/* PromoLens brand: ink navy + promo orange. Shared by all pages. */
:root {
  --ink: #0B1020; --ink-2: #151B30; --bg: #F4F5F8; --card: #FFFFFF; --text: #0B1020; --muted: #5B6478; --line: #E4E7EE;
  --accent: #FF5A1F; --accent-dark: #E54810; --accent-soft: #FFF0EA; --accent-ink: #B33A0C; --danger: #D92D20; --ok: #12B886;
  --display: Manrope, Inter, system-ui, sans-serif;
  --shadow: 0 1px 2px rgba(11,16,32,.04), 0 4px 16px rgba(11,16,32,.05);
  --shadow-lg: 0 2px 4px rgba(11,16,32,.04), 0 24px 60px -12px rgba(11,16,32,.18);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: Inter, system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; }
a { color: inherit; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 800; font-size: 20px; letter-spacing: -.02em; }
.brand .logo { width: 34px; height: 34px; border-radius: 10px; box-shadow: 0 0 0 1px rgba(255,255,255,.12); }
.brand.sm { font-size: 17px; } .brand.sm .logo { width: 30px; height: 30px; }
.brand .by { font-family: Inter, sans-serif; font-weight: 500; font-size: 13px; opacity: .55; letter-spacing: 0; }
.brand.on-dark { color: #fff; }
.btn { display: inline-block; text-align: center; text-decoration: none; border: 0; border-radius: 12px; padding: 12px 18px; font-weight: 600; cursor: pointer;
  background: var(--accent); color: #fff; font-size: 15px; transition: background .15s, transform .1s; }
.btn:hover { background: var(--accent-dark); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: default; }
.btn.ghost { background: var(--bg); color: var(--ink); border: 1px solid var(--line); }
.btn.ghost:hover { background: #EAECF1; }
.btn.dark { background: var(--ink); }
.btn.dark:hover { background: var(--ink-2); }
.btn.block { display: block; width: 100%; }
.btn.lg { padding: 15px 20px; font-size: 16px; }
label.f { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 500; color: var(--muted); }
label.f input, label.f select { border: 1px solid var(--line); border-radius: 12px; padding: 12px; font-size: 16px; color: var(--text); background: #fff; outline: none; transition: border-color .15s, box-shadow .15s; }
label.f input:focus, label.f select:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }