:root[data-theme="blue"] {
    --primary: #0088ff;
    --bg-dark: #0a0a0b;
    --card-bg: rgba(15, 15, 20, 0.8);
}

:root[data-theme="orange"] {
    --primary: #ff8800;
    --bg-dark: #0a0a0b;
    --card-bg: rgba(20, 15, 10, 0.8);
}

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

body {
    background-color: var(--bg-dark);
    color: white;
    display: flex;
    justify-content: center;
    padding: 40px 20px;
    min-height: 100vh;
}

.container { width: 100%; max-width: 500px; z-index: 1; }

/* Theme Menu */
.theme-menu {
    position: fixed; top: 20px; right: 20px; z-index: 100;
}
select {
    padding: 8px; border-radius: 5px; background: #222; color: white; border: 1px solid var(--primary);
}

/* Card Style */
.card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}

/* Profile Section */
.banner {
    height: 120px; background-size: cover; background-position: center;
    filter: blur(2px) brightness(0.6);
}
.profile-info {
    text-align: center; margin-top: -60px; padding-bottom: 20px;
}
.profile-info img {
    width: 110px; height: 110px; border-radius: 50%;
    border: 4px solid var(--primary); box-shadow: 0 0 15px var(--primary);
}

/* Menu Items */
.links-grid { display: flex; flex-direction: column; gap: 15px; }
.menu-item {
    text-decoration: none; color: white;
    background: rgba(255,255,255,0.05);
    padding: 15px 20px; border-radius: 12px;
    display: flex; align-items: center; gap: 15px;
    border: 1px solid transparent;
    transition: 0.3s;
}
.menu-item:hover {
    border-color: var(--primary);
    box-shadow: 0 0 10px var(--primary);
    transform: translateY(-2px);
}
.menu-item i { color: var(--primary); font-size: 1.2rem; }

/* Infinite Slider */
.slider-container { height: 150px; position: relative; display: flex; align-items: center; }
.slider-track {
    display: flex; width: calc(250px * 10);
    animation: scroll 20s linear infinite;
}
.slider-track img { width: 250px; height: 130px; object-fit: cover; margin: 0 10px; border-radius: 10px; }

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-250px * 3)); }
}