/* static/css/theme.css */
:root {
  /* light (fallback) */
  --bg: #0b0f14;
  --card: #121821;
  --text: #e6edf3;
  --muted: #9aa7b2;
  --link: #7bb2ff;
  --border: #1f2a36;
  --accent: #1b4b91;
  color-scheme: dark;
}

/* Explicit light palette (if user toggles to light) */
html[data-theme="light"] {
  --bg: #ffffff;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --link: #1d4ed8;
  --border: #e5e7eb;
  --accent: #e5efff;
  color-scheme: light;
}

/* Prefer user/OS setting initially */
@media (prefers-color-scheme: light) {
  html:not([data-theme]) {
    --bg: #ffffff;
    --card: #ffffff;
    --text: #111827;
    --muted: #6b7280;
    --link: #1d4ed8;
    --border: #e5e7eb;
    --accent: #e5efff;
    color-scheme: light;
  }
}

html {
  transition: background 0.3s ease, color 0.3s ease;
}

html, body {
  background: var(--bg);
  color: var(--text);
}

a { color: var(--link); }
.muted { color: var(--muted); }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}

input[type="text"], input[type="email"], input[type="password"] {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
}

button, .btn {
  background: var(--link);
  color: #0b0f14;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
}
button:hover, .btn:hover { filter: brightness(1.05); }

/* Tables (if any) */
table { border-collapse: collapse; width: 100%; }
th, td { border: 1px solid var(--border); padding: 8px; }
th { background: var(--card); }