/* ============================================================
   AI Navigator Theme - Responsive Styles
   ============================================================ */

/* ---- Tablet & Small Desktop (max 1024px) ---- */
@media (max-width: 1024px) {
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tool-detail-layout,
    .archive-tools-layout,
    .content-layout,
    .page-layout {
        grid-template-columns: 1fr;
    }

    .footer-widgets {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title { font-size: 34px; }

    .archive-tools-sidebar {
        order: 2;
    }
}

/* ---- Mobile (max 768px) ---- */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }

    .top-bar { display: none; }

    .hero-section { padding: 48px 0 36px; }
    .hero-title { font-size: 28px; }
    .hero-subtitle { font-size: 15px; margin-bottom: 24px; }

    .hero-search-inner { flex-direction: column; }
    .hero-search-engine {
        width: 100%;
        border-bottom: 1px solid var(--color-border);
    }
    .engine-dropdown {
        left: 50%;
        transform: translateX(-50%) translateY(4px);
    }
    .hero-search-engine:hover .engine-dropdown {
        transform: translateX(-50%) translateY(0);
    }
    .hero-search-input {
        width: 100%;
        padding: 12px 16px;
    }
    .hero-search-btn {
        width: 100%;
        justify-content: center;
        padding: 12px;
    }

    .main-navigation {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: #fff;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        padding: 16px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--transition-slow);
        z-index: 999;
    }
    .main-navigation.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .primary-menu {
        flex-direction: column;
        gap: 0;
    }
    .primary-menu > li > a {
        padding: 12px 16px;
        border-radius: 0;
        border-bottom: 1px solid var(--color-border-light);
    }
    .primary-menu .sub-menu {
        position: static;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        padding-left: 16px;
        display: none;
    }
    .primary-menu .sub-menu.open { display: block; }

    .menu-toggle { display: flex; }

    .header-actions .search-toggle { display: none; }

    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .tool-card { padding: 0; }
    .tool-card-link { padding: 12px; }
    .tool-card-title { font-size: 14px; }
    .tool-card-icon {
        width: 36px;
        height: 36px;
    }

    .section-title { font-size: 20px; }

    .tabs-nav { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .tab-btn {
        white-space: nowrap;
        padding: 8px 14px;
        font-size: 14px;
    }

    .sub-tabs-nav { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 8px; }
    .sub-tab-btn { white-space: nowrap; }

    .category-section { padding: 28px 0; }

    .tool-detail-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .tool-detail-meta { justify-content: center; }
    .tool-detail-stats { justify-content: center; }
    .tool-detail-actions { justify-content: center; }
    .tool-detail-icon { width: 64px; height: 64px; }
    .tool-quick-bar { flex-direction: column; text-align: center; }
    .quick-bar-hint { margin-left: 0; }

    .tool-detail-title { font-size: 22px; }

    .breadcrumb { justify-content: center; }

    .single-post-article { padding: 20px; }

    .entry-header .entry-title { font-size: 22px; }

    .search-overlay { padding-top: 80px; }
    .search-overlay-inner { padding: 0 16px; }

    .error-404-title { font-size: 48px; }
    .error-404-actions { flex-direction: column; align-items: center; }

    .footer-widgets {
        grid-template-columns: 1fr;
        padding: 32px 0;
    }

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }

    .category-drawer { width: 280px; left: -280px; }
}

/* ---- Small Mobile (max 480px) ---- */
@media (max-width: 480px) {
    .container { padding: 0 12px; }

    .hero-title { font-size: 24px; }
    .hero-subtitle { font-size: 14px; }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .carousel-content { flex-direction: column; text-align: center; }
    .carousel-icon { margin: 0 auto; }

    .section-header { flex-direction: column; align-items: flex-start; gap: 6px; }
    .view-more-link { margin-left: 0; }

    .archive-hero-title { font-size: 24px; }
}

/* ---- Print Styles ---- */
@media print {
    .site-header,
    .top-bar,
    .search-overlay,
    .category-drawer,
    .category-drawer-overlay,
    .back-to-top,
    .footer-bottom,
    .tool-detail-actions,
    .btn { display: none; }

    body { background: #fff; color: #000; }
    .tool-card { break-inside: avoid; border: 1px solid #ddd; }
}