/* ============================================================
   assets/css/platform.css — Shared Styles for Multi-Site Platform
   Used by: admin pages, dashboard, auth pages, error pages
   ============================================================ */

:root {
  --bg:        #0f1117;
  --card:      #1a1d27;
  --border:    #2a2d3a;
  --text:      #e8eaf0;
  --muted:     #7b7f93;
  --accent:    #4f6ef7;
  --accent-lt: #6b86f8;
  --danger:    #ef4444;
  --success:   #22c55e;
  --warning:   #f59e0b;
  --radius:    10px;
  --shadow:    0 4px 24px rgba(0,0,0,.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-lt); }

/* ── Layout ── */
.platform-wrap {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 230px;
  background: var(--card);
  border-right: 1px solid var(--border);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .3rem;
  flex-shrink: 0;
}

.sidebar-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
  padding: .5rem .75rem;
  margin-bottom: .75rem;
}

.sidebar-section {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  padding: .5rem .75rem .2rem;
  margin-top: .5rem;
}

.sidebar a {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .55rem .75rem;
  border-radius: 7px;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 500;
  transition: background .15s, color .15s;
}
.sidebar a:hover,
.sidebar a.active {
  background: rgba(79,110,247,.15);
  color: var(--accent-lt);
}

.main-content {
  flex: 1;
  padding: 2rem 2.5rem;
  overflow-x: auto;
}

/* ── Page header ── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.page-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}
.page-sub {
  color: var(--muted);
  font-size: .85rem;
  margin-top: .15rem;
}

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
}
.stat-label {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: .3rem;
}
.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-hint {
  font-size: .75rem;
  color: var(--muted);
  margin-top: .3rem;
}

/* ── Table ── */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}
thead th {
  padding: .65rem 1rem;
  text-align: left;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: .8rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,.02); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1.1rem;
  border-radius: 7px;
  font-size: .85rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: opacity .15s;
  text-decoration: none;
}
.btn:hover { opacity: .85; }
.btn-primary { background: var(--accent);  color: #fff; }
.btn-danger  { background: var(--danger);  color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-ghost   { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-sm      { padding: .35rem .75rem; font-size: .8rem; }

/* ── Badge ── */
.badge {
  display: inline-block;
  padding: .2rem .55rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.badge-green  { background: rgba(34,197,94,.15);  color: var(--success); }
.badge-blue   { background: rgba(79,110,247,.15); color: var(--accent); }
.badge-red    { background: rgba(239,68,68,.15);  color: var(--danger); }
.badge-gray   { background: rgba(123,127,147,.15);color: var(--muted); }
.badge-yellow { background: rgba(245,158,11,.15); color: var(--warning); }

/* ── Toggle switch ── */
.toggle {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 22px;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 22px;
  cursor: pointer;
  transition: background .2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform .2s;
}
.toggle input:checked + .toggle-slider { background: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ── Forms ── */
.form-row { margin-bottom: 1.1rem; }
.form-row label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: .4rem;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: .65rem .9rem;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: .92rem;
  outline: none;
  transition: border-color .2s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus { border-color: var(--accent); }
.form-row textarea { resize: vertical; min-height: 80px; }
.form-hint { font-size: .75rem; color: var(--muted); margin-top: .3rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }

/* ── Alert ── */
.alert {
  padding: .75rem 1rem;
  border-radius: 7px;
  font-size: .87rem;
  margin-bottom: 1.25rem;
}
.alert-error   { background: rgba(239,68,68,.1);   color: #fca5a5; border: 1px solid rgba(239,68,68,.3); }
.alert-success { background: rgba(34,197,94,.1);   color: #86efac; border: 1px solid rgba(34,197,94,.3); }

/* ── Site grid cards (user dashboard) ── */
.site-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}
.site-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.4rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  transition: border-color .2s, box-shadow .2s;
  text-decoration: none;
  color: var(--text);
}
.site-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(79,110,247,.15);
  color: var(--text);
}
.site-icon  { font-size: 2rem; line-height: 1; }
.site-name  { font-size: 1rem; font-weight: 700; }
.site-desc  { font-size: .8rem; color: var(--muted); flex: 1; }
.site-meta  { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }

/* ── Topbar ── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.5rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.topbar-user {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .88rem;
}
.avatar {
  width: 30px;
  height: 30px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .8rem;
  color: #fff;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .platform-wrap { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; padding: .75rem; border-right: none; border-bottom: 1px solid var(--border); }
  .sidebar-logo { width: 100%; margin-bottom: .25rem; }
  .main-content { padding: 1.25rem; }
  .form-grid { grid-template-columns: 1fr; }
}