/* Admin panel — tek düzen */
:root {
  --admin-bg: #0f1419;
  --admin-sidebar: #151b22;
  --admin-accent: #3b82f6;
  --admin-main: #f0f2f5;
  --admin-card: #ffffff;
  --admin-text: #1a1a1a;
  --admin-muted: #64748b;
  --admin-border: #e2e8f0;
  --admin-radius: 12px;
  --admin-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

html.admin-html,
body.admin-body {
  margin: 0;
  min-height: 100%;
  font-family: var(--admin-font);
  font-size: 15px;
  color: var(--admin-text);
  background: var(--admin-main);
}

.admin-app {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  min-height: 100vh;
}

.admin-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--admin-sidebar);
  color: #fff;
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.08);
}

.admin-sidebar .logo {
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-sidebar .logo img {
  max-width: 120px;
  height: auto;
}

.admin-nav {
  flex: 1;
  padding: 12px 0 24px;
  overflow-y: auto;
}

.admin-nav a.nav-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.admin-nav a.nav-top:hover {
  background: rgba(255, 255, 255, 0.06);
  border-left-color: var(--admin-accent);
}

.admin-nav a.nav-top.active {
  background: rgba(59, 130, 246, 0.15);
  border-left-color: var(--admin-accent);
}

.admin-nav a.nav-top i {
  width: 1.25em;
  text-align: center;
  opacity: 0.9;
}

.admin-nav-sub {
  padding: 4px 0 12px 0;
  margin: 0 0 0 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.admin-nav-sub-title {
  padding: 8px 18px 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}

.admin-nav-sub a {
  display: block;
  padding: 8px 18px 8px 36px;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 13px;
  font-weight: 400;
}

.admin-nav-sub a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.admin-nav-sub a.active {
  color: #fff;
  background: rgba(59, 130, 246, 0.12);
}

.admin-greet {
  margin: 16px 14px;
  padding: 14px 14px;
  background: #fff;
  color: #0f1419;
  border-radius: var(--admin-radius);
  font-size: 14px;
  line-height: 1.45;
}

.admin-greet .l1 {
  display: block;
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--admin-muted);
  font-size: 12px;
}

.admin-greet .l2 {
  display: block;
  font-weight: 600;
  font-size: 15px;
}

.admin-logout {
  padding: 0 16px 20px;
}

.admin-logout form {
  margin: 0;
}

.admin-logout input[type="submit"] {
  width: 100%;
  padding: 10px 14px;
  border-radius: 999px;
  border: none;
  background: #fff;
  color: #0f1419;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}

.admin-logout input[type="submit"]:hover {
  background: #e2e8f0;
}

.admin-main {
  flex: 1;
  min-width: 0;
  padding: 24px 28px 40px;
  background: var(--admin-main);
}

.admin-page-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.admin-page-desc {
  margin: 0 0 20px;
  color: var(--admin-muted);
  font-size: 14px;
}

.admin-card {
  background: var(--admin-card);
  border-radius: var(--admin-radius);
  border: 1px solid var(--admin-border);
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.admin-toolbar input[type="text"],
.admin-toolbar input[type="search"] {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--admin-border);
  font-size: 14px;
  min-width: 200px;
}

.admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  background: var(--admin-accent);
  color: #fff;
}

.admin-btn:hover {
  filter: brightness(1.05);
}

.admin-btn.secondary {
  background: #fff;
  color: var(--admin-text);
  border: 1px solid var(--admin-border);
}

.admin-table-wrap {
  overflow-x: auto;
}

@media (max-width: 900px) {
  .admin-app {
    flex-direction: column;
  }
  .admin-sidebar {
    width: 100%;
  }
}