* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background: #000000;
    color: #ffffff;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Global Elements ===== */
button {
    transition: all 0.2s ease;
    font-family: 'Oswald', sans-serif;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    transition: color 0.2s ease;
    color: #ffcc00;
}

a:hover {
    color: #00bfff;
}

::selection {
    background: rgba(255, 204, 0, 0.3);
    color: #ffffff;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #0a0a14;
}

::-webkit-scrollbar-thumb {
    background: #333344;
    border-radius: 5px;
    border: 2px solid #0a0a14;
}

::-webkit-scrollbar-thumb:hover {
    background: #ffcc00;
}

/* ===== Detail Page Shared Header ===== */
.detail-header {
    background: linear-gradient(180deg, #050508, #000);
    border-bottom: 2px solid #ffcc00;
    padding: 16px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 24px rgba(255,204,0,0.15);
}

.header-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand-logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 24px;
    color: #ffcc00;
    text-decoration: none;
    letter-spacing: 4px;
    text-transform: uppercase;
    text-shadow: 0 0 10px rgba(255,204,0,0.5);
}

.brand-logo:hover {
    color: #00bfff;
}

.back-btn {
    color: #ffcc00;
    text-decoration: none;
    font-size: 11px;
    letter-spacing: 2px;
    padding: 8px 18px;
    border: 1px solid #ffcc00;
    transition: all 0.2s;
    text-transform: uppercase;
    font-family: 'Oswald', sans-serif;
    border-radius: 3px;
}

.back-btn:hover {
    background: #ffcc00;
    color: #000;
    box-shadow: 0 0 16px #ffcc00;
}

/* ===== Arena Ad ===== */
.arena-ad {
    border: 1px dashed rgba(255,204,0,0.3);
    background: rgba(20,20,30,0.6);
    padding: 12px;
    margin: 24px 0;
    text-align: center;
    border-radius: 6px;
}

.arena-ad-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #6a6a78;
    margin-bottom: 8px;
    font-family: 'Oswald', sans-serif;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
    .detail-header {
        padding: 10px 16px;
    }
    .header-inner {
        flex-wrap: wrap;
        justify-content: center;
    }
    .brand-logo {
        font-size: 18px;
    }
}