:root {
    --primary: #8b5cf6;
    --primary-dark: #6d28d9;
    --secondary: #3b82f6;
    --accent: #f59e0b;
    --danger: #ef4444;
    --dark-bg: #0f172a;
    --dark-surface: #1e293b;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    font-family: 'Vazirmatn', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--dark-bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
    font-size: 16px;
    line-height: 1.8;
    letter-spacing: 0.2px;
}

/* -------- هدر و ناوبری -------- */
.navbar {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.75rem 0;
    transition: var(--transition);
}
.navbar-brand {
    font-weight: 900;
    font-size: 1.8rem;
    background: linear-gradient(to left, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.5px;
}
.nav-link {
    color: var(--text-muted) !important;
    margin: 0 8px;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}
.nav-link:hover {
    color: var(--text) !important;
}
.navbar .badge {
    background: var(--accent);
    color: #000;
    font-weight: 700;
}

/* -------- دکمه‌ها -------- */
.btn {
    border-radius: 50px;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: var(--transition);
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.6);
}
.btn-outline-light {
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    background: transparent;
}
.btn-outline-light:hover {
    border-color: var(--primary);
    color: var(--text);
    background: rgba(139, 92, 246, 0.1);
}
.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}
.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
}
.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border: none;
}

/* -------- کارت‌های محصول -------- */
.product-card {
    background: var(--dark-surface);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
}
.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(139, 92, 246, 0.5);
}
.card-img-wrapper {
    position: relative;
    overflow: hidden;
    height: 280px;
}
.card-img-top {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.product-card:hover .card-img-top {
    transform: scale(1.1);
}
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
    display: flex;
    justify-content: center;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition);
}
.product-card:hover .overlay {
    opacity: 1;
}
.badge-discount {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent);
    color: #000;
    font-weight: 700;
    padding: 5px 10px;
    border-radius: 20px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}
.badge-stock {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    backdrop-filter: blur(5px);
}
.card-title {
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}
.card-text {
    color: var(--text-muted);
    font-weight: 300;
    font-size: 0.9rem;
    min-height: 3.5em;
}
.price {
    font-weight: 900;
    font-size: 1.3rem;
    background: linear-gradient(to left, var(--accent), #fbbf24);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* -------- فرم‌ها -------- */
.glass-form {
    background: var(--dark-surface);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
}
.form-control, .form-select {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    color: var(--text);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}
.form-control:focus, .form-select:focus {
    background: rgba(255,255,255,0.1);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
    color: var(--text);
}
.form-label {
    color: var(--text-muted);
    font-weight: 500;
}

/* -------- جداول -------- */
.table-dark {
    --bs-table-bg: var(--dark-surface);
    --bs-table-border-color: var(--glass-border);
    border-radius: 15px;
    overflow: hidden;
}
.table-dark th {
    color: var(--text);
    font-weight: 700;
    border-bottom: 2px solid var(--primary);
}

/* -------- فوتر -------- */
.footer {
    background: #0b1120;
    border-top: 1px solid var(--glass-border);
    padding: 3rem 0 1rem;
    margin-top: auto;
}
.footer h5 {
    color: var(--text);
    font-weight: 700;
    margin-bottom: 1rem;
}
.footer a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}
.footer a:hover {
    color: var(--primary);
}
.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
    background: var(--dark-surface);
    margin: 0 5px;
    font-size: 1.2rem;
    transition: var(--transition);
}
.social-links a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-5px);
}

/* -------- انیمیشن‌ها -------- */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.float-animation {
    animation: float 4s ease-in-out infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.hero-gradient {
    background: linear-gradient(-45deg, #8b5cf6, #3b82f6, #f59e0b, #ef4444);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* -------- Responsive -------- */
@media (max-width: 768px) {
    .navbar-brand { font-size: 1.4rem; }
    .card-img-wrapper { height: 220px; }
    .display-4 { font-size: 2rem; }
    .hero-content h1 { font-size: 2.5rem; }
}


/* دکمه‌های طلایی و بج‌ها */
.btn-gold, .bg-gold, .badge.bg-gold {
}
/* سفید کردن فقط نام محصولات */
.card-title,
.card-title a,
.product-card .card-title,
.product-card .card-title a,
.col-lg-6 h1.fw-bold.mb-3 {
    color: #ffffff !important;
}

/* سفید کردن برچسب «حداکثر قیمت» */
.filter-section .form-label,
label[for="max_price"],
label:contains("حداکثر قیمت") {
    color: #ffffff !important;
}

/* سفید کردن پاراگراف توضیحات در فوتر */
.footer p {
    color: #ffffff !important;
}

/* سفید کردن همه برچسب‌های فرم */
.form-label {
    color: #ffffff !important;
}

/* سفید کردن پاراگراف‌های فوتر */
.footer p {
    color: #ffffff !important;
}