/**
 * UI Components CSS - Reusable Component Library
 * Modern glassmorphism design system with consistent styling
 */

/* ========================================
   CSS VARIABLES - Design Tokens
   ======================================== */
:root {
    /* Primary UI Colors */
    --ui-primary: var(--pink-gradient);
    --ui-primary-base: var(--pink);
    --ui-accent: var(--pink-gradient);
    
    /* Glass Effect Properties */
    --glass-background: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 4px 16px rgba(31, 38, 135, 0.2), 0 8px 32px rgba(0, 0, 0, 0.08);
    
    /* Text Colors */
    --text-primary: var(--dark);
    --text-secondary: var(--dark);
    --text-light: var(--white);
    
    /* Typography */
    --font-heading: 'velodroma-superwide', Arial, sans-serif;
    --font-button: 'velodroma-wide', Arial, sans-serif;
    --font-body: Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-xxl: 24px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* ========================================
   TYPOGRAPHY - Headers and Text Styles
   ======================================== */

/* Main page heading */
.heading-primary {
    font-family: var(--font-heading);
    font-weight: bold;
    font-size: 2.0rem;
    color: var(--text-primary);
    text-align: left;
    margin-bottom: 1.5rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* Secondary heading for sections */
.heading-secondary {
    font-family: var(--font-button);
    color: var(--text-primary);
    font-size: 2rem;
    margin: 0 0 var(--spacing-lg) 0;
    font-weight: 400;
}

/* Text emphasis for important content */
.text-emphasis {
    font-family: var(--font-button);
    font-size: 1.2rem;
    color: var(--text-primary);
    display: block;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

/* ========================================
   BUTTONS - Primary and Secondary Actions
   ======================================== */

/* Primary action button with gradient background */
.btn-primary {
    background: var(--ui-primary);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-xxl);
    font-family: var(--font-button);
    font-weight: bold;
    font-size: 0.9rem;
    color: white;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--glass-shadow);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.btn-primary:hover {
    transform: translateY(1px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.25);
}

/* Secondary action button with accent color */
.btn-secondary {
    background: var(--ui-accent);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-button);
    font-weight: bold;
    font-size: 0.8rem;
    color: white;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--glass-shadow);
    text-transform: uppercase;
}

.btn-secondary:hover {
    transform: translateY(1px);
    filter: brightness(0.9);
}

/* Glassmorphism button with glass effect */
.btn-blue {
    background: var(--glass-background);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-xxl);
    font-family: var(--font-button);
    font-weight: bold;
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--glass-shadow);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.btn-blue:hover {
    transform: translateY(1px);
    background: rgba(255, 255, 255, 0.35);
    border-color: var(--ui-primary-base);
    box-shadow: 0 8px 25px rgba(31, 38, 135, 0.2);
}

/* ========================================
   FORM COMPONENTS - Inputs and Labels
   ======================================== */

/* Container for input field with floating label */
.input-group {
    position: relative;
    width: 100%;
    max-width: 300px;
    flex-shrink: 0;
}

.input-group input {
    box-shadow: 0 8px 25px rgba(31, 38, 135, 0.1);
}

/* Floating label positioned above input */
.input-label {
    position: absolute;
    top: -8px;
    left: 15px;
    background: rgba(255, 255, 255, 0.9);
    padding: 2px var(--spacing-sm);
    font-size: 0.7rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-weight: 500;
    z-index: 2;
}

/* Glass effect input field */
.input-field {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: var(--glass-background);
    backdrop-filter: blur(8px);
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all var(--transition-normal);
    box-shadow: var(--glass-shadow);
    box-sizing: border-box;
}

.input-field:focus {
    outline: none;
    border-color: var(--ui-primary-base);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

/* Dropdown select field with custom arrow */
.select-field {
    width: 100%;
    padding: 10px var(--spacing-md);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    background: var(--white);
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--spacing-sm) center;
    background-repeat: no-repeat;
    background-size: 14px;
    padding-right: 30px;
}

.select-field:focus {
    outline: none;
    border-color: var(--ui-primary-base);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

/* Form group container for organizing form elements */
.form-group {
    position: relative;
    min-width: 150px;
    flex: 1;
    max-width: 200px;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

/* ========================================
   LAYOUT COMPONENTS - Containers and Sections
   ======================================== */

/* Glass effect container for grouping related content */
.glass-container {
    background: var(--glass-background);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: 2rem;
    box-shadow: var(--glass-shadow);
    width: 100%;
    box-sizing: border-box;
}

/* Enhanced glass container with stronger blur effect */
.glass-container-enhanced {
    background: var(--glass-background);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    margin-bottom: 2rem;
    box-shadow: var(--glass-shadow);
    text-align: left;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(31, 38, 135, 0.1);
}

/* Top accent border for enhanced containers */
.glass-container-enhanced::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: var(--ui-primary);
}

/* Horizontal layout container for form elements */
.layout-horizontal {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-md);
    justify-content: space-between;;
    flex-wrap: wrap;
}

/* Flexible layout container that adapts to content */
.layout-flexible {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
    box-sizing: border-box;
    box-shadow: 0 8px 25px rgba(31, 38, 135, 0.1);
}

/* Grid layout for displaying items in a structured format */
.layout-grid {
    display: grid;
    gap: var(--spacing-lg);
    width: 100%;
    margin: 0;
    box-shadow: 0 8px 25px rgba(31, 38, 135, 0.1);
}

/* ========================================
   CARD COMPONENTS - Content Display
   ======================================== */

/* Interactive card with hover effects and accent border */
.card-interactive {
    background: var(--glass-background);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--glass-shadow);
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(31, 38, 135, 0.1);
}

/* Bottom accent border for interactive cards */
.card-interactive::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--ui-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card-interactive:hover {
    transform: translateY(1px);
    box-shadow: 0 8px 25px rgba(31, 38, 135, 0.2);
    border-color: var(--ui-primary-base);
}

.card-interactive:hover::before {
    opacity: 1;
}

/* Lighter card variant for secondary content */
.card-light {
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--glass-shadow);
    margin-bottom: var(--spacing-md);
}

.card-light:hover {
    transform: translateY(1px);
    box-shadow: 0 6px 20px rgba(31, 38, 135, 0.12);
    background: rgba(255, 255, 255, 0.45);
}

/* ========================================
   SPECIALIZED COMPONENTS - Domain Specific
   ======================================== */

/* Match information display container */
.match-info-display {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 2em;
    width: 100%;
}

.match-info-display > * {
    flex: 1;
    text-align: center;
}

/* Team name styling */
.team-name {
    font-weight: bold;
    font-family: var(--font-button);
}

/* Score display styling */
.score-display {
    font-weight: bold;
    font-family: var(--font-button);
    font-size: 1.1rem;
}

/* ========================================
   UTILITY CLASSES - Helper Styles
   ======================================== */

/* Spacing utilities */
.spacer {
    height: var(--spacing-xl);
}

.spacer-lg {
    height: var(--spacing-xxl);
}

/* Text utilities */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* Display utilities */
.hidden {
    display: none;
}

.visible {
    display: block;
}

/* ========================================
   RESPONSIVE DESIGN - Mobile Adaptations
   ======================================== */

@media (max-width: 768px) {
    .heading-primary {
        font-size: 1.8rem;
    }
    
    .layout-horizontal {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .layout-flexible {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .form-group {
        max-width: none;
    }
    
    .input-group {
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .input-group {
        max-width: 240px;
    }
    
    .btn-primary {
        width: 100%;
        max-width: 240px;
    }
    
    .glass-container {
        padding: 15px;
    }
    
    .glass-container-enhanced {
        padding: var(--spacing-lg);
    }
}