/* ========================================
   Descubre Feed - Modern Premium Styles 🎨
   ======================================== */

:root {
    --primary-gradient: linear-gradient(135deg, #0f172a 0%, #334155 100%);
    --accent-color: #3b82f6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --card-bg: #ffffff;
    --bg-color: #f1f5f9;
    --text-main: #1e293b;
    --text-secondary: #64748b;
}

/* --- Layout --- */
.discover-page {
    min-height: 100vh;
    background-color: var(--bg-color);
    background-image:
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(16, 185, 129, 0.1) 0px, transparent 50%);
    padding-bottom: 60px;
    font-family: 'Inter', system-ui, sans-serif;
}

/* --- Header Section --- */
.discover-header {
    text-align: center;
    padding: 60px 20px 40px;
    max-width: 800px;
    margin: 0 auto;
}

.discover-header__title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin: 0 0 16px;
    letter-spacing: -0.03em;
    line-height: 1.1;
    background: linear-gradient(to right, #0f172a, #64748b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.discover-header__subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0 0 24px;
    font-weight: 500;
}

.discover-header__date {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    color: var(--text-secondary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.discover-header__date i {
    color: var(--accent-color);
}

/* --- Filter Chips --- */
.discover-filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 0 20px 40px;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.filter-chip {
    background: white;
    border: 1px solid #e2e8f0;
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.filter-chip:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: #cbd5e1;
    color: var(--text-main);
}

.filter-chip.active {
    background: var(--text-main);
    color: white;
    border-color: var(--text-main);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}

/* --- Stats Row --- */
.stat-cards-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    padding: 0 20px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.stat-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 20px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow:
        0 4px 6px -1px rgba(0, 0, 0, 0.02),
        0 2px 4px -1px rgba(0, 0, 0, 0.02),
        inset 0 0 0 1px rgba(255, 255, 255, 1);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.stat-card__icon {
    width: 56px;
    height: 56px;
    background: white;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.stat-card .fa-gas-pump {
    color: var(--success-color);
}

.stat-card .fa-truck-droplet {
    color: var(--accent-color);
}

.stat-card .fa-arrow-trend-up {
    color: var(--danger-color);
}

.stat-card .fa-arrow-trend-down {
    color: var(--success-color);
}

.stat-card__value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1;
    letter-spacing: -0.02em;
}

.stat-card__label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
}

/* --- Main Grid --- */
.discover-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    padding: 0 20px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

/* --- Trend Card --- */
.trend-card {
    background: var(--card-bg);
    border-radius: 24px;
    overflow: hidden;
    box-shadow:
        0 10px 15px -3px rgba(0, 0, 0, 0.03),
        0 4px 6px -2px rgba(0, 0, 0, 0.02),
        0 0 0 1px rgba(0, 0, 0, 0.03);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.trend-card:hover {
    transform: translateY(-8px);
    box-shadow:
        0 20px 25px -5px rgba(0, 0, 0, 0.08),
        0 10px 10px -5px rgba(0, 0, 0, 0.03);
}

/* Highlight Card Special Style (dynamic by state) */
.trend-card--highlight {
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.trend-card--highlight.is-success {
    box-shadow: 0 20px 40px -10px rgba(16, 185, 129, 0.18);
    border-color: rgba(16, 185, 129, 0.18);
}

.trend-card--highlight.is-danger {
    box-shadow: 0 20px 40px -10px rgba(239, 68, 68, 0.18);
    border-color: rgba(239, 68, 68, 0.18);
}

.trend-card--highlight.is-neutral {
    box-shadow: 0 20px 40px -10px rgba(59, 130, 246, 0.18);
    border-color: rgba(59, 130, 246, 0.18);
}

.trend-card__image {
    position: relative;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Badge Style */
.trend-card__badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #fff;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 2;
}

/* Content Area */
.trend-card__content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.trend-card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.trend-card__tag {
    background: #f1f5f9;
    color: #475569;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.trend-card__title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
    margin: 0 0 12px;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.trend-card__desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0 0 20px;
    line-height: 1.6;
}

/* Lists inside cards */
.trend-card__list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}

.trend-card__list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
}

.trend-card__list li:last-child {
    border-bottom: none;
}

.list-rank {
    width: 28px;
    height: 28px;
    background: #f1f5f9;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--text-secondary);
}

.list-station {
    flex: 1;
    font-weight: 600;
    color: var(--text-main);
}

.list-price {
    font-weight: 800;
    color: var(--text-main);
    background: #f1f5f9;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.9rem;
}

/* CTA Button */
.trend-card__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--text-main);
    color: #fff;
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    margin-top: auto;
}

.trend-card__cta:hover {
    background: #334155;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .discover-header__title {
        font-size: 2rem;
    }

    .discover-grid {
        grid-template-columns: 1fr;
        padding: 0 16px 40px;
    }

    .stat-cards-row {
        grid-template-columns: 1fr 1fr;
        padding: 0 16px 30px;
    }

    .stat-card__value {
        font-size: 1.5rem;
    }

    .stat-card {
        padding: 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .stat-card__icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

@media (max-width: 420px) {
    .stat-cards-row {
        grid-template-columns: 1fr;
    }
}

/* Accessibility & UX */
.filter-chip:focus-visible,
.trend-card__cta:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.45);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
    }

    .trend-card,
    .filter-chip,
    .stat-card,
    .trend-card__cta {
        transition: none !important;
    }

    .trend-card:hover,
    .filter-chip:hover,
    .stat-card:hover,
    .trend-card__cta:hover {
        transform: none !important;
    }
}