/* --------------------------------------------------
   GLOBAL
-------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", sans-serif;
}

body {
    background: url("https://images.unsplash.com/photo-1504674900247-0877df9cc836?auto=format&fit=crop&w=1920&q=80")
                center/cover fixed no-repeat;
    color: #fff;
    padding: 40px;
    max-width: 1400px;
    margin: auto;
}

/* --------------------------------------------------
   NAV BUTTONS
-------------------------------------------------- */
.btn {
    background: linear-gradient(135deg, #ff7b00, #ffb300);
    border: none;
    padding: 14px 28px;
    border-radius: 40px;
    font-size: 1.1rem;
    font-weight: 700;
    color: #000;
    cursor: pointer;
    transition: 0.25s ease;
}

.btn:hover {
    transform: translateY(-4px);
}

/* --------------------------------------------------
   3-PANEL LAYOUT
-------------------------------------------------- */
#layout {
    display: grid;
    grid-template-columns: 25% 25% 50%;
    gap: 20px;
    margin-top: 30px;
}

#left-panel,
#middle-panel,
#right-panel {
    background: rgba(0,0,0,0.55);
    padding: 20px;
    border-radius: 20px;
    backdrop-filter: blur(6px);
}

/* --------------------------------------------------
   PANEL TITLES
-------------------------------------------------- */
.panel-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

/* --------------------------------------------------
   PANEL LIST BUTTONS
-------------------------------------------------- */
.panel-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.panel-btn {
    background: rgba(255,255,255,0.15);
    padding: 12px 18px;
    border-radius: 12px;
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    border: none;
    text-align: left;
    transition: 0.2s;
}

.panel-btn:hover {
    background: rgba(255,255,255,0.3);
}

/* --------------------------------------------------
   ITEM DETAILS
-------------------------------------------------- */
.detail-box h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.detail-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 20px;
}

.info-list {
    margin: 10px 0 20px 20px;
}

.link-list {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.store-link {
    background: rgba(255,255,255,0.15);
    padding: 6px 12px;
    border-radius: 10px;
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
}

.store-link:hover {
    background: rgba(255,255,255,0.3);
}