/* Digi AI 2630 — design tokens
   Brand: #10212b institutional, Rajdhani geometric, "tecnologia e precisão"
   Light is default; [data-theme="dark"] flips palette. */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Krub:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Brand — Digidelta institutional */
  --brand-900: #10212b;         /* institutional (logo) */
  --brand-800: #18303c;
  --brand-700: #234251;
  --brand-500: #3e6478;
  --brand-300: #7a9aab;
  --brand-100: #dbe5ec;
  --brand-50:  #f0f4f7;

  /* Accent — Digidelta royal blue */
  --accent-700: #1530cc;
  --accent-500: #1e40ff;        /* primary accent (royal) */
  --accent-400: #4f6aff;
  --accent-100: #d6dfff;
  --accent-50:  #eef1ff;

  /* Digi AI — royal as base, cyan halo for live/streaming surfaces */
  --ai-700: #1530cc;
  --ai-500: #1e40ff;
  --ai-400: #4f6aff;
  --ai-100: #d6dfff;
  --ai-50:  #eef1ff;
  --ai-halo: #00b3ff;           /* cyan — only for live/streaming glow */
  --ai-tint: color-mix(in oklch, var(--ai-500) 14%, transparent);
  --ai-glow: 0 0 0 1px color-mix(in oklch, var(--ai-halo) 35%, transparent), 0 8px 28px -10px color-mix(in oklch, var(--ai-halo) 55%, transparent);

  /* Semantic */
  --success: oklch(0.68 0.13 155);
  --warning: oklch(0.76 0.14 72);
  --danger:  oklch(0.62 0.20 27);
  --info:    oklch(0.65 0.13 240);

  /* Surfaces — dark-first default (pure black backgrounds) */
  --bg:         #000000;
  --bg-elev:    #000000;
  --bg-sunken:  #000000;
  --bg-hover:   #17303d;
  --surface-muted: #0a1419;
  --border:     #1f3744;
  --border-strong: #2f4c5c;
  --text:       #e6eef3;
  --text-muted: #92a6b3;
  --text-dim:   #6a7f8d;
  --text-inverse: #10212b;

  /* Type */
  --font-display: 'Inter', system-ui, sans-serif;
  --font-ui: 'Krub', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Rhythm */
  --r-1: 4px; --r-2: 6px; --r-3: 8px; --r-4: 12px; --r-5: 16px; --r-6: 20px;
  --shadow-sm: 0 1px 2px rgba(16,33,43,0.06);
  --shadow-md: 0 4px 12px -4px rgba(16,33,43,0.08), 0 2px 4px -2px rgba(16,33,43,0.04);
  --shadow-lg: 0 16px 40px -12px rgba(16,33,43,0.18), 0 4px 12px -6px rgba(16,33,43,0.08);

  /* Layout */
  --sidebar-w: 240px;
  --topbar-h: 56px;

  /* Spacing scale (4px base) — use these for workspace padding/gaps */
  --pad-screen: 28px;       /* outer padding of screen content */
  --gap-section: 28px;      /* between major sections in a screen */
  --gap-cards: 16px;        /* between cards in a grid */
  --gap-head: 16px;         /* SectionHead → content below */
  --pad-card: 18px;         /* interior of standard cards */
  --pad-card-lg: 20px;      /* interior of hero cards */
  --pad-row-y: 12px;        /* table row vertical padding */
  --pad-row-x: 16px;        /* table row horizontal padding */
}

[data-theme="light"] {
  --bg:         #f6f7f9;
  --bg-elev:    #ffffff;
  --bg-sunken:  #eef1f4;
  --bg-hover:   #eef1f4;
  --surface-muted: #f3f5f7;
  --border:     #e3e7ec;
  --border-strong: #cbd2da;
  --text:       #10212b;
  --text-muted: #5c6b78;
  --text-dim:   #8492a0;
  --text-inverse: #ffffff;
  --shadow-sm: 0 1px 2px rgba(16,33,43,0.06);
  --shadow-md: 0 4px 12px -4px rgba(16,33,43,0.08), 0 2px 4px -2px rgba(16,33,43,0.04);
  --shadow-lg: 0 16px 40px -12px rgba(16,33,43,0.18), 0 4px 12px -6px rgba(16,33,43,0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "cv11", "ss01";
}

.font-display { font-family: var(--font-display); letter-spacing: -0.015em; font-weight: 600; }
.font-mono { font-family: var(--font-mono); }

button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; padding: 0; }
input, select, textarea { font-family: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scrollbar::-webkit-scrollbar { width: 10px; height: 10px; }
.scrollbar::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; border: 2px solid transparent; background-clip: content-box; }
.scrollbar::-webkit-scrollbar-track { background: transparent; }

/* Keyframes */
@keyframes ai-shimmer {
  0%,100% { opacity: 0.5; }
  50% { opacity: 1; }
}
@keyframes ai-dot {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}
@keyframes slide-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.animate-in { animation: slide-up 0.3s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
@keyframes slideInRight { from { transform: translateX(100%); } to { transform: translateX(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Digi AI surface — reserved treatment */
.ai-surface {
  background: linear-gradient(135deg, var(--ai-tint), transparent 60%), var(--bg-elev);
  border: 1px solid color-mix(in oklch, var(--ai-500) 35%, var(--border));
  position: relative;
}
.ai-surface::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(80% 40% at 0% 0%, color-mix(in oklch, var(--ai-500) 18%, transparent), transparent 60%);
  opacity: 0.9;
}
.ai-chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--ai-700);
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--ai-tint);
  border: 1px solid color-mix(in oklch, var(--ai-500) 30%, transparent);
}
[data-theme="dark"] .ai-chip { color: var(--ai-400); }
.ai-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ai-500);
  box-shadow: 0 0 8px var(--ai-500);
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border-radius: var(--r-3);
  font-weight: 500;
  font-size: 13px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.btn-primary {
  background: var(--brand-900);
  color: #fff;
  border-color: var(--brand-900);
}
[data-theme="dark"] .btn-primary { background: #fff; color: var(--brand-900); border-color: #fff; }
.btn-primary:hover { background: var(--brand-800); border-color: var(--brand-800); }
[data-theme="dark"] .btn-primary:hover { background: var(--brand-100); border-color: var(--brand-100); }
.btn-ai {
  background: var(--ai-500);
  color: #fff;
  border-color: transparent;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.btn-ai:hover { background: var(--ai-400); }
.btn-ai.live { box-shadow: var(--ai-glow); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--bg-hover); }
.btn-sm { padding: 5px 10px; font-size: 12px; gap: 6px; }
.btn-xs { padding: 3px 8px; font-size: 11px; gap: 4px; border-radius: var(--r-2); }

/* Card */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
}

/* Badge */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  background: var(--surface-muted);
  color: var(--text-muted);
}
.badge-danger { background: color-mix(in oklch, var(--danger) 12%, transparent); color: var(--danger); }
.badge-warning { background: color-mix(in oklch, var(--warning) 18%, transparent); color: color-mix(in oklch, var(--warning) 80%, #000); }
[data-theme="dark"] .badge-warning { color: var(--warning); }
.badge-success { background: color-mix(in oklch, var(--success) 14%, transparent); color: var(--success); }
.badge-info { background: color-mix(in oklch, var(--info) 14%, transparent); color: var(--info); }

/* KPI card */
.kpi { padding: 18px 20px; }
.kpi-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); font-weight: 600; font-family: var(--font-display); }
.kpi-value { font-family: var(--font-display); font-weight: 600; font-size: 32px; letter-spacing: -0.02em; margin-top: 6px; line-height: 1.1; }
.kpi-delta { font-size: 12px; margin-top: 6px; display: inline-flex; align-items: center; gap: 4px; }

/* Focus */
:focus-visible { outline: 2px solid var(--ai-500); outline-offset: 2px; border-radius: 4px; }

/* Tweaks panel */
.tweaks-panel {
  position: fixed; right: 16px; bottom: 16px;
  width: 280px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  box-shadow: var(--shadow-lg);
  padding: 14px;
  z-index: 1000;
  font-size: 12px;
}