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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 440px;
    animation: fadeInUp 0.6s ease-out;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 48px 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-logo {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 12px 24px -8px rgba(102, 126, 234, 0.4);
}

.login-logo i {
    font-size: 32px;
    color: white;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 8px;
}

.login-header p {
    color: #718096;
    font-size: 16px;
    font-weight: 400;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    position: relative;
}

.input-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon i {
    position: absolute;
    left: 16px;
    color: #a0aec0;
    font-size: 18px;
    transition: all 0.3s ease;
    pointer-events: none;
}

.input-icon input {
    width: 100%;
    padding: 16px 16px 16px 48px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    background: white;
    color: #1a202c;
}

.input-icon input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
}

.input-icon input:focus + i {
    color: #667eea;
}

.input-icon input::placeholder {
    color: #a0aec0;
}

.toggle-password {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    color: #a0aec0;
    cursor: pointer;
    padding: 0;
    font-size: 18px;
    transition: color 0.3s ease;
}

.toggle-password:hover {
    color: #667eea;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 8px 0 4px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #4a5568;
    font-size: 14px;
    cursor: pointer;
}

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

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    display: inline-block;
    position: relative;
    transition: all 0.2s ease;
}

.checkbox-label input:checked + .checkmark {
    background: #667eea;
    border-color: #667eea;
}

.checkbox-label input:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
}

.forgot-link {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

.login-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-family: 'Inter', sans-serif;
    margin-top: 8px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -8px rgba(102, 126, 234, 0.5);
}

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

.message {
    margin-top: 20px;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 14px;
    display: none;
}

.message.success {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #f0fff4;
    color: #2f855a;
    border: 1px solid #9ae6b4;
}

.message.error {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff5f5;
    color: #c53030;
    border: 1px solid #feb2b2;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        padding: 32px 20px;
    }
    
    .login-header h1 {
        font-size: 24px;
    }
    
    .form-options {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
}