/* ==========================================================================
   Links.Earn — design system
   Single source of truth for colors, typography, spacing, shadows.
   Light + dark themes driven by [data-theme] on <html>.
   ========================================================================== */

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 9px;
  --radius-pill: 999px;

  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;

  --ease: cubic-bezier(.22,.61,.36,1);
  --nav-h: 68px;
}

/* ---------- dark (default) ---------- */
:root, [data-theme='dark'] {
  --bg: #07090f;
  --bg-2: #0b0f18;
  --surface: rgba(255,255,255,.045);
  --surface-solid: #10151f;
  --surface-2: rgba(255,255,255,.075);
  --border: rgba(255,255,255,.09);
  --border-strong: rgba(255,255,255,.16);
  --text: #f2f5fa;
  --text-dim: #98a3b6;
  --text-faint: #64708a;
  --brand: #6c8bff;
  --brand-2: #22d3ee;
  --brand-ink: #0a0f1c;
  --accent: #a3e635;
  --success: #34d399;
  --warn: #fbbf24;
  --danger: #fb7185;
  --glow: radial-gradient(60% 60% at 20% 0%, rgba(108,139,255,.35), transparent 70%),
          radial-gradient(50% 50% at 90% 10%, rgba(34,211,238,.22), transparent 70%);
  --shadow: 0 24px 60px -28px rgba(0,0,0,.85);
  --shadow-sm: 0 8px 24px -14px rgba(0,0,0,.8);
  --scrim: rgba(7,9,15,.72);
}

/* ---------- light ---------- */
[data-theme='light'] {
  --bg: #f6f7fb;
  --bg-2: #ffffff;
  --surface: rgba(255,255,255,.86);
  --surface-solid: #ffffff;
  --surface-2: rgba(15,23,42,.045);
  --border: rgba(15,23,42,.09);
  --border-strong: rgba(15,23,42,.16);
  --text: #0d1526;
  --text-dim: #5a6683;
  --text-faint: #8b96ad;
  --brand: #3b5bff;
  --brand-2: #0ea5e9;
  --brand-ink: #ffffff;
  --accent: #4d7c0f;
  --success: #059669;
  --warn: #b45309;
  --danger: #e11d48;
  --glow: radial-gradient(60% 60% at 15% 0%, rgba(59,91,255,.16), transparent 70%),
          radial-gradient(50% 50% at 95% 5%, rgba(14,165,233,.14), transparent 70%);
  --shadow: 0 24px 50px -30px rgba(15,23,42,.35);
  --shadow-sm: 0 10px 26px -18px rgba(15,23,42,.35);
  --scrim: rgba(246,247,251,.75);
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

html { color-scheme: dark; }
[data-theme='light'] { color-scheme: light; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  background-image: var(--glow);
  background-repeat: no-repeat;
  background-size: 100% 640px;
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color .3s var(--ease), color .3s var(--ease);
}

body.has-nav { padding-bottom: calc(var(--nav-h) + env(safe-area-inset-bottom) + 18px); }

a { color: var(--brand); text-decoration: none; }
svg { display: block; }
::selection { background: var(--brand); color: var(--brand-ink); }

/* ---------- layout ---------- */
.shell { width: 100%; max-width: 980px; margin: 0 auto; padding: 18px 16px 8px; }
.center-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.stack { display: grid; gap: var(--sp-4); }
.row { display: flex; align-items: center; gap: var(--sp-3); }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); }
.grow { flex: 1; min-width: 0; }
.muted { color: var(--text-dim); }
.faint { color: var(--text-faint); }
.mono { font-family: var(--font-mono); }
.hide { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

h1 { font-size: 26px; font-weight: 800; letter-spacing: -.03em; }
h2 { font-size: 17px; font-weight: 700; letter-spacing: -.02em; }
h3 { font-size: 15px; font-weight: 700; }
small { font-size: 12.5px; }

/* ---------- topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--text); }
.brand-mark {
  width: 34px; height: 34px; border-radius: 11px; flex: 0 0 auto;
  display: grid; place-items: center; color: var(--brand-ink);
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: var(--shadow-sm);
}
.brand-name { font-weight: 800; letter-spacing: -.03em; font-size: 16px; }
.brand-name span { color: var(--brand); }

/* ---------- cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-5);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
}
.card-tight { padding: var(--sp-4); }
.card-head { display: flex; align-items: center; gap: 10px; margin-bottom: var(--sp-4); }
.card-head .ico { color: var(--brand); }

/* ---------- hero balance ---------- */
.balance-card {
  position: relative; overflow: hidden;
  border-radius: 24px; padding: 22px;
  color: #fff;
  background: linear-gradient(135deg, #3b5bff 0%, #6c8bff 45%, #22d3ee 100%);
  box-shadow: 0 26px 50px -28px rgba(59,91,255,.75);
}
.balance-card::after {
  content: ''; position: absolute; inset: -40% -10% auto auto; width: 220px; height: 220px;
  background: radial-gradient(closest-side, rgba(255,255,255,.35), transparent);
}
.balance-card .label { font-size: 12.5px; text-transform: uppercase; letter-spacing: .12em; opacity: .85; }
.balance-card .value { font-size: 40px; font-weight: 800; letter-spacing: -.04em; line-height: 1.1; margin-top: 4px; }
.balance-card .sub { position: relative; display: flex; gap: 18px; margin-top: 14px; font-size: 13px; opacity: .95; }

/* ---------- stats ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
@media (min-width: 700px) { .stat-grid { grid-template-columns: repeat(4, minmax(0,1fr)); } }
.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 14px; display: grid; gap: 6px;
}
.stat .ico {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: var(--surface-2); color: var(--brand);
}
.stat .k { font-size: 12px; color: var(--text-dim); }
.stat .v { font-size: 21px; font-weight: 800; letter-spacing: -.03em; }
.stat .v.money { color: var(--success); }

/* ---------- forms ---------- */
label { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-dim); margin-bottom: 6px; }
input, select, textarea {
  width: 100%; padding: 13px 14px; font-size: 15px; font-family: inherit;
  color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--radius-xs);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 22%, transparent);
}
input::placeholder { color: var(--text-faint); }
.field { margin-bottom: 14px; }
.input-icon { position: relative; }
.input-icon svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--text-faint); }
.input-icon input { padding-left: 42px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 14px 18px; font: inherit; font-size: 15px; font-weight: 700;
  border: 1px solid transparent; border-radius: var(--radius-xs); cursor: pointer;
  transition: transform .15s var(--ease), filter .2s var(--ease), background .2s var(--ease);
}
.btn:active { transform: scale(.985); }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: var(--brand-ink); box-shadow: var(--shadow-sm); }
.btn-primary:hover { filter: brightness(1.07); }
.btn-ghost { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn-danger { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.btn-sm { width: auto; padding: 9px 13px; font-size: 13px; border-radius: var(--radius-xs); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn-icon {
  width: 40px; height: 40px; padding: 0; border-radius: 12px; flex: 0 0 auto;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  display: grid; place-items: center; cursor: pointer;
}
.btn-icon:hover { border-color: var(--border-strong); }

/* ---------- messages / badges ---------- */
.msg { display: none; font-size: 13.5px; padding: 11px 13px; border-radius: var(--radius-xs); margin-top: 14px; }
.msg.show { display: block; }
.msg.error { background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); }
.msg.ok { background: color-mix(in srgb, var(--success) 14%, transparent); color: var(--success); }

.badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px;
  border-radius: var(--radius-pill); font-size: 11.5px; font-weight: 700;
  background: var(--surface-2); color: var(--text-dim);
}
.badge.ok { background: color-mix(in srgb, var(--success) 16%, transparent); color: var(--success); }
.badge.pending { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.badge.bad { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }

/* ---------- lists / tables ---------- */
.list { display: grid; gap: 10px; }
.item {
  display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 12px;
  padding: 13px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface-2);
}
.item .t { font-weight: 700; font-size: 14px; }
.item .s { font-size: 12.5px; color: var(--text-dim); }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; white-space: nowrap; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-faint); font-weight: 700; }
tr:last-child td { border-bottom: none; }

.empty, .loading { padding: 26px 14px; text-align: center; color: var(--text-faint); font-size: 13.5px; }
.skeleton {
  height: 62px; border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface) 50%, var(--surface-2) 75%);
  background-size: 200% 100%; animation: shimmer 1.3s infinite linear;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- bottom nav (scrollable) ---------- */
.bottom-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(22px) saturate(180%);
  border-top: 1px solid var(--border);
}
.bottom-nav .track {
  display: flex; gap: 6px; overflow-x: auto; scroll-snap-type: x proximity;
  scrollbar-width: none; max-width: 980px; margin: 0 auto;
}
.bottom-nav .track::-webkit-scrollbar { display: none; }
.nav-item {
  flex: 0 0 auto; min-width: 76px; scroll-snap-align: center;
  display: grid; justify-items: center; gap: 4px; padding: 8px 10px;
  border-radius: 14px; color: var(--text-dim); font-size: 11px; font-weight: 600;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-item:hover { color: var(--text); }
.nav-item.active { color: var(--brand-ink); background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.nav-item.active .np { color: var(--brand-ink); }

/* ---------- toast ---------- */
.toast-wrap { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--nav-h) + 20px); z-index: 90; display: grid; gap: 8px; width: min(420px, calc(100% - 32px)); }
.toast {
  display: flex; align-items: center; gap: 10px; padding: 12px 14px;
  border-radius: var(--radius-xs); font-size: 13.5px; font-weight: 600;
  background: var(--surface-solid); border: 1px solid var(--border); color: var(--text);
  box-shadow: var(--shadow); animation: pop .25s var(--ease);
}
.toast.ok { border-color: color-mix(in srgb, var(--success) 45%, transparent); color: var(--success); }
.toast.error { border-color: color-mix(in srgb, var(--danger) 45%, transparent); color: var(--danger); }
@keyframes pop { from { opacity: 0; transform: translateY(12px) scale(.97); } }

/* ---------- misc ---------- */
.seg { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.seg::-webkit-scrollbar { display: none; }
.seg button {
  flex: 0 0 auto; padding: 9px 14px; font: inherit; font-size: 13px; font-weight: 700;
  border-radius: var(--radius-pill); border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text-dim); cursor: pointer;
}
.seg button.active { background: var(--text); color: var(--bg); border-color: transparent; }

.divider { height: 1px; background: var(--border); margin: 16px 0; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 11px; border-radius: var(--radius-pill); background: var(--surface-2); border: 1px solid var(--border); font-size: 12.5px; color: var(--text-dim); }
.sparkline { display: flex; align-items: flex-end; gap: 3px; height: 64px; }
.sparkline i { flex: 1; min-width: 3px; border-radius: 3px 3px 0 0; background: linear-gradient(180deg, var(--brand), color-mix(in srgb, var(--brand-2) 60%, transparent)); }
.fade-in { animation: fade .35s var(--ease) both; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* Countdown ring used on the interstitial wait page */
.ring {
  --p: 0%;
  width: 92px; height: 92px; margin: 0 auto; border-radius: 50%;
  display: grid; place-items: center;
  background: conic-gradient(var(--brand) var(--p), var(--surface-2) 0);
  position: relative;
}
.ring::after {
  content: ''; position: absolute; inset: 8px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--line);
}
.ring span { position: relative; z-index: 1; font-size: 26px; font-weight: 800; letter-spacing: -.03em; }