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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header / Navigation */
header {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
    text-decoration: none;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-menu li a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu li a:hover {
    color: #667eea;
}

/* Login */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    color: #667eea;
    margin-bottom: 10px;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #555;
}

.login-info {
    margin-top: 20px;
    text-align: center;
    color: #777;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #777;
    font-size: 12px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #218838;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 15px;
}

/* Dashboard */
.welcome {
    background: white;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.welcome h1 {
    color: #667eea;
    margin-bottom: 10px;
}

.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

/* Cards */
.card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card h2 {
    color: #667eea;
    margin-bottom: 15px;
}

.card p {
    color: #666;
    margin-bottom: 20px;
}

/* Gifts */
.gifts-section {
    background: white;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.gifts-section h2 {
    color: #667eea;
    margin-bottom: 20px;
}

.gifts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.gift-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s;
    position: relative;
}

.gift-card:hover {
    border-color: #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.gift-card.reserved {
    opacity: 0.7;
    border-color: #6c757d;
}

.gift-card.reserved-by-me {
    border-color: #28a745;
    background: #f0f9f4;
}

.gift-card h3 {
    color: #667eea;
    margin-bottom: 10px;
}

.gift-idea {
    font-size: 16px;
    margin-bottom: 10px;
}

.gift-parent {
    font-size: 12px;
    color: #6c757d;
    margin-bottom: 10px;
    font-style: italic;
}

.price-range {
    color: #28a745;
    font-weight: 600;
    margin: 10px 0;
}

.gift-date {
    color: #6c757d;
    font-size: 12px;
}

.reservation-status {
    background: #28a745;
    color: white;
    padding: 8px 12px;
    border-radius: 5px;
    margin-top: 10px;
    text-align: center;
    font-weight: 600;
}

.gift-card.reserved .reservation-status {
    background: #6c757d;
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: #6c757d;
    font-style: italic;
}

/* Directory */
.directory-table {
    background: white;
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: #667eea;
    color: white;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

th {
    font-weight: 600;
}

tbody tr:hover {
    background: #f8f9fa;
}

tbody tr:last-child td {
    border-bottom: none;
}

/* Birthdays */
.birthdays-section {
    background: white;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.birthdays-section h2 {
    color: #667eea;
    margin-bottom: 20px;
}

.birthdays-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.birthday-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.birthday-name {
    font-weight: 600;
    color: #333;
}

.birthday-date {
    color: #6c757d;
    font-size: 14px;
}

/* Profile */
.profile-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 20px;
}

.close:hover,
.close:focus {
    color: #000;
}

.modal-content h2 {
    color: #667eea;
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 10px;
    }
    
    .dashboard {
        grid-template-columns: 1fr;
    }
    
    .gifts-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-sections {
        grid-template-columns: 1fr;
    }
    
    .birthday-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    table {
        font-size: 12px;
    }
    
    th, td {
        padding: 8px;
    }
}

/* Users Management */
.admin-notice {
    background: #fff3cd;
    color: #856404;
    padding: 12px;
    border-radius: 8px;
    border-left: 4px solid #ffc107;
    margin-bottom: 20px;
}

.users-section {
    background: white;
    padding: 30px;
    border-radius: 15px;
    margin-top: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.users-section h2 {
    color: #667eea;
    margin-bottom: 20px;
}

.users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.user-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s;
}

.user-card:hover {
    border-color: #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.user-card.admin-card {
    border-color: #ffc107;
    background: #fff9e6;
}

.user-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e9ecef;
}

.user-header h3 {
    color: #333;
    margin: 0;
}

.badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge-admin {
    background: #ffc107;
    color: #856404;
}

.user-info {
    margin-bottom: 15px;
}

.user-info p {
    margin: 8px 0;
    color: #555;
    font-size: 14px;
}

.user-info code {
    background: #e9ecef;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    color: #667eea;
}

.user-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 2px solid #e9ecef;
}

.text-muted {
    color: #6c757d;
}

.card-admin {
    border: 2px solid #ffc107;
    background: linear-gradient(135deg, #fff9e6 0%, #ffffff 100%);
}

.card-admin:hover {
    border-color: #e0a800;
}