/* Gateway design system.
   Grown from the link-card page this replaces: same card grid, same hover lift,
   same light/dark token approach — extended with forms, tables and admin chrome. */

:root {
  color-scheme: light dark;

  --bg: #f6f7fb;
  --bg-grad: radial-gradient(1200px 600px at 80% -10%, #e8ecf7 0%, var(--bg) 55%);
  --panel: #ffffff;
  --panel-2: #f1f3f9;
  --line: rgba(15, 23, 42, .12);
  --text: #0f172a;
  --muted: #64748b;
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --accent-ink: #ffffff;
  --good: #10b981;
  --warn: #d97706;
  --warn-bg: rgba(245, 158, 11, .12);
  --danger: #dc2626;
  --danger-bg: rgba(220, 38, 38, .10);
  --icon-bg: rgba(99, 102, 241, .10);
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .06);
  --shadow-hover: 0 2px 4px rgba(15, 23, 42, .08), 0 16px 40px rgba(15, 23, 42, .14);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d12;
    --bg-grad: radial-gradient(1200px 600px at 80% -10%, #1a2030 0%, var(--bg) 55%);
    --panel: #161b26;
    --panel-2: #1b2130;
    --line: rgba(255, 255, 255, .10);
    --text: #e8eaf0;
    --muted: #9aa4b8;
    --accent: #818cf8;
    --accent-2: #a78bfa;
    --accent-ink: #0b0d12;
    --good: #34d399;
    --warn: #fbbf24;
    --warn-bg: rgba(245, 158, 11, .14);
    --danger: #f87171;
    --danger-bg: rgba(248, 113, 113, .12);
    --icon-bg: rgba(129, 140, 248, .16);
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
    --shadow-hover: 0 2px 6px rgba(0, 0, 0, .5), 0 16px 40px rgba(0, 0, 0, .5);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-grad) fixed, var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, 'Segoe UI', sans-serif;
}

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

/* ---------------- top bar ---------------- */

.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 14px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; letter-spacing: -.01em; text-decoration: none; color: var(--text);
}
.brand-dot {
  width: 11px; height: 11px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 16px var(--accent);
}
.spacer { margin-left: auto; }
.whoami { color: var(--muted); font-size: .88rem; }
.whoami strong { color: var(--text); font-weight: 600; }

/* ---------------- buttons ---------------- */

.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px; border-radius: 10px;
  border: 1px solid var(--line); background: transparent; color: var(--text);
  font: inherit; font-size: .92rem; font-weight: 600;
  text-decoration: none; cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease, transform .15s ease;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent; color: var(--accent-ink);
}
.btn-primary:hover { color: var(--accent-ink); filter: brightness(1.08); }
.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-bg); color: var(--danger); }
.btn-sm { padding: 5px 11px; font-size: .82rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------------- page shell ---------------- */

.wrap { max-width: 1120px; margin: 0 auto; padding: 32px 28px 80px; }
.wrap-narrow { max-width: 780px; }

h1 { font-size: 1.6rem; font-weight: 700; letter-spacing: -.02em; margin: 0 0 6px; }
h2 { font-size: 1.1rem; font-weight: 650; letter-spacing: -.01em; margin: 36px 0 14px; }
.sub { margin: 0 0 28px; color: var(--muted); font-size: .95rem; }

.section-label {
  margin: 34px 0 14px;
  font-size: .74rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted);
}

/* ---------------- app cards ---------------- */

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }

.card {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  text-decoration: none; color: inherit;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.card:hover, .card:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
  outline: none;
}
.card .icon {
  flex: 0 0 auto; width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 11px; background: var(--icon-bg);
  font-size: 21px; line-height: 1;
}
.card .meta { min-width: 0; }
.card .name {
  font-weight: 600; font-size: 1rem; line-height: 1.3;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card .desc { color: var(--muted); font-size: .82rem; }
.card .arrow {
  margin-left: auto; flex: 0 0 auto; color: var(--muted); font-size: 1.1rem;
  transition: transform .16s ease, color .16s ease;
}
.card:hover .arrow { transform: translateX(3px); color: var(--accent); }

.limit-pill {
  display: inline-block; margin-top: 3px; padding: 1px 8px;
  border-radius: 999px; background: var(--panel-2);
  font-size: .7rem; font-weight: 600; color: var(--muted);
}

/* ---------------- empty state ---------------- */

.empty {
  padding: 56px 28px; text-align: center;
  border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted);
}
.empty .big { font-size: 2rem; }
.empty h3 { margin: 12px 0 6px; color: var(--text); font-size: 1.05rem; }

/* ---------------- auth pages ---------------- */

.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card {
  width: 100%; max-width: 400px; padding: 30px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 18px; box-shadow: var(--shadow);
}
.auth-card h1 { font-size: 1.25rem; }
.auth-card .sub { margin-bottom: 22px; font-size: .88rem; }

label { display: block; margin: 14px 0 5px; font-size: .82rem; font-weight: 600; color: var(--muted); }
input[type=text], input[type=password], input[type=email], input[type=url],
input[type=number], input[type=datetime-local], select, textarea {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--panel-2); color: var(--text); font: inherit; font-size: .94rem;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
.auth-card .btn { width: 100%; justify-content: center; margin-top: 20px; }
.auth-links { margin-top: 18px; text-align: center; font-size: .85rem; }
.auth-links a { color: var(--muted); text-decoration: none; }
.auth-links a:hover { color: var(--accent); }
.hr-or {
  display: flex; align-items: center; gap: 12px;
  margin: 22px 0 4px; color: var(--muted); font-size: .78rem;
}
.hr-or::before, .hr-or::after { content: ''; flex: 1; height: 1px; background: var(--line); }

.code-input { font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.5rem !important; letter-spacing: .35em; text-align: center; }

/* ---------------- notices ---------------- */

.notice { padding: 11px 14px; border-radius: 10px; font-size: .88rem; margin-bottom: 4px; }
.notice-error { background: var(--danger-bg); color: var(--danger); }
.notice-warn  { background: var(--warn-bg);  color: var(--warn); }
.notice-ok    { background: color-mix(in srgb, var(--good) 14%, transparent); color: var(--good); }
.notice-info  { background: var(--panel-2); color: var(--muted); }

/* ---------------- tables ---------------- */

.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
}
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); }
th {
  font-size: .72rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  color: var(--muted); background: var(--panel-2);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--panel-2); }
td.actions { white-space: nowrap; text-align: right; }
td.actions form { display: inline; }

.pill {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: .72rem; font-weight: 700; background: var(--panel-2); color: var(--muted);
}
.pill-admin  { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent); }
.pill-active { background: color-mix(in srgb, var(--good) 16%, transparent); color: var(--good); }
.pill-disabled { background: var(--danger-bg); color: var(--danger); }
.pill-invited { background: var(--warn-bg); color: var(--warn); }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .84em; }

/* ---------------- admin nav ---------------- */

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 22px; }
.tab {
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted);
  text-decoration: none; font-size: .88rem; font-weight: 600;
}
.tab:hover { border-color: var(--accent); color: var(--accent); }
.tab.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ---------------- grant matrix ---------------- */

.matrix th.rot { text-align: center; font-size: .68rem; }
.matrix td.cell { text-align: center; padding: 6px; }
.matrix .who { font-weight: 600; white-space: nowrap; }
.grant-toggle {
  width: 26px; height: 26px; border-radius: 7px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel-2); color: transparent;
  font-size: .8rem; line-height: 1; padding: 0;
}
.grant-toggle.on { background: var(--good); border-color: var(--good); color: #06281d; }
.grant-toggle:hover { border-color: var(--accent); }

/* ---------------- misc ---------------- */

.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > * { flex: 1 1 200px; }
.copy-box {
  display: flex; gap: 8px; margin-top: 10px;
}
.copy-box input { font-family: ui-monospace, monospace; font-size: .8rem; }
details.form-card { margin-bottom: 22px; }
details.form-card > summary {
  cursor: pointer; padding: 12px 16px; font-weight: 600; font-size: .92rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  list-style: none;
}
details.form-card > summary::-webkit-details-marker { display: none; }
details.form-card > summary::before { content: '+ '; color: var(--accent); font-weight: 700; }
details.form-card[open] > summary::before { content: '– '; }
details.form-card > div {
  padding: 18px; margin-top: -1px;
  background: var(--panel); border: 1px solid var(--line);
  border-top: none; border-radius: 0 0 var(--radius) var(--radius);
}

@media (max-width: 640px) {
  .wrap { padding: 24px 16px 60px; }
  .topbar { padding: 12px 16px; gap: 10px; }
  .whoami { display: none; }
}