/**
 * Team Exciting - Premium Component Library
 * Buttons, Cards, Forms, and UI Components
 * Version: 2.0.0
 * Date: 2025-11-20
 *
 * Built on Design System Variables
 * Gaming/eSports Premium Aesthetic
 */


/* ============================================
   BUTTONS - Gaming CTA System
   ============================================ */

.btn,
button.btn,
a.btn,
input[type="submit"].btn {
    /* Base Styles */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);

    /* Typography */
    font-family: var(--font-display);
    font-weight: var(--font-semibold);
    font-size: var(--text-base);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    text-decoration: none;
    line-height: 1;

    /* Spacing */
    padding: 0 var(--btn-padding-x-md);
    height: var(--btn-height-md);

    /* Visual */
    background-color: var(--color-bg-medium);
    color: var(--color-text-primary);
    border: 2px solid var(--color-border-medium);
    border-radius: var(--radius-base);
    box-shadow: var(--shadow-base);

    /* Animation */
    transition: var(--transition-all);
    cursor: pointer;
    position: relative;
    overflow: hidden;

    /* Prevent text selection */
    user-select: none;
    -webkit-user-select: none;
}

/* Button Hover Effect */
.btn:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Button Active/Pressed State */
.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Button Focus State */
.btn:focus {
    outline: none;
    box-shadow: var(--shadow-md), 0 0 0 3px rgba(var(--color-primary-rgb), 0.2);
}


/* --------------------------------------------
   Button Variants - Color Schemes
   -------------------------------------------- */

/* Primary Button - Main CTA */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #000000;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    box-shadow: var(--shadow-glow-primary-md);
    border-color: var(--color-primary-light);
}

/* Secondary Button */
.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: #FFFFFF;
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-glow-secondary);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-secondary) 100%);
    box-shadow: var(--shadow-glow-secondary-md);
}

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: #000000;
    box-shadow: var(--shadow-glow-primary);
}

/* Ghost Button - Transparent */
.btn-ghost {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-border-subtle);
}

/* Success Button */
.btn-success {
    background: var(--color-success);
    color: #000000;
    border-color: var(--color-success);
    box-shadow: var(--shadow-glow-success);
}

/* Danger/Error Button */
.btn-danger {
    background: var(--color-error);
    color: #FFFFFF;
    border-color: var(--color-error);
    box-shadow: var(--shadow-glow-error);
}


/* --------------------------------------------
   Button Sizes
   -------------------------------------------- */

.btn-sm {
    height: var(--btn-height-sm);
    padding: 0 var(--btn-padding-x-sm);
    font-size: var(--text-sm);
}

.btn-md {
    height: var(--btn-height-md);
    padding: 0 var(--btn-padding-x-md);
    font-size: var(--text-base);
}

.btn-lg {
    height: var(--btn-height-lg);
    padding: 0 var(--btn-padding-x-lg);
    font-size: var(--text-lg);
}

.btn-xl {
    height: var(--btn-height-xl);
    padding: 0 var(--btn-padding-x-xl);
    font-size: var(--text-xl);
}

/* Full Width Button */
.btn-block {
    display: flex;
    width: 100%;
}


/* --------------------------------------------
   Button States
   -------------------------------------------- */

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #FFFFFF;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}


/* ============================================
   CARDS - Content Containers
   ============================================ */

.card {
    /* Base Styles */
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    padding: var(--card-padding);

    /* Animation */
    transition: var(--transition-all);
    position: relative;
    overflow: hidden;
}

/* Card Hover Effect */
.card:hover,
.card.interactive:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-4px);
    border-color: var(--color-border-medium);
}

/* Card with Glow */
.card-glow {
    box-shadow: var(--card-shadow), var(--shadow-glow-primary);
}

.card-glow:hover {
    box-shadow: var(--card-shadow-hover), var(--shadow-glow-primary-md);
}


/* --------------------------------------------
   Card Header
   -------------------------------------------- */

.card-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border-subtle);
    margin: calc(var(--card-padding) * -1) calc(var(--card-padding) * -1) var(--card-padding);
    background: rgba(255, 255, 255, 0.02);
}

.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4 {
    margin: 0;
    font-family: var(--font-display);
    font-weight: var(--font-bold);
    color: var(--color-text-heading);
}


/* --------------------------------------------
   Card Body
   -------------------------------------------- */

.card-body {
    padding: var(--space-6);
}

.card-body p:last-child {
    margin-bottom: 0;
}


/* --------------------------------------------
   Card Footer
   -------------------------------------------- */

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border-subtle);
    margin: var(--card-padding) calc(var(--card-padding) * -1) calc(var(--card-padding) * -1);
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}


/* --------------------------------------------
   Card Variants
   -------------------------------------------- */

/* Tournament Card */
.card-tournament {
    background: linear-gradient(135deg, var(--color-bg-medium) 0%, var(--color-bg-dark) 100%);
    border-color: rgba(var(--color-primary-rgb), 0.3);
}

.card-tournament:hover {
    border-color: rgba(var(--color-primary-rgb), 0.6);
    box-shadow: var(--card-shadow-hover), var(--shadow-glow-primary);
}

/* Player Card */
.card-player {
    background: linear-gradient(135deg, var(--color-bg-medium) 0%, var(--color-bg-dark) 100%);
    border-color: rgba(var(--color-accent-cyan-rgb), 0.3);
}

.card-player:hover {
    border-color: rgba(var(--color-accent-cyan-rgb), 0.6);
    box-shadow: var(--card-shadow-hover), var(--shadow-glow-cyan);
}

/* Team Card */
.card-team {
    background: linear-gradient(135deg, var(--color-bg-medium) 0%, var(--color-bg-dark) 100%);
    border-color: rgba(var(--color-secondary-rgb), 0.3);
}

.card-team:hover {
    border-color: rgba(var(--color-secondary-rgb), 0.6);
    box-shadow: var(--card-shadow-hover), var(--shadow-glow-secondary);
}

/* Match Card */
.card-match {
    background: linear-gradient(135deg, var(--color-bg-medium) 0%, var(--color-bg-dark) 100%);
    border-color: rgba(var(--color-accent-purple-rgb), 0.3);
}

.card-match:hover {
    border-color: rgba(var(--color-accent-purple-rgb), 0.6);
    box-shadow: var(--card-shadow-hover), var(--shadow-glow-purple);
}


/* --------------------------------------------
   Card Image
   -------------------------------------------- */

.card-image {
    margin: calc(var(--card-padding) * -1) calc(var(--card-padding) * -1) var(--card-padding);
    width: calc(100% + var(--card-padding) * 2);
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--card-radius) var(--card-radius) 0 0;
}


/* --------------------------------------------
   Card Meta Information
   -------------------------------------------- */

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-3);
}

.card-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}


/* ============================================
   BADGES - Status Indicators
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Badge Variants */
.badge-primary {
    background: rgba(var(--color-primary-rgb), 0.2);
    color: var(--color-primary);
    border-color: rgba(var(--color-primary-rgb), 0.4);
}

.badge-success {
    background: rgba(var(--color-success-rgb), 0.2);
    color: var(--color-success);
    border-color: rgba(var(--color-success-rgb), 0.4);
}

.badge-warning {
    background: rgba(var(--color-warning-rgb), 0.2);
    color: var(--color-warning);
    border-color: rgba(var(--color-warning-rgb), 0.4);
}

.badge-error {
    background: rgba(var(--color-error-rgb), 0.2);
    color: var(--color-error);
    border-color: rgba(var(--color-error-rgb), 0.4);
}

.badge-info {
    background: rgba(var(--color-info-rgb), 0.2);
    color: var(--color-info);
    border-color: rgba(var(--color-info-rgb), 0.4);
}


/* ============================================
   STATS DISPLAY - Gaming Statistics
   ============================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--grid-gap);
}

.stat-box {
    background: var(--color-bg-medium);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    text-align: center;
    transition: var(--transition-all);
}

.stat-box:hover {
    background: var(--color-bg-light);
    border-color: var(--color-border-medium);
    transform: translateY(-2px);
}

.stat-value {
    font-family: var(--font-mono);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}


/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
    .card {
        padding: var(--space-4);
    }

    .card-header,
    .card-footer {
        padding: var(--space-3) var(--space-4);
    }

    .btn {
        min-width: auto;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }
}

@media (max-width: 480px) {
    .card {
        padding: var(--space-3);
        border-radius: var(--radius-md);
    }

    .btn-block {
        font-size: var(--text-sm);
    }
}


/* ============================================
   END OF COMPONENTS
   Version: 2.0.0
   Last Updated: 2025-11-20
   ============================================ */