chart-3d:hover canvas {
  transform: rotateX(2deg) rotateY(0deg) scale(1);
}
@keyframes chartRise {
  from { opacity: 0; transform: rotateX(24deg) scale(0.9); }
  to { opacity: 1; transform: rotateX(12deg) rotateY(-4deg) scale(0.96); }
}

.chart-3d {
  background: linear-gradient(160deg, rgba(255,255,255,0.07), rgba(0,0,0,0.15));
  overflow: visible !important;
}
.chart-3d canvas {
  transform: perspective(600px) rotateX(18deg) rotateZ(-2deg) scale(0.94) !important;
  filter: drop-shadow(8px 20px 16px rgba(0,0,0,0.45)) !important;
}

.nav-scroll {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 0.25rem;
  max-width: 70vw;
  -webkit-overflow-scrolling: touch;
}
.nav-scroll::-webkit-scrollbar { height: 0; }
.icon-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}
@media (min-width: 720px) {
  .icon-grid { grid-template-columns: repeat(4, 1fr); }
}
.icon-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-decoration: none;
  color: inherit;
  min-height: 148px;
  padding: 1.25rem 0.75rem;
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(255,255,255,0.12), rgba(0,0,0,0.25));
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 12px 28px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.15);
  transform: translateY(0);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.icon-tile:hover, .icon-tile:active {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 18px 36px rgba(0,0,0,0.45);
}
.icon-3d {
  font-size: 3.2rem;
  line-height: 1;
  filter: drop-shadow(0 8px 10px rgba(0,0,0,0.45));
  transform: perspective(400px) rotateX(12deg);
  margin-bottom: 0.55rem;
}
.icon-label { font-weight: 800; font-size: 1.05rem; }
.icon-sub { font-size: 0.78rem; color: var(--muted); margin-top: 0.2rem; }
.icon-badge {
  position: absolute; top: 10px; right: 10px;
  background: #ef4444; color: #fff; font-size: 0.72rem; font-weight: 700;
  padding: 0.2rem 0.5rem; border-radius: 99px;
  box-shadow: 0 4px 10px rgba(239,68,68,0.5);
  animation: pulse 1.6s ease infinite;
}
@keyframes pulse {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}
.icon-gold { background: linear-gradient(160deg, rgba(245,197,66,0.22), rgba(15,23,42,0.9)); }
.icon-blue { background: linear-gradient(160deg, rgba(59,130,246,0.25), rgba(15,23,42,0.9)); }
.icon-green { background: linear-gradient(160deg, rgba(34,197,94,0.22), rgba(15,23,42,0.9)); }
.icon-purple { background: linear-gradient(160deg, rgba(167,139,250,0.25), rgba(15,23,42,0.9)); }
.chart-stage canvas { filter: drop-shadow(0 14px 18px rgba(0,0,0,0.4)); }
.dash-hero { display: flex; justify-content: space-between; align-items: center; }

.chart-panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(0,0,0,0.2));
  border: 1px solid rgba(255,255,255,0.1);
}
.chart-stage {
  perspective: 1000px;
  padding: 0.75rem;
}
.chart-stage canvas {
  transform: none;
  filter: drop-shadow(0 18px 24px rgba(0,0,0,0.55)) drop-shadow(0 2px 0 rgba(255,255,255,0.05));
  animation: chartPop 1s ease-out;
}
@keyframes chartPop {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

/* Full background theme mixes (up to four) */
[data-theme="mix1"] {
  --bg: #0f172a;
  --bg2: #1e3a5f;
  --accent: #38bdf8;
  --accent2: #f5c542;
  --card: rgba(30, 58, 95, 0.85);
  --card-border: rgba(56, 189, 248, 0.25);
  --text: #f0f9ff;
  --muted: #94a3b8;
}
[data-theme="mix1"] body {
  background: linear-gradient(145deg, #0f172a 0%, #1e3a5f 45%, #0c4a6e 100%) fixed !important;
}
[data-theme="mix2"] {
  --bg: #1a0b2e;
  --bg2: #3b0764;
  --accent: #f472b6;
  --accent2: #c084fc;
  --card: rgba(59, 7, 100, 0.8);
  --card-border: rgba(244, 114, 182, 0.3);
  --text: #fdf4ff;
  --muted: #d8b4fe;
}
[data-theme="mix2"] body {
  background: linear-gradient(160deg, #1a0b2e 0%, #3b0764 50%, #701a75 100%) fixed !important;
}
[data-theme="mix3"] {
  --bg: #052e16;
  --bg2: #14532d;
  --accent: #4ade80;
  --accent2: #fbbf24;
  --card: rgba(20, 83, 45, 0.85);
  --card-border: rgba(74, 222, 128, 0.28);
  --text: #f0fdf4;
  --muted: #86efac;
}
[data-theme="mix3"] body {
  background: linear-gradient(150deg, #052e16 0%, #14532d 40%, #365314 100%) fixed !important;
}
[data-theme="mix4"] {
  --bg: #1c1917;
  --bg2: #7c2d12;
  --accent: #fb923c;
  --accent2: #fde68a;
  --card: rgba(68, 64, 60, 0.88);
  --card-border: rgba(251, 146, 60, 0.3);
  --text: #fff7ed;
  --muted: #fdba74;
}
[data-theme="mix4"] body {
  background: linear-gradient(155deg, #1c1917 0%, #7c2d12 48%, #9a3412 100%) fixed !important;
}

.sub-chart-wrap { max-width: 280px; margin: 1.25rem auto; text-align: center; }
.sub-chart-inner {
  position: relative;
  width: 240px; height: 240px;
  margin: 0 auto;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,0.12), transparent 55%),
              linear-gradient(160deg, rgba(255,255,255,0.06), rgba(0,0,0,0.25));
  box-shadow:
    0 22px 40px rgba(0,0,0,0.45),
    0 8px 16px rgba(0,0,0,0.3),
    inset 0 2px 8px rgba(255,255,255,0.12),
    inset 0 -6px 16px rgba(0,0,0,0.35);
  transform: perspective(600px) rotateX(12deg);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  padding: 12px;
}
.chart-3d-touch:hover .sub-chart-inner,
.chart-3d-touch:active .sub-chart-inner {
  transform: perspective(600px) rotateX(4deg) scale(1.03);
  box-shadow:
    0 28px 48px rgba(0,0,0,0.5),
    0 10px 20px rgba(0,0,0,0.35),
    inset 0 2px 10px rgba(255,255,255,0.15);
}
.sub-chart-inner canvas { position: relative; z-index: 1; }
.sub-chart-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  pointer-events: none; z-index: 2;
  transform: translateY(4px);
}
.sub-chart-pct { font-size: 1.75rem; font-weight: 900; color: var(--accent); text-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.sub-chart-label { font-size: 0.75rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* Upright 3D charts — look pickable */
.dash-charts { align-items: stretch; }
.chart-lift {
  position: relative;
  overflow: visible;
  transform: perspective(900px) rotateX(6deg);
  transform-style: preserve-3d;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  box-shadow:
    0 18px 36px rgba(0,0,0,0.4),
    0 6px 12px rgba(0,0,0,0.25),
    inset 0 1px 0 rgba(255,255,255,0.08);
}
.chart-lift:hover {
  transform: perspective(900px) rotateX(2deg) translateY(-6px) scale(1.01);
  box-shadow:
    0 28px 48px rgba(0,0,0,0.5),
    0 10px 20px rgba(0,0,0,0.3),
    inset 0 1px 0 rgba(255,255,255,0.12);
}
.chart-title {
  margin: 0 0 0.15rem;
  font-weight: 800;
  font-size: 1.05rem;
}
.chart-sub {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}
.chart-stage-3d {
  height: 300px;
  position: relative;
  border-radius: 14px;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(0,0,0,0.35), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,0.04), transparent 40%);
  padding: 0.5rem;
}
.chart-stage-3d canvas {
  filter: drop-shadow(4px 10px 14px rgba(0,0,0,0.4));
}
@media (orientation: landscape) and (min-width: 600px) {
  .chart-stage-3d { height: 280px; }
  .chart-lift { transform: perspective(900px) rotateX(4deg); }
}