/* ========================================
   Планета Ликвида - Cosmic Purple Theme
   ======================================== */

:root {
    /* Core palette from logo */
    --deep-space: #0d0a1a;
    --nebula-dark: #1a1030;
    --cosmic-purple: #2d1b4e;
    --planet-magenta: #8b2a6b;
    --hot-pink: #e91e8c;
    --bright-pink: #ff4aa2;
    --soft-pink: #ffb8d9;

    /* Accent colors */
    --glow-purple: rgba(139, 42, 107, 0.5);
    --glow-pink: rgba(233, 30, 140, 0.4);

    /* Text colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;

    /* Typography */
    --font-display: 'Unbounded', sans-serif;
    --font-body: 'Manrope', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--deep-space);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* 3D Canvas Background */
#planet-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Gradient Overlay */
.gradient-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(139, 42, 107, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(45, 27, 78, 0.3) 0%, transparent 50%),
        linear-gradient(180deg, transparent 0%, var(--deep-space) 100%);
    z-index: 1;
    pointer-events: none;
}

/* Container */
.container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ========================================
   Header
   ======================================== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
    animation: fadeInDown 0.8s ease-out;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    filter: drop-shadow(0 0 8px var(--glow-pink));
    flex-shrink: 0;
}

.logo-text {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--soft-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--hot-pink);
    transition: var(--transition-fast);
}

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

.nav-link:hover::after {
    width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    text-align: center;
    padding: var(--space-xl) 0;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.hero-title-line {
    display: block;
}

.hero-title-line.accent {
    background: linear-gradient(135deg, var(--hot-pink) 0%, var(--bright-pink) 50%, var(--soft-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px var(--glow-pink));
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* ========================================
   Search Section
   ======================================== */
.search-section {
    padding: var(--space-lg) 0 var(--space-md);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.search-wrapper {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 16px 54px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-input:focus {
    outline: none;
    border-color: var(--hot-pink);
    box-shadow: 0 0 20px var(--glow-pink);
    background: rgba(255, 255, 255, 0.08);
}

.search-clear {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-clear:hover {
    background: var(--hot-pink);
    color: var(--text-primary);
}

.search-results-info {
    text-align: center;
    margin-top: var(--space-sm);
    font-size: 0.9rem;
    color: var(--text-muted);
    min-height: 1.5em;
}

.search-results-info .highlight {
    color: var(--bright-pink);
    font-weight: 600;
}

/* ========================================
   Catalog Section (Categories Accordion)
   ======================================== */
.catalog-section {
    padding: var(--space-sm) 0 var(--space-xl);
}

#categories-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Category Accordion Item */
.category-group {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.category-group:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.category-group.expanded {
    border-color: rgba(233, 30, 140, 0.3);
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition-fast);
    user-select: none;
}

.category-header:hover {
    background: rgba(255, 255, 255, 0.03);
}

.category-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.category-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.category-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.category-toggle {
    width: 28px;
    height: 28px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.category-toggle svg {
    width: 14px;
    height: 14px;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.category-group.expanded .category-toggle {
    background: var(--hot-pink);
    border-color: var(--hot-pink);
}

.category-group.expanded .category-toggle svg {
    color: var(--text-primary);
    transform: rotate(180deg);
}

/* Products Row Container */
.category-products {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-group.expanded .category-products {
    max-height: 500px;
}

.products-row-wrapper {
    padding: 0 12px 12px;
}

/* Horizontal Scroll Container */
.products-row {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 8px 4px;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--planet-magenta) transparent;
    /* Fade edges - only affects content inside */
    -webkit-mask-image: linear-gradient(
        to right,
        transparent 0%,
        black 5%,
        black 95%,
        transparent 100%
    );
    mask-image: linear-gradient(
        to right,
        transparent 0%,
        black 5%,
        black 95%,
        transparent 100%
    );
}

.products-row::-webkit-scrollbar {
    height: 4px;
}

.products-row::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
}

.products-row::-webkit-scrollbar-thumb {
    background: var(--planet-magenta);
    border-radius: 2px;
}

.products-row::-webkit-scrollbar-thumb:hover {
    background: var(--hot-pink);
}

/* ========================================
   Product Card (Compact)
   ======================================== */
.product-card {
    flex: 0 0 200px;
    min-width: 200px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 12px;
    transition: var(--transition-smooth);
    position: relative;
}

.product-card:hover {
    border-color: rgba(233, 30, 140, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.product-card.hidden {
    display: none;
}

.product-card .search-match {
    background: rgba(233, 30, 140, 0.3);
    padding: 0 3px;
    border-radius: 2px;
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    color: var(--text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--hot-pink);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-sm);
}

.product-name {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
    line-height: 1.2;
}

.product-specs {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    line-height: 1.3;
}

.product-price {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--bright-pink);
}

.product-price-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 400;
    display: inline;
    margin-left: 4px;
}

/* No Products State */
.no-products {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-muted);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--space-xl) 0 var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: var(--space-xl);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.footer-contacts {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

.contact-link:hover .contact-icon {
    color: var(--bright-pink);
}

.contact-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Category group hidden state */
.category-group.search-hidden {
    display: none;
}

/* No results state */
.no-results {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-muted);
}

.no-results p {
    margin-bottom: var(--space-sm);
}

.no-results .query {
    color: var(--bright-pink);
    font-weight: 600;
}

.no-results-hint {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: var(--space-md);
}

.no-results-telegram {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: var(--space-md);
    padding: 12px 24px;
    background: rgba(0, 136, 204, 0.15);
    border: 1px solid rgba(0, 136, 204, 0.4);
    border-radius: 50px;
    color: #0088cc;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    box-shadow: 0 0 15px rgba(0, 136, 204, 0.2);
}

.no-results-telegram svg {
    width: 20px;
    height: 20px;
}

.no-results-telegram:hover {
    background: rgba(0, 136, 204, 0.25);
    border-color: #0088cc;
    box-shadow: 0 0 25px rgba(0, 136, 204, 0.4), 0 0 40px rgba(0, 136, 204, 0.2);
    transform: translateY(-2px);
    color: #00aaff;
}

/* ========================================
   Nav Button
   ======================================== */
.nav-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.95rem;
    padding: 0;
}

/* ========================================
   Telegram Button
   ======================================== */
.telegram-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 136, 204, 0.15);
    border: 1px solid rgba(0, 136, 204, 0.4);
    color: #0088cc;
    transition: var(--transition-smooth);
    box-shadow: 0 0 15px rgba(0, 136, 204, 0.3);
}

.telegram-btn svg {
    width: 22px;
    height: 22px;
}

.telegram-btn:hover {
    background: rgba(0, 136, 204, 0.25);
    border-color: #0088cc;
    box-shadow: 0 0 25px rgba(0, 136, 204, 0.5), 0 0 40px rgba(0, 136, 204, 0.3);
    transform: scale(1.1);
    color: #00aaff;
}

/* ========================================
   Modal
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: linear-gradient(145deg, var(--nebula-dark) 0%, var(--deep-space) 100%);
    border: 1px solid rgba(233, 30, 140, 0.3);
    border-radius: 20px;
    padding: var(--space-lg);
    max-width: 500px;
    width: 90%;
    position: relative;
    transform: translateY(20px) scale(0.95);
    transition: var(--transition-smooth);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px var(--glow-pink);
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    border-radius: 50%;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--hot-pink);
    color: var(--text-primary);
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--soft-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-body {
    color: var(--text-secondary);
    line-height: 1.7;
}

.modal-body p {
    margin-bottom: var(--space-sm);
}

.modal-body ul {
    margin: var(--space-sm) 0;
    padding-left: var(--space-md);
}

.modal-body li {
    margin-bottom: var(--space-xs);
    position: relative;
}

.modal-body li::marker {
    color: var(--hot-pink);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: var(--space-md);
    }

    .nav {
        gap: var(--space-md);
    }

    .hero-title {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .category-header {
        padding: 10px 12px;
    }

    .category-title {
        font-size: 0.9rem;
    }

    .product-card {
        flex: 0 0 180px;
        min-width: 180px;
    }

}

@media (max-width: 480px) {
    .product-card {
        flex: 0 0 160px;
        min-width: 160px;
        padding: 10px;
    }

    .product-name {
        font-size: 0.8rem;
    }

    .product-specs {
        font-size: 0.7rem;
    }

    .product-price {
        font-size: 0.95rem;
    }

    .search-input {
        padding: 12px 44px;
        font-size: 0.9rem;
    }
}