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

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

:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --secondary: #10B981;
    --danger: #DC2626;
    --warning: #F59E0B;
    --success: #10B981;
    --admin: #7C3AED;
    --admin-dark: #6D28D9;
    
    --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 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    line-height: 1.6;
    font-size: 14px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.admin-login {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

body.satici-login {
    background: linear-gradient(135deg, #2563EB 0%, #10B981 100%);
}

.login-container {
    width: 100%;
    max-width: 1200px;
    margin: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.admin-login .login-container {
    grid-template-columns: 1fr;
    max-width: 500px;
    justify-content: center;
}

.login-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
}

.admin-card {
    border-top: 4px solid var(--admin);
}

.satici-card {
    border-top: 4px solid var(--primary);
}

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

.login-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2rem;
    color: white;
}

.admin-card .login-logo {
    background: linear-gradient(135deg, var(--admin), var(--admin-dark));
}

.satici-card .login-logo {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--gray-600);
    font-size: 1rem;
}

.login-form {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-group label i {
    width: 16px;
    color: var(--gray-500);
}

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: all 0.2s;
    background: white;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.admin-card .form-group input:focus {
    border-color: var(--admin);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.password-input {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.password-toggle:hover {
    color: var(--gray-700);
    background: var(--gray-100);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--gray-600);
}

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

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--gray-300);
    border-radius: 4px;
    position: relative;
    transition: all 0.2s;
}

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

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

.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);
}

.forgot-password {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
}

.admin-card .forgot-password {
    color: var(--admin);
}

.forgot-password:hover {
    text-decoration: underline;
}

.login-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: white;
}

.satici-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.satici-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark), #1E40AF);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.admin-btn {
    background: linear-gradient(135deg, var(--admin), var(--admin-dark));
}

.admin-btn:hover {
    background: linear-gradient(135deg, var(--admin-dark), #5B21B6);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.login-footer {
    border-top: 1px solid var(--gray-200);
    padding-top: 1.5rem;
}

.demo-accounts {
    margin-bottom: 1.5rem;
}

.demo-accounts h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.75rem;
}

.demo-account {
    padding: 0.5rem 0.75rem;
    background: var(--gray-50);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.demo-account strong {
    color: var(--gray-900);
}

.login-links {
    text-align: center;
}

.link-primary,
.link-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.link-primary {
    background: var(--primary);
    color: white;
}

.link-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.link-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.link-secondary:hover {
    background: var(--gray-200);
}

.features-panel {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: 2rem;
    color: white;
}

.features-panel h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-item i {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.feature-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.feature-item p {
    font-size: 0.875rem;
    opacity: 0.9;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .login-container {
        grid-template-columns: 1fr;
        margin: 1rem;
        gap: 1rem;
    }
    
    .login-card {
        padding: 2rem 1.5rem;
    }
    
    .features-panel {
        order: -1;
        padding: 1.5rem;
    }
    
    .features-panel h3 {
        font-size: 1.25rem;
    }
    
    .feature-list {
        gap: 1rem;
    }
    
    .feature-item {
        gap: 0.75rem;
    }
    
    .feature-item i {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 0;
    }
    
    .login-container {
        margin: 0;
        min-height: 100vh;
        align-content: center;
    }
    
    .login-card {
        border-radius: 0;
        box-shadow: none;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    
    .features-panel {
        border-radius: 0;
        min-height: 50vh;
    }
    
    .login-header {
        margin-bottom: 1.5rem;
    }
    
    .login-logo {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .login-header h1 {
        font-size: 1.5rem;
    }
}