.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: 2rem 1rem;
}

.auth-box {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 2.5rem;
    max-width: 450px;
    width: 100%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.auth-box h1 {
    margin: 0 0 0.5rem;
    font-size: 1.75rem;
    color: #2c3e50;
}

.auth-subtitle {
    margin: 0 0 2rem;
    color: #666;
    font-size: 0.95rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: #2c3e50;
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.btn-primary {
    background-color: #3498db;
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-primary:active {
    transform: translateY(1px);
}

.auth-switch {
    margin: 1.5rem 0 0;
    text-align: center;
    color: #666;
    font-size: 0.95rem;
}

.auth-switch a {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Flash Messages */
.flash-messages {
    margin-bottom: 1.5rem;
}

.auth-flash-messages {
    margin-bottom: 1.5rem;
}

.flash-message {
    padding: 1rem 1.25rem;
    border-radius: 4px;
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.flash-info {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

.flash-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    padding: 0;
    line-height: 1;
    margin-left: 1rem;
}

.flash-close:hover {
    opacity: 1;
}

/* Header additions */
.site-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.auth-nav {
    margin-left: auto;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.auth-nav .username {
    color: #2c3e50;
    font-weight: 500;
}

.notifications-link {
    position: relative;
}

.notification-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: #e74c3c;
    color: white;
    border-radius: 10px;
    padding: 2px 6px;
    font-size: 0.75rem;
    font-weight: bold;
    min-width: 18px;
    text-align: center;
    display: none;
}

.notification-badge.has-notifications {
    display: block;
}