/* ==========================================================================
   Mobile Spot Rewards — theme
   Brand: green #60B040 (primary actions) · blue #004080 (headers/accents)
   Mobile-first, card-based, system font stack with Inter when available.
   ========================================================================== */
:root {
  --green: #60B040;
  --green-dark: #4a9430;
  --green-soft: #e9f5e4;
  --blue: #004080;
  --blue-dark: #002d5c;
  --blue-soft: #e8f0fa;
  --ink: #17222e;
  --muted: #5c6b7d;
  --bg: #f3f6f3;
  --card: #ffffff;
  --border: #e2e9e2;
  --red: #b3261e;
  --red-soft: #fdecea;
  --amber-soft: #fff4d6;
  --amber-ink: #8a6d00;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 42, 67, .06), 0 8px 24px rgba(16, 42, 67, .07);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 18px; }
h1, h2, h3 { color: var(--blue); line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: 1.65rem; margin: 0 0 10px; }
h2 { font-size: 1.25rem; margin: 0 0 10px; }
p { margin: 0 0 12px; }
a { color: var(--blue); }
.muted { color: var(--muted); font-size: .9rem; }

/* ---------- Header ---------- */
.site-header {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  color: #fff;
  position: sticky; top: 0; z-index: 50;
  box-shadow: 0 2px 12px rgba(0, 45, 92, .25);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding-top: 12px; padding-bottom: 12px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: #fff; text-decoration: none; font-weight: 800; font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px; flex: none;
  background: var(--green);
  display: inline-flex; align-items: center; justify-content: center;
}
.brand-mark svg { width: 20px; height: 20px; }
.brand small {
  display: block; font-size: .68rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: #bcd6f5;
}
.brand-text { line-height: 1.15; }
.site-header nav { display: flex; align-items: center; gap: 6px; }
.site-header nav a {
  color: #fff; text-decoration: none; font-weight: 600; font-size: .95rem;
  padding: 8px 12px; border-radius: 8px;
}
.site-header nav a:hover { background: rgba(255, 255, 255, .12); }
.btn-nav { background: var(--green); }
.btn-nav:hover { background: var(--green-dark); }

/* ---------- Layout ---------- */
main.wrap { padding-top: 26px; padding-bottom: 64px; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; margin-bottom: 20px;
  box-shadow: var(--shadow);
}
@media (max-width: 560px) {
  .card { padding: 18px; }
  h1 { font-size: 1.4rem; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; background: var(--green); color: #fff;
  border: 0; border-radius: 10px; padding: 13px 24px;
  font-size: 1rem; font-weight: 700; font-family: var(--font);
  cursor: pointer; text-decoration: none; text-align: center;
  transition: background .15s ease, transform .05s ease;
}
.btn:hover { background: var(--green-dark); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn-block { width: 100%; }
.btn-outline {
  background: transparent; color: var(--blue);
  border: 2px solid var(--blue);
}
.btn-outline:hover { background: var(--blue-soft); color: var(--blue-dark); }

/* ---------- Forms ---------- */
label { display: block; font-weight: 600; margin: 16px 0 6px; font-size: .95rem; }
input[type="text"], input[type="email"], input[type="tel"],
input[type="password"], select, textarea {
  width: 100%; padding: 12px 14px; font-size: 1rem; font-family: var(--font);
  border: 1.5px solid var(--border); border-radius: 10px; background: #fff;
  color: var(--ink); transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(96, 176, 64, .18);
}
textarea { min-height: 76px; resize: vertical; }
.radio-row { display: flex; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
.radio-row label {
  font-weight: 600; margin: 0; display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--border); border-radius: 10px; padding: 10px 16px;
  cursor: pointer;
}
.radio-row input[type="radio"] { accent-color: var(--green); width: 18px; height: 18px; }
.field-error { color: var(--red); font-size: .88rem; margin-top: 5px; font-weight: 600; }
.form-hint { color: var(--muted); font-size: .85rem; margin-top: 5px; }

/* ---------- Flash messages ---------- */
.flash {
  padding: 13px 16px; border-radius: 10px; margin-bottom: 16px;
  font-size: .95rem; border: 1px solid transparent;
}
.flash-success { background: var(--green-soft); border-color: var(--green); }
.flash-error { background: var(--red-soft); border-color: var(--red); }
.flash-info { background: var(--blue-soft); border-color: var(--blue); }

/* ---------- Social login ---------- */
.oauth-buttons { display: grid; gap: 10px; margin: 4px 0 2px; }
.btn-oauth {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 12px 16px; border-radius: 10px; font-weight: 700; font-size: .98rem;
  text-decoration: none; border: 1.5px solid var(--border); background: #fff;
  color: var(--ink); transition: box-shadow .15s ease, border-color .15s ease;
}
.btn-oauth:hover { box-shadow: var(--shadow); border-color: #c6d2c6; color: var(--ink); }
.btn-oauth-facebook { background: #1877F2; border-color: #1877F2; color: #fff; }
.btn-oauth-facebook:hover { background: #1466d1; border-color: #1466d1; color: #fff; }
.oauth-icon { width: 20px; height: 20px; flex: none; }
.oauth-divider {
  display: flex; align-items: center; gap: 12px; margin: 18px 0 4px;
  color: var(--muted); font-size: .85rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .08em;
}
.oauth-divider::before, .oauth-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--border);
}

/* ---------- Landing page ---------- */
.hero {
  background: linear-gradient(150deg, var(--blue-dark) 0%, var(--blue) 60%, #0a5cb8 100%);
  color: #fff; border-radius: var(--radius); padding: 40px 28px; margin-bottom: 20px;
  text-align: center; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 200px at 50% -60px, rgba(96, 176, 64, .35), transparent 70%);
}
.hero > * { position: relative; }
.hero h1 { color: #fff; font-size: 2rem; margin-bottom: 12px; }
.hero p { color: #d7e6f7; font-size: 1.05rem; max-width: 520px; margin-left: auto; margin-right: auto; }
.promo-badge {
  display: inline-block; background: var(--green); color: #fff;
  font-weight: 800; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 14px;
}
.hero-amount { color: #fff; font-weight: 800; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
.hero-cta .btn-outline { color: #fff; border-color: rgba(255, 255, 255, .7); }
.hero-cta .btn-outline:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.hero-note { font-size: .85rem; color: #a9c6e8; margin-top: 14px; }
.hero-note a { color: #fff; }

.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 16px; }
@media (max-width: 640px) { .steps-grid { grid-template-columns: 1fr; } }
.step {
  background: var(--bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 16px; text-align: center;
}
.step-num {
  width: 40px; height: 40px; border-radius: 50%; margin: 0 auto 10px;
  background: var(--green); color: #fff; font-weight: 800; font-size: 1.15rem;
  display: flex; align-items: center; justify-content: center;
}
.step h3 { margin: 0 0 6px; font-size: 1.02rem; }
.step p { margin: 0; font-size: .9rem; color: var(--muted); }
.fine-print {
  background: var(--blue-soft); border: 1px solid #c9dcf2; border-radius: 12px;
  padding: 16px 18px; font-size: .88rem; color: #33475f; margin-top: 16px;
}
.fine-print strong { color: var(--blue); }

/* ---------- Dashboard ---------- */
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
@media (max-width: 560px) { .stat-strip { grid-template-columns: 1fr 1fr; } }
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px; text-align: center; box-shadow: var(--shadow);
}
.stat-value { font-size: 1.5rem; font-weight: 800; color: var(--blue); }
.stat-value.green { color: var(--green-dark); }
.stat-label { font-size: .78rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }

/* ---------- Referral list ---------- */
.ref-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 16px; margin-bottom: 12px;
}
.ref-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.ref-top strong { font-size: 1.02rem; }
.ref-meta { color: var(--muted); font-size: .88rem; margin-top: 5px; }
.badge {
  display: inline-block; padding: 4px 13px; border-radius: 999px;
  font-size: .76rem; font-weight: 700; white-space: nowrap;
  text-transform: uppercase; letter-spacing: .05em;
}
.badge-pending { background: var(--amber-soft); color: var(--amber-ink); }
.badge-qualified { background: var(--green-soft); color: #2f7a1e; }
.badge-disqualified { background: var(--red-soft); color: var(--red); }
.badge-paid { background: var(--blue-soft); color: var(--blue); }
.empty { text-align: center; color: var(--muted); padding: 28px 0; }

/* ---------- Footer ---------- */
.site-footer {
  text-align: center; color: var(--muted); font-size: .88rem;
  padding: 28px 0 40px; border-top: 1px solid var(--border); margin-top: 12px;
}
.site-footer p { margin: 4px 0; }
.site-footer strong { color: var(--blue); }

@media (max-width: 560px) {
  .hero { padding: 30px 20px; }
  .hero h1 { font-size: 1.55rem; }
  .header-inner { flex-wrap: wrap; row-gap: 6px; }
}