/* CSS O'zgaruvchilar (Kunduzgi rejim - Asosiy) */
:root {
    --primary: #4F46E5;
    --hover: #4338CA;
    --bg: #F3F4F6;
    --card-bg: #FFFFFF;
    --text: #1F2937;
    --nav-bg: #FFFFFF;
    --border: #e5e7eb;
    --rgb-glow: none;
}

/* Tungi Rejim (Dark Mode) */
body.dark-mode {
    --primary: #818CF8;
    --hover: #6366F1;
    --bg: #0F172A;
    --card-bg: #1E293B;
    --text: #F8FAFC;
    --nav-bg: #1E293B;
    --border: #334155;
    --rgb-glow: 0 0 10px #ff0055, 0 0 20px #00ffcc, 0 0 30px #aa00ff;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; transition: background-color 0.3s, color 0.3s; }
body { background-color: var(--bg); color: var(--text); }
a { text-decoration: none; color: inherit; }

/* Matn belgilash va "Вставить" oynasini taqiqlash */
.icon-btn, .btn-cart, .theme-toggle, .logo, .close-modal {
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

/* Header */
header { background: var(--nav-bg); padding: 15px 5%; display: flex; justify-content: space-between; align-items: center; box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05); position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--border); }
.logo { font-size: 26px; font-weight: 800; color: var(--primary); display: flex; align-items: center; gap: 10px; transition: transform 0.3s ease; }

/* Search */
.search-box { display: flex; width: 40%; border-radius: 30px; overflow: hidden; background: var(--card-bg); border: 1px solid var(--border); }
.search-box input { width: 100%; padding: 10px 20px; border: none; outline: none; font-size: 15px; background: transparent; color: var(--text); }
.search-box button { padding: 0 25px; background: var(--primary); color: white; border: none; cursor: pointer; font-size: 16px; }

/* Tungi/Kunduzgi rejim tugmasi */
.theme-toggle { background: transparent; border: none; font-size: 24px; color: var(--text); cursor: pointer; margin-right: 15px; }

/* Icons */
.nav-icons { display: flex; gap: 20px; align-items: center; }
.icon-btn { font-size: 22px; color: var(--text); position: relative; opacity: 0.8; }
.icon-btn:hover { color: var(--primary); opacity: 1; transform: translateY(-3px); }
.badge { position: absolute; top: -8px; right: -10px; background: #EF4444; color: white; font-size: 11px; padding: 2px 6px; border-radius: 50%; font-weight: bold; }

/* Banner */
.hero { margin: 30px 5%; background: linear-gradient(135deg, #4F46E5, #9333EA); color: white; padding: 50px 20px; border-radius: 20px; text-align: center; }
body.dark-mode .hero { box-shadow: var(--rgb-glow); } 
.hero h1 { font-size: 2.5em; margin-bottom: 10px; }
.hero p { font-size: 1.2em; opacity: 0.9; }

/* Products container */
.container { padding: 20px 5%; min-height: 50vh; }
.section-title { font-size: 24px; margin-bottom: 25px; font-weight: 700; }
.products { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 25px; }

/* Product Card */
.card { background: var(--card-bg); border-radius: 15px; padding: 15px; border: 1px solid var(--border); transition: all 0.4s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
body.dark-mode .card:hover { box-shadow: var(--rgb-glow); border-color: transparent; z-index: 10; }

.img-box { height: 200px; background-color: var(--bg); border-radius: 10px; margin-bottom: 15px; background-size: cover; background-position: center; background-repeat: no-repeat; transition: transform 0.4s; }
.card h3 { font-size: 18px; margin-bottom: 8px; flex-grow: 1; }
.price { font-size: 20px; font-weight: bold; color: var(--primary); margin-bottom: 15px; }

.btn-cart { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 12px; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 8px; cursor: pointer; font-weight: 600; font-size: 15px; transition: all 0.3s; margin-top: auto; }
.btn-cart:hover { background: var(--primary); color: white; border-color: var(--primary); }

/* Modal oyna (Login Popup) */
.modal-overlay { display: none; position: fixed; z-index: 10000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); align-items: center; justify-content: center; }
.modal-content { background: var(--card-bg); color: var(--text); padding: 30px; border-radius: 15px; width: 90%; max-width: 400px; text-align: center; position: relative; animation: popUp 0.3s ease-out; box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
body.dark-mode .modal-content { box-shadow: var(--rgb-glow); border: 1px solid var(--border); }
.close-modal { position: absolute; top: 15px; right: 20px; font-size: 28px; cursor: pointer; opacity: 0.7; }
.close-modal:hover { opacity: 1; color: var(--primary); }
.modal-content input { width: 100%; padding: 12px; margin-top: 15px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); outline: none; }
.modal-content input:focus { border-color: var(--primary); }
.btn-login { width: 100%; padding: 12px; margin-top: 20px; background: var(--primary); color: white; border: none; border-radius: 8px; font-size: 16px; cursor: pointer; font-weight: bold; }
.btn-login:hover { background: var(--hover); }

@keyframes popUp {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* Footer */
footer { background: var(--nav-bg); text-align: center; padding: 25px; margin-top: 50px; border-top: 1px solid var(--border); }

/* MOBIL VERSIYA (RESPONSIVE) */
@media (max-width: 768px) {
    header { flex-direction: column; gap: 15px; padding: 15px; }
    .header-top { display: flex; justify-content: space-between; width: 100%; align-items: center; }
    .search-box { width: 100%; }
    .hero { margin: 15px 5%; padding: 30px 15px; }
    .hero h1 { font-size: 1.8em; }
    .products { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .card { padding: 10px; }
    .img-box { height: 130px; }
    .card h3 { font-size: 13px; margin-bottom: 5px; }
    .price { font-size: 15px; margin-bottom: 10px; }
    .btn-cart { padding: 8px; font-size: 12px; }

    .nav-icons { position: fixed; bottom: 0; left: 0; width: 100%; background: var(--nav-bg); justify-content: space-around; padding: 12px 0; z-index: 1000; border-top: 1px solid var(--border); margin: 0; }
    .icon-btn { flex-direction: column; font-size: 20px; opacity: 1; }
    .icon-btn:hover { transform: none; }
    body { padding-bottom: 65px; }
    footer { margin-bottom: 60px; }
}
@media (min-width: 769px) {
    .header-top { display: flex; align-items: center; gap: 20px; }
}