* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #64748b;
    --success: #16a34a;
    --warning: #f59e0b;
    --danger: #dc2626;
    --text: #0f172a;
    --text-light: #64748b;
    --bg: #ffffff;
    --bg-secondary: #f8fafc;
    --border: #e2e8f0;
    --shadow: rgba(15, 23, 42, 0.08);
    --primary-color: var(--primary);
    --secondary-color: #6366f1;
    --success-color: var(--success);
    --danger-color: var(--danger);
    --card-bg: var(--bg);
    --bg-light: var(--bg-secondary);
    --border-color: var(--border);
    --text-color: var(--text);
    --text-muted: var(--text-light);
}

body.dark-mode {
    --primary: #0a84ff;
    --primary-dark: #0070e0;
    --secondary: #8e8e93;
    --success: #30d158;
    --warning: #ff9f0a;
    --danger: #ff453a;
    --text: #ffffff;
    --text-light: #98989d;
    --bg: #000000;
    --bg-secondary: #1c1c1e;
    --border: #38383a;
    --shadow: rgba(0, 0, 0, 0.7);
    --primary-color: var(--primary);
    --secondary-color: #6366f1;
    --success-color: var(--success);
    --danger-color: var(--danger);
    --card-bg: #1e293b;
    --bg-light: #0f172a;
    --border-color: #334155;
    --text-color: #e2e8f0;
    --text-muted: #94a3b8;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding: 0;
    transition: background 0.3s, color 0.3s;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    background: var(--bg);
    padding: 24px 0;
    margin-bottom: 32px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.025em;
}

header h1 i {
    margin-right: 8px;
    color: var(--text);
}

.subtitle {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 400;
    margin-top: 4px;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.language-toggle {
    display: flex;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.lang-btn {
    background: transparent;
    border: none;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.lang-btn:hover {
    background: var(--bg);
    color: var(--text);
}

.lang-btn.active {
    background: var(--primary);
    color: white;
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1.1em;
    color: var(--text);
}

.theme-toggle:hover {
    background: var(--bg);
    border-color: var(--primary);
}

.search-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 32px;
}

.search-box {
    display: flex;
    gap: 12px;
}

#homeContent.home-content {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.05);
}

.home-hero {
    display: flex;
    gap: 32px;
    align-items: stretch;
    flex-wrap: wrap;
}

.home-hero-text {
    flex: 1 1 420px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.home-hero-text h2 {
    font-size: clamp(1.6rem, 2.6vw, 2rem);
    font-weight: 600;
    color: var(--text);
}

.home-hero-text p {
    color: var(--text-light);
    max-width: 580px;
}

.home-quick-search {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-search-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.quick-search-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.quick-search-tag {
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text);
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.quick-search-tag:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}

.home-hero-actions {
    flex: 1 1 320px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.hero-feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero-feature-card i {
    font-size: 1.25rem;
    color: var(--primary);
}

.hero-feature-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

.hero-feature-card p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.hero-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.home-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.home-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: border 0.2s ease, transform 0.2s ease;
}

.home-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.home-card p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.home-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: var(--text);
    font-size: 0.88rem;
    padding-left: 0;
}

.home-card li::before {
    content: "•";
    color: var(--primary);
    margin-right: 8px;
}

.home-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.home-footer-note {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 20px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.home-footer-note i {
    color: var(--primary);
    font-size: 1.1rem;
}

.bug-report-container {
    position: fixed;
    bottom: 16px;
    left: 16px;
    display: flex;
    align-items: flex-end;
    gap: 12px;
    z-index: 120;
}

.bug-report-btn {
    border: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 999px;
    padding: 10px 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.bug-report-btn i {
    color: var(--danger-color);
}

.bug-report-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.18);
    border-color: var(--primary);
}

.bug-report-btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.bug-report-panel {
    display: none;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px 20px;
    width: clamp(260px, 28vw, 340px);
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.2);
    position: relative;
}

.bug-report-panel.is-open {
    display: block;
}

.bug-report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.bug-report-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.bug-report-header h3 i {
    color: var(--danger-color);
}

.bug-report-close {
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 1rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
}

.bug-report-close:hover,
.bug-report-close:focus-visible {
    color: var(--danger-color);
    background: rgba(220, 38, 38, 0.08);
}

.bug-report-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 18px;
}

.bug-report-body label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-light);
}

.bug-report-body input,
.bug-report-body textarea {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 0.85rem;
    background: var(--bg-secondary);
    color: var(--text);
    font-family: inherit;
    transition: border 0.2s ease, box-shadow 0.2s ease;
}

.bug-report-body input:focus,
.bug-report-body textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.bug-report-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn-primary,
.btn-secondary {
    border: none;
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 26px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    color: var(--text);
    border-color: var(--primary);
}

.hidden-field {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.home-content.is-hidden {
    display: none;
}

#searchInput {
    flex: 1;
    padding: 12px 16px;
    font-size: 15px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    transition: all 0.2s;
    font-family: inherit;
}

#searchInput:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

#searchInput::placeholder {
    color: var(--text-light);
}

#searchBtn {
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

#searchBtn:hover {
    background: var(--primary-dark);
}

#searchBtn:active {
    transform: scale(0.98);
}

.loading-spinner {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-light);
}

.spinner {
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#resultsContainer {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 380px));
    gap: 20px;
    margin-bottom: 48px;
    justify-content: center;
}

.results-notice {
    grid-column: 1 / -1;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px 20px;
    color: var(--text-light);
    line-height: 1.5;
}

.part-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.2s;
    position: relative;
}

.part-card:hover {
    box-shadow: 0 4px 12px var(--shadow);
    border-color: var(--primary);
}

.part-card.cheapest {
    border: 2px solid var(--success);
    background: var(--bg-secondary);
}

.best-price-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--success);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.part-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.part-vendor {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    background: var(--primary);
    color: white;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    width: fit-content;
}

.part-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.4;
    min-height: 44px;
}

.price-section {
    margin: 8px 0;
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

.original-price {
    text-decoration: line-through;
    color: var(--text-light);
    margin-left: 8px;
    font-size: 0.85rem;
    font-weight: 400;
}

.discount-badge {
    display: inline-block;
    background: var(--danger);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 8px;
}

.stock-status {
    padding: 8px 12px;
    border-radius: 4px;
    text-align: center;
    font-weight: 500;
    font-size: 0.85rem;
}

.in-stock {
    background: rgba(22, 163, 74, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.out-of-stock {
    background: rgba(220, 38, 38, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.limited-stock {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.view-product-btn {
    display: block;
    width: 100%;
    padding: 10px;
    background: var(--primary);
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.view-product-btn:hover {
    background: var(--primary-dark);
}

.view-product-btn.secondary {
    margin-top: 8px;
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.view-product-btn.secondary:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

#forumSection {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    margin-top: 32px;
    margin-bottom: 80px;
}

#forumSection h2 {
    color: var(--text);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 1.25rem;
}

.forum-item {
    background: var(--bg);
    padding: 16px;
    margin-bottom: 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.forum-item:hover {
    border-color: var(--primary);
}

.forum-title {
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
    font-size: 0.95rem;
}

.forum-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.85rem;
    word-break: break-all;
}

.forum-link:hover {
    text-decoration: underline;
}

.forum-meta {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 6px;
}

/* Source header styles */
.source-header {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.source-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.source-info i {
    color: var(--primary);
    font-size: 18px;
}

.source-badge {
    background: var(--primary);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.results-count {
    color: var(--text-light);
    font-size: 14px;
}

.results-count-inline {
    display: inline-block;
    margin-left: 12px;
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 600;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.2), transparent),
                radial-gradient(circle at 80% 30%, rgba(99, 102, 241, 0.18), transparent),
                var(--bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 100000;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loading-overlay.loading-overlay-hide {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-track {
    position: relative;
    width: clamp(220px, 45vw, 360px);
    height: clamp(220px, 45vw, 360px);
}

.loader-robot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: clamp(160px, 32vw, 260px);
    max-width: 100%;
    transform: translate(-50%, -50%);
    border-radius: 16px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.25);
    animation: swerveLap 4s cubic-bezier(0.66, 0, 0.34, 1) forwards;
    transform-origin: center;
    background: linear-gradient(135deg, #1e293b, #0f172a);
}

.loader-robot--fallback {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border: 2px dashed rgba(148, 163, 184, 0.35);
    padding: 60px;
    width: clamp(160px, 32vw, 260px);
    height: clamp(160px, 32vw, 260px);
    object-fit: cover;
}

.loading-caption {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.04em;
}

.is-loading .container,
.is-loading .toolbar,
.is-loading #forumSection,
.is-loading .footer {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

body:not(.is-loading) .container,
body:not(.is-loading) .toolbar,
body:not(.is-loading) #forumSection,
body:not(.is-loading) .footer {
    opacity: 1;
    pointer-events: auto;
    transition: opacity 0.4s ease;
}

.footer {
    position: fixed;
    bottom: 0;
    right: 0;
    padding: 10px 24px 10px 56px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
    border-top-left-radius: 8px;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: visible;
}

.footer p {
    margin: 0;
    font-size: 0.7rem;
    color: var(--text-light);
    font-weight: 400;
}

.footer-easter-egg {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
    font-size: 0.95rem;
    position: absolute;
    top: calc(50% - 16px);
    left: -40px;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.1);
}

.footer-easter-egg:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
    transform: translateY(-1px) scale(1.05);
}

.footer-easter-egg:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.footer-easter-egg.is-active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary-dark);
}

.footer-easter-egg.is-active i {
    animation: deli-spin 0.45s linear infinite;
}

.footer-easter-egg i {
    pointer-events: none;
}

@keyframes deli-spin {
    from {
        transform: rotate(0deg) scale(1);
    }
    to {
        transform: rotate(360deg) scale(1);
    }
}

@keyframes swerveLap {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    20% {
        transform: translate(-140%, -140%) rotate(-20deg);
    }
    45% {
        transform: translate(40%, -150%) rotate(18deg);
    }
    70% {
        transform: translate(-140%, 60%) rotate(-15deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
}

@media (max-width: 1024px) {
    #homeContent.home-content {
        padding: 28px;
    }

    .home-hero {
        flex-direction: column;
    }

    .home-hero-actions {
        width: 100%;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .search-box {
        flex-direction: column;
    }

    #resultsContainer {
        grid-template-columns: 1fr;
    }

    #homeContent.home-content {
        padding: 22px 18px;
        gap: 24px;
    }

    .home-hero-actions {
        grid-template-columns: 1fr;
    }

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

    .home-footer-note {
        flex-direction: column;
        align-items: flex-start;
    }

    .bug-report-container {
        left: 12px;
        right: 12px;
        bottom: 84px;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .bug-report-panel {
        width: 100%;
    }

    .footer {
        position: static;
        text-align: center;
        border-radius: 0;
        border: none;
        border-top: 1px solid var(--border);
        margin-top: 32px;
        justify-content: center;
        padding: 14px 16px;
    }

    .footer-easter-egg {
        position: static;
        margin-right: 8px;
        box-shadow: none;
    }
}