:root {
  --bg: #0d0d0d;
  --panel: #161616;
  --card: #1c1c1c;
  --line: rgba(255, 255, 255, 0.08);
  --text: #fff;
  --muted: #9ca3af;
  --accent: #1ed760;
  --danger: #f43f5e;
  --sidebar: 268px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}
body.nav-open { overflow: hidden; }

a { color: var(--accent); text-decoration: none; }
button, input, select, textarea { font: inherit; }

.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: calc(24px + var(--safe-top)) 24px calc(24px + var(--safe-bottom));
  background: radial-gradient(circle at top, #12351c 0%, #0d0d0d 50%);
}
.auth-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
}
.auth-card img { width: 72px; height: 72px; border-radius: 50%; display: block; margin: 0 auto 16px; }
.auth-card h1 { margin: 0 0 6px; text-align: center; font-size: 28px; }
.auth-card p { margin: 0 0 22px; text-align: center; color: var(--muted); }
.hint { margin-top: 16px; color: var(--muted); font-size: 13px; text-align: center; }

.nav-ico {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  display: block;
}
.icon-btn {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 12px;
  background: #1a1a1a;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}
.icon-btn:hover { background: #242424; }
.icon-btn .nav-ico { width: 20px; height: 20px; }

.nav-backdrop {
  display: none;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar);
  background: #111;
  border-right: 1px solid var(--line);
  padding: 16px 12px calc(16px + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 50;
}
.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 4px 8px;
}
.sidebar-close { display: none; }
.brand { display: flex; gap: 10px; align-items: center; color: #fff; min-width: 0; }
.brand img { width: 40px; height: 40px; border-radius: 50%; }
.brand strong { display: block; font-size: 16px; }
.brand span { display: block; color: var(--muted); font-size: 12px; }
.sidebar nav {
  display: grid;
  gap: 2px;
  overflow-y: auto;
  flex: 1;
  padding-right: 4px;
  min-height: 0;
}
.nav-label {
  margin: 10px 8px 4px;
  color: #6b7280;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-label:first-child { margin-top: 0; }
.sidebar nav a {
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
}
.sidebar nav a span { min-width: 0; }
.sidebar nav a.active,
.sidebar nav a:hover { background: #1c1c1c; color: #fff; }
.sidebar nav a.active {
  background: #16331f;
  color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}
.sidebar-foot {
  margin-top: auto;
  color: var(--muted);
  font-size: 13px;
  display: grid;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  padding: 4px;
}
.sidebar-user strong { display: block; font-size: 13px; }
.sidebar-user span:not(.avatar) { display: block; color: var(--muted); font-size: 12px; }
.logout-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 10px;
}
.logout-link:hover { background: #1c1c1c; color: #fda4af; }
.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #16331f;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex: 0 0 32px;
}

.main {
  margin-left: var(--sidebar);
  padding: 20px 28px calc(40px + var(--safe-bottom));
  min-width: 0;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(12px);
  padding: 8px 0 16px;
  margin: 0 0 8px;
}
.nav-toggle { display: none; }
.topbar h1 {
  margin: 0;
  font-size: 26px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.topbar-user { display: none; }

.flash { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; }
.flash.ok { background: #12351c; color: #86efac; }
.flash.error { background: #3f1218; color: #fda4af; }

.help { color: var(--muted); font-size: 13px; margin: 0 0 12px; }
.help code, .help.full code { color: #86efac; }
.help.full, .toggle.full, .field.full { grid-column: 1 / -1; }
.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #111;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.toggle input { width: auto; accent-color: var(--accent); }
.panel h2 { margin: 0 0 14px; font-size: 18px; }

.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
}
.stat strong { display: block; font-size: 32px; margin-top: 6px; }
.stat span { color: var(--muted); }

.toolbar { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.table-tools { align-items: stretch; }
.table-search { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; flex: 1; }
.table-search input[name="q"] { min-width: 220px; max-width: 360px; }
.table-search select { width: auto; min-width: 160px; }
.table-tools-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.bulk-bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.bulk-bar select { width: auto; }
.check-col { width: 36px; }
.check-col input { width: auto; accent-color: var(--accent); }
.mono { color: var(--muted); font-size: 12px; }
.table-wrap {
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  -webkit-overflow-scrolling: touch;
}
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; }
th { color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.swatch { width: 18px; height: 18px; border-radius: 4px; display: inline-block; vertical-align: middle; margin-right: 8px; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
label { color: var(--muted); font-size: 13px; }
input, select, textarea {
  background: #111;
  border: 1px solid var(--line);
  color: #fff;
  border-radius: 8px;
  padding: 10px 12px;
  width: 100%;
}
input[type="color"] { padding: 4px; height: 42px; }

.wysiwyg { display: grid; gap: 8px; }
.wysiwyg-bar { display: flex; flex-wrap: wrap; gap: 6px; }
.wysiwyg-bar button {
  width: auto;
  background: #1a1a1a;
  color: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font-weight: 700;
}
.wysiwyg-ed {
  min-height: 180px;
  background: #111;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  color: #fff;
}
.wysiwyg-ed:focus { outline: 1px solid var(--accent); }
.faq-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr auto;
  gap: 8px;
  align-items: start;
  margin-bottom: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700;
  cursor: pointer;
  background: var(--accent);
  color: #000;
}
.btn.ghost { background: #222; color: #fff; }
.btn.danger { background: var(--danger); color: #fff; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.row-actions form { margin: 0; }

@media (max-width: 1100px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 40;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }
  body.nav-open .nav-backdrop {
    opacity: 1;
    pointer-events: auto;
  }
  .sidebar {
    width: min(320px, 88vw);
    transform: translateX(-105%);
    transition: transform 0.22s ease;
    box-shadow: none;
    padding-top: calc(12px + var(--safe-top));
  }
  body.nav-open .sidebar {
    transform: translateX(0);
    box-shadow: 16px 0 40px rgba(0, 0, 0, 0.45);
  }
  .sidebar-close { display: inline-flex; }
  .main {
    margin-left: 0;
    padding: calc(8px + var(--safe-top)) 16px calc(28px + var(--safe-bottom));
  }
  .topbar {
    padding: 4px 0 12px;
    margin: 0 -4px 12px;
  }
  .nav-toggle, .topbar-user { display: inline-flex; }
  .topbar h1 { font-size: 20px; }
  .stats, .form-grid, .faq-row { grid-template-columns: 1fr; }
  .stat { padding: 14px; }
  .stat strong { font-size: 26px; }
  .panel { padding: 14px; }
  .toolbar, .table-search, .table-tools-actions, .bulk-bar {
    width: 100%;
  }
  .table-search input[name="q"],
  .table-search input:not([type="hidden"]),
  .table-search select {
    min-width: 0;
    max-width: none;
    flex: 1 1 100%;
  }
  .btn { min-height: 44px; }
  .row-actions .btn { flex: 1 1 auto; }
}

@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .auth-card { padding: 24px 18px; }
}