:root {
  --a-bg: #F4F5F3;
  --a-panel: #FFFFFF;
  --a-border: #E1E4E0;
  --a-ink: #16242B;
  --a-muted: #6A7876;
  --a-accent: #E2582A;
  --a-accent-dark: #B8451F;
  --a-sidebar: #10202C;
  --a-sidebar-text: #9FB2BC;
  --a-sidebar-text-active: #F4EFE4;
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}
* { box-sizing: border-box; }
body.admin-body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--a-bg);
  color: var(--a-ink);
}
a { color: inherit; }
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--a-sidebar);
  color: var(--a-sidebar-text);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
}
.admin-sidebar .brand { display: flex; align-items: center; gap: 10px; padding: 8px 8px 24px; color: #fff; }
.admin-sidebar .brand img { height: 28px; }
.admin-sidebar .brand span { font-family: var(--font-display); font-weight: 600; font-size: 15px; }
.admin-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.admin-nav a {
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 14px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.admin-nav a:hover { background: rgba(255,255,255,0.06); color: var(--a-sidebar-text-active); }
.admin-nav a.active { background: var(--a-accent); color: #fff; }
.admin-sidebar .view-site { margin-top: auto; font-size: 12.5px; padding: 10px 12px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 16px; }
.admin-sidebar .view-site a { text-decoration: underline; }
.admin-main { flex: 1; min-width: 0; }
.admin-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px;
  background: var(--a-panel);
  border-bottom: 1px solid var(--a-border);
}
.admin-topbar h1 { font-family: var(--font-display); font-size: 20px; margin: 0; }
.admin-content { padding: 32px; max-width: 1100px; }
.admin-user { font-size: 13.5px; color: var(--a-muted); display: flex; align-items: center; gap: 14px; }
.admin-user form { display: inline; }
.admin-user button { background: none; border: none; color: var(--a-accent-dark); cursor: pointer; font-size: 13.5px; font-family: inherit; text-decoration: underline; padding: 0; }

.panel { background: var(--a-panel); border: 1px solid var(--a-border); border-radius: 10px; padding: 24px; margin-bottom: 24px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.panel-head h2 { font-family: var(--font-display); font-size: 16px; margin: 0; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
@media (max-width: 900px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-card { background: var(--a-panel); border: 1px solid var(--a-border); border-radius: 10px; padding: 20px; }
.stat-card .num { font-family: var(--font-mono); font-size: 28px; color: var(--a-accent-dark); display: block; }
.stat-card .label { font-size: 13px; color: var(--a-muted); margin-top: 4px; }

.a-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.a-table th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--a-muted); padding: 10px 12px; border-bottom: 1px solid var(--a-border); }
.a-table td { padding: 12px; border-bottom: 1px solid var(--a-border); vertical-align: middle; }
.a-table tr:last-child td { border-bottom: none; }
.a-table img.thumb { width: 44px; height: 44px; object-fit: cover; border-radius: 6px; border: 1px solid var(--a-border); }
.a-table .muted { color: var(--a-muted); }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 6px; font-family: var(--font-body); font-weight: 600; font-size: 13.5px; border: 1px solid transparent; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--a-accent); color: #fff; }
.btn-primary:hover { background: var(--a-accent-dark); }
.btn-outline { background: transparent; border-color: var(--a-border); color: var(--a-ink); }
.btn-outline:hover { background: #F0F1EE; }
.btn-danger { background: transparent; color: #B8451F; border: none; text-decoration: underline; padding: 4px 6px; font-weight: 500; }
.btn-sm { padding: 6px 10px; font-size: 12.5px; }
.btn-link { background: none; border: none; color: var(--a-accent-dark); text-decoration: underline; cursor: pointer; font-size: 13px; padding: 4px 6px; }

.a-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.a-field { margin-bottom: 16px; }
.a-field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.a-field .hint { font-size: 12px; color: var(--a-muted); margin-top: 4px; }
.a-field input[type=text], .a-field input[type=email], .a-field input[type=password], .a-field input[type=number], .a-field textarea, .a-field select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--a-border); border-radius: 6px; font-family: var(--font-body); font-size: 14px; background: #fff;
}
.a-field textarea { min-height: 110px; resize: vertical; }
.a-field-inline { display: flex; align-items: center; gap: 8px; }
.a-current-image { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.a-current-image img { width: 64px; height: 64px; object-fit: cover; border-radius: 6px; border: 1px solid var(--a-border); }

.badge { display: inline-block; padding: 3px 9px; border-radius: 100px; font-size: 11.5px; font-weight: 600; }
.badge-on { background: #E4EFE5; color: #3E5A44; }
.badge-off { background: #F1EAE1; color: #8A6A4E; }
.badge-unread { background: #FDE7DD; color: var(--a-accent-dark); }

.alert { padding: 12px 16px; border-radius: 8px; font-size: 13.5px; margin-bottom: 18px; }
.alert-success { background: #E4EFE5; color: #3E5A44; border: 1px solid #B9D2BC; }
.alert-error { background: #FDE7DD; color: var(--a-accent-dark); border: 1px solid #F2B79C; }

.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: #10202C; }
.login-card { background: #fff; padding: 40px; border-radius: 14px; width: 100%; max-width: 380px; }
.login-card h1 { font-family: var(--font-display); font-size: 20px; margin: 0 0 4px; }
.login-card p.sub { color: var(--a-muted); font-size: 13.5px; margin-bottom: 24px; }
.login-brand { display:flex; align-items:center; gap:10px; margin-bottom: 24px; }
.login-brand img { height: 32px; }
.login-brand span { font-family: var(--font-display); font-weight: 600; color: #fff; font-size: 17px; }

.msg-detail { white-space: pre-wrap; font-size: 14px; line-height: 1.7; }
.mail-status { font-family: var(--font-mono); font-size: 11.5px; }