/* =================================
   GASOLINA — Comparador de Combustible
   Delone Tech Design System
   ================================= */

/* --- Hero --- */
.gas-hero {
    padding: calc(var(--nav-height) + 3rem) 1.5rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

.gas-hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.gas-hero-content {
    text-align: center;
    margin-bottom: 2rem;
}

.gas-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.gas-hero-title i {
    color: var(--accent);
    margin-right: 0.5rem;
}

.gas-accent {
    color: var(--accent);
}

.gas-hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-tertiary);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.6;
}

/* --- Stats --- */
.gas-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    max-width: 600px;
    margin: 0 auto;
}

.gas-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1rem;
    text-align: center;
}

.gas-stat-value {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
}

.gas-stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 0.25rem;
}

@media (min-width: 640px) {
    .gas-stats {
        grid-template-columns: repeat(4, 1fr);
        max-width: 800px;
    }
}

/* --- Filters --- */
.gas-filters-section {
    padding: 1.25rem 1.5rem;
    background: var(--bg-secondary);
    position: sticky;
    top: var(--nav-height);
    z-index: 90;
    border-bottom: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.gas-filters-section.gas-filters-hidden {
    transform: translateY(calc(-100% - var(--nav-height)));
}

.gas-filters-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* -- Search row -- */
.gas-search-row {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

.gas-search-field {
    position: relative;
    flex: 1;
    min-width: 0;
}

.gas-search-icon {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 0.85rem;
    pointer-events: none;
}

.gas-search-input {
    width: 100%;
    padding: 0.7rem 2.5rem 0.7rem 2.5rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 0.5rem;
    color: var(--input-text);
    font-size: 0.9rem;
    font-family: var(--font-body);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.gas-search-input::placeholder {
    color: var(--input-placeholder);
}

.gas-search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(212, 118, 44, 0.15);
}

.gas-clear-btn {
    position: absolute;
    right: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.8rem;
    transition: color var(--transition);
}

.gas-clear-btn:hover {
    color: var(--text-primary);
}

/* -- Draw button -- */
.gas-draw-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.7rem 1rem;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.85rem;
    font-family: var(--font-body);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
    white-space: nowrap;
}

.gas-draw-btn i {
    font-size: 0.8rem;
    color: var(--accent);
    transition: color var(--transition);
}

.gas-draw-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.gas-draw-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.gas-draw-btn.active i {
    color: #fff;
}

/* -- Filter controls row -- */
.gas-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
}

.gas-filter-group {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.gas-filter-label {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
    white-space: nowrap;
}

.gas-select {
    padding: 0.45rem 1.8rem 0.45rem 0.65rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 0.4rem;
    color: var(--input-text);
    font-size: 0.8rem;
    font-family: var(--font-body);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%239a9a90' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    transition: border-color var(--transition);
}

.gas-select:focus {
    outline: none;
    border-color: var(--input-focus-border);
}

.gas-filter-sep {
    width: 1px;
    height: 1.25rem;
    background: var(--border-color);
    margin: 0 0.15rem;
}

.gas-results-count {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    margin-left: auto;
}

/* --- Results section --- */
.gas-results-section {
    padding: 1.5rem;
    min-height: 50vh;
}

.gas-results-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

/* --- Map Modal --- */
.gas-map-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: gas-modal-fade-in 0.25s ease;
}

@keyframes gas-modal-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.gas-map-modal-inner {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.gas-map-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.gas-map-modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.gas-map-modal-header h3 i {
    color: var(--accent);
}

.gas-map-modal-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: color var(--transition), background var(--transition);
}

.gas-map-modal-close:hover {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.gas-map-modal-hint {
    padding: 0.6rem 1.25rem;
    font-size: 0.8rem;
    color: var(--accent);
    background: rgba(212, 118, 44, 0.08);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: gas-hint-pulse 2s ease-in-out infinite;
}

.gas-map-modal-body {
    flex: 1;
    min-height: 0;
}

#gasMap {
    height: 55vh;
    width: 100%;
    background: var(--bg-elevated);
    touch-action: none;
}

@media (max-width: 639px) {
    .gas-map-modal {
        padding: 0.5rem;
    }

    .gas-map-modal-inner {
        max-height: 95vh;
        border-radius: 0.75rem;
    }

    #gasMap {
        height: 50vh;
    }
}

@media (min-height: 800px) {
    #gasMap {
        height: 60vh;
    }
}

.gas-map-modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--border-color);
    gap: 0.75rem;
}

.gas-map-modal-count {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.gas-map-modal-actions {
    display: flex;
    gap: 0.5rem;
}

.gas-map-modal-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.55rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}

.gas-map-modal-btn-clear {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.gas-map-modal-btn-clear:hover {
    border-color: var(--text-tertiary);
    background: var(--btn-secondary-hover-bg);
}

.gas-map-modal-btn-accept {
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
}

.gas-map-modal-btn-accept:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

/* --- Map popups --- */
.gas-map-popup-name {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.gas-map-popup-address {
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 0.35rem;
}

.gas-map-popup-price {
    font-size: 1rem;
    font-weight: 700;
    color: #d4762c;
}

.gas-map-popup-dist {
    font-size: 0.75rem;
    color: #888;
    margin-top: 0.2rem;
}


/* --- Loading --- */
.gas-loading {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-tertiary);
}

.gas-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: gas-spin 0.8s linear infinite;
    margin: 0 auto 1.25rem;
}

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

.gas-loading p {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.gas-loading-sub {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* --- Error / Empty / No results --- */
.gas-error,
.gas-empty,
.gas-no-results {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-tertiary);
}

.gas-error i,
.gas-empty i,
.gas-no-results i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
    opacity: 0.5;
}

.gas-error h3,
.gas-empty h3,
.gas-no-results h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.gas-error p,
.gas-empty p,
.gas-no-results p {
    font-size: 0.9rem;
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.5;
}

.gas-error i {
    color: var(--color-error);
    opacity: 1;
}

.gas-retry-btn {
    margin-top: 1rem;
    padding: 0.6rem 1.5rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-family: var(--font-body);
    cursor: pointer;
    transition: background var(--transition);
}

.gas-retry-btn:hover {
    background: var(--accent-hover);
}

/* --- Station grid --- */
.gas-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

@media (min-width: 640px) {
    .gas-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .gas-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* --- Station card --- */
.gas-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    position: relative;
}

.gas-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.gas-card.gas-card-best {
    border-color: var(--color-success);
    box-shadow: 0 0 0 1px var(--color-success);
}

.gas-card-best .gas-card-badge {
    display: inline-flex;
}

.gas-card-badge {
    display: none;
    align-items: center;
    gap: 0.3rem;
    position: absolute;
    top: -0.6rem;
    right: 1rem;
    background: var(--color-success);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.25rem 0.6rem;
    border-radius: 1rem;
}

.gas-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.gas-card-name {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.gas-card-maps {
    flex-shrink: 0;
    color: var(--text-tertiary);
    font-size: 0.85rem;
    transition: color var(--transition);
    text-decoration: none;
}

.gas-card-maps:hover {
    color: var(--accent);
}

.gas-card-address {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.gas-card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.75rem;
    margin-bottom: 0.75rem;
}

.gas-card-location {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.gas-card-location i {
    font-size: 0.65rem;
}

.gas-card-dist {
    font-size: 0.7rem;
    color: var(--accent);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.gas-card-dist i {
    font-size: 0.6rem;
}

.gas-card-prices {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.gas-price-tag {
    display: flex;
    flex-direction: column;
    background: var(--bg-elevated);
    border-radius: 0.5rem;
    padding: 0.4rem 0.6rem;
    min-width: 0;
    flex: 1;
}

.gas-price-tag-label {
    font-size: 0.6rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.gas-price-tag-value {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.gas-price-tag.gas-price-highlight {
    background: var(--accent);
    border-color: var(--accent);
}

.gas-price-tag.gas-price-highlight .gas-price-tag-label {
    color: rgba(255,255,255,0.8);
}

.gas-price-tag.gas-price-highlight .gas-price-tag-value {
    color: #fff;
}

.gas-price-na {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    opacity: 0.6;
}

.gas-card-schedule {
    margin-top: 0.6rem;
    font-size: 0.7rem;
    color: var(--text-tertiary);
    opacity: 0.7;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* --- Load more --- */
.gas-load-more {
    text-align: center;
    padding: 2rem 0;
}

.gas-load-more-btn {
    padding: 0.7rem 2rem;
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border: 1px solid var(--btn-secondary-border);
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-family: var(--font-body);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}

.gas-load-more-btn:hover {
    background: var(--btn-secondary-hover-bg);
    border-color: var(--text-tertiary);
}

.gas-load-more-info {
    display: block;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
}

/* --- Responsive tweaks --- */
@media (max-width: 639px) {
    .gas-hero {
        padding-top: calc(var(--nav-height) + 2rem);
        padding-bottom: 1.5rem;
    }

    .gas-filters-section {
        padding: 1rem;
    }

    .gas-filter-row {
        flex-wrap: wrap;
    }

    .gas-filter-sep {
        display: none;
    }

    .gas-filter-group {
        flex: 1 1 auto;
        min-width: 0;
    }

    .gas-select {
        flex: 1;
        min-width: 0;
    }

    .gas-results-count {
        width: 100%;
        text-align: center;
        margin-left: 0;
    }

    .gas-results-section {
        padding: 1rem;
    }

    .gas-search-row {
        flex-direction: column;
    }

    .gas-search-field {
        max-width: none;
        width: 100%;
    }

    .gas-draw-btn {
        width: 100%;
        justify-content: center;
    }
}