/* Authentication Styles */
.auth-section {
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #3b82f6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
    margin-top: 60px;
    margin-bottom: 0px;
    position: relative;
    overflow: hidden;
}

.auth-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.auth-container {
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.auth-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
    padding: 3.5rem;
    animation: slideInUp 0.6s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: #64748b;
    font-size: 1.1rem;
}

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.75rem;
    font-size: 1rem;
    letter-spacing: 0.025em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem 1.25rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15), 0 4px 12px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-group input.success,
.form-group select.success,
.form-group textarea.success {
    border-color: #059669;
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

/* Password Input */
.password-input {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input input {
    width: 100%;
    padding-right: 3rem;
}

.toggle-password {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.toggle-password:hover {
    background-color: #f3f4f6;
}

.eye-icon {
    font-size: 1.2rem;
    opacity: 0.6;
}

/* Password Strength */
.password-strength {
    margin-top: 0.5rem;
}

.strength-bar {
    width: 100%;
    height: 4px;
    background-color: #e5e7eb;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

.strength-fill {
    height: 100%;
    width: 0%;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.strength-fill.weak {
    width: 25%;
    background-color: #dc2626;
}

.strength-fill.fair {
    width: 50%;
    background-color: #f59e0b;
}

.strength-fill.good {
    width: 75%;
    background-color: #3b82f6;
}

.strength-fill.strong {
    width: 100%;
    background-color: #059669;
}

.strength-text {
    font-size: 0.85rem;
    color: #6b7280;
}

/* Form Options */
.form-options {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: #374151;
    line-height: 1.5;
    padding: 0.75rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.checkbox-label:hover {
    background-color: #f8fafc;
}

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

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #d1d5db;
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background-color: #3b82f6;
    border-color: #3b82f6;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
}

.forgot-password {
    color: #3b82f6;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: #1e40af;
    text-decoration: underline;
}

/* Error Messages */
.error-message {
    color: #dc2626;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    min-height: 1.2rem;
    animation: shake 0.5s ease;
}

/* Success Messages */
.success-message {
    color: #059669;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    min-height: 1.2rem;
}

/* Message Display */
.message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    animation: slideInDown 0.3s ease;
}

.message.success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.message.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.message.info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.auth-footer p {
    color: #6b7280;
    font-size: 0.95rem;
}

.auth-footer a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.auth-footer a:hover {
    color: #1e40af;
    text-decoration: underline;
}

/* Demo Credentials */
.demo-credentials {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
    border: 1px solid rgba(255,255,255,0.2);
}

.demo-credentials h3 {
    color: white;
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.credential-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.credential-card {
    background: rgba(255,255,255,0.1);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.2);
}

.credential-card h4 {
    color: #fbbf24;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.credential-card p {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.credential-card strong {
    color: #fbbf24;
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-section {
        padding: 2rem 0;
        margin-top: 60px;
        margin-bottom: 60px;
    }
    
    .auth-card {
        padding: 2.5rem;
        margin: 0 1rem;
    }
    
    .auth-header h2 {
        font-size: 1.75rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.875rem 1rem;
    }
    
    .form-options {
        flex-direction: column;
        gap: 1rem;
    }
    
    .checkbox-label {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .credential-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .auth-container {
        padding: 0 10px;
    }
    
    .auth-card {
        padding: 1.5rem;
    }
    
    .auth-header h2 {
        font-size: 1.5rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.75rem 0.875rem;
        font-size: 0.95rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
}