/**
 * Roboshop Pro - UI Components
 * Buttons, Mobile Sticky Bar, AJAX Cart Drawer, Live Search, Trust & Footer
 */

/* ==========================================================================
   Buttons & Interactive Elements
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.875rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
    min-height: 44px; /* Touch target requirement */
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    border: 1px solid var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.32);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
}

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

/* High-Converting Buy Now Button */
.btn-buy-now {
    background-color: var(--color-accent);
    color: #ffffff;
    border: 1px solid var(--color-accent);
    font-weight: 700;
}

.btn-buy-now:hover {
    background-color: var(--color-accent-hover);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.3);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8125rem;
    min-height: 38px;
}

.btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
    min-height: 48px;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ==========================================================================
   Sticky Mobile Bottom Navigation Bar (Section 6)
   ========================================================================== */
.mobile-sticky-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(var(--bottom-bar-height) + var(--safe-bottom));
    padding-bottom: var(--safe-bottom);
    background: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 900;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

@media (min-width: 1024px) {
    .mobile-sticky-bottom-bar {
        display: none;
    }
}

.mobile-bar-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: var(--text-muted);
    font-size: 0.6875rem;
    font-weight: 600;
    height: 100%;
    flex: 1;
    cursor: pointer;
    transition: color 0.15s ease;
}

.mobile-bar-btn.active, .mobile-bar-btn:hover {
    color: var(--color-primary);
}

.mobile-cart-icon-wrapper {
    position: relative;
    display: flex;
}

.mobile-cart-icon-wrapper .cart-count-badge {
    top: -7px;
    right: -9px;
}

/* ==========================================================================
   Slide-Out AJAX Cart Drawer (Section 20)
   ========================================================================== */
.cart-drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(2px);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
}

.cart-drawer-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.cart-slide-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 420px;
    background: var(--bg-surface);
    color: var(--text-primary);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.2);
    z-index: 999;
    transform: translateX(100%);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s ease;
    display: flex;
    flex-direction: column;
}

.cart-slide-drawer.active {
    transform: translateX(0);
}

.cart-drawer-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--color-primary);
    color: #ffffff;
}

.cart-drawer-title-group {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.cart-drawer-title-group h3 {
    font-size: 1.05rem;
    color: #ffffff;
    margin: 0;
}

.cart-drawer-close-btn {
    color: #ffffff;
    cursor: pointer;
    padding: 0.35rem;
    border-radius: var(--radius-sm);
}

.cart-drawer-dynamic-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.cart-drawer-shipping-notice {
    background: var(--color-accent-subtle);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0.65rem 1.25rem;
    font-size: 0.78125rem;
    color: var(--color-accent);
    font-weight: 600;
}

.cart-drawer-items-list {
    list-style: none;
    padding: 1rem 1.25rem;
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.drawer-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border-subtle);
}

.drawer-item-thumb {
    width: 56px;
    height: 56px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.drawer-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.drawer-item-info {
    flex: 1;
    min-width: 0;
}

.drawer-item-title {
    font-size: 0.84375rem;
    font-weight: 600;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.35;
    margin-bottom: 0.25rem;
}

.drawer-item-title:hover {
    color: var(--color-primary);
}

.drawer-item-pricing {
    font-size: 0.8125rem;
}

.drawer-item-pricing .qty {
    color: var(--text-muted);
}

.drawer-item-pricing .price {
    font-weight: 700;
    color: var(--color-primary);
}

.drawer-item-remove {
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.35rem;
}

.drawer-item-remove:hover {
    color: var(--color-sale);
}

.cart-drawer-summary {
    background: var(--bg-surface-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: 1.25rem;
}

.summary-line.subtotal {
    display: flex;
    justify-content: space-between;
    font-size: 1.05rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.summary-line.subtotal strong {
    color: var(--color-primary);
    font-size: 1.15rem;
}

.drawer-btn-actions {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

/* Empty State */
.cart-drawer-empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1.5rem;
    text-align: center;
}

.empty-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--bg-surface-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.cart-drawer-empty-state h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.cart-drawer-empty-state p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

/* ==========================================================================
   Live Search Autocomplete Dropdown (Section 15)
   ========================================================================== */
.live-search-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 420px;
    overflow-y: auto;
    z-index: 600;
    display: none;
    transition: background-color 0.2s ease;
}

.live-search-dropdown.active {
    display: block;
}

.search-results-list {
    list-style: none;
}

.search-result-item {
    border-bottom: 1px solid var(--border-subtle);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-item-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    transition: background 0.1s ease;
}

.search-item-link:hover, .search-item-link:focus {
    background-color: var(--bg-surface-secondary);
}

.search-item-thumb {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.search-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.search-item-info {
    flex: 1;
    min-width: 0;
}

.search-item-title {
    font-size: 0.84375rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.search-item-meta {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.78125rem;
}

.search-item-price {
    font-weight: 700;
    color: var(--color-primary);
}

.search-item-stock {
    font-size: 0.6875rem;
}

.search-item-stock.in { color: var(--color-in-stock); }
.search-item-stock.out { color: var(--color-sale); }

.search-view-all-row {
    padding: 0.75rem;
    text-align: center;
    background: var(--bg-surface-secondary);
    border-top: 1px solid var(--border-subtle);
}

.search-view-all-row a {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* ==========================================================================
   Mobile Nav Drawer
   ========================================================================== */
.mobile-nav-drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    visibility: hidden;
    pointer-events: none;
    transition: visibility 0.25s ease;
}

.mobile-nav-drawer-overlay.active {
    visibility: visible;
    pointer-events: auto;
}

.mobile-drawer-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.mobile-nav-drawer-overlay.active .mobile-drawer-backdrop {
    opacity: 1;
}

.mobile-drawer-sheet {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 85%;
    max-width: 320px;
    background: var(--bg-surface);
    color: var(--text-primary);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s ease;
    display: flex;
    flex-direction: column;
}

.mobile-nav-drawer-overlay.active .mobile-drawer-sheet {
    transform: translateX(0);
}

.mobile-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--color-primary);
    color: #ffffff;
}

.mobile-drawer-header .drawer-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
}

.mobile-drawer-header .drawer-close-btn {
    color: #ffffff;
    cursor: pointer;
}

.mobile-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
}

.drawer-section-heading {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 0.65rem;
}

/* Accordion categories */
.mobile-accordion-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.accordion-item {
    border-bottom: 1px solid var(--border-subtle);
}

.accordion-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.accordion-cat-link {
    flex: 1;
    padding: 0.65rem 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cat-count-pill {
    font-size: 0.6875rem;
    color: var(--text-muted);
    background: var(--bg-surface-secondary);
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-sm);
}

.accordion-toggle-arrow {
    padding: 0.65rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.accordion-item.open .accordion-toggle-arrow {
    transform: rotate(180deg);
}

.accordion-sub-list {
    list-style: none;
    padding-left: 0.85rem;
    padding-bottom: 0.65rem;
    display: none;
}

.accordion-item.open .accordion-sub-list {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.accordion-sub-list a {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
}

.drawer-quick-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-bottom: 1.5rem;
}

.drawer-quick-links a {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.drawer-contact-card {
    background: var(--bg-surface-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.8125rem;
}

.support-title {
    font-weight: 700;
    color: var(--color-primary);
}

.support-phone {
    font-weight: 700;
    color: var(--color-primary);
}

/* ==========================================================================
   Store Trust Section
   ========================================================================== */
.store-trust-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    padding: 2.25rem 0;
    transition: background-color 0.2s ease;
}

.trust-container-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

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

@media (min-width: 1024px) {
    .trust-container-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.75rem;
    }
}

.trust-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.trust-icon-wrap {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background: var(--color-primary-subtle);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.trust-feature-item:nth-child(even) .trust-icon-wrap {
    background: var(--color-accent-subtle);
    color: var(--color-accent);
}

.trust-text-group h4 {
    font-size: 0.9375rem;
    margin-bottom: 0.2rem;
    color: var(--color-primary);
}

.trust-text-group p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ==========================================================================
   Multi-Column Footer
   ========================================================================== */
.store-footer {
    background: #0f172a;
    color: #cbd5e1;
    padding-top: 3.5rem;
}

.footer-columns-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-bottom: 3rem;
}

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

@media (min-width: 1024px) {
    .footer-columns-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
        gap: 2.5rem;
    }
}

.footer-brand-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: #ffffff;
    margin-bottom: 0.85rem;
}

.footer-store-description {
    font-size: 0.84375rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    color: #94a3b8;
}

.footer-contact-summary {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.8125rem;
}

.contact-lbl {
    color: #94a3b8;
    margin-right: 4px;
}

.contact-link {
    color: #ffffff;
    font-weight: 600;
}

.contact-link:hover {
    color: var(--color-primary);
}

.footer-col-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.15rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: var(--color-primary);
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    font-size: 0.8125rem;
}

.footer-links-list a {
    color: #94a3b8;
}

.footer-links-list a:hover {
    color: #ffffff;
    padding-left: 4px;
}

.footer-payment-text {
    font-size: 0.8125rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    color: #94a3b8;
}

.payment-badges-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.pay-badge {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0.25rem 0.55rem;
    border-radius: var(--radius-sm);
    color: #f8fafc;
}

.footer-timing-badge {
    font-size: 0.75rem;
    color: #94a3b8;
}

.footer-copyright-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1.25rem 0;
    font-size: 0.78125rem;
    color: #64748b;
}

.copyright-inner-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}