/* Token Presale - hand-written CSS, no framework. Edit freely. */

:root {
  /* Base surfaces */
  --bg: #f6f7fb;
  --bg-soft: #eef0f8;
  --panel: #ffffff;
  --panel-border: #e6e8f1;
  --text: #16171f;
  --text-dim: #5b5f72;
  --text-faint: #979bb0;

  /* Signature rainbow ramp - the one bold element (brand stripe, progress, badges, social icons) */
  --c1: #6d5dfc;
  --c2: #2f8cff;
  --c3: #17c79b;
  --c4: #ffb020;
  --c5: #ff5c8a;
  --rainbow: linear-gradient(90deg, var(--c1), var(--c2), var(--c3), var(--c4), var(--c5));

  /* Working accent (buttons, links, focus) - a calm two-stop slice of the ramp */
  --accent: #4c6bff;
  --accent-2: #6d5dfc;
  --accent-grad: linear-gradient(120deg, var(--accent-2), var(--accent));
  --accent-ink: #ffffff;

  --warn: #b3760a;
  --warn-bg: #fff3dc;
  --bad: #c23b4d;
  --bad-bg: #fde8ea;
  --ok: #12946b;
  --ok-bg: #e3f8ef;
  --info: #3a5fe0;
  --info-bg: #eaf0ff;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(22, 23, 31, 0.04);
  --shadow-md: 0 8px 24px rgba(22, 23, 31, 0.06);
  --shadow-lg: 0 20px 48px rgba(22, 23, 31, 0.10);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Sora', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--accent); color: #fff;
  padding: .5rem 1rem; z-index: 100; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }

a { color: var(--accent); }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; margin: 0 0 .5em; color: var(--text); }
h1 { font-size: 2.25rem; line-height: 1.15; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1em; color: var(--text-dim); }

code, .mono { font-family: var(--font-mono); }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--panel-border);
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
  box-shadow: 0 1px 0 0 var(--panel-border), 0 3px 3px -3px rgba(22,23,31,.04);
}
.site-header::after {
  content: ""; display: block; height: 3px; background: var(--rainbow);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; text-decoration: none; font-size: 1.05rem; font-family: var(--font-display); color: var(--text); }
.brand-mark {
  width: 32px; height: 32px; border-radius: 10px; background: var(--accent-grad);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-family: var(--font-display); flex-shrink: 0;
}
.brand-logo { height: 32px; width: auto; max-width: 140px; border-radius: 8px; object-fit: contain; flex-shrink: 0; }
.main-nav { display: flex; align-items: center; gap: 6px; }
.nav-link { text-decoration: none; color: var(--text-dim); padding: 8px 12px; border-radius: 8px; font-weight: 500; font-size: .92rem; transition: color .15s, background .15s; }
.nav-link:hover { color: var(--text); background: var(--bg-soft); }
.nav-link--accent { color: var(--accent); font-weight: 700; }
.nav-link--button { background: none; border: 0; cursor: pointer; font: inherit; }
.inline-form { display: inline; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--panel-border); margin-top: 64px; flex-shrink: 0; background: var(--panel); }
.footer-inner { padding: 28px 0; color: var(--text-faint); font-size: .85rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-inner a { color: var(--text-faint); }
.footer-about p { margin: 0 0 2px; }

.social-row { display: flex; align-items: center; gap: 10px; }
.social-icon {
  width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--bg-soft); text-decoration: none; transition: transform .15s, box-shadow .15s;
}
.social-icon svg { width: 16px; height: 16px; }
.social-icon:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.social-icon--1 { color: var(--c1); }
.social-icon--2 { color: var(--c2); }
.social-icon--3 { color: var(--c3); }
.social-icon--4 { color: var(--c4); }
.social-icon--5 { color: var(--c5); }
.social-icon--6 { color: var(--c1); }

.main-content { padding: 40px 0 60px; flex: 1 0 auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--accent-grad); color: #fff; border: 0; border-radius: var(--radius-sm);
  padding: 11px 22px; font-weight: 700; font-size: .92rem; cursor: pointer; text-decoration: none;
  transition: transform .12s, box-shadow .15s; box-shadow: 0 6px 16px rgba(76, 107, 255, 0.25);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(76, 107, 255, 0.32); }
.btn:active { transform: translateY(0); }
.btn--small { padding: 8px 14px; font-size: .85rem; }
.btn--ghost { background: transparent; color: var(--text); border: 1px solid var(--panel-border); box-shadow: none; }
.btn--ghost:hover { background: var(--bg-soft); box-shadow: none; transform: none; }
.btn--danger { background: var(--bad); box-shadow: none; }
.btn--full { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ---------- Cards / panels ---------- */
.card { background: var(--panel); border: 1px solid var(--panel-border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.card + .card { margin-top: 20px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 12px; flex-wrap: wrap; }
.card-header h2, .card-header h3 { margin: 0; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.stat { background: var(--bg-soft); border: 1px solid var(--panel-border); border-radius: var(--radius-sm); padding: 16px 18px; }
.stat .label { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-faint); margin-bottom: 6px; }
.stat .value { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 600; color: var(--text); }

/* ---------- Forms ---------- */
label { display: block; font-weight: 600; font-size: .85rem; margin-bottom: 6px; color: var(--text); }
.field { margin-bottom: 18px; }
.help { font-size: .8rem; color: var(--text-faint); margin-top: 6px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=url],
input[type=datetime-local], input[type=file], textarea, select {
  width: 100%; background: var(--bg-soft); border: 1px solid var(--panel-border); color: var(--text);
  border-radius: var(--radius-sm); padding: 11px 13px; font-family: var(--font-sans); font-size: .92rem;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(76,107,255,0.12); }
textarea { resize: vertical; min-height: 90px; }
.field-error { color: var(--bad); font-size: .82rem; margin-top: 6px; }
.checkbox-row { display: flex; align-items: center; gap: 10px; }
.checkbox-row input { width: auto; }
fieldset { border: 0; padding: 0; margin: 0 0 18px; }

/* Branding / logo upload */
.logo-upload-row { display: flex; align-items: flex-start; gap: 18px; }
.logo-preview {
  width: 72px; height: 72px; border-radius: var(--radius-sm); background: var(--bg-soft);
  border: 1px solid var(--panel-border); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; overflow: hidden;
}
.logo-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }
.logo-preview-empty { font-size: .68rem; color: var(--text-faint); text-align: center; padding: 4px; }
.logo-upload-controls { flex: 1; }

/* Coin search picker (admin > payment methods) */
.coin-search-field { position: relative; }
.coin-search-results {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 30; margin-top: 4px;
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg); max-height: 260px; overflow-y: auto;
}
.coin-search-item {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 12px; background: none;
  border: 0; border-bottom: 1px solid var(--panel-border); cursor: pointer; text-align: left; font-family: var(--font-sans);
}
.coin-search-item:last-child { border-bottom: 0; }
.coin-search-item:hover { background: var(--bg-soft); }
.coin-search-item img { width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0; }
.coin-search-item-fallback { width: 20px; height: 20px; border-radius: 50%; background: var(--accent-grad); flex-shrink: 0; }
.coin-search-item-name { flex: 1; font-size: .88rem; color: var(--text); }
.coin-search-item-symbol { font-size: .76rem; color: var(--text-faint); font-family: var(--font-mono); }
.coin-search-empty { padding: 12px; font-size: .85rem; color: var(--text-faint); }

/* ---------- Flash / alerts ---------- */
.alert { border-radius: var(--radius-sm); padding: 13px 16px; margin-bottom: 20px; font-size: .9rem; border: 1px solid transparent; }
.alert--success { background: var(--ok-bg); color: var(--ok); }
.alert--warn, .alert--warning { background: var(--warn-bg); color: var(--warn); }
.alert--danger, .alert--error { background: var(--bad-bg); color: var(--bad); }
.alert--info { background: var(--info-bg); color: var(--info); }

/* ---------- Badges (each takes one hue from the ramp) ---------- */
.badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 100px; font-size: .76rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; }
.badge--ok { background: var(--ok-bg); color: var(--ok); }
.badge--warn { background: var(--warn-bg); color: var(--warn); }
.badge--bad { background: var(--bad-bg); color: var(--bad); }
.badge--info { background: var(--info-bg); color: var(--info); }
.badge--muted { background: var(--bg-soft); color: var(--text-faint); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--panel-border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--panel-border); white-space: nowrap; }
th { color: var(--text-faint); font-weight: 600; font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; background: var(--bg-soft); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--bg-soft); }

/* ---------- Progress ---------- */
.progress { height: 8px; border-radius: 100px; background: var(--bg-soft); overflow: hidden; }
.progress-bar { height: 100%; background: var(--rainbow); }

/* ---------- Misc ---------- */
.hero {
  position: relative;
  padding: 56px 0 32px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; top: -120px; right: -80px; width: 380px; height: 380px;
  background: var(--rainbow); filter: blur(90px); opacity: .18; border-radius: 50%; z-index: 0;
}
.hero h1, .hero p.lead, .hero .btn { position: relative; z-index: 1; }
.hero p.lead { font-size: 1.12rem; max-width: 560px; margin: 0 0 24px; }

.copy-row { display: flex; align-items: center; gap: 10px; background: var(--bg-soft); border: 1px solid var(--panel-border); border-radius: var(--radius-sm); padding: 10px 12px; font-family: var(--font-mono); font-size: .88rem; word-break: break-all; }
.copy-row button { flex-shrink: 0; background: var(--panel); border: 1px solid var(--panel-border); color: var(--text); border-radius: 6px; padding: 5px 10px; font-size: .78rem; cursor: pointer; }
.muted { color: var(--text-faint); }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.tag-list { display: flex; gap: 8px; flex-wrap: wrap; }
.narrow { max-width: 460px; margin: 0 auto; }
.pagination { display: flex; gap: 6px; margin-top: 20px; flex-wrap: wrap; }
.pagination a, .pagination span { padding: 6px 12px; border-radius: 6px; font-size: .85rem; border: 1px solid var(--panel-border); text-decoration: none; color: var(--text-dim); }
.pagination .active { background: var(--accent-grad); color: #fff; border-color: transparent; }
.admin-tabs { display: flex; gap: 4px; margin-bottom: 24px; border-bottom: 1px solid var(--panel-border); flex-wrap: wrap; }
.admin-tabs a { padding: 10px 16px; text-decoration: none; color: var(--text-dim); border-bottom: 2px solid transparent; font-size: .9rem; font-weight: 600; }
.admin-tabs a.active { color: var(--accent); border-color: var(--accent); }