/* Agrobotic — evolved AgriSense palette
   Refined dark navy + Agrobotic green, plus a fintech cyan for the second mode.
   All accents share chroma family; vary hue for semantic difference. */

:root {
  /* Base surfaces — cool, slightly desaturated navy */
  --bg: oklch(0.16 0.018 240);
  --bg-elev: oklch(0.19 0.018 240);
  --surface: oklch(0.22 0.018 240);
  --surface-2: oklch(0.26 0.018 240);
  --surface-3: oklch(0.30 0.018 240);

  /* Borders & dividers */
  --border: oklch(0.30 0.012 240);
  --border-strong: oklch(0.38 0.014 240);
  --border-faint: oklch(0.25 0.010 240);

  /* Text */
  --text: oklch(0.96 0.004 240);
  --text-2: oklch(0.82 0.006 240);
  --text-dim: oklch(0.62 0.012 240);
  --text-faint: oklch(0.48 0.012 240);

  /* Accents (shared L=0.78, C=0.16 for harmony) */
  --green: oklch(0.82 0.17 148);       /* Agrobotic primary */
  --green-dim: oklch(0.55 0.12 148);
  --green-glow: oklch(0.82 0.17 148 / 0.22);

  --cyan: oklch(0.82 0.13 215);        /* Fintech accent */
  --cyan-dim: oklch(0.55 0.10 215);
  --cyan-glow: oklch(0.82 0.13 215 / 0.22);

  --amber: oklch(0.82 0.15 80);        /* Warning */
  --amber-dim: oklch(0.55 0.11 80);

  --rose: oklch(0.72 0.18 25);         /* Danger */
  --rose-dim: oklch(0.52 0.14 25);

  --violet: oklch(0.78 0.15 295);      /* Tertiary chart color */
  --pink: oklch(0.80 0.14 0);

  /* Mode-driven primary (set by JS based on IoT vs Fintech) */
  --primary: var(--green);
  --primary-dim: var(--green-dim);
  --primary-glow: var(--green-glow);

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

  /* Radii */
  --r-1: 4px;
  --r-2: 6px;
  --r-3: 10px;
  --r-4: 14px;
  --r-5: 20px;

  /* Typography */
  --font-ui: "Geist", "Geist Sans", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-display: "Geist", "Geist Sans", ui-sans-serif, sans-serif;

  /* Density (overridable by Tweaks) */
  --density: 1;
  --row-h: calc(36px * var(--density));
  --sidebar-w: 232px;
  --topbar-h: 56px;
}

[data-mode="fintech"] {
  --primary: var(--cyan);
  --primary-dim: var(--cyan-dim);
  --primary-glow: var(--cyan-glow);
}

* { box-sizing: border-box; }
html, body, #root { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv11", "ss01", "ss03";
}

::selection { background: var(--primary-glow); color: var(--text); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* Utilities */
.mono { font-family: var(--font-mono); font-feature-settings: "tnum", "zero"; letter-spacing: -0.01em; }
.tnum { font-variant-numeric: tabular-nums; }
.dim { color: var(--text-dim); }
.faint { color: var(--text-faint); }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 500;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  white-space: nowrap;
  max-width: max-content;
}
.tag.ok { color: var(--green); background: color-mix(in oklch, var(--green) 12%, transparent); border-color: color-mix(in oklch, var(--green) 30%, transparent); }
.tag.warn { color: var(--amber); background: color-mix(in oklch, var(--amber) 12%, transparent); border-color: color-mix(in oklch, var(--amber) 30%, transparent); }
.tag.bad { color: var(--rose); background: color-mix(in oklch, var(--rose) 12%, transparent); border-color: color-mix(in oklch, var(--rose) 30%, transparent); }
.tag.info { color: var(--cyan); background: color-mix(in oklch, var(--cyan) 12%, transparent); border-color: color-mix(in oklch, var(--cyan) 30%, transparent); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
}
.card-hd {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4);
}
.card-bd { padding: var(--space-5); }
.h-rule { height: 1px; background: var(--border); }

.btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text); font-family: inherit; font-size: 13px; font-weight: 500;
  padding: 8px 14px; border-radius: var(--r-2); cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { background: var(--surface-3); border-color: var(--border-strong); }
.btn.primary {
  background: color-mix(in oklch, var(--primary) 15%, var(--surface));
  border-color: color-mix(in oklch, var(--primary) 35%, transparent);
  color: var(--primary);
}
.btn.primary:hover { background: color-mix(in oklch, var(--primary) 25%, var(--surface)); }
.btn.solid {
  background: var(--primary); color: oklch(0.18 0.02 240); border-color: transparent;
}
.btn.ghost { background: transparent; border-color: transparent; color: var(--text-dim); }
.btn.ghost:hover { background: var(--surface-2); color: var(--text); }

.input {
  appearance: none; width: 100%;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r-2); padding: 8px 12px;
  color: var(--text); font: inherit;
}
.input:focus { outline: 2px solid color-mix(in oklch, var(--primary) 45%, transparent); outline-offset: -1px; border-color: transparent; }

.glow {
  box-shadow: 0 0 0 1px color-mix(in oklch, var(--primary) 30%, transparent),
              0 0 24px -4px var(--primary-glow);
}

.section-title {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--text-faint); font-weight: 600;
  display: flex; align-items: center; gap: 8px;
  margin: 0 0 var(--space-3);
}
.section-title::after {
  content: ""; flex: 1; height: 1px; background: var(--border-faint);
}

.kbd {
  font-family: var(--font-mono); font-size: 11px;
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 1px 6px; border-radius: 4px;
  color: var(--text-dim);
}

/* Subtle striped placeholder for imagery slots */
.placeholder-stripes {
  background:
    repeating-linear-gradient(
      135deg,
      transparent 0 8px,
      color-mix(in oklch, var(--text-faint) 8%, transparent) 8px 9px
    ),
    var(--surface);
  border: 1px dashed var(--border-strong);
  color: var(--text-faint);
  font-family: var(--font-mono); font-size: 11px;
  display: flex; align-items: center; justify-content: center;
}

/* Pulsing dot — used for live indicators */
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 var(--primary-glow); }
  70% { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.pulse-dot {
  width: 7px; height: 7px; border-radius: 999px;
  background: var(--primary);
  animation: pulse-dot 1.8s ease-out infinite;
}

@keyframes data-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* Subtle grid texture for canvas surfaces */
.grid-bg {
  background-image:
    linear-gradient(color-mix(in oklch, var(--text-faint) 6%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklch, var(--text-faint) 6%, transparent) 1px, transparent 1px);
  background-size: 32px 32px;
}