/* ============================================
   SKIN MARKET - Neon Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --neon-primary: #229ED9;
    --neon-primary-glow: rgba(34, 158, 217, 0.8);
    --neon-secondary: #0088cc;
    --neon-secondary-glow: rgba(0, 136, 204, 0.6);
    --neon-accent: #54a9eb;
    --bg-dark: #0d1117;
    --bg-darker: #010409;
    --bg-card: rgba(13, 17, 23, 0.95);
    --bg-glass: rgba(34, 158, 217, 0.05);
    --bg-glass-border: rgba(34, 158, 217, 0.2);
    --text-primary: #ffffff;
    --text-secondary: rgba(200, 220, 240, 0.85);
    --text-muted: rgba(140, 160, 180, 0.5);
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --shadow-neon-primary: 0 0 20px var(--neon-primary-glow), 0 0 40px var(--neon-primary-glow);
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --z-header: 100;
    --z-modal-backdrop: 200;
    --z-modal: 300;
    --z-mobile-menu: 250;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul,
ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes glowFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.5;
    }

    50% {
        transform: translate(30px, -30px) scale(1.1);
        opacity: 0.7;
    }
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }

    10% {
        opacity: 1;
        transform: translateY(90vh) scale(1);
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-10vh) scale(0.5);
        opacity: 0;
    }
}

@keyframes neonBlinkK {

    0%,
    77%,
    80%,
    82%,
    84%,
    100% {
        color: inherit;
        text-shadow: inherit;
    }

    78%,
    79% {
        color: #333;
        text-shadow: none;
    }

    81% {
        color: #666;
        text-shadow: 0 0 2px #229ED9;
    }

    83% {
        color: #333;
        text-shadow: none;
    }
}

@keyframes neonBlinkR {

    0%,
    88%,
    91%,
    93%,
    95%,
    100% {
        color: inherit;
        text-shadow: inherit;
    }

    89%,
    90% {
        color: #333;
        text-shadow: none;
    }

    92% {
        color: #556;
        text-shadow: 0 0 2px #0088cc;
    }

    94% {
        color: #333;
        text-shadow: none;
    }
}

@keyframes shimmer {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* Landing Page */
.landing {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at 20% 20%, rgba(34, 158, 217, 0.1) 0%, transparent 50%), radial-gradient(ellipse at 80% 80%, rgba(13, 71, 161, 0.08) 0%, transparent 50%), linear-gradient(180deg, #0d1117 0%, #161b22 30%, #0d1117 70%, #010409 100%);
}

.landing-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    pointer-events: none;
    animation: glowFloat 8s ease-in-out infinite;
}

.landing-glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(34, 158, 217, 0.35) 0%, transparent 70%);
    top: -200px;
    left: -200px;
}

.landing-glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(13, 71, 161, 0.3) 0%, transparent 70%);
    bottom: -150px;
    right: -150px;
    animation-delay: -4s;
}

.landing-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(34, 158, 217, 0.7);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(34, 158, 217, 0.9);
    animation: particleFloat 15s linear infinite;
}

.particle:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
    animation-duration: 12s;
}

.particle:nth-child(2) {
    left: 20%;
    animation-delay: -2s;
    animation-duration: 14s;
}

.particle:nth-child(3) {
    left: 35%;
    animation-delay: -4s;
    animation-duration: 11s;
}

.particle:nth-child(4) {
    left: 50%;
    animation-delay: -6s;
    animation-duration: 16s;
}

.particle:nth-child(5) {
    left: 65%;
    animation-delay: -3s;
    animation-duration: 13s;
}

.particle:nth-child(6) {
    left: 75%;
    animation-delay: -8s;
    animation-duration: 15s;
}

.particle:nth-child(7) {
    left: 85%;
    animation-delay: -5s;
    animation-duration: 10s;
}

.particle:nth-child(8) {
    left: 92%;
    animation-delay: -1s;
    animation-duration: 17s;
}

/* Neon Logo */
.neon-logo {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    user-select: none;
    position: relative;
    z-index: 10;
}

.neon-word {
    font-family: 'Vibur', cursive;
    font-size: clamp(3rem, 12vw, 8rem);
    font-weight: 400;
    display: inline;
    line-height: 1.1;
    color: #fee;
}

.neon-skin {
    color: #e8f4fc;
    text-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 20px #229ED9, 0 0 40px #229ED9, 0 0 60px #229ED9, 0 0 80px #0088cc, 0 0 100px #0088cc;
}

.neon-market {
    color: #e8f4fc;
    text-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 20px #0088cc, 0 0 40px #0088cc, 0 0 60px #1976D2, 0 0 80px #1976D2;
}

.blink-k {
    animation: neonBlinkK 4s infinite;
}

.blink-r {
    animation: neonBlinkR 5s infinite;
}

/* Mini Neon Logo */
.neon-logo-mini {
    display: flex;
    align-items: center;
    height: auto !important;
    font-family: 'Vibur', cursive;
}

.neon-skin-mini,
.neon-market-mini {
    font-size: 1.5rem;
    font-weight: 400;
    color: #e8f4fc;
}

.neon-skin-mini {
    text-shadow: 0 0 3px #fff, 0 0 6px #229ED9, 0 0 12px #229ED9, 0 0 20px #0088cc;
}

.neon-market-mini {
    text-shadow: 0 0 3px #fff, 0 0 6px #0088cc, 0 0 12px #1976D2;
}

.neon-skin-mini .blink-k,
.neon-market-mini .blink-r {
    animation: neonBlinkK 4s infinite;
}

/* Page Title */
.page-title-neon {
    font-family: 'Vibur', cursive;
    font-size: 2.5rem;
    font-weight: 400;
    color: #e8f4fc;
    text-shadow: 0 0 5px #fff, 0 0 10px #229ED9, 0 0 20px #229ED9, 0 0 40px #0088cc;
    margin-bottom: 30px;
    text-align: center;
}

/* Login Actions */
.landing-actions {
    position: relative;
    z-index: 10;
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.telegram-widget-container {
    /* background: rgba(34, 158, 217, 0.1); */
    /* border: 1px solid rgba(34, 158, 217, 0.3); */
    border-radius: 20px;
    padding: 10px 20px;
    /* box-shadow: 0 0 20px rgba(34, 158, 217, 0.1); */
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.telegram-widget-container:hover {
    /* box-shadow: 0 0 30px rgba(34, 158, 217, 0.25); */
    /* border-color: rgba(34, 158, 217, 0.6); */
    transform: translateY(-2px);
}

.btn-dev {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
    border: 1px dashed rgba(255, 255, 255, 0.2);
    padding: 6px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: transparent;
}

.btn-dev:hover {
    color: var(--neon-primary);
    border-color: var(--neon-primary);
    background: rgba(34, 158, 217, 0.1);
    box-shadow: 0 0 15px rgba(34, 158, 217, 0.2);
    cursor: pointer;
}

/* Beautiful Telegram Login Button */
.telegram-login-btn {
    font-size: 1.2rem;
    padding: 18px 40px;
    gap: 12px;
    text-transform: none;
    letter-spacing: 0;
    font-weight: 600;
    border-radius: 16px;
    background: linear-gradient(135deg, #229ED9 0%, #0088cc 50%, #1976D2 100%);
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 30px rgba(34, 158, 217, 0.5), 0 0 60px rgba(34, 158, 217, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.telegram-login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 3s infinite;
}

.telegram-login-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 0 50px rgba(34, 158, 217, 0.7), 0 0 100px rgba(34, 158, 217, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.telegram-login-btn svg {
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.5));
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background: linear-gradient(135deg, #229ED9 0%, #0088cc 100%);
    color: var(--text-primary);
    box-shadow: var(--shadow-neon-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--neon-primary-glow), 0 0 40px var(--neon-primary-glow), 0 0 60px var(--neon-primary-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--neon-primary);
    border: 2px solid var(--neon-primary);
    box-shadow: 0 0 10px var(--neon-primary-glow);
}

.btn-secondary:hover {
    background: var(--neon-primary);
    color: var(--bg-dark);
    box-shadow: var(--shadow-neon-primary);
}

.btn-ghost {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--bg-glass-border);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-neon {
    background: linear-gradient(135deg, rgba(34, 158, 217, 0.3) 0%, rgba(0, 136, 204, 0.3) 100%);
    border: 2px solid rgba(34, 158, 217, 0.6);
    box-shadow: 0 0 20px rgba(34, 158, 217, 0.4), inset 0 0 20px rgba(34, 158, 217, 0.1);
    transition: all 0.3s ease;
}

.btn-neon:hover {
    border-color: rgba(34, 158, 217, 0.9);
    box-shadow: 0 0 40px rgba(34, 158, 217, 0.6), 0 0 80px rgba(34, 158, 217, 0.4), inset 0 0 30px rgba(34, 158, 217, 0.2);
    transform: translateY(-3px);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.25rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--bg-glass-border);
    z-index: var(--z-header);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
}

.header-logo {
    height: 40px;
}

.header-logo img {
    height: 100%;
    width: auto;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.header-nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.header-nav-link.active {
    color: var(--neon-primary);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    position: fixed;
    top: 70px;
    right: 0;
    bottom: 0;
    width: 280px;
    background: rgba(13, 17, 23, 0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--bg-glass-border);
    z-index: var(--z-mobile-menu);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-menu-link:hover {
    background: var(--bg-glass);
    color: var(--neon-primary);
}

.mobile-menu-link svg {
    width: 24px;
    height: 24px;
}

/* Main Content */
.main {
    padding-top: 90px;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Product Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
}

/* Product Card */
.product-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--bg-glass-border);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
    animation: fadeIn 0.5s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-primary);
    box-shadow: 0 0 30px rgba(34, 158, 217, 0.25);
}

.product-card-image {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--bg-darker);
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.product-card-price {
    position: absolute;
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 0, 0, 0.8);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9rem;
}

.product-card-price.free {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.product-card-price.paid {
    background: linear-gradient(135deg, #229ED9 0%, #0088cc 100%);
}

.product-card-content {
    padding: var(--spacing-md);
}

.product-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    padding: 2px var(--spacing-sm);
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    max-width: 900px;
    width: calc(100% - var(--spacing-xl) * 2);
    max-height: calc(100vh - var(--spacing-xl) * 2);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--bg-glass-border);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1.5rem;
    z-index: 10;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--neon-primary);
}

.modal-image {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--bg-darker);
}

.modal-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.modal-content {
    padding: var(--spacing-xl);
    overflow-y: auto;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.modal-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--neon-primary);
    box-shadow: 0 0 0 3px rgba(34, 158, 217, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.upload-area {
    border: 2px dashed var(--bg-glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--neon-primary);
    background: rgba(34, 158, 217, 0.05);
}

/* Utilities */
.text-center {
    text-align: center;
}

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

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .header-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .header-logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .modal {
        width: 100%;
        max-width: 100%;
        max-height: 100%;
        border-radius: 0;
    }

    .modal-content {
        padding: var(--spacing-lg);
    }

    .modal-actions {
        flex-direction: column;
    }

    .modal-actions .btn {
        width: 100%;
    }

    .neon-word {
        font-size: clamp(2rem, 15vw, 4rem);
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}