/* Admin panel styles - TEI */
:root {
    --admin-primary: #1a5f2a;
    --admin-sidebar: #0f3d1a;
    --admin-bg: #f0f2f5;
    --admin-card: #fff;
    --admin-text: #1a1a1a;
    --admin-muted: #6c757d;
    --font-sans: 'Inter', sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font-sans); font-size: 14px; color: var(--admin-text); background: var(--admin-bg); }

/* Login page */
.admin-login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.login-box { width: 100%; max-width: 380px; background: var(--admin-card); padding: 2rem; border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.login-box h1 { margin: 0 0 0.25rem; font-size: 1.5rem; color: var(--admin-primary); }
.login-subtitle { margin: 0 0 1.5rem; color: var(--admin-muted); font-size: 0.95rem; }
.login-footer { margin: 1.5rem 0 0; font-size: 0.9rem; }
.login-footer a { color: var(--admin-primary); }

/* Admin layout */
.admin-wrap { display: flex; min-height: 100vh; }
.admin-sidebar { width: 240px; background: var(--admin-sidebar); color: #fff; flex-shrink: 0; }
.admin-sidebar a { color: rgba(255,255,255,0.9); text-decoration: none; display: block; padding: 0.6rem 1rem; font-size: 0.9rem; }
.admin-sidebar a:hover { background: rgba(255,255,255,0.1); color: #fff; }
.admin-sidebar .brand { padding: 1rem; font-weight: 700; color: #fff; border-bottom: 1px solid rgba(255,255,255,0.2); }
.admin-sidebar .nav-section { padding: 0.5rem 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.admin-sidebar .nav-section-title { padding: 0.5rem 1rem; font-size: 0.75rem; text-transform: uppercase; color: rgba(255,255,255,0.6); }
.admin-main { flex: 1; padding: 1.5rem; overflow: auto; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.admin-header h2 { margin: 0; font-size: 1.35rem; }
.admin-header .user { font-size: 0.9rem; color: var(--admin-muted); }
.admin-header .user a { color: var(--admin-primary); margin-left: 0.5rem; }

/* Cards & tables */
.card { background: var(--admin-card); border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); margin-bottom: 1.5rem; overflow: hidden; }
.card-header { padding: 1rem 1.25rem; border-bottom: 1px solid #eee; font-weight: 600; }
.card-body { padding: 1.25rem; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.6rem 1rem; text-align: left; border-bottom: 1px solid #eee; }
th { background: #f8f9fa; font-weight: 600; font-size: 0.85rem; }
tr:hover td { background: #f8f9fa; }
.actions { white-space: nowrap; }
.actions a, .actions button { margin-right: 0.5rem; font-size: 0.85rem; }
.btn { display: inline-block; padding: 0.5rem 1rem; font-family: var(--font-sans); font-size: 0.9rem; border-radius: 6px; cursor: pointer; border: none; text-decoration: none; }
.btn-primary { background: var(--admin-primary); color: #fff; }
.btn-primary:hover { background: #0f3d1a; color: #fff; }
.btn-secondary { background: #6c757d; color: #fff; }
.btn-secondary:hover { background: #5a6268; color: #fff; }
.btn-danger { background: #dc3545; color: #fff; }
.btn-danger:hover { background: #c82333; color: #fff; }
.btn-sm { padding: 0.35rem 0.65rem; font-size: 0.8rem; }
.btn-block { display: block; text-align: center; width: 100%; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.35rem; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.5rem 0.75rem; font-family: var(--font-sans); font-size: 0.95rem; border: 1px solid #ddd; border-radius: 6px; }
.form-group textarea { min-height: 100px; resize: vertical; }
.form-hint { margin: 0.25rem 0 0; font-size: 0.85rem; color: var(--admin-muted); }
.form-hint a { color: var(--admin-primary); }
.form-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }
.alert { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.alert-error { background: #f8d7da; color: #721c24; }
.alert-success { background: #d4edda; color: #155724; }

/* Dashboard grid */
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }
.dashboard-tile { background: var(--admin-card); padding: 1.25rem; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.dashboard-tile h3 { margin: 0 0 0.5rem; font-size: 1rem; color: var(--admin-primary); }
.dashboard-tile p { margin: 0; font-size: 0.9rem; color: var(--admin-muted); }
.dashboard-tile a { text-decoration: none; color: inherit; display: block; }

/* Message details */
.message-meta { width: 100%; margin-bottom: 1.5rem; }
.message-meta th { text-align: left; width: 100px; padding: 0.35rem 0.5rem 0.35rem 0; color: var(--admin-muted); font-weight: 500; }
.message-meta td { padding: 0.35rem 0; }
.message-body h4 { margin: 0 0 0.5rem; }
.message-content { background: #f8f9fa; padding: 1rem; border-radius: 6px; white-space: pre-wrap; word-wrap: break-word; }
tr.unread { background: #f0f7ff; }