/* ============================================
   QUIX SPORTS CLUB - LOGIN PAGE
   Modern Premium Design System
   ============================================ */

:root {
    /* Colors - Quix Theme (Refined) */
    --body-bg: #f3f4f6;
    --surface-bg: #f5f5f7;
    --card-bg: #ffffff;
    --primary-accent: #2D7DFB;
    --primary-accent-hover: #1d6ef0;
    --secondary-text: #6B7280;
    --muted-text: #9ca3af;
    --border-color: #E5E7EB;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --error-bg: #FEF2F2;
    --error-text: #DC2626;
    --error-border: #FCA5A5;
    
    /* Typography */
    --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.18);
}

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

body {
    font-family: var(--font-family);
    background: var(--body-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

/* Background Image with Blur Effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(8px);
    transform: scale(1.1);
    z-index: -2;
}

/* Dark Overlay for better readability */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

.login-container {
    width: 100%;
    max-width: 480px;
    padding: var(--spacing-md);
}

.login-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-logo {
    width: 110px;
    height: 110px;
    object-fit: contain;
    margin: 0 auto var(--spacing-md);
    display: block;
    background: white;
    padding: var(--spacing-sm);
    border-radius: 50px;
    box-shadow: var(--shadow-md);
}

.login-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
}

.login-header p {
    font-size: 0.875rem;
    color: var(--secondary-text);
    margin-top: var(--spacing-sm);
}

.alert {
    border-radius: var(--radius-full);
    padding: 12px 16px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    border: 1px solid var(--error-border);
    background: var(--error-bg);
    color: var(--error-text);
}

.alert i {
    font-size: 1rem;
}

.login-form {
    margin-top: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

.form-group label i {
    color: var(--secondary-text);
    width: 16px;
    font-size: 0.875rem;
}

.form-group input {
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-full);
    background: #EEF2FF;
    border: 1px solid transparent;
    font-size: 0.9375rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    transition: box-shadow 0.2s, border-color 0.2s, background-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 2px rgba(45, 125, 251, 0.25);
    background: #fff;
}

.form-group input::placeholder {
    color: var(--secondary-text);
}

.login-btn {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-full);
    background: #000;
    color: #fff;
    font-weight: 600;
    font-size: 0.9375rem;
    border: none;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, background-color 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    font-family: var(--font-family);
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    background: #1a1a1a;
}

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

.login-btn i {
    font-size: 0.875rem;
}

.login-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.login-footer small {
    font-size: 0.75rem;
    color: var(--secondary-text);
    background: rgba(255, 255, 255, 0.6);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    display: inline-block;
}

.login-footer a {
    color: var(--primary-accent);
    text-decoration: none;
    font-weight: 500;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        padding: var(--spacing-sm);
    }
    
    .login-card {
        padding: var(--spacing-lg);
    }
    
    .login-logo {
        width: 60px;
        height: 60px;
    }
    
    .login-header h2 {
        font-size: 1.5rem;
    }
}