/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background: #f0f4f8; color: #1a2a3a; }
a { text-decoration: none; color: #00b4d8; }
a:hover { color: #0077b6; }

.container { width: 92%; max-width: 1400px; margin: 0 auto; }

header {
    background: #1a2a3a;
    color: #fff;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
.header-flex {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}
.logo-area h1 { display: inline; font-size: 1.8rem; }
.logo-area h1 a { color: #fff; }
.tagline {
    font-size: 0.9rem;
    color: #90e0ef;
    margin-left: 10px;
    font-style: italic;
}
nav { display: flex; gap: 15px; align-items: center; flex-wrap: wrap; }
nav a, nav span { color: #fff; padding: 5px 10px; border-radius: 4px; transition: background 0.3s; }
nav a:hover { background: #2c3e50; }
.user-greeting { background: #2c3e50; padding: 5px 12px; border-radius: 20px; }
.badge-notif {
    background: #e74c3c;
    color: #fff;
    border-radius: 50%;
    padding: 1px 6px;
    font-size: 0.7rem;
    margin-left: -5px;
    vertical-align: top;
}

main { background: #fff; padding: 20px; min-height: 500px; margin: 20px 0; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }

.dashboard-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.sidebar {
    flex: 0 0 220px;
    background: #f8fafc;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}
.sidebar h3 { margin-bottom: 15px; color: #1a2a3a; }
.sidebar ul { list-style: none; }
.sidebar ul li { margin-bottom: 10px; }
.sidebar ul li a { display: block; padding: 8px 12px; border-radius: 6px; transition: background 0.2s; color: #1a2a3a; }
.sidebar ul li a:hover { background: #e2e8f0; }
.sidebar ul li a i { width: 20px; margin-right: 8px; }

.main-content { flex: 1; min-width: 300px; }
.right-sidebar {
    flex: 0 0 200px;
    background: #f8fafc;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    font-size: 0.9rem;
}
.right-sidebar hr { margin: 15px 0; border: none; border-top: 1px solid #e2e8f0; }

.stats-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 25px;
}
.stat-card {
    background: #f8fafc;
    padding: 20px;
    border-radius: 8px;
    flex: 1 1 150px;
    text-align: center;
    border: 1px solid #e2e8f0;
}
.stat-card i { font-size: 2rem; color: #00b4d8; display: block; margin-bottom: 10px; }
.stat-card span { display: block; font-size: 0.9rem; color: #4a5568; }

.badge {
    background: #00b4d8;
    color: #fff;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
}

.btn {
    display: inline-block;
    background: #00b4d8;
    color: #fff;
    padding: 10px 20px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
    font-size: 1rem;
}
.btn:hover { background: #0077b6; }
.btn-primary { background: #1a2a3a; }
.btn-primary:hover { background: #2c3e50; }

form div { margin-bottom: 15px; }
form label { display: inline-block; width: 160px; font-weight: 600; }
form input[type="text"], form input[type="email"], form input[type="password"], form input[type="date"], form textarea, form select {
    width: 100%;
    max-width: 400px;
    padding: 10px;
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    font-size: 1rem;
}
form textarea { height: 100px; }

.profile-images img {
    margin: 5px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

footer {
    background: #1a2a3a;
    color: #90e0ef;
    text-align: center;
    padding: 20px 0;
    margin-top: 30px;
}
footer .design-credit { font-size: 0.8rem; margin-top: 5px; color: #cbd5e0; }

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
.admin-table th, .admin-table td {
    border: 1px solid #e2e8f0;
    padding: 10px;
    text-align: left;
}
.admin-table th { background: #f8fafc; }

@media (max-width: 992px) {
    .dashboard-wrapper { flex-direction: column; }
    .sidebar, .right-sidebar { flex: 1; }
    .sidebar ul { display: flex; flex-wrap: wrap; gap: 5px; }
    .sidebar ul li { margin: 0; }
    .sidebar ul li a { padding: 6px 12px; }
    .right-sidebar { order: 3; }
}
@media (max-width: 600px) {
    .header-flex { flex-direction: column; align-items: flex-start; }
    nav { margin-top: 10px; }
    .logo-area h1 { font-size: 1.4rem; }
    form label { width: 100%; }
    form input, form textarea, form select { max-width: 100%; }
    .stats-grid { flex-direction: column; }
    .admin-table { font-size: 0.8rem; }
}