/* ============================================================
   HatAI Search Service — Shared Styles
   Each page sets --accent-color via a tiny inline <style> block.
   ============================================================ */

:root {
    --primary-color: #FF5A5F;
    --accent-color: #00A699;
    /* overridden per page */
    --background-color: #F7F7F7;
    --card-bg: #FFFFFF;
    --text-color: #484848;
    --muted-text: #767676;
    --border-radius: 12px;
    --shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 40px 20px;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 32px;
}

/* ---------- Tab Navigation ---------- */

.nav-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 32px;
}

.nav-toggle-btn {
    float: left;
    background: var(--card-bg);
    border: 2px solid transparent;
    border-radius: 50px;
    padding: 14px 20px;
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}

.nav-toggle-btn:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.tab-nav {
    display: flex;
    justify-content: center;
    gap: 0;
    transition: max-height 0.4s ease, opacity 0.4s ease, margin 0.4s ease;
    overflow: hidden;
    flex-wrap: wrap;
    border-radius: 50px;
    /* Optional, looks better when wrapping */
}

.tab-nav.collapsed {
    max-height: 0;
    opacity: 0;
    margin-top: -16px;
    margin-bottom: 0px;
    pointer-events: none;
}

.tab-nav.expanded {
    margin-top: -32px;
    margin-bottom: 8px;
    max-height: 500px;
    opacity: 1;
    pointer-events: auto;
}

.tab-nav a {
    text-decoration: none;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    color: var(--muted-text);
    background: var(--card-bg);
    border: 2px solid #e0e0e0;
    transition: var(--transition);
    cursor: pointer;
}

.tab-nav a:first-child {
    border-radius: 50px 0 0 50px;
    border-right: 1px solid #e0e0e0;
}

.tab-nav a:nth-child(2) {
    border-right: 1px solid #e0e0e0;
}

.tab-nav a:last-child {
    border-radius: 0 50px 50px 0;
}

.tab-nav a:hover {
    color: var(--text-color);
    background: #f0f0f0;
}

.tab-nav a.active {
    color: #fff;
    background: var(--accent-color);
    border-color: var(--accent-color);
}

/* ---------- Search Input ---------- */

.search-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

input[type="text"] {
    flex-grow: 1;
    padding: 16px 24px;
    font-size: 1.2rem;
    border: 2px solid transparent;
    border-radius: 50px;
    background-color: var(--card-bg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    outline: none;
    font-family: inherit;
    min-width: 200px;
}

input[type="number"],
select {
    padding: 16px 24px;
    font-size: 1rem;
    border: 2px solid transparent;
    border-radius: 50px;
    background-color: var(--card-bg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    outline: none;
    font-family: inherit;
    cursor: pointer;
}

input[type="number"] {
    width: 100px;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
    border-color: var(--accent-color);
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* ---------- Claims Chips ---------- */

.claims-container {
    max-width: 916px;
    margin: 16px auto 0;
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 8px;
    justify-content: flex-start;
    padding: 8px;
    mask-image: linear-gradient(to right, transparent, black 20px, black 90%, transparent);
    scrollbar-width: none;
}

.claim-chip {
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: inherit;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    background: var(--card-bg);
    color: var(--muted-text);
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
    flex-shrink: 0;
}

.claim-chip:hover {
    border-color: var(--accent-color);
    color: var(--text-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--accent-color) 20%, transparent);
}

.claim-chip.selected {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--accent-color) 30%, transparent);
}

/* ---------- Results Grid ---------- */

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 30px;
}

/* ---------- Product Card ---------- */

.product-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: contain;
    background-color: #fff;
    padding-top: 20px;
    transition: var(--transition);
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-meta {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 6px;
}

.product-meta .score-badge-container {
    flex: none;
}

.description-container {
    font-size: 0.9rem;
    color: var(--muted-text);
    text-overflow: ellipsis;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
}

.price-container {
    display: flex;
    flex-direction: column;
}

.price {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
}

.unit {
    font-size: 0.85rem;
    color: var(--muted-text);
}

.score-badge {
    font-size: 0.5rem;
    padding: 4px 7px;
    background-color: #f0f0f0;
    border-radius: 20px;
    color: var(--muted-text);
    font-weight: 500;
}

/* ---------- Highlights ---------- */

.highlight-text em,
.highlight-text mark {
    color: var(--accent-color);
    background: none;
    font-style: normal;
    font-weight: 600;
}

/* ---------- Loading & Empty States ---------- */

.loading {
    text-align: center;
    font-size: 1.2rem;
    color: var(--muted-text);
    margin-top: 40px;
    display: none;
}

.loading.active {
    display: block;
}

.empty-state {
    text-align: center;
    margin-top: 60px;
    color: var(--muted-text);
    font-size: 1.1rem;
    display: none;
}