:root {
  --bg: #f3f6fb;
  --bg-deep: #e8eef8;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: rgba(15, 23, 42, 0.08);
  --accent: #2563EB;
  --accent-2: #0891B2;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --ok: #059669;
  --warn: #D97706;
  --danger: #DC2626;
  --sidebar: 268px;
  --radius: 16px;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  --font: "Manrope", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 0% -10%, rgba(34, 211, 238, 0.18), transparent 55%),
    radial-gradient(900px 450px at 100% 0%, rgba(37, 99, 235, 0.16), transparent 50%),
    linear-gradient(180deg, var(--bg), var(--bg-deep));
}

a { color: var(--accent); text-decoration: none; }
.mono { font-family: var(--mono); font-size: 0.88em; }

.admin-shell {
  display: grid;
  grid-template-columns: var(--sidebar) 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 1.25rem 1rem;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.4rem 0.55rem;
  color: inherit;
}
.brand img { width: 42px; height: 42px; border-radius: 12px; }
.brand strong { display: block; font-size: 1.05rem; }
.brand span { color: var(--muted); font-size: 0.8rem; }

.nav-links { display: flex; flex-direction: column; gap: 0.25rem; flex: 1; }
.nav-links a {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 600;
  transition: 0.15s ease;
}
.nav-links a:hover { background: rgba(15,23,42,0.04); color: var(--text); }
.nav-links a.active {
  background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(8,145,178,0.12));
  color: var(--accent);
}

.sidebar-footer { border-top: 1px solid var(--line); padding-top: 1rem; }
.admin-user {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
}
.avatar {
  width: 38px; height: 38px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 800; text-transform: uppercase;
}
.admin-user strong { display: block; font-size: 0.9rem; }
.admin-user span { color: var(--muted); font-size: 0.75rem; word-break: break-all; }
.btn-logout {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
  font-weight: 600;
  color: var(--muted);
}
.btn-logout:hover { color: var(--danger); border-color: rgba(220,38,38,0.25); }

.admin-main { min-width: 0; }
.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem 1.75rem 0.5rem;
}
.admin-topbar h1 { margin: 0; font-size: 1.75rem; font-weight: 800; letter-spacing: -0.03em; }
.admin-topbar p { margin: 0.25rem 0 0; color: var(--muted); }
.badge-live {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.4rem 0.7rem; border-radius: 999px;
  background: rgba(5,150,105,0.1); color: var(--ok); font-size: 0.8rem; font-weight: 700;
}
.admin-content { padding: 1rem 1.75rem 2rem; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  box-shadow: var(--shadow);
}
.stat-card.accent {
  background: linear-gradient(145deg, #1d4ed8, #0e7490);
  color: #fff; border: 0;
}
.stat-card.accent small { color: rgba(255,255,255,0.75); }
.stat-card span { display: block; color: var(--muted); font-size: 0.82rem; font-weight: 600; }
.stat-card.accent span { color: rgba(255,255,255,0.8); }
.stat-card strong { display: block; font-size: 1.8rem; margin: 0.35rem 0; letter-spacing: -0.04em; }
.stat-card small { color: var(--muted); }

.panel-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1rem;
}
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.15rem; border-bottom: 1px solid var(--line);
}
.panel-head h2 { margin: 0; font-size: 1rem; font-weight: 800; }

.chart-bars {
  display: flex; align-items: flex-end; gap: 0.45rem;
  height: 220px; padding: 1rem 1.15rem 1.25rem;
}
.chart-bar { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 0.4rem; height: 100%; justify-content: flex-end; }
.chart-bar .bar {
  width: 100%;
  height: var(--h);
  min-height: 4px;
  border-radius: 8px 8px 4px 4px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
}
.chart-bar span { font-size: 0.68rem; color: var(--muted); }

.table-wrap { overflow: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
  padding: 0.85rem 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle;
}
.data-table th { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.cell-user strong { display: block; }
.cell-user span { color: var(--muted); font-size: 0.82rem; }
.link-quiet { font-weight: 700; }
.truncate { max-width: 280px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.chip {
  display: inline-flex; align-items: center;
  padding: 0.2rem 0.55rem; border-radius: 999px;
  background: rgba(15,23,42,0.05); font-size: 0.75rem; font-weight: 700;
}
.chip-ok { background: rgba(5,150,105,0.12); color: var(--ok); }
.chip-warn { background: rgba(217,119,6,0.12); color: var(--warn); }
.chip-danger { background: rgba(220,38,38,0.12); color: var(--danger); }

.toolbar {
  display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem;
}
.toolbar .form-control, .toolbar .form-select { max-width: 280px; }

.quick-actions {
  display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.25rem;
}
.quick-actions a {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1rem; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--line);
  color: var(--text); font-weight: 700; box-shadow: var(--shadow);
}
.quick-actions a:hover { border-color: rgba(37,99,235,0.35); color: var(--accent); }

.pagination-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.9rem 1.1rem; color: var(--muted); font-size: 0.9rem;
}
.pagination-links { display: flex; gap: 0.5rem; }

.detail-actions { margin-bottom: 1rem; }
.detail-grid { grid-template-columns: 1.4fr 0.8fr; }
.kv { margin: 0; padding: 0.5rem 1.15rem 1.15rem; }
.kv > div { display: grid; grid-template-columns: 160px 1fr; gap: 0.75rem; padding: 0.65rem 0; border-bottom: 1px dashed var(--line); }
.kv dt { margin: 0; color: var(--muted); font-weight: 600; }
.kv dd { margin: 0; }
.action-stack, .stack-form { display: flex; flex-direction: column; gap: 0.75rem; padding: 1.15rem; }
.actions-cell { display: flex; gap: 0.4rem; align-items: center; }
.inline-form { display: inline; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.content-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.content-card.is-inactive { opacity: 0.7; }
.content-card img, .content-card-placeholder {
  width: 100%; height: 150px; object-fit: cover; background: #e2e8f0;
}
.content-card-placeholder { display: grid; place-items: center; font-size: 2rem; color: var(--muted); }
.content-card-body { padding: 1rem; }
.content-card-body h3 { margin: 0.55rem 0 0.35rem; font-size: 1.05rem; }
.content-card-body p { margin: 0; color: var(--muted); min-height: 2.8em; }
.content-card-actions { display: flex; gap: 0.5rem; margin-top: 0.9rem; }
.chips { display: flex; gap: 0.35rem; flex-wrap: wrap; }

.form-panel { padding: 1.25rem; max-width: 820px; }
.form-actions { display: flex; justify-content: flex-end; gap: 0.75rem; margin-top: 1.25rem; }

.empty-state {
  background: var(--surface);
  border: 1px dashed rgba(37, 99, 235, 0.25);
  border-radius: var(--radius);
  padding: 3rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
}
.empty-state i { font-size: 2rem; color: var(--accent); }
.empty-state h3 { margin: 0.85rem 0 0.35rem; font-weight: 800; }
.empty-state p { margin: 0 0 1.1rem; color: var(--muted); }

.admin-modal .modal-content {
  border: 0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.22);
}
.admin-modal .modal-header {
  border-bottom: 1px solid var(--line);
  padding: 1.15rem 1.35rem 1rem;
  background:
    linear-gradient(135deg, rgba(37,99,235,0.08), rgba(8,145,178,0.08)),
    #fff;
}
.admin-modal .modal-kicker {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.admin-modal .modal-title {
  margin: 0.15rem 0 0;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.admin-modal .modal-body { padding: 1.25rem 1.35rem; }
.admin-modal .modal-footer {
  border-top: 1px solid var(--line);
  padding: 0.95rem 1.35rem 1.15rem;
  background: #fafbff;
}
.admin-modal .form-label { font-weight: 700; font-size: 0.86rem; }
.admin-modal .form-control,
.admin-modal .form-select {
  border-radius: 12px;
  border-color: rgba(15, 23, 42, 0.1);
  padding: 0.65rem 0.85rem;
}
.admin-modal .form-control:focus,
.admin-modal .form-select:focus {
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.12);
}
.modal-preview {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #eef2f7;
  max-height: 180px;
}
.modal-preview img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.login-shell {
  min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; position: relative;
}
.login-atmosphere {
  position: absolute; inset: 0;
  background:
    radial-gradient(700px 350px at 20% 20%, rgba(34,211,238,0.25), transparent 60%),
    radial-gradient(800px 400px at 80% 10%, rgba(37,99,235,0.28), transparent 55%),
    linear-gradient(160deg, #0b1220, #10233f 45%, #0f3b4d);
}
.login-card {
  position: relative; z-index: 1; width: min(440px, 100%);
  background: rgba(255,255,255,0.96); border-radius: 24px;
  padding: 1.75rem; box-shadow: 0 30px 80px rgba(0,0,0,0.25);
}
.login-brand { display: flex; gap: 0.9rem; align-items: center; margin-bottom: 1.5rem; }
.login-brand img { width: 54px; height: 54px; border-radius: 14px; }
.login-brand h1 { margin: 0; font-size: 1.35rem; font-weight: 800; }
.login-brand p { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.9rem; }
.login-footnote { margin: 1.1rem 0 0; color: var(--muted); font-size: 0.85rem; text-align: center; }
.btn-primary {
  --bs-btn-bg: var(--accent);
  --bs-btn-border-color: var(--accent);
  --bs-btn-hover-bg: #1d4ed8;
  --bs-btn-hover-border-color: #1d4ed8;
}

.toast-host {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 1050;
  display: flex; flex-direction: column; gap: 0.6rem; max-width: 360px;
}
.admin-toast {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 0.85rem 1rem; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 0.2rem;
  animation: toast-in 0.25s ease;
}
.admin-toast.toast-success { border-left: 4px solid var(--ok); }
.admin-toast.toast-danger { border-left: 4px solid var(--danger); }
.admin-toast.toast-info { border-left: 4px solid var(--accent); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

@media (max-width: 1100px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .panel-grid, .detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-sidebar { position: relative; height: auto; }
}