:root {
    --bg-color: #f3f4f6; --card-bg: #ffffff; --card-bg-rgb: 255, 255, 255;
    --text-color: #111827; --hint-color: #6b7280; --primary-color: #0284c7;
    --border-color: rgba(0, 0, 0, 0.08); --turquoise: #0d9488;
}

:root.dark-theme {
    --bg-color: #0f172a; --card-bg: #1e293b; --card-bg-rgb: 30, 41, 59;
    --text-color: #f8fafc; --hint-color: #94a3b8; --border-color: rgba(255, 255, 255, 0.08);
    --turquoise: #10b981; --primary-color: #f59e0b; 
}

body.tg-mode {
    --bg-color: var(--tg-theme-secondary-bg-color, #f3f4f6);
    --card-bg: var(--tg-theme-bg-color, #ffffff);
    --text-color: var(--tg-theme-text-color, #111827);
    --hint-color: var(--tg-theme-hint-color, #6b7280);
    --primary-color: var(--tg-theme-button-color, #0284c7);
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(134, 134, 139, 0.3); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(134, 134, 139, 0.6); }

body.modal-open { overflow: hidden; height: 100vh; position: fixed; width: 100%; }

body { font-family: 'Inter', sans-serif; background-color: var(--bg-color); color: var(--text-color); margin: 0; padding: 15px; padding-bottom: env(safe-area-inset-bottom); transition: background-color 0.3s; }

.main-container { max-width: 1400px; margin: 0 auto; padding-bottom: 20px; }

.header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.header-logo { height: 48px; width: auto; transition: filter 0.3s ease; }
.theme-toggle { background: var(--card-bg); border: 1px solid var(--border-color); color: var(--text-color); padding: 8px 12px; border-radius: 20px; cursor: pointer; font-size: 14px; display: none; }

:root:not(.dark-theme) .header-logo, 
:root:not(.dark-theme) .footer-logo { filter: brightness(0); }

input, select { 
    width: 100%; padding: 14px; border-radius: 16px; border: 1px solid var(--border-color); 
    background: var(--card-bg); color: var(--text-color); box-sizing: border-box; 
    font-size: 14px; font-family: inherit; font-weight: 500; outline: none; transition: 0.2s; 
}
input:focus, select:focus { border-color: var(--primary-color); }

.input-wrapper { position: relative; width: 100%; }
.input-wrapper input { padding-right: 35px; } 
.clear-btn { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); background: none; border: none; color: var(--hint-color); cursor: pointer; font-size: 16px; padding: 4px; display: none; z-index: 10; }

.controls-row { display: flex; flex-direction: column; gap: 10px; margin-bottom: 15px; }
@media (min-width: 768px) { .controls-row { flex-direction: row; align-items: center; } }

.filter-group { display: flex; gap: 8px; flex-grow: 1; }
.search-wrapper { flex-grow: 2; }

#sortOrder { font-size: 13px; letter-spacing: -0.2px; }

.screen-filters, .tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 15px; flex-wrap: wrap; }

.scrollable-chips {
    display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; 
    justify-content: flex-start; padding-bottom: 4px; margin-bottom: 15px;
    -webkit-overflow-scrolling: touch;
}
.scrollable-chips::-webkit-scrollbar { display: none; }
@media (min-width: 768px) { .scrollable-chips { justify-content: center; flex-wrap: wrap; overflow-x: visible; } }

.chip, .tab { padding: 10px 18px; border-radius: 24px; background: var(--card-bg); color: var(--hint-color); font-size: 13px; font-weight: 600; cursor: pointer; border: 1px solid var(--border-color); transition: all 0.2s ease; white-space: nowrap; flex-shrink: 0; }
.chip.active, .tab.active { background: var(--text-color); color: var(--card-bg); border-color: var(--text-color); transform: scale(0.98); }
.tab[data-category="promo"] { color: #e63946; border-color: rgba(230, 57, 70, 0.3); }
.tab[data-category="promo"].active { background: #e63946; color: #fff; border-color: #e63946; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 768px) { .grid { grid-template-columns: repeat(4, 1fr); gap: 20px; } }
@media (min-width: 1600px) { .grid { grid-template-columns: repeat(5, 1fr); gap: 28px; } }

.card { background: var(--card-bg); border-radius: 24px; padding: 16px; position: relative; display: flex; flex-direction: column; box-shadow: 0 4px 20px rgba(0,0,0,0.03); cursor: pointer; transition: transform 0.3s, border-color 0.3s; border: 1px solid var(--border-color); height: 100%; box-sizing: border-box; overflow: hidden; }
.card:hover { transform: translateY(-6px); border-color: var(--primary-color); }
.card img { width: 100%; height: 120px; object-fit: contain; margin-bottom: 12px; flex-shrink: 0; transition: transform 0.4s ease; }
.card:hover img { transform: scale(1.05); }
.card-content { flex-grow: 1; display: flex; flex-direction: column; }
.card-title { font-size: 14px; font-weight: 700; margin: 0 0 6px; text-align: center; }
.card-specs { font-size: 12px; color: var(--hint-color); line-height: 1.5; margin-bottom: 12px; flex-grow: 1; }

.badges-left { position: absolute; top: 12px; left: 12px; display: flex; flex-direction: column; gap: 4px; z-index: 2; }
.badges-right { position: absolute; top: 12px; right: 12px; display: flex; flex-direction: column; gap: 4px; z-index: 2; align-items: flex-end; }
.badge { padding: 4px 8px; border-radius: 6px; font-size: 9px; font-weight: 800; color: #fff; text-transform: uppercase; letter-spacing: 0.5px; box-shadow: 0 2px 4px rgba(0,0,0,0.2); }

.price-container { text-align: center; border-top: 1px solid var(--border-color); padding-top: 10px; margin-top: auto; }
.price-tag { font-size: 18px; font-weight: 800; }
.old-price { font-size: 12px; color: var(--hint-color); text-decoration: line-through; margin-right: 6px; }
.promo-price { color: #e63946; }
.empty-state { display: none; grid-column: 1 / -1; text-align: center; padding: 40px 20px; color: var(--hint-color); }
.empty-state.show { display: block; }

.footer { margin-top: 50px; padding-top: 30px; border-top: 1px solid var(--border-color); text-align: center; color: var(--hint-color); font-size: 13px; line-height: 1.6; }
.footer-logo { height: 60px; margin-bottom: 15px; opacity: 0.6; transition: filter 0.3s ease; }
.footer-text p { margin: 0 0 8px 0; }
.footer-contact { font-weight: 600; color: var(--text-color); margin-top: 15px; }

/* GDPR Стилове */
.terms-checkbox { display: flex; align-items: flex-start; gap: 8px; margin-top: 10px; font-size: 11px; color: var(--hint-color); line-height: 1.4; text-align: left; }
.terms-checkbox input[type="checkbox"] { width: 16px; height: 16px; margin-top: 2px; cursor: pointer; flex-shrink: 0; }
.terms-checkbox a { color: var(--primary-color); text-decoration: none; font-weight: 600; }
.terms-checkbox a:hover { text-decoration: underline; }
.footer-links { margin-top: 15px; display: flex; justify-content: center; gap: 15px; }
.footer-links a { color: var(--hint-color); text-decoration: none; font-size: 12px; transition: color 0.2s; }
.footer-links a:hover { color: var(--primary-color); }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; justify-content: center; align-items: flex-end; z-index: 1000; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity 0.3s, visibility 0.3s; }
.modal.show { opacity: 1; visibility: visible; pointer-events: auto; }

.modal-content { background: var(--card-bg); width: 100%; max-width: 600px; max-height: 92dvh; border-radius: 28px 28px 0 0; padding: 0; box-sizing: border-box; display: flex; flex-direction: column; overflow: hidden; position: relative; transform: translateY(100%); transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.modal.show .modal-content { transform: translateY(0); }

@media (min-width: 768px) { 
    .modal { align-items: center; padding: 20px; }
    .modal-content { border-radius: 24px; max-height: 85dvh; transform: scale(0.95); } 
    .modal.show .modal-content { transform: scale(1); }
    .slider-img { height: 300px !important; }
}

.modal-fixed-header { flex-shrink: 0; display: flex; justify-content: space-between; align-items: center; background: rgba(var(--card-bg-rgb), 0.85); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); padding: 16px 24px; border-bottom: 1px solid rgba(134, 134, 139, 0.1); z-index: 50; }
.modal-scroll-body { flex-grow: 1; overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 20px 24px calc(24px + env(safe-area-inset-bottom, 0px)) 24px; }

.close-btn { background: var(--border-color); border: none; border-radius: 50%; width: 36px; height: 36px; color: var(--text-color); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 16px; transition: 0.2s; }
.share-btn { background: none; border: 1.5px solid var(--text-color); color: var(--text-color); padding: 8px 16px; border-radius: 20px; cursor: pointer; font-weight: 700; font-size: 13px; transition: 0.2s; min-width: 105px; text-align: center; }

.slider-wrapper { position: relative; width: 100%; margin-bottom: 16px; flex-shrink: 0; }
.slider-container { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 0; border-radius: 16px; scroll-behavior: smooth; }
.slider-img { flex: 0 0 100%; width: 100%; height: 250px; object-fit: contain; scroll-snap-align: center; }
.nav-arrow { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(var(--card-bg-rgb), 0.8); border: 1px solid var(--border-color); width: 36px; height: 36px; border-radius: 50%; color: var(--text-color); cursor: pointer; display: none; align-items: center; justify-content: center; z-index: 5; }
@media (min-width: 768px) { .slider-wrapper:hover .nav-arrow { display: flex; } }
.arrow-left { left: 10px; } .arrow-right { right: 10px; }
.slider-dots { display: flex; justify-content: center; gap: 8px; margin-top: 10px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(134, 134, 139, 0.4); border: 1px solid rgba(0,0,0,0.15); transition: 0.3s; }
.dot.active { background: var(--primary-color); transform: scale(1.3); }

.similar-section { margin-top: 25px; border-top: 1px solid var(--border-color); padding-top: 15px; }
.similar-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 480px) { .similar-grid { grid-template-columns: repeat(2, 1fr); } }

.web-form-container { display: none; flex-direction: column; gap: 12px; margin-top: 20px; }
.web-form { background: rgba(134, 134, 139, 0.05); padding: 20px; border-radius: 20px; border: 1px solid var(--border-color); display: flex; flex-direction: column; gap: 12px; }
.hp-field { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }
.btn-main { width: 100%; padding: 16px; background: var(--primary-color); color: #fff; border: none; border-radius: 16px; font-weight: 700; cursor: pointer; margin-top: 15px; font-size: 15px; transition: 0.3s ease; }
.btn-main:disabled { opacity: 0.7; cursor: not-allowed; }
.btn-reveal-form { width: 100%; padding: 16px; background: transparent; color: var(--text-color); border: 2px solid var(--text-color); border-radius: 16px; font-weight: 700; cursor: pointer; margin-top: 20px; font-size: 15px; }

.warranty-box { margin-top: 20px; border: 1px solid var(--border-color); padding: 16px; border-radius: 16px; background: rgba(134, 134, 139, 0.05); }
.warranty-item { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.warranty-item:last-child { margin-bottom: 0; }
.warranty-icon { font-size: 16px; }