/* EcoMap design tokens — theme + dark mode + 3 palettes */
:root {
  /* fonts */
  --font-sans: "Noto Sans TC", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;

  /* base palette — paper + ink */
  --bg: #efece4;
  --bg-elev: #f5f3ec;
  --surface: #fffdf7;
  --surface-2: #f7f4ec;
  --border: #d8d3c2;
  --border-soft: #e6e1d3;
  --ink: #1c241f;
  --ink-2: #3a4540;
  --ink-3: #6b736d;
  --ink-4: #8f948c;

  /* primary (deep forest) */
  --primary: #2d5a3f;
  --primary-2: #224630;
  --primary-soft: #d4dfc9;
  --primary-tint: #ecf1e3;
  --on-primary: #fffdf7;

  /* eco level colors */
  --lv-aplus: #1a4d2e;
  --lv-a: #4a7c3a;
  --lv-b: #b89a1f;
  --lv-c: #c97a2c;
  --lv-d: #8a8a8a;

  /* feedback */
  --warn: #c97a2c;
  --danger: #b04a3f;
  --info: #3d6a8a;
  --warn-soft: #f6e9d4;
  --info-soft: #d8e6f0;
  --danger-soft: #f0d8d4;

  --shadow-sm: 0 1px 0 rgba(28,36,31,0.04), 0 1px 2px rgba(28,36,31,0.04);
  --shadow-md: 0 2px 4px rgba(28,36,31,0.04), 0 8px 24px rgba(28,36,31,0.06);
  --shadow-lg: 0 4px 8px rgba(28,36,31,0.06), 0 16px 40px rgba(28,36,31,0.08);

  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
}

/* theme: ocean */
[data-theme="ocean"] {
  --primary: #1f4f6f;
  --primary-2: #163b55;
  --primary-soft: #cbdde9;
  --primary-tint: #e6eef4;
  --lv-aplus: #163b55;
  --lv-a: #3a7299;
}
/* theme: warm */
[data-theme="warm"] {
  --primary: #a04e22;
  --primary-2: #7e3c19;
  --primary-soft: #ecd4bf;
  --primary-tint: #f6e8da;
  --lv-aplus: #7e3c19;
  --lv-a: #a04e22;
}

/* dark mode */
[data-mode="dark"] {
  --bg: #0e1411;
  --bg-elev: #131a16;
  --surface: #1a2520;
  --surface-2: #202b26;
  --border: #2c3934;
  --border-soft: #232e29;
  --ink: #e8eae0;
  --ink-2: #b8bdb3;
  --ink-3: #828a82;
  --ink-4: #5d645d;
  --primary: #5fa872;
  --primary-2: #4d8a5e;
  --primary-soft: #2a3a30;
  --primary-tint: #1c2a22;
  --on-primary: #0e1411;
  --lv-aplus: #6db982;
  --lv-a: #5fa872;
  --lv-b: #d4b94e;
  --lv-c: #d99459;
  --lv-d: #6b736d;
  --shadow-sm: 0 1px 0 rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 2px 4px rgba(0,0,0,0.3), 0 8px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 4px 8px rgba(0,0,0,0.4), 0 16px 40px rgba(0,0,0,0.5);
  --warn-soft: rgba(217, 148, 89, 0.15);
  --info-soft: rgba(91, 155, 192, 0.15);
  --danger-soft: rgba(176, 74, 63, 0.15);
}
[data-mode="dark"][data-theme="ocean"] {
  --primary: #5b9bc0;
  --primary-2: #4882a6;
  --primary-soft: #1c2c38;
  --primary-tint: #15212b;
  --lv-aplus: #6fb4dd;
  --lv-a: #5b9bc0;
}
[data-mode="dark"][data-theme="warm"] {
  --primary: #d68a5a;
  --primary-2: #b8704a;
  --primary-soft: #3a2a20;
  --primary-tint: #2a1f17;
  --lv-aplus: #e09a6a;
  --lv-a: #d68a5a;
}

/* base */
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font-sans); color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
button { font-family: inherit; }

/* shared atoms */
.em-chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 500;
  background: var(--primary-tint); color: var(--primary);
  border: 1px solid var(--primary-soft);
  letter-spacing: 0.02em;
}
.em-chip--ghost {
  background: transparent; border-color: var(--border);
  color: var(--ink-3);
}
.em-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 16px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500;
  background: var(--primary); color: var(--on-primary);
  border: 1px solid var(--primary-2); cursor: pointer;
  transition: filter .12s, transform .04s;
  font-family: inherit;
}
.em-btn:hover { filter: brightness(0.95); }
.em-btn:active { transform: translateY(1px); }
.em-btn--ghost { background: transparent; color: var(--ink); border-color: var(--border); }
.em-btn--ghost:hover { background: var(--surface-2); }
.em-btn--sm { padding: 6px 12px; font-size: 12px; }

.em-card {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

/* eco level pill */
.em-level {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 2px 8px; border-radius: 4px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--on-primary);
}
.em-level--aplus { background: var(--lv-aplus); }
.em-level--a { background: var(--lv-a); }
.em-level--b { background: var(--lv-b); }
.em-level--c { background: var(--lv-c); }
.em-level--d { background: var(--lv-d); }

/* score donut helper */
.em-score-num {
  font-family: var(--font-mono); font-feature-settings: "tnum";
}

/* grid lines for fake map */
.em-map-grid {
  background-color: var(--surface-2);
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* table */
.em-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.em-table th { text-align: left; font-weight: 500; color: var(--ink-3); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; padding: 10px 12px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.em-table td { padding: 14px 12px; border-bottom: 1px solid var(--border-soft); color: var(--ink-2); }
.em-table tr:hover td { background: var(--bg-elev); }

/* scrollbar reset inside frames */
.em-noscroll::-webkit-scrollbar { display: none; }
.em-noscroll { scrollbar-width: none; }