/* assets/css/styles.css */

:root {
    --dcf-bg-primary: #2f3541;
    --dcf-bg-secondary: #292e38;
    --dcf-bg-card: #292e38;
    --dcf-bg-hover: #222222;
    --dcf-text-primary: #ffffff;
    --dcf-text-secondary: #b3b3b3;
    --dcf-text-muted: #808080;
    --dcf-accent: #6b7280; /* Zmiana na szary dla aktywnych kategorii */
    --dcf-accent-hover: #e4002b;
    --dcf-border: #2a2a2a;
    --dcf-radius: 12px;
    --dcf-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --dcf-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Container główny */
.dcf-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    background: var(--dcf-bg-primary);
    border-radius: var(--dcf-radius);
    min-height: 500px;
}

/* Pasek filtrów */
.dcf-filters-bar {
    background: var(--dcf-bg-secondary);
    border-radius: var(--dcf-radius);
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: var(--dcf-shadow);
    position: sticky;
    top: 20px;
    z-index: 100;
}

.dcf-filters-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

/* Wskaźniki przewijania dla mobile */
@media (max-width: 768px) {
    .dcf-filters-bar {
        position: relative;
    }
    
    /* Gradient po lewej stronie */
    .dcf-filters-bar::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 20px;
        height: 100%;
        background: linear-gradient(to right, var(--dcf-bg-secondary), transparent);
        pointer-events: none;
        z-index: 1;
        opacity: 0;
        transition: opacity 0.3s;
    }
    
    /* Gradient po prawej stronie */
    .dcf-filters-bar::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 20px;
        height: 100%;
        background: linear-gradient(to left, var(--dcf-bg-secondary), transparent);
        pointer-events: none;
        z-index: 1;
        opacity: 0;
        transition: opacity 0.3s;
    }
    
    .dcf-filters-bar.can-scroll-left::before {
        opacity: 1;
    }
    
    .dcf-filters-bar.can-scroll-right::after {
        opacity: 1;
    }
}

/* Pojedynczy filtr */
.dcf-filter-item {
    position: relative;
}

.dcf-filter-checkbox {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.dcf-filter-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--dcf-bg-card);
    border: 2px solid var(--dcf-border);
    border-radius: 8px;
    color: var(--dcf-text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--dcf-transition);
    user-select: none;
    position: relative;
    overflow: hidden;
}

.dcf-filter-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(99, 102, 241, 0.1));
    opacity: 0;
    transition: opacity 0.3s;
}

.dcf-filter-label:hover {
    background: var(--dcf-bg-hover);
    border-color: var(--dcf-border);
    color: var(--dcf-text-primary);
    box-shadow: 0 2px 8px rgba(107, 114, 128, 0.2);
}

.dcf-filter-label:hover::before {
    opacity: 1;
}

.dcf-filter-checkbox:checked + .dcf-filter-label {
    background: var(--dcf-accent);
    border-color: var(--dcf-accent);
    color: var(--dcf-text-primary);
    box-shadow: 0 2px 8px rgba(107, 114, 128, 0.3);
}

.dcf-filter-item.active .dcf-filter-label {
    background: var(--dcf-accent);
    border-color: var(--dcf-accent);
    color: var(--dcf-text-primary);
}

/* Ikony w filtrach */
.dcf-filter-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dcf-filter-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0.9);
    transition: filter 0.3s;
}

.dcf-filter-checkbox:checked + .dcf-filter-label .dcf-filter-icon img,
.dcf-filter-label:hover .dcf-filter-icon img {
    filter: brightness(1.2);
}

.dcf-filter-icon svg {
    width: 100%;
    height: 100%;
}

.dcf-filter-text {
    font-weight: 500;
    letter-spacing: 0.025em;
}

/* Grid kart */
.dcf-cards-container {
    min-height: 400px;
    position: relative;
}

.dcf-cards-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Pojedyncza karta */
.dcf-card {
    background: var(--dcf-bg-card);
    border-radius: var(--dcf-radius);
    overflow: hidden;
    transition: var(--dcf-transition);
    box-shadow: var(--dcf-shadow);
    animation: dcf-fadeIn 0.5s ease-out;
}

@keyframes dcf-fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dcf-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.6);
    background: var(--dcf-bg-hover);
}

.dcf-card-link {
    display: flex;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.dcf-card-link:hover {
    text-decoration: none;
}

/* Obrazek karty */
.dcf-card-image {
    width: 40%;
    min-height: 250px;
    position: relative;
    background: var(--dcf-bg-secondary);
    overflow: hidden;
}

.dcf-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.dcf-card-image-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    color: var(--dcf-text-muted);
    opacity: 0.3;
}

.dcf-card-image img:not([src=""]) ~ .dcf-card-image-placeholder {
    display: none;
}

/* Zawartość karty */
.dcf-card-content {
    flex: 1;
    padding: 25px;
    display: flex;
    flex-direction: column;
}

.dcf-card-title {
    color: var(--dcf-text-primary);
    font-size: 22px;
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 12px 0;
    transition: color 0.3s;
}

.dcf-card:hover .dcf-card-title {
    color: var(--dcf-accent-hover);
}

.dcf-card-excerpt {
    color: var(--dcf-text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 15px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.dcf-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--dcf-border);
}

.dcf-card-author {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--dcf-text-muted);
    font-size: 13px;
}

.dcf-card-author-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
}

.dcf-card-author-name {
    color: var(--dcf-text-secondary);
    font-weight: 500;
}

.dcf-card-date {
    color: var(--dcf-text-muted);
    font-size: 13px;
}

.dcf-card-read-more {
    color: var(--dcf-text-primary);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
}

.dcf-card:hover .dcf-card-read-more {
    color: var(--dcf-accent-hover);
}

/* Loader */
.dcf-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--dcf-text-secondary);
}

.dcf-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--dcf-border);
    border-top-color: var(--dcf-accent);
    border-radius: 50%;
    animation: dcf-spin 1s linear infinite;
    margin-bottom: 15px;
}

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

/* Przycisk załaduj więcej */
.dcf-load-more-container {
    text-align: center;
    padding: 30px;
}

.dcf-load-more-btn {
    background: var(--dcf-bg-secondary);
    color: var(--dcf-text-primary);
    border: 1px solid var(--dcf-border);
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
}

.dcf-load-more-btn:hover {
    background: var(--dcf-accent);
    color: var(--dcf-text-primary);
}

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

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .dcf-card-link {
        flex-direction: column;
    }
    
    .dcf-card-image {
        width: 100%;
        min-height: 200px;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .dcf-container {
        padding: 10px;
    }
    
    .dcf-filters-bar {
        padding: 12px;
        position: relative;
        top: 0;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* Firefox */
        -ms-overflow-style: none; /* IE/Edge */
    }
    
    /* Ukryj scrollbar w Chrome/Safari */
    .dcf-filters-bar::-webkit-scrollbar {
        display: none;
    }
    
    .dcf-filters-wrapper {
        display: flex;
        flex-wrap: nowrap;
        gap: 8px;
        padding-bottom: 5px;
        min-width: max-content;
    }
    
    .dcf-filter-item {
        flex-shrink: 0;
    }
    
    .dcf-filter-label {
        padding: 6px 10px;
        font-size: 12px;
        white-space: nowrap;
    }
    
    .dcf-filter-icon {
        width: 16px;
        height: 16px;
    }
    
    .dcf-filter-text {
        font-size: 12px;
    }
    
    /* Wskaźnik przewijania */
    .dcf-filters-bar::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 40px;
        height: 100%;
        background: linear-gradient(to right, transparent, var(--dcf-bg-secondary));
        pointer-events: none;
        opacity: 0;
        transition: opacity 0.3s;
    }
    
    .dcf-filters-bar.has-scroll::after {
        opacity: 1;
    }
    
    .dcf-card-link {
        flex-direction: column;
    }
    
    .dcf-card-image {
        width: 100%;
        min-height: 180px;
    }
    
    .dcf-card-content {
        padding: 20px;
    }
    
    .dcf-card-title {
        font-size: 18px;
    }
    
    .dcf-card-excerpt {
        font-size: 14px;
    }
}

/* Animacja ładowania */
.dcf-loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Płynne przejścia */
.dcf-fade-out {
    animation: dcf-fadeOut 0.3s ease-out;
}

@keyframes dcf-fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}