/* ============================================================
   IFF Design Tokens — shared across all 5 portals + Snowflake app
   Single source of truth for color, type, spacing, motion.
   ============================================================ */

:root {
  /* Brand */
  --iff-ocean:       #0B5394;   /* deep ocean blue (primary) */
  --iff-ocean-light: #1E3A8A;
  --iff-salmon:      #D97706;   /* coho/salmon accent */
  --iff-cedar:       #7C2D12;   /* warm cedar */
  --iff-spruce:      #064E3B;   /* west coast spruce */
  --iff-fog:         #F1F5F9;
  --iff-mist:        #E2E8F0;

  /* Status */
  --iff-up:    #059669;
  --iff-down:  #DC2626;
  --iff-flat:  #64748B;
  --iff-warn:  #D97706;

  /* Ink */
  --iff-ink:        #0F172A;
  --iff-ink-soft:   #334155;
  --iff-ink-muted:  #64748B;
  --iff-ink-faint:  #94A3B8;

  /* Surface */
  --iff-surface:        #FFFFFF;
  --iff-surface-raised: #F8FAFC;
  --iff-border:         #E2E8F0;
  --iff-border-strong:  #CBD5E1;

  /* Type */
  --iff-font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --iff-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --iff-font-display: "Instrument Serif", "Source Serif 4", Georgia, serif;

  /* Scale */
  --iff-text-xs:    11px;
  --iff-text-sm:    13px;
  --iff-text-base:  15px;
  --iff-text-lg:    18px;
  --iff-text-xl:    24px;
  --iff-text-2xl:   32px;
  --iff-text-3xl:   44px;

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

  /* Radius */
  --iff-radius-sm: 6px;
  --iff-radius:    10px;
  --iff-radius-lg: 16px;
  --iff-radius-xl: 24px;
  --iff-radius-pill: 999px;

  /* Shadow */
  --iff-shadow-sm: 0 1px 2px rgba(15,23,42,.05);
  --iff-shadow:    0 4px 12px rgba(15,23,42,.08);
  --iff-shadow-lg: 0 12px 32px rgba(15,23,42,.12);

  /* Motion */
  --iff-ease:     cubic-bezier(.4, 0, .2, 1);
  --iff-ease-out: cubic-bezier(0, 0, .2, 1);
  --iff-ease-in:  cubic-bezier(.4, 0, 1, 1);
  --iff-dur-fast: 120ms;
  --iff-dur:      220ms;
  --iff-dur-slow: 420ms;

  /* Layout */
  --iff-max-w:        1280px;
  --iff-max-w-narrow: 880px;
  --iff-header-h:     64px;

  /* API base */
  --iff-api: "https://api.cantekhi.com";
}

@media (prefers-color-scheme: dark) {
  :root {
    --iff-ink:        #E2E8F0;
    --iff-ink-soft:   #CBD5E1;
    --iff-ink-muted:  #94A3B8;
    --iff-ink-faint:  #64748B;
    --iff-surface:        #0F172A;
    --iff-surface-raised: #1E293B;
    --iff-border:         #334155;
    --iff-border-strong:  #475569;
    --iff-fog:            #1E293B;
    --iff-mist:           #334155;
  }
}

/* ============================================================
   Reset + base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--iff-font-sans);
  font-size: var(--iff-text-base);
  line-height: 1.55;
  color: var(--iff-ink);
  background: var(--iff-fog);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--iff-ocean); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; }

/* ============================================================
   Components
   ============================================================ */
.iff-shell {
  max-width: var(--iff-max-w);
  margin: 0 auto;
  padding: var(--iff-space-6) var(--iff-space-5);
}
.iff-header {
  background: var(--iff-surface);
  border-bottom: 1px solid var(--iff-border);
  padding: 0 var(--iff-space-6);
  height: var(--iff-header-h);
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 50;
}
.iff-logo {
  display: flex; align-items: center; gap: var(--iff-space-2);
  font-weight: 700; color: var(--iff-ocean);
  font-size: var(--iff-text-lg);
}
.iff-logo svg { width: 28px; height: 28px; }
.iff-nav { display: flex; gap: var(--iff-space-5); align-items: center; }
.iff-nav a { color: var(--iff-ink-soft); font-size: var(--iff-text-sm); font-weight: 500; }
.iff-nav a:hover { color: var(--iff-ocean); text-decoration: none; }

.iff-card {
  background: var(--iff-surface);
  border: 1px solid var(--iff-border);
  border-radius: var(--iff-radius-lg);
  padding: var(--iff-space-5);
  box-shadow: var(--iff-shadow-sm);
  transition: box-shadow var(--iff-dur) var(--iff-ease);
}
.iff-card:hover { box-shadow: var(--iff-shadow); }

.iff-grid { display: grid; gap: var(--iff-space-5); }
.iff-grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.iff-grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.iff-grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.iff-pill {
  display: inline-flex; align-items: center; gap: var(--iff-space-1);
  padding: 2px 10px; border-radius: var(--iff-radius-pill);
  font-size: var(--iff-text-xs); font-weight: 600;
  background: var(--iff-mist); color: var(--iff-ink-soft);
}
.iff-pill--up   { background: rgba(5,150,105,.12); color: var(--iff-up); }
.iff-pill--down { background: rgba(220,38,38,.12); color: var(--iff-down); }
.iff-pill--warn { background: rgba(217,119,6,.12); color: var(--iff-warn); }

.iff-btn {
  display: inline-flex; align-items: center; gap: var(--iff-space-2);
  padding: 10px 18px;
  background: var(--iff-ocean); color: white;
  border: none; border-radius: var(--iff-radius);
  font-weight: 600; font-size: var(--iff-text-sm);
  transition: background var(--iff-dur) var(--iff-ease), transform var(--iff-dur-fast) var(--iff-ease);
}
.iff-btn:hover { background: var(--iff-ocean-light); }
.iff-btn:active { transform: translateY(1px); }
.iff-btn--ghost { background: transparent; color: var(--iff-ink-soft); border: 1px solid var(--iff-border-strong); }
.iff-btn--accent { background: var(--iff-salmon); }

.iff-stat {
  font-family: var(--iff-font-mono);
  font-size: var(--iff-text-2xl);
  font-weight: 700;
  color: var(--iff-ink);
  letter-spacing: -0.01em;
}
.iff-stat-label {
  font-size: var(--iff-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--iff-ink-muted);
  font-weight: 600;
}

.iff-hero {
  background: linear-gradient(135deg, var(--iff-ocean) 0%, var(--iff-spruce) 100%);
  color: white;
  border-radius: var(--iff-radius-xl);
  padding: var(--iff-space-10) var(--iff-space-8);
  margin-bottom: var(--iff-space-8);
}
.iff-hero h1 {
  font-family: var(--iff-font-display);
  font-size: var(--iff-text-3xl);
  font-weight: 400;
  margin: 0 0 var(--iff-space-2);
  line-height: 1.1;
}
.iff-hero p { opacity: 0.9; margin: 0; max-width: 600px; }

.iff-table {
  width: 100%; border-collapse: collapse;
  font-size: var(--iff-text-sm);
}
.iff-table th, .iff-table td {
  text-align: left; padding: var(--iff-space-3) var(--iff-space-4);
  border-bottom: 1px solid var(--iff-border);
}
.iff-table th {
  font-size: var(--iff-text-xs); text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--iff-ink-muted); font-weight: 600;
}
.iff-table tr:hover td { background: var(--iff-fog); }

@keyframes iff-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.iff-fade-in { animation: iff-fade-in var(--iff-dur-slow) var(--iff-ease-out); }