:root {
    --primary-dark: #121212;
    --accent-red: #D90429;
    --accent-red-hover: #EF233C;
    --text-silver: #8D99AE;
    --bg-light: #EDF2F4;
    --white: #ffffff;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--primary-dark);
    line-height: 1.6;
}

h1, h2, h3, h4, .navbar-brand {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
}

/* Navbar */
.navbar {
    background-color: var(--primary-dark);
    padding: 1rem 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: -1px;
}

.brand-auto { color: var(--white); }
.brand-bid { color: var(--accent-red); }

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2b2d42 100%);
    padding: 100px 0;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(217, 4, 41, 0.15) 0%, transparent 70%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

/* Cards & Glassmorphism */
.auction-card {
    border: none;
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: var(--white);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.auction-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.card-img-container {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.card-img-top {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.badge-bid {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(217, 4, 41, 0.9);
    backdrop-filter: blur(4px);
    color: white;
    padding: 6px 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
}

.badge-time {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background: rgba(18, 18, 18, 0.7);
    backdrop-filter: blur(4px);
    color: white;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--accent-red);
    border-color: var(--accent-red);
    font-weight: 600;
    border-radius: 8px;
    padding: 10px 24px;
}

.btn-primary:hover {
    background-color: var(--accent-red-hover);
    border-color: var(--accent-red-hover);
}

/* Search Bar */
.search-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 8px;
    max-width: 600px;
}

.search-input {
    background: transparent;
    border: none;
    color: white;
    padding-left: 15px;
}

.search-input:focus {
    background: transparent;
    color: white;
    box-shadow: none;
}

footer {
    background-color: var(--primary-dark);
    color: var(--text-silver);
}