/* AimpathyMinds design tokens
 * Calm density, hairline borders, semantic-only color, monospace where IDs/timestamps live.
 * HIG-derived in spirit (clarity, depth, feedback) — not a copy of any platform UI.
 */

:root {
  /* Type — Geist UI / Newsreader display / JetBrains Mono for IDs+timestamps+cost */
  --font-ui: "Geist", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-display: "Newsreader", "Iowan Old Style", Georgia, serif;
  --font-mono: "JetBrains Mono", "SF Mono", "IBM Plex Mono", ui-monospace, monospace;

  /* Type scale — 4px baseline, tabular numerics by default */
  --t-12: 12px; --t-13: 13px; --t-14: 14px; --t-15: 15px;
  --t-16: 16px; --t-18: 18px; --t-20: 20px; --t-24: 24px;
  --t-32: 32px; --t-44: 44px;
  --lh-tight: 1.2; --lh-normal: 1.45; --lh-loose: 1.6;
  --tracking-tight: -0.014em;
  --tracking-mono: 0.01em;

  /* Spacing — 4px baseline */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px;
  --s-5: 20px; --s-6: 24px; --s-8: 32px; --s-10: 40px;
  --s-12: 48px; --s-16: 64px;

  /* Radii — restrained, not round */
  --r-1: 3px; --r-2: 5px; --r-3: 7px; --r-4: 10px; --r-pill: 999px;

  /* Hairlines — 0.5px on retina via box-shadow inset trick where it matters */
  --hairline: 0.5px;

  /* Light theme — layered cool greys with subtle teal undertone */
  --bg-app: oklch(0.93 0.008 200);               /* app shell — recessed canvas */
  --bg-base: oklch(0.965 0.006 200);             /* base canvas */
  --bg-raised: oklch(0.995 0.003 200);           /* raised panel */
  --bg-elevated: oklch(1 0 0);                   /* highest panel inside raised */
  --bg-sunken: oklch(0.945 0.008 200);           /* sunken (e.g. inputs, table stripes) */
  --bg-overlay: oklch(0.99 0.004 200 / 0.78);    /* floating, with backdrop blur */
  --bg-stripe: oklch(0.955 0.006 200);           /* zebra row */

  --fg-1: oklch(0.2 0.015 230);                  /* primary text */
  --fg-2: oklch(0.42 0.015 220);                 /* secondary */
  --fg-3: oklch(0.6 0.012 220);                  /* tertiary / placeholder */
  --fg-4: oklch(0.74 0.01 220);                  /* quaternary / disabled */

  --border-1: oklch(0.88 0.012 210);             /* hairline */
  --border-2: oklch(0.8 0.014 210);              /* stronger hairline */
  --border-3: oklch(0.7 0.018 210);              /* stronger still */
  --border-focus: oklch(0.52 0.13 200);

  /* Portfolio accent — distinct teal */
  --accent: oklch(0.52 0.11 200);
  --accent-strong: oklch(0.42 0.13 200);
  --accent-hover: oklch(0.46 0.13 200);
  --accent-soft: oklch(0.92 0.05 200);
  --accent-softer: oklch(0.96 0.025 200);
  --accent-tint: oklch(0.88 0.06 200);
  --accent-fg: oklch(0.995 0 0);
  --accent-border: oklch(0.7 0.1 200);

  /* Per-product accent — all teal-rooted, varied only in luminance/chroma */
  --p-oppor: oklch(0.58 0.1 195);                /* lighter teal */
  --p-aip: oklch(0.46 0.12 205);                 /* deeper teal */
  --p-vorg: oklch(0.62 0.08 185);                /* paler aqua-teal */

  /* Semantic — low-saturation */
  --ok: oklch(0.58 0.1 150);
  --warn: oklch(0.7 0.12 75);
  --bad: oklch(0.55 0.15 25);
  --info: oklch(0.55 0.1 230);
  --ok-soft: oklch(0.95 0.04 150);
  --warn-soft: oklch(0.95 0.05 75);
  --bad-soft: oklch(0.96 0.04 25);
  --info-soft: oklch(0.96 0.03 230);

  /* Depth — five layers. Shadows do real work now. */
  --shadow-1: 0 0 0 0.5px oklch(0.2 0.02 220 / 0.1), 0 1px 2px oklch(0.2 0.02 220 / 0.06), 0 2px 4px oklch(0.2 0.02 220 / 0.04);
  --shadow-2: 0 0 0 0.5px oklch(0.2 0.02 220 / 0.12), 0 2px 4px oklch(0.2 0.02 220 / 0.08), 0 8px 16px oklch(0.2 0.02 220 / 0.08), 0 16px 32px oklch(0.2 0.02 220 / 0.06);
  --shadow-3: 0 0 0 0.5px oklch(0.2 0.02 220 / 0.14), 0 8px 16px oklch(0.2 0.02 220 / 0.12), 0 24px 48px oklch(0.2 0.02 220 / 0.16), 0 48px 96px oklch(0.2 0.02 220 / 0.18);
  --shadow-inset: inset 0 1px 0 oklch(1 0 0 / 0.6), inset 0 -1px 0 oklch(0.2 0.02 220 / 0.04);
  --ring-accent: 0 0 0 3px oklch(0.52 0.11 200 / 0.18);

  /* Density — Operator scans dozens, Builder hundreds. */
  --row-h: 32px;          /* default row height */
  --pad-x: 14px;
  --pad-y: 8px;
  --gap: 12px;

  /* Motion — only when meaning */
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --dur-1: 100ms;
  --dur-2: 180ms;
  --dur-3: 260ms;
}

/* Density modes */
[data-density="compact"] {
  --row-h: 28px; --pad-x: 12px; --pad-y: 6px; --gap: 10px;
  --t-14: 13px; --t-13: 12px;
}
[data-density="minimal"] {
  --row-h: 24px; --pad-x: 10px; --pad-y: 4px; --gap: 8px;
  --t-14: 12.5px; --t-13: 11.5px; --t-12: 11px;
}

/* Dark theme */
[data-theme="dark"] {
  --bg-app: oklch(0.11 0.012 230);
  --bg-base: oklch(0.155 0.012 230);
  --bg-raised: oklch(0.195 0.013 230);
  --bg-elevated: oklch(0.235 0.014 230);
  --bg-sunken: oklch(0.13 0.012 230);
  --bg-overlay: oklch(0.18 0.012 230 / 0.7);
  --bg-stripe: oklch(0.175 0.012 230);

  --fg-1: oklch(0.97 0.005 220);
  --fg-2: oklch(0.74 0.01 220);
  --fg-3: oklch(0.56 0.012 220);
  --fg-4: oklch(0.42 0.012 220);

  --border-1: oklch(0.28 0.012 220);
  --border-2: oklch(0.36 0.014 220);
  --border-3: oklch(0.46 0.016 220);
  --border-focus: oklch(0.72 0.13 200);

  --accent: oklch(0.74 0.13 200);
  --accent-strong: oklch(0.84 0.14 200);
  --accent-hover: oklch(0.82 0.13 200);
  --accent-soft: oklch(0.3 0.08 200);
  --accent-softer: oklch(0.24 0.06 200);
  --accent-tint: oklch(0.36 0.1 200);
  --accent-fg: oklch(0.1 0.015 230);
  --accent-border: oklch(0.5 0.12 200);

  --p-oppor: oklch(0.78 0.13 195);
  --p-aip: oklch(0.66 0.14 205);
  --p-vorg: oklch(0.82 0.1 185);

  --ok: oklch(0.74 0.13 150);
  --warn: oklch(0.82 0.13 75);
  --bad: oklch(0.7 0.16 25);
  --info: oklch(0.74 0.12 230);
  --ok-soft: oklch(0.28 0.05 150);
  --warn-soft: oklch(0.3 0.06 75);
  --bad-soft: oklch(0.3 0.06 25);
  --info-soft: oklch(0.28 0.05 230);

  --shadow-1: 0 0 0 0.5px oklch(0 0 0 / 0.6), 0 2px 4px oklch(0 0 0 / 0.4), 0 4px 8px oklch(0 0 0 / 0.3);
  --shadow-2: 0 0 0 0.5px oklch(0 0 0 / 0.7), 0 4px 8px oklch(0 0 0 / 0.5), 0 12px 24px oklch(0 0 0 / 0.45), 0 24px 48px oklch(0 0 0 / 0.35);
  --shadow-3: 0 0 0 0.5px oklch(0 0 0 / 0.8), 0 16px 32px oklch(0 0 0 / 0.55), 0 40px 80px oklch(0 0 0 / 0.65);
  --shadow-inset: inset 0 1px 0 oklch(1 0 0 / 0.05), inset 0 -1px 0 oklch(0 0 0 / 0.3);
  --ring-accent: 0 0 0 3px oklch(0.74 0.13 200 / 0.25);
}

/* Bolder variation — heavier shadows, stronger accent */
[data-variant="bold"] {
  --shadow-1: 0 0 0 0.5px oklch(0.2 0.02 220 / 0.14), 0 2px 4px oklch(0.2 0.02 220 / 0.1), 0 6px 12px oklch(0.2 0.02 220 / 0.08);
  --shadow-2: 0 0 0 0.5px oklch(0.2 0.02 220 / 0.16), 0 6px 14px oklch(0.2 0.02 220 / 0.14), 0 20px 40px oklch(0.2 0.02 220 / 0.14), 0 40px 80px oklch(0.2 0.02 220 / 0.1);
  --shadow-3: 0 0 0 0.5px oklch(0.2 0.02 220 / 0.18), 0 16px 32px oklch(0.2 0.02 220 / 0.18), 0 48px 96px oklch(0.2 0.02 220 / 0.22);
  --accent: oklch(0.46 0.14 200);
  --accent-strong: oklch(0.36 0.15 200);
}
[data-theme="dark"][data-variant="bold"] {
  --accent: oklch(0.8 0.15 200);
  --accent-strong: oklch(0.88 0.16 200);
}
[data-variant="conservative"] {
  --shadow-1: 0 0 0 0.5px oklch(0.2 0.02 220 / 0.08), 0 1px 1px oklch(0.2 0.02 220 / 0.04);
  --shadow-2: 0 0 0 0.5px oklch(0.2 0.02 220 / 0.1), 0 1px 3px oklch(0.2 0.02 220 / 0.06), 0 4px 12px oklch(0.2 0.02 220 / 0.05);
  --shadow-3: 0 0 0 0.5px oklch(0.2 0.02 220 / 0.12), 0 4px 12px oklch(0.2 0.02 220 / 0.1), 0 16px 32px oklch(0.2 0.02 220 / 0.1);
}

/* ── Reset + base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
.am, .am * { font-family: var(--font-ui); }
.am { color: var(--fg-1); background: var(--bg-app); font-size: var(--t-14); line-height: var(--lh-normal); -webkit-font-smoothing: antialiased; font-feature-settings: "ss01", "cv11"; font-variant-numeric: tabular-nums; background-image: radial-gradient(ellipse at 30% 0%, oklch(0.52 0.11 200 / 0.04), transparent 60%); }
[data-theme="dark"] .am { background-image: radial-gradient(ellipse at 30% 0%, oklch(0.52 0.13 200 / 0.1), transparent 60%); }
.am button { font: inherit; color: inherit; cursor: default; }
.mono { font-family: var(--font-mono); font-feature-settings: "zero", "ss01"; letter-spacing: var(--tracking-mono); }
.display { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.01em; }

/* ── Scrollbars ──────────────────────────────────────────── */
.am ::-webkit-scrollbar { width: 10px; height: 10px; }
.am ::-webkit-scrollbar-track { background: transparent; }
.am ::-webkit-scrollbar-thumb { background: var(--border-2); border: 3px solid transparent; background-clip: content-box; border-radius: 999px; }
.am ::-webkit-scrollbar-thumb:hover { background: var(--fg-3); border: 3px solid transparent; background-clip: content-box; }

/* ── Atoms ───────────────────────────────────────────────── */
.am .surface-base { background: var(--bg-base); }
.am .surface-raised { background: var(--bg-raised); border: var(--hairline) solid var(--border-1); border-radius: var(--r-3); box-shadow: var(--shadow-1), var(--shadow-inset); }
.am .surface-elevated { background: var(--bg-elevated); border: var(--hairline) solid var(--border-1); border-radius: var(--r-3); box-shadow: var(--shadow-2), var(--shadow-inset); }
.am .surface-floating { background: var(--bg-overlay); backdrop-filter: blur(24px) saturate(160%); -webkit-backdrop-filter: blur(24px) saturate(160%); border: var(--hairline) solid var(--border-2); border-radius: var(--r-4); box-shadow: var(--shadow-3), var(--shadow-inset); }

/* Buttons */
.am .btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: var(--row-h); padding: 0 var(--pad-x);
  border-radius: var(--r-2);
  border: var(--hairline) solid var(--border-2);
  background: linear-gradient(180deg, oklch(from var(--bg-raised) calc(l + 0.015) c h) 0%, var(--bg-raised) 50%, oklch(from var(--bg-raised) calc(l - 0.012) c h) 100%);
  color: var(--fg-1);
  font-size: var(--t-13); font-weight: 500;
  box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.5), 0 1px 0 oklch(0.2 0.02 220 / 0.04), 0 1px 2px oklch(0.2 0.02 220 / 0.05);
  transition: background var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease), transform var(--dur-1) var(--ease);
}
[data-theme="dark"] .am .btn {
  background: linear-gradient(180deg, oklch(from var(--bg-raised) calc(l + 0.025) c h) 0%, var(--bg-raised) 60%, oklch(from var(--bg-raised) calc(l - 0.01) c h) 100%);
  box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.06), 0 1px 0 oklch(0 0 0 / 0.4), 0 1px 2px oklch(0 0 0 / 0.3);
}
.am .btn:hover { border-color: var(--border-1); box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.55), 0 1px 0 oklch(0.2 0.02 220 / 0.05), 0 2px 4px oklch(0.2 0.02 220 / 0.08); }
.am .btn:active { transform: translateY(0.5px); box-shadow: inset 0 1px 1px oklch(0.2 0.02 220 / 0.08); }
.am .btn:focus-visible { outline: none; border-color: var(--border-focus); box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.5), 0 0 0 3px oklch(from var(--border-focus) l c h / 0.2); }

.am .btn[data-variant="primary"] {
  background: linear-gradient(180deg, oklch(from var(--accent) calc(l + 0.04) c h) 0%, var(--accent) 55%, oklch(from var(--accent) calc(l - 0.04) c h) 100%);
  color: var(--accent-fg);
  border-color: oklch(from var(--accent) calc(l - 0.08) calc(c * 1.1) h);
  box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.22), inset 0 -1px 0 oklch(0 0 0 / 0.12), 0 1px 2px oklch(from var(--accent) calc(l - 0.2) c h / 0.35), 0 2px 6px oklch(from var(--accent) calc(l - 0.2) c h / 0.18);
}
.am .btn[data-variant="primary"]:hover {
  background: linear-gradient(180deg, oklch(from var(--accent) calc(l + 0.06) c h) 0%, oklch(from var(--accent) calc(l + 0.01) c h) 55%, oklch(from var(--accent) calc(l - 0.03) c h) 100%);
  box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.28), inset 0 -1px 0 oklch(0 0 0 / 0.12), 0 2px 4px oklch(from var(--accent) calc(l - 0.2) c h / 0.4), 0 4px 10px oklch(from var(--accent) calc(l - 0.2) c h / 0.22);
}
.am .btn[data-variant="primary"]:active {
  background: linear-gradient(180deg, oklch(from var(--accent) calc(l - 0.02) c h) 0%, oklch(from var(--accent) calc(l - 0.05) c h) 100%);
  transform: translateY(0.5px);
  box-shadow: inset 0 1px 2px oklch(0 0 0 / 0.18);
}

.am .btn[data-variant="ghost"] { border-color: transparent; background: transparent; box-shadow: none; }
.am .btn[data-variant="ghost"]:hover { background: var(--accent-softer); color: var(--accent-strong); box-shadow: none; }
.am .btn[data-variant="danger"] { color: var(--bad); border-color: var(--border-2); }
.am .btn[disabled] { opacity: 0.45; pointer-events: none; }
.am .btn .kbd { font-family: var(--font-mono); font-size: 11px; opacity: 0.65; padding: 1px 4px; border-radius: 3px; border: var(--hairline) solid var(--border-2); margin-left: 4px; }

/* Inputs */
.am .input { height: var(--row-h); padding: 0 var(--pad-x); border-radius: var(--r-2); border: var(--hairline) solid var(--border-2); background: var(--bg-sunken); color: var(--fg-1); font-size: var(--t-13); width: 100%; outline: none; transition: border-color var(--dur-1), background var(--dur-1); }
.am .input:hover { background: var(--bg-base); }
.am .input:focus { border-color: var(--border-focus); background: var(--bg-raised); box-shadow: 0 0 0 3px oklch(from var(--border-focus) l c h / 0.16); }
.am .input::placeholder { color: var(--fg-3); }

/* Badges */
.am .badge { display: inline-flex; align-items: center; gap: 4px; height: 20px; padding: 0 7px; border-radius: var(--r-1); font-size: 11.5px; font-weight: 500; letter-spacing: 0.005em; border: var(--hairline) solid var(--border-2); background: var(--bg-raised); color: var(--fg-2); }
.am .badge[data-tone="ok"] { color: var(--ok); background: var(--ok-soft); border-color: transparent; }
.am .badge[data-tone="warn"] { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.am .badge[data-tone="bad"] { color: var(--bad); background: var(--bad-soft); border-color: transparent; }
.am .badge[data-tone="info"] { color: var(--info); background: var(--info-soft); border-color: transparent; }
.am .badge[data-tone="accent"] { color: var(--accent); background: var(--accent-soft); border-color: transparent; }
.am .badge .dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

/* Kbd hint */
.am .kbd-pill { font-family: var(--font-mono); font-size: 11px; padding: 2px 5px; border-radius: 4px; background: var(--bg-sunken); border: var(--hairline) solid var(--border-2); color: var(--fg-2); line-height: 1; }

/* Table — layered, with depth, teal selection */
.am .tbl { width: 100%; border-collapse: separate; border-spacing: 0; font-size: var(--t-13); }
.am .tbl th { text-align: left; font-weight: 600; color: var(--fg-2); padding: 10px var(--pad-x); border-bottom: 1px solid var(--border-2); position: sticky; top: 0; background: linear-gradient(180deg, var(--bg-raised), var(--bg-sunken)); z-index: 1; font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; box-shadow: 0 1px 0 var(--border-1); }
.am .tbl td { padding: 0 var(--pad-x); height: var(--row-h); border-bottom: var(--hairline) solid var(--border-1); color: var(--fg-1); transition: background var(--dur-1) var(--ease); }
.am .tbl tbody tr:nth-child(even) td { background: var(--bg-stripe); }
.am .tbl tbody tr:hover td { background: var(--accent-softer); }
.am .tbl tr[data-selected="true"] td { background: linear-gradient(90deg, var(--accent-soft), var(--accent-softer)); color: var(--accent-strong); position: relative; }
.am .tbl tr[data-selected="true"] td:first-child { box-shadow: inset 3px 0 0 var(--accent); }
.am .tbl td.num { font-variant-numeric: tabular-nums; text-align: right; font-family: var(--font-mono); font-size: 12.5px; color: var(--fg-2); }
.am .tbl td.id { font-family: var(--font-mono); color: var(--fg-3); font-size: 12px; }

/* Hairline divider */
.am .hr { height: var(--hairline); background: var(--border-1); border: 0; margin: 0; }

/* Sidebar / menu item — strong teal selection */
.am .menu-item { display: flex; align-items: center; gap: 8px; height: 30px; padding: 0 10px; width: 100%; border-radius: 6px; border: 1px solid transparent; background: transparent; color: var(--fg-1); font-size: 12.5px; font-weight: 400; cursor: default; position: relative; transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease); }
.am .menu-item:hover { background: var(--accent-softer); color: var(--accent-strong); }
.am .menu-item[aria-selected="true"], .am .menu-item[data-active="true"] {
  background: linear-gradient(180deg, var(--accent-soft), var(--accent-softer));
  color: var(--accent-strong);
  font-weight: 500;
  border-color: var(--accent-border);
  box-shadow: inset 3px 0 0 var(--accent), 0 1px 2px oklch(0.2 0.02 220 / 0.06);
}
[data-theme="dark"] .am .menu-item[aria-selected="true"], [data-theme="dark"] .am .menu-item[data-active="true"] {
  color: var(--accent-strong);
  border-color: var(--accent-border);
  box-shadow: inset 3px 0 0 var(--accent), 0 1px 2px oklch(0 0 0 / 0.4);
}
.am .menu-item .icon-slot { color: var(--fg-3); transition: color var(--dur-1) var(--ease); }
.am .menu-item:hover .icon-slot, .am .menu-item[aria-selected="true"] .icon-slot, .am .menu-item[data-active="true"] .icon-slot { color: var(--accent); }

/* Sidebar nav container */
.am .sidebar { width: 208px; flex-shrink: 0; padding: 12px 10px; display: flex; flex-direction: column; gap: 1px; background: var(--bg-base); border-right: 1px solid var(--border-1); box-shadow: inset -1px 0 0 oklch(1 0 0 / 0.4), 1px 0 0 oklch(0.2 0.02 220 / 0.02); }
[data-theme="dark"] .am .sidebar { box-shadow: inset -1px 0 0 oklch(1 0 0 / 0.02), 1px 0 0 oklch(0 0 0 / 0.3); }
.am .sidebar .group-label { padding: 6px 10px 6px; font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-3); font-weight: 600; }

/* Focus ring on links */
.am .link { color: var(--accent); cursor: default; }
.am .link:hover { text-decoration: underline; text-underline-offset: 2px; }

/* Micro-tag — for product chip etc */
.am .ptag { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 500; letter-spacing: 0.01em; padding: 2px 7px; border-radius: 3px; border: var(--hairline) solid var(--border-2); }
.am .ptag .ptag-glyph { width: 8px; height: 8px; border-radius: 1.5px; }