@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --secondary: #6B7280;
    --success: #10B981;
    --danger: #EF4444;
    --dark: #111827;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

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

.login-wrapper {
    display: flex;
    width: 100%;
    max-width: 1000px;
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-xl), 0 0 40px rgba(102, 126, 234, 0.25);
}

.login-branding {
    flex: 1;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    padding: 60px 50px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.login-branding::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.15) 0%, transparent 60%);
}

.brand-header {
    position: relative;
    z-index: 1;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.brand-logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, #8B5CF6 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.brand-logo-text {
    color: white;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.brand-tagline {
    color: var(--gray-400);
    font-size: 32px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.brand-tagline span {
    color: white;
}

.brand-features {
    position: relative;
    z-index: 1;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    color: var(--gray-300);
    font-size: 15px;
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.login-container {
    flex: 1;
    padding: 60px 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

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

.login-header h1 {
    color: var(--gray-900);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.login-header p {
    color: var(--gray-500);
    font-size: 15px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 14px;
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 18px;
    pointer-events: none;
}

.form-group input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s ease;
    background: var(--gray-50);
}

.form-group input:hover {
    border-color: var(--gray-300);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

.form-group input::placeholder {
    color: var(--gray-400);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.remember-me span {
    color: var(--gray-600);
    font-size: 14px;
}

.forgot-link {
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

.forgot-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.error-message {
    background: linear-gradient(135deg, #FEF2F2 0%, #FEE2E2 100%);
    color: var(--danger);
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 24px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid #FECACA;
}

.error-icon {
    font-size: 18px;
}

.btn-login {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, #0052CC 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px rgba(0, 102, 255, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.45);
}

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

.divider {
    display: flex;
    align-items: center;
    margin: 32px 0;
    color: var(--gray-400);
    font-size: 13px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.divider span {
    padding: 0 16px;
}

.sso-options {
    display: flex;
    gap: 12px;
}

.btn-sso {
    flex: 1;
    padding: 12px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-sso:hover {
    background: white;
    border-color: var(--gray-300);
}

.login-footer {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-100);
}

.login-footer p {
    color: var(--gray-500);
    font-size: 13px;
}

.security-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 10px 16px;
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    border-radius: 100px;
    color: var(--success);
    font-size: 13px;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 900px) {
    .login-wrapper {
        flex-direction: column;
        max-width: 480px;
    }
    
    .login-branding {
        padding: 40px 30px;
    }
    
    .brand-tagline {
        font-size: 24px;
    }
    
    .brand-features {
        display: none;
    }
    
    .login-container {
        padding: 40px 30px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 0;
        background: white;
    }
    
    .login-wrapper {
        border-radius: 0;
        box-shadow: none;
    }
    
    .login-branding {
        padding: 30px 24px;
    }
    
    .login-container {
        padding: 30px 24px;
    }
    
    .sso-options {
        flex-direction: column;
    }
}