:root {
    /* Colores base adaptativos (Respeta el modo oscuro nativo de Telegram) */
    --bg-color: var(--tg-theme-bg-color, #1a2421);
    --text-color: var(--tg-theme-text-color, #ffffff);
    --hint-color: var(--tg-theme-hint-color, #8ba39e);
    --secondary-bg-color: var(--tg-theme-secondary-bg-color, #121a17);
    
    /* Acentos Verdes Pasteles (Estética Femenina y Rica) */
    --mint-gradient: linear-gradient(135deg, #a8e6cf 0%, #3ddc97 100%);
    --mint-gradient-hover: linear-gradient(135deg, #bcf0db 0%, #4ceb9a 100%);
    --button-color: #3ddc97; 
    --button-text-color: #121a17; /* Texto oscuro para contraste en fondo pastel */
    
    /* Glassmorphism */
    --glass-bg: rgba(168, 230, 207, 0.05);
    --glass-border: rgba(168, 230, 207, 0.15);
    
    --soft-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    --glow-shadow: 0 4px 20px rgba(61, 220, 151, 0.2);
    --radius-soft: 20px;
    --radius-round: 30px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--secondary-bg-color);
    color: var(--text-color);
    line-height: 1.5;
    background-image: radial-gradient(circle at top right, rgba(61, 220, 151, 0.08) 0%, transparent 40%),
                      radial-gradient(circle at bottom left, rgba(168, 230, 207, 0.05) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Estados de Productos */
.product-disabled {
    opacity: 0.55;
    filter: grayscale(0.8);
    pointer-events: none;
}
.status-badge {
    font-size: 11px;
    font-weight: 700;
    color: var(--button-color);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.app-container {
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
}

/* Glass Panel Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--soft-shadow);
}

/* Header Reestructurado */
.header {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
    padding: 20px;
    border-radius: var(--radius-round);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    border-top: 1px solid var(--glass-border);
    padding-top: 16px;
    gap: 12px;
}

.header-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.btn-buy-stars {
    background: rgba(255, 171, 0, 0.15);
    border: 1px solid rgba(255, 171, 0, 0.3);
    color: #ffb142;
    padding: 8px 14px;
    border-radius: var(--radius-round);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.btn-buy-stars:active {
    transform: scale(0.95);
    background: rgba(255, 171, 0, 0.25);
}

.btn-buy-ton {
    background: rgba(0, 152, 234, 0.15);
    border: 1px solid rgba(0, 152, 234, 0.3);
    color: #0098ea;
    padding: 8px 14px;
    border-radius: var(--radius-round);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.btn-buy-ton:active {
    transform: scale(0.95);
    background: rgba(0, 152, 234, 0.25);
}

.currency-img {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

.discount-icon {
    width: 14px;
    height: 14px;
    object-fit: contain;
}

.profile-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

.avatar {
    width: 54px;
    height: 54px;
    background: var(--mint-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--button-text-color);
    box-shadow: var(--glow-shadow);
}

#user-name {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.subtitle {
    font-size: 13px;
    color: var(--hint-color);
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.balances {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 2px;
}

.balance-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-color);
    background: rgba(0, 0, 0, 0.2);
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.balance-icon {
    width: 14px;
    height: 14px;
    object-fit: contain;
}

/* TON Connect Container */
#ton-connect {
    transform: scale(0.9);
    transform-origin: right center;
}

/* Tabs */
.categories-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    overflow-x: auto;
    padding-bottom: 8px;
    scrollbar-width: none;
}
.categories-tabs::-webkit-scrollbar { display: none; }

.tab {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    padding: 0 22px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-round);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.tab.active {
    background: var(--mint-gradient);
    color: var(--button-text-color);
    border: none;
    box-shadow: var(--glow-shadow);
    transform: translateY(-2px);
}

/* Products Grid con Imágenes */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 16px;
}

.product-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-soft);
    padding: 14px;
    box-shadow: var(--soft-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:active {
    transform: scale(0.96);
}

.product-image-container {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 14px;
    background: var(--secondary-bg-color);
    border: 1px solid var(--glass-border);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-name {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
    line-height: 1.2;
}

.product-price {
    font-size: 14px;
    color: var(--button-color);
    font-weight: 700;
    margin-bottom: 14px;
    text-shadow: 0 0 10px rgba(61, 220, 151, 0.2);
}

.btn-buy {
    background: var(--mint-gradient);
    color: var(--button-text-color);
    border: none;
    border-radius: var(--radius-round);
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s ease;
    box-shadow: var(--glow-shadow);
}

.btn-buy:active {
    transform: scale(0.95);
    background: var(--mint-gradient-hover);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1000;
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--bg-color);
    padding: 24px;
    border-radius: var(--radius-soft);
    width: 100%;
    max-width: 320px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

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

.modal-content h2 {
    font-size: 18px;
    margin-bottom: 8px;
}

.modal-content p {
    font-size: 14px;
    color: var(--hint-color);
    margin-bottom: 24px;
}

.modal-actions {
    display: flex;
    gap: 10px;
}

.btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.btn-secondary {
    background: var(--secondary-bg-color);
    color: var(--text-color);
}

.btn-primary {
    background: var(--button-color);
    color: var(--button-text-color);
}