/* RepFlow design system */
:root {
  --ink: #0B1220;
  --ink-2: #1E293B;
  --slate: #46556B;
  --muted: #8D99AB;
  --line: #E5E9F0;
  --bg: #F7F9FC;
  --card: #FFFFFF;
  --blue: #0E4DA4;
  --blue-dark: #0A3A7D;
  --amber: #F59E0B;
  --green: #16A34A;
  --red: #DC2626;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(11,18,32,.06), 0 4px 16px rgba(11,18,32,.05);
  --shadow-lg: 0 4px 12px rgba(11,18,32,.08), 0 16px 48px rgba(11,18,32,.10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
img { max-width: 100%; }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; font-size: 15px; cursor: pointer;
  border: none; border-radius: 10px; padding: 12px 24px; transition: all .15s ease;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-amber { background: var(--amber); color: var(--ink); }
.btn-amber:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink-2); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--slate); }
.btn-sm { padding: 8px 14px; font-size: 13.5px; border-radius: 8px; }
.btn-lg { padding: 16px 32px; font-size: 16.5px; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ---- forms ---- */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 15px; color: var(--ink);
  border: 1.5px solid var(--line); border-radius: 10px; padding: 11px 14px;
  background: #fff; transition: border-color .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(14,77,164,.12);
}
.hint { font-size: 12.5px; color: var(--muted); margin-top: 4px; }

/* ---- cards ---- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-pad { padding: 24px; }

/* ---- utility ---- */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; }
.badge-green { background: #DCFCE7; color: #15803D; }
.badge-amber { background: #FEF3C7; color: #92400E; }
.badge-red { background: #FEE2E2; color: #B91C1C; }
.badge-blue { background: #DBEAFE; color: #1D4ED8; }
.badge-gray { background: #F1F5F9; color: #475569; }
.stars { color: var(--amber); letter-spacing: 2px; }
.muted { color: var(--muted); }
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 12px 22px; border-radius: 10px;
  font-size: 14px; font-weight: 500; box-shadow: var(--shadow-lg); z-index: 1000;
  opacity: 0; transition: opacity .25s; pointer-events: none; max-width: 90vw;
}
.toast.show { opacity: 1; }
.toast.error { background: var(--red); }