:root {
    --primary-color: #A374F8;
    --primary-gradient: linear-gradient(135deg, #A374F8 0%, #8B5CF6 100%);
    --primary-hover: linear-gradient(135deg, #9257f5 0%, #7C3AED 100%);
    --accent-color: #EDE6FA;
    --background: #ffffff;
    --surface: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.9);
    --text-primary: #1a1a1a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --success: #10B981;
    --success-light: #ecfdf5;
    --warning: #F59E0B;
    --warning-light: #fffbeb;
    --error: #EF4444;
    --error-light: #fef2f2;
    --gray: #6B7280;
    --dark: #1F2937;
    
    /* Glass morphism */
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}/* Login Page Specific Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

/* Animated background elements */
.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--primary-gradient);
    opacity: 0.03;
    animation: float 20s ease-in-out infinite;
}

.login-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(163, 116, 248, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(237, 230, 250, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.login-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    box-shadow: 
        var(--shadow-xl),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 20px 40px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
    transition: all var(--transition-normal);
}

.login-card:hover {
    transform: translateY(-2px);
    box-shadow: 
        var(--shadow-xl),
        0 0 0 1px rgba(255, 255, 255, 0.2),
        0 25px 50px rgba(0, 0, 0, 0.15);
}

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

.brand h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0 0 8px 0;
    letter-spacing: -0.025em;
}

.brand p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    font-weight: 500;
    margin: 0;
    opacity: 0.8;
}

/* Form Styles */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-control {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    background: var(--surface);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 400;
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--background);
    box-shadow: 
        0 0 0 3px rgba(163, 116, 248, 0.1),
        var(--shadow-sm);
    transform: translateY(-1px);
}

.form-control::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 16px 32px;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

/* Error Message Styles */
[style*="background: #FEE2E2"] {
    background: var(--error-light) !important;
    color: var(--error) !important;
    padding: 16px !important;
    border-radius: var(--radius-md) !important;
    margin-bottom: 24px !important;
    border: 1px solid rgba(239, 68, 68, 0.2);
    font-weight: 500;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

[style*="background: #FEE2E2"]::before {
    content: '⚠';
    font-weight: bold;
    font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container {
        padding: 16px;
    }
    
    .login-card {
        padding: 32px 24px;
        border-radius: var(--radius-lg);
    }
    
    .brand h1 {
        font-size: 2rem;
    }
    
    .brand p {
        font-size: 1rem;
    }
    
    .form-control {
        padding: 14px 16px;
    }
    
    .btn {
        padding: 14px 24px;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .login-container {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    }
    
    .login-card {
        background: rgba(30, 41, 59, 0.9);
        border-color: rgba(255, 255, 255, 0.1);
        color: #f8fafc;
    }
    
    .form-control {
        background: rgba(15, 23, 42, 0.8);
        border-color: rgba(255, 255, 255, 0.1);
        color: #f8fafc;
    }
    
    .form-control:focus {
        background: rgba(15, 23, 42, 0.9);
    }
}

/* Loading state */
.btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 8px;
}

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

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    .login-container::before,
    .btn-primary::before,
    .login-card,
    .form-control,
    .btn {
        animation: none;
        transition: none;
    }
}

/* Focus styles for keyboard navigation */
.form-control:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}