/* ===========================================================================
   Pixi Rewards — design system
   Dark, "pixie"-magic aesthetic. Violet base, spark accent.
   Colors in OKLCH; neutrals tinted toward the brand hue.
   =========================================================================== */
:root {
  --hue: 296;
  --bg:        oklch(0.155 0.028 var(--hue));
  --bg-grad-1: oklch(0.20 0.06 var(--hue));
  --bg-grad-2: oklch(0.16 0.04 340);
  --surface:   oklch(0.215 0.034 var(--hue));
  --surface-2: oklch(0.255 0.040 var(--hue));
  --surface-3: oklch(0.30 0.045 var(--hue));
  --border:    oklch(0.34 0.040 var(--hue) / 0.7);
  --border-soft: oklch(0.34 0.040 var(--hue) / 0.4);

  --text:    oklch(0.975 0.008 305);
  --muted:   oklch(0.74 0.022 305);
  --faint:   oklch(0.58 0.022 305);

  --accent:        oklch(0.70 0.185 var(--hue));
  --accent-strong: oklch(0.64 0.215 var(--hue));
  --accent-quiet:  oklch(0.70 0.185 var(--hue) / 0.14);
  --spark:   oklch(0.76 0.17 350);
  --spark-2: oklch(0.82 0.14 200);
  --mint:    oklch(0.82 0.13 168);
  --amber:   oklch(0.83 0.13 82);
  --danger:  oklch(0.66 0.20 25);

  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 26px;
  --shadow: 0 18px 50px -20px oklch(0.05 0.05 var(--hue) / 0.8);
  --shadow-glow: 0 0 0 1px oklch(0.70 0.185 var(--hue) / 0.25), 0 16px 50px -18px oklch(0.64 0.215 var(--hue) / 0.55);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent); }
button { font-family: inherit; }

/* Ambient background used on kiosk + login */
.aurora {
  position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none;
  background: radial-gradient(120% 80% at 15% 0%, var(--bg-grad-1), transparent 55%),
              radial-gradient(120% 90% at 100% 100%, var(--bg-grad-2), transparent 55%),
              var(--bg);
}
.aurora::after {
  content: ""; position: absolute; inset: -40%;
  background: conic-gradient(from 90deg at 50% 50%, transparent, oklch(0.70 0.185 var(--hue) / 0.10), transparent 40%);
  animation: spin 32s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- shared form controls ---- */
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: 13px; font-weight: 600; color: var(--muted); letter-spacing: 0.01em; }
.input, .select, textarea.input {
  width: 100%; padding: 12px 14px; font-size: 15px; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
.input::placeholder { color: var(--faint); }
.input:focus, .select:focus, textarea.input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-quiet);
}
textarea.input { resize: vertical; min-height: 84px; line-height: 1.5; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 18px; font-size: 15px; font-weight: 600; cursor: pointer;
  color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  transition: transform 0.12s var(--ease), background 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.btn:hover { background: var(--surface-3); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary {
  color: oklch(0.16 0.03 var(--hue)); border: none;
  background: linear-gradient(135deg, var(--accent), var(--spark));
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { filter: brightness(1.06); background: linear-gradient(135deg, var(--accent), var(--spark)); }
.btn-ghost { background: transparent; border-color: var(--border-soft); }
.btn-ghost:hover { background: var(--surface); }
.btn-block { width: 100%; }
.btn-lg { padding: 16px 22px; font-size: 17px; }
.btn-sm { padding: 7px 12px; font-size: 13px; }

.code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-weight: 700; letter-spacing: 0.06em;
  background: var(--accent-quiet); color: var(--text);
  padding: 2px 8px; border-radius: 6px; border: 1px solid var(--border-soft);
  white-space: nowrap;
}

.pill { display:inline-flex; align-items:center; gap:6px; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill-ok { background: oklch(0.82 0.13 168 / 0.16); color: var(--mint); }
.pill-off { background: oklch(0.66 0.20 25 / 0.16); color: oklch(0.78 0.16 25); }
.pill-muted { background: var(--surface-3); color: var(--muted); }
.pill-warn { background: oklch(0.83 0.13 82 / 0.16); color: var(--amber); }

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: var(--surface-2); color: var(--text); border: 1px solid var(--border);
  padding: 13px 18px; border-radius: 12px; box-shadow: var(--shadow); z-index: 90;
  opacity: 0; transition: opacity 0.25s, transform 0.25s var(--ease); pointer-events: none; max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { border-color: oklch(0.66 0.20 25 / 0.6); }

@media (prefers-reduced-motion: reduce) {
  .aurora::after { animation: none; }
  * { transition-duration: 0.01ms !important; }
}