/* Authentication Styles - Secure and Professional */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
}

.auth-body {
    background: var(--gradient-navbar);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background: var(--surface-color);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 40px;
    box-shadow: var(--shadow-strong);
    border: 1px solid var(--border-light);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.auth-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.auth-header p {
    color: var(--text-muted);
    font-size: 16px;
}

/* Form Styles */
.auth-form {
    margin-bottom: 25px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fff;
}

.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input[type="text"]:invalid,
.form-group input[type="password"]:invalid {
    border-color: #e74c3c;
}

.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
}

/* Custom Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: #7f8c8d;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #bdc3c7;
    border-radius: 4px;
    margin-right: 8px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-on-primary);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-login {
    width: 100%;
    margin-bottom: 15px;
}

.btn-loader {
    display: none;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loader {
    display: inline;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    border-left: 4px solid;
}

.alert-error {
    background: #ffeaea;
    border-left-color: #e74c3c;
    color: #c0392b;
}

.alert-success {
    background: #eafaf1;
    border-left-color: #27ae60;
    color: #229954;
}

.alert-warning {
    background: #fef9e7;
    border-left-color: #f39c12;
    color: #d68910;
}

/* Footer */
.auth-footer {
    text-align: center;
    margin-top: 25px;
}

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

.security-info small {
    color: #7f8c8d;
    font-size: 12px;
    display: block;
}

.help-links a {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.help-links a:hover {
    text-decoration: underline;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: #fff;
    margin: 10% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid #e1e8ed;
}

.modal-header h3 {
    margin: 0;
    color: #2c3e50;
}

.modal-close {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: #000;
}

.modal-body {
    padding: 25px;
}

.modal-body h4 {
    color: #2c3e50;
    margin-bottom: 10px;
    margin-top: 20px;
}

.modal-body h4:first-child {
    margin-top: 0;
}

.modal-body ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.modal-body li {
    margin-bottom: 5px;
    color: #7f8c8d;
}

/* Responsive Design */
@media (max-width: 480px) {
    .auth-card {
        padding: 30px 25px;
        margin: 10px;
    }
    
    .auth-header h1 {
        font-size: 20px;
    }
    
    .modal-content {
        margin: 5% auto;
        width: 95%;
    }
    
    .modal-header,
    .modal-body {
        padding: 20px;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .auth-card {
        background: rgba(26, 32, 44, 0.95);
        color: #e2e8f0;
    }
    
    .auth-header h1 {
        color: #f7fafc;
    }
    
    .form-group label {
        color: #e2e8f0;
    }
    
    .form-group input[type="text"],
    .form-group input[type="password"] {
        background: #2d3748;
        border-color: #4a5568;
        color: #e2e8f0;
    }
    
    .form-group input[type="text"]:focus,
    .form-group input[type="password"]:focus {
        border-color: #667eea;
        background: #2d3748;
    }
    
    .modal-content {
        background-color: #2d3748;
        color: #e2e8f0;
    }
    
    .modal-header {
        border-bottom-color: #4a5568;
    }
    
    .modal-header h3 {
        color: #f7fafc;
    }
}