/* ==========================================================================
   TeraPoint — Catálogo de Productos (PRODUCTDATA)
   Mismo sistema de diseño premium violeta que tiendas.css / store.css.
   ========================================================================== */

:root {
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;

    --bg-primary: hsl(250, 40%, 98%);
    --bg-secondary: hsl(0, 0%, 100%);
    --bg-header: rgba(255, 255, 255, 0.20);

    --text-primary: hsl(250, 35%, 12%);
    --text-secondary: hsl(248, 12%, 46%);

    --accent: hsl(258, 90%, 64%);
    --accent-hover: hsl(258, 85%, 55%);
    --accent-rgb: 139, 92, 246;
    --accent-soft: hsl(258, 90%, 96%);
    --border-color: hsl(252, 25%, 91%);

    --gradient-accent: linear-gradient(135deg, hsl(258, 90%, 64%) 0%, hsl(286, 88%, 62%) 100%);
    --gradient-hero: linear-gradient(135deg, hsl(258, 70%, 30%) 0%, hsl(286, 70%, 40%) 55%, hsl(326, 78%, 54%) 100%);

    --shadow-sm: 0 2px 8px rgba(80, 50, 160, 0.05);
    --shadow-md: 0 12px 30px -8px rgba(80, 50, 160, 0.12), 0 6px 12px -6px rgba(80, 50, 160, 0.08);
    --shadow-lg: 0 24px 48px -12px rgba(80, 50, 160, 0.18), 0 12px 20px -8px rgba(80, 50, 160, 0.10);

    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark-theme {
    --bg-primary: hsl(258, 32%, 7%);
    --bg-secondary: hsl(258, 26%, 11%);
    --bg-header: rgba(20, 14, 34, 0.72);

    --text-primary: hsl(252, 40%, 97%);
    --text-secondary: hsl(250, 16%, 72%);

    --accent: hsl(258, 95%, 74%);
    --accent-hover: hsl(258, 95%, 82%);
    --accent-rgb: 167, 139, 250;
    --accent-soft: hsl(258, 40%, 18%);
    --border-color: hsl(258, 26%, 20%);

    --gradient-accent: linear-gradient(135deg, hsl(258, 90%, 70%) 0%, hsl(286, 85%, 66%) 100%);
    --gradient-hero: linear-gradient(135deg, hsl(258, 60%, 20%) 0%, hsl(286, 60%, 28%) 55%, hsl(326, 65%, 42%) 100%);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 12px 30px -8px rgba(0, 0, 0, 0.45), 0 6px 12px -6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.55), 0 12px 20px -8px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.5;
    transition: background-color 0.3s ease, color 0.3s ease;
}

html::-webkit-scrollbar { width: 8px; }
html::-webkit-scrollbar-track { background: var(--bg-primary); }
html::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: var(--radius-sm); }
html::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ---------------- Header (same as tiendas.html) ---------------- */
.tds-header {
    width: 100%;
    height: 70px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: transparent;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-bottom: 1px solid transparent;
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.tds-header.scrolled {
    background-color: var(--bg-header);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 4px 20px rgba(80, 50, 160, 0.06);
}
.dark-theme .tds-header.scrolled {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}
.tds-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.tds-logo img { width: 190px; }
.tds-logo .logo-light { display: none; }
.tds-logo .logo-dark { display: block; }
body:not(.dark-theme) .tds-header.scrolled .tds-logo .logo-light { display: block; }
body:not(.dark-theme) .tds-header.scrolled .tds-logo .logo-dark { display: none; }

.tds-actions { display: flex; align-items: center; gap: 0.85rem; }

.tds-theme-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #fff;
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.tds-theme-btn:hover { background-color: rgba(255, 255, 255, 0.2); }
.tds-header.scrolled .tds-theme-btn { color: var(--text-primary); border-color: var(--border-color); }
.tds-header.scrolled .tds-theme-btn:hover { background-color: var(--border-color); color: var(--accent); }

.tds-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.1rem;
    border-radius: 999px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    font-weight: 600;
    font-size: 0.88rem;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}
.tds-link-btn:hover { background: rgba(255, 255, 255, 0.14); }
.tds-header.scrolled .tds-link-btn { border-color: var(--border-color); color: var(--text-primary); }
.tds-header.scrolled .tds-link-btn:hover { background: var(--border-color); }

.tds-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.25rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    font-weight: 600;
    font-size: 0.88rem;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}
.tds-cta-btn:hover { background: rgba(255, 255, 255, 0.25); transform: translateY(-1px); }
.tds-header.scrolled .tds-cta-btn {
    background: var(--gradient-accent);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.35);
}

/* ---------------- Hero ---------------- */
.tds-hero {
    width: 100%;
    padding: 8.5rem 1.5rem 3.5rem;
    background: var(--gradient-hero);
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.tds-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 16% 20%, rgba(255,255,255,0.16) 0%, transparent 38%),
        radial-gradient(circle at 84% 80%, rgba(255,255,255,0.10) 0%, transparent 42%);
    pointer-events: none;
}
.tds-hero > * { position: relative; z-index: 1; }

.tds-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.35);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.4px;
    margin-bottom: 1.25rem;
}
.tds-hero-badge .material-icons { font-size: 1rem; }

.tds-hero-title {
    font-family: var(--font-display);
    font-size: 2.9rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    text-shadow: 0 4px 16px rgba(0,0,0,0.2);
    margin-bottom: 0.75rem;
}
.tds-hero-title .gradient-word {
    background: linear-gradient(135deg, #ffffff 0%, #dcd0ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tds-hero-subtitle {
    font-size: 1.15rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.92);
    max-width: 640px;
    margin: 0 auto 2.25rem;
    text-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.tds-search-bar {
    max-width: 620px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 999px;
    padding: 0.45rem 0.5rem 0.45rem 1.3rem;
    box-shadow: var(--shadow-lg);
}
.tds-search-bar .material-icons { color: var(--text-secondary); }
.tds-search-bar input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text-primary);
    padding: 0.6rem 0;
}
.tds-search-clear {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0.3rem;
}
.tds-search-clear.visible { display: flex; }
.tds-search-clear:hover { color: var(--accent); }
.tds-search-go {
    background: var(--gradient-accent);
    border: none;
    color: #fff;
    border-radius: 999px;
    padding: 0.75rem 1.5rem;
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: default;
}

.tds-hero-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1.75rem;
    margin-top: 2rem;
}
.tds-hero-stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
}
.tds-hero-stat .material-icons { font-size: 1.15rem; }
.tds-hero-stat strong { font-family: var(--font-display); font-size: 1.05rem; }

.tds-hero-note {
    max-width: 560px;
    margin: 1.5rem auto 0;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.75);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    justify-content: center;
}
.tds-hero-note .material-icons { font-size: 1rem; }

/* ---------------- Main content ---------------- */
.tds-main {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 4rem;
    flex: 1;
}

.tds-section-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}
.tds-section-title .material-icons { color: var(--accent); font-size: 1.6rem; }
.tds-section-title .tds-count-pill {
    margin-left: 0.35rem;
    background: var(--accent-soft);
    color: var(--accent);
    font-family: var(--font-primary);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.15rem 0.65rem;
    border-radius: 999px;
}
.tds-section-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* Lazy-load sentinel */
.tds-load-sentinel {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 2.5rem 0 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}
.tds-load-sentinel.visible { display: flex; }
.tds-load-spinner {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2.5px solid var(--border-color);
    border-top-color: var(--accent);
    animation: tds-spin 0.7s linear infinite;
}
@keyframes tds-spin { to { transform: rotate(360deg); } }

.tds-empty {
    text-align: center;
    padding: 3.5rem 1.5rem;
    color: var(--text-secondary);
}
.tds-empty .material-icons { font-size: 3rem; opacity: 0.3; margin-bottom: 1rem; }
.tds-empty h3 { font-family: var(--font-display); color: var(--text-primary); margin-bottom: 0.4rem; }

/* ---------------- Product grid & cards (image-forward) ---------------- */
.prd-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 1.5rem;
}

.prd-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    animation: tds-card-in 0.4s ease both;
}
@keyframes tds-card-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: none; }
}
.prd-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(var(--accent-rgb), 0.4);
}

.prd-card-image-wrap {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}
.prd-card-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.prd-card:hover .prd-card-image-wrap img { transform: scale(1.06); }

.prd-card-body {
    padding: 1rem 1.15rem 1.15rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.prd-card-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.98rem;
    line-height: 1.35;
}

.prd-card-barcode {
    font-family: 'Courier New', monospace;
    font-size: 0.72rem;
    color: var(--text-secondary);
    letter-spacing: 0.4px;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.prd-card-barcode .material-icons { font-size: 0.9rem; }

.prd-card-price-row {
    margin-top: auto;
    padding-top: 0.7rem;
    border-top: 1px solid var(--border-color);
}

.prd-price-pill {
    font-weight: 700;
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    font-size: 0.82rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    width: 100%;
    justify-content: center;
}
.prd-price-pill .material-icons { font-size: 1rem; }
.prd-price-pill.is-empty {
    color: var(--text-secondary);
    background: var(--bg-primary);
    font-weight: 600;
    font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
    .tds-header { padding: 0 1rem; }
    .tds-logo img { width: 150px; }
    .tds-link-btn span:not(.material-icons) { display: none; }
    .tds-cta-btn span:not(.material-icons) { display: none; }
    .tds-hero { padding: 7.5rem 1rem 3rem; }
    .tds-hero-title { font-size: 2.1rem; }
    .tds-hero-subtitle { font-size: 1rem; }
    .tds-search-bar { padding-left: 1rem; }
    .tds-search-go span:not(.material-icons) { display: none; }
    .tds-search-go { padding: 0.75rem; border-radius: 50%; }
    .prd-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 1rem; }
}