* { margin: 0; padding: 0; box-sizing: border-box; }

body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f6fa; }

/* Login */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}
.login-card {
    background: #fff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 400px;
}

/* Admin Layout */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: 250px;
    background: #1a1a2e;
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
}
.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.admin-sidebar .nav-link {
    color: rgba(255,255,255,0.7);
    padding: 12px 20px;
    border-radius: 0;
    transition: all 0.2s;
}
.admin-sidebar .nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.1);
}
.admin-sidebar .nav-link.active {
    color: #fff;
    background: rgba(255,255,255,0.15);
    border-left: 3px solid #e74c3c;
}
.admin-sidebar .nav-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* Content */
.admin-content {
    margin-left: 250px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.admin-topbar {
    background: #fff;
    padding: 15px 25px;
    border-bottom: 1px solid #e0e0e0;
    position: sticky;
    top: 0;
    z-index: 99;
}
.admin-body {
    padding: 25px;
    flex: 1;
}

/* Stats */
.stat-card {
    padding: 20px;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}
.stat-icon {
    position: absolute;
    right: 15px;
    top: 15px;
    font-size: 2.5rem;
    opacity: 0.3;
}
.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
}
.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Tables */
.table th {
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
}
.table td {
    font-size: 0.9rem;
    vertical-align: middle;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
}
.card-header {
    border-radius: 12px 12px 0 0 !important;
    font-weight: 600;
}

/* Buttons */
.btn { border-radius: 8px; }

/* Modal */
.modal-content {
    border: none;
    border-radius: 12px;
}
.modal-header {
    border-radius: 12px 12px 0 0;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-sidebar {
        width: 60px;
    }
    .admin-sidebar .nav-link span,
    .admin-sidebar .sidebar-header small,
    .admin-sidebar .sidebar-header a span {
        display: none;
    }
    .admin-content {
        margin-left: 60px;
    }
    .admin-body {
        padding: 15px;
    }
}