/* ==========================================================
   SOCIALFLOW — DESIGN TOKENS
   ========================================================== */
:root {
  --sf-space-1: 4px; --sf-space-2: 8px; --sf-space-3: 16px; --sf-space-4: 24px; --sf-space-5: 32px; --sf-space-6: 48px;
  --sf-radius-sm: 8px; --sf-radius-md: 12px; --sf-radius-lg: 18px; --sf-radius-pill: 999px;

  --sf-primary: #6E56CF;
  --sf-primary-dark: #5941B8;
  --sf-primary-light: #8B77E0;
  --sf-accent: #16C0A8;
  --sf-danger: #E5484D;
  --sf-warning: #F5A524;
  --sf-success: #2FBF71;

  --sf-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --sf-bg: #F6F5FA;
  --sf-surface: #FFFFFF;
  --sf-surface-2: #FAFAFD;
  --sf-border: #E7E4F2;
  --sf-text: #1B1330;
  --sf-text-muted: #6E6A85;
  --sf-shadow: 0 4px 24px rgba(31, 21, 66, 0.06);
  --sf-shadow-lg: 0 12px 36px rgba(31, 21, 66, 0.12);
}

[data-theme="dark"] {
  --sf-bg: #0F0B1E;
  --sf-surface: #17122B;
  --sf-surface-2: #1C1636;
  --sf-border: #2B2447;
  --sf-text: #EFEDFB;
  --sf-text-muted: #A29CC2;
  --sf-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --sf-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sf-font);
  background: var(--sf-bg);
  color: var(--sf-text);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, canvas { max-width: 100%; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sf-space-2);
  padding: 10px 18px; border-radius: var(--sf-radius-md); font-weight: 600; font-size: 14px;
  border: 1px solid transparent; cursor: pointer; transition: transform .12s ease, box-shadow .12s ease, background .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(135deg, var(--sf-primary), var(--sf-primary-dark)); color: #fff; box-shadow: 0 6px 18px rgba(110, 86, 207, .35); }
.btn-primary:hover { box-shadow: 0 8px 22px rgba(110, 86, 207, .45); }
.btn-outline { background: transparent; border-color: var(--sf-border); color: var(--sf-text); }
.btn-ghost { background: transparent; color: var(--sf-text-muted); }
.btn-danger { background: var(--sf-danger); color: #fff; }
.btn-block { width: 100%; }
.btn-lg { padding: 14px 26px; font-size: 16px; }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }

/* Forms */
label { display: block; font-size: 13px; font-weight: 600; margin: var(--sf-space-3) 0 var(--sf-space-1); color: var(--sf-text-muted); }
input, select, textarea {
  width: 100%; padding: 11px 14px; border-radius: var(--sf-radius-sm); border: 1px solid var(--sf-border);
  background: var(--sf-surface-2); color: var(--sf-text); font-family: inherit; font-size: 14px;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--sf-primary); box-shadow: 0 0 0 3px rgba(110,86,207,.15); }
.checkbox-row { display: flex; align-items: center; gap: var(--sf-space-2); font-weight: 400; color: var(--sf-text); }
.checkbox-row input { width: auto; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: var(--sf-radius-sm); margin: var(--sf-space-3) 0; font-size: 14px; }
.alert-error { background: rgba(229,72,77,.12); color: var(--sf-danger); border: 1px solid rgba(229,72,77,.3); }
.alert-info { background: rgba(110,86,207,.12); color: var(--sf-primary); border: 1px solid rgba(110,86,207,.3); }
.alert-success { background: rgba(47,191,113,.12); color: var(--sf-success); border: 1px solid rgba(47,191,113,.3); }

/* ==========================================================
   AUTH PAGES
   ========================================================== */
.auth-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 20% 20%, #221a45, #0F0B1E 60%);
}
.auth-wrap { width: 100%; max-width: 420px; padding: var(--sf-space-4); }
.auth-card {
  background: rgba(23, 18, 43, 0.75); backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.08); border-radius: var(--sf-radius-lg);
  padding: var(--sf-space-5); box-shadow: var(--sf-shadow-lg); color: #EFEDFB;
}
.auth-brand { display: flex; align-items: center; gap: var(--sf-space-2); font-size: 22px; font-weight: 800; letter-spacing: .5px; }
.auth-brand i { color: var(--sf-primary-light); }
.auth-sub { color: #A29CC2; margin: var(--sf-space-1) 0 0; font-size: 13px; }
.auth-form { margin-top: var(--sf-space-4); }
.auth-form label { color: #C9C4E6; }
.auth-form input { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.12); color: #fff; }
.auth-link { display: block; text-align: center; margin-top: var(--sf-space-4); color: #A29CC2; font-size: 13px; }