/**
 * Component Styles
 * Cards, buttons, forms, and other UI components
 *
 * @package Sporten
 */

/* ============================================
   CARDS - BASE
   ============================================ */
.card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-bg-card);
    transition: transform var(--transition-normal);
}

.card:hover {
    transform: translateY(-2px);
}

.card-link {
    display: block;
    color: inherit;
}

.card-image {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 180px;
    background: linear-gradient(135deg, var(--color-bg-elevated) 0%, var(--color-bg-card) 100%);
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 60%);
    pointer-events: none;
}

.card-image-placeholder {
    width: 100%;
    height: 100%;
    min-height: 180px;
    background: linear-gradient(135deg, var(--color-bg-elevated) 0%, var(--color-bg-card) 100%);
}

.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-4);
    z-index: 1;
}

/* ============================================
   CARDS - CATEGORY BADGE
   ============================================ */
.card-category {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-bg);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   CARDS - TITLE
   ============================================ */
.card-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.card--feature .card-title {
    font-size: var(--font-size-2xl);
    -webkit-line-clamp: 4;
}

@media (min-width: 768px) {
    .card--feature .card-title {
        font-size: var(--font-size-3xl);
    }
}

/* ============================================
   CARDS - META
   ============================================ */
.card-meta {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-2);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ============================================
   CARDS - EXCERPT
   ============================================ */
.card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================
   CARDS - STANDARD (with content below image)
   ============================================ */
.card-standard {
    display: flex;
    flex-direction: column;
}

.card-standard .card-image {
    height: 180px;
    min-height: auto;
}

.card-standard .card-image::after {
    display: none;
}

.card-standard .card-content {
    position: relative;
    padding: var(--space-4);
    background-color: var(--color-bg-card);
}

.card-standard .card-title {
    color: var(--color-text);
}

/* ============================================
   CARDS - SMALL (thumbnail style)
   ============================================ */
.card--small .card-title {
    font-size: var(--font-size-sm);
    -webkit-line-clamp: 2;
}

/* ============================================
   LIST ITEMS
   ============================================ */
.list-item {
    padding: var(--space-4);
    background-color: var(--color-bg-card);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
    transition: background-color var(--transition-fast);
}

.list-item:hover {
    background-color: var(--color-bg-elevated);
}

.list-item-link {
    display: block;
    color: inherit;
}

.list-item-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
    margin: 0 0 var(--space-1) 0;
}

.list-item-meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.list-item-separator {
    margin: 0 var(--space-1);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-6);
    background-color: var(--color-bg-elevated);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn--primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn--large {
    padding: var(--space-3) var(--space-8);
    font-size: var(--font-size-base);
}

/* ============================================
   AD SLOTS
   ============================================ */
.ad-slot {
    background-color: var(--color-bg-elevated);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    min-height: 90px;
    transition: opacity var(--transition-normal);
}

.ad-slot--banner {
    min-height: 90px;
}

.ad-slot--video {
    min-height: 250px;
}

.ad-slot--native {
    min-height: 120px;
}

.ad-slot--sidebar {
    min-height: 250px;
}

/* Ad loading state */
.ad-slot[data-loading="true"] {
    opacity: 0.5;
}

/* Ad loaded state */
.ad-slot[data-loaded="true"] {
    border-style: solid;
    border-color: transparent;
}

/* ============================================
   LOADING STATES
   ============================================ */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.is-loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Skeleton loader */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-bg-card) 25%,
        var(--color-bg-elevated) 50%,
        var(--color-bg-card) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ============================================
   FORMS
   ============================================ */
input[type="text"],
input[type="email"],
input[type="search"],
input[type="url"],
textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-subtle);
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-muted { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }