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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 520px;
}

.login-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e5e5;
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.brand-section {
    background: #fafafa;
    text-align: center;
    border-bottom: 1px solid #e5e5e5;
}


.logo-icon {
    width: 60px;
    height: 60px;
    background: #2c3e50;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: white;
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -1px;
}

.brand-name {
    color: #2c3e50;
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -0.5px;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.login-form {
    padding: 40px 30px 30px;
}

.form-title {
    color: #2c3e50;
    font-size: 22px;
    font-weight: 500;
    margin-bottom: 30px;
    text-align: center;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    color: #495057;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.input-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fff;
}

.input-group input:focus {
    outline: none;
    border-color: #2c3e50;
    box-shadow: 0 0 0 2px rgba(44, 62, 80, 0.1);
}

.input-group input.error {
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.password-container {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.password-toggle:hover {
    background-color: #f8f9fa;
}

.eye-icon {
    font-size: 18px;
    user-select: none;
}

.input-error {
    color: #dc3545;
    font-size: 12px;
    margin-top: 5px;
    display: block;
    min-height: 16px;
}

.password-requirements {
    margin-top: 10px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 4px;
    border-left: 3px solid #2c3e50;
}

.password-requirements p {
    font-size: 12px;
    color: #6c757d;
    margin-bottom: 8px;
    font-weight: 600;
}

.password-requirements ul {
    list-style: none;
    padding: 0;
}

.password-requirements li {
    font-size: 12px;
    color: #6c757d;
    margin-bottom: 4px;
    transition: color 0.3s ease;
}

.password-requirements li.valid {
    color: #28a745;
}

.password-requirements li.invalid {
    color: #dc3545;
}

.form-actions {
    margin-top: 30px;
}

.login-button {
    width: 100%;
    background: #2c3e50;
    color: white;
    border: none;
    padding: 16px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.login-button:hover:not(:disabled) {
    background: #34495e;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(44, 62, 80, 0.2);
}

.login-button:active {
    transform: translateY(0);
}

.login-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.button-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

.button-loader.active {
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 12px 16px;
    border-radius: 6px;
    border: 1px solid #f5c6cb;
    margin-top: 20px;
    font-size: 14px;
    display: none;
    animation: shake 0.5s ease-in-out;
}

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

.error-message.show {
    display: block;
}

.footer-links {
    padding: 20px 30px 30px;
    text-align: center;
    background: #f8f9fa;
}

.forgot-password {
    color: #2c3e50;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: #34495e;
    text-decoration: underline;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 12px 16px;
    border-radius: 6px;
    border: 1px solid #c3e6cb;
    margin-top: 20px;
    font-size: 14px;
    display: none;
}

.success-message.show {
    display: block;
}

.notifications-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
    width: 100%;
}

.notification {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: 1px solid #e5e5e5;
    padding: 16px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease;
    min-width: 300px;
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification.hide {
    opacity: 0;
    transform: translateX(400px);
}

.notification-content {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    flex: 1;
}

.notification-icon {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.notification-message {
    font-size: 14px;
    line-height: 1.5;
    color: #2c3e50;
    flex: 1;
}

.notification-close {
    background: none;
    border: none;
    color: #6c757d;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.notification-close:hover {
    background: #f8f9fa;
    color: #2c3e50;
}

.notification-success {
    border-left: 4px solid #28a745;
}

.notification-success .notification-icon {
    color: #28a745;
}

.notification-error {
    border-left: 4px solid #dc3545;
}

.notification-error .notification-icon {
    color: #dc3545;
}

.notification-warning {
    border-left: 4px solid #ffc107;
}

.notification-warning .notification-icon {
    color: #ffc107;
}

.notification-info {
    border-left: 4px solid #2c3e50;
}

.notification-info .notification-icon {
    color: #2c3e50;
}

@media (max-width: 480px) {
    .notifications-container {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
    
    .notification {
        min-width: auto;
    }
    
    .login-container {
        margin: 10px;
    }
    
    .login-card {
        border-radius: 12px;
    }
    
    .brand-section {
        padding: 30px 20px 20px;
    }
    
    .login-form {
        padding: 30px 20px 20px;
    }
    
    .logo-icon {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
    
    .brand-name {
        font-size: 28px;
    }
    
    .form-title {
        font-size: 20px;
    }
}