:root {
    --bg: #020617;
    --card: #0f172a;
    --accent: #3b82f6;
    --text: #f8fafc;
    --nav-bg: rgba(15, 23, 42, 0.95);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    -webkit-tap-highlight-color: transparent;
}

.mobile-container {
    padding: 20px;
    padding-bottom: 100px; /* Space for bottom nav */
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo b { color: var(--accent); }

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
}

.nav-item {
    text-decoration: none;
    color: #94a3b8;
    font-size: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.nav-item.active {
    color: var(--accent);
}

.nav-icon {
    width: 24px;
    height: 24px;
    background: currentColor;
    mask-size: contain;
    mask-repeat: no-repeat;
    mask-position: center;
}

/* UI Elements */
.upload-card {
    background: var(--card);
    border: 2px dashed rgba(59, 130, 246, 0.3);
    border-radius: 20px;
    padding: 40px 20px;
    text-align: center;
    margin-bottom: 25px;
}

.upload-card p {
    font-size: 1.1rem;
    font-weight: 500;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.asset-card {
    background: var(--card);
    border-radius: 15px;
    overflow: hidden;
    aspect-ratio: 1;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.profile-wrap {
    text-align: center;
    padding-top: 40px;
}

.avatar-large {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--accent);
    margin-bottom: 15px;
}

.btn-danger-mobile {
    background: #ef4444;
    color: white;
    border: none;
    width: 100%;
    padding: 15px;
    border-radius: 12px;
    font-weight: 600;
    margin-top: 40px;
}