/* ─── Header / TopNav ────────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 100%; max-width: var(--max-width);
    height: var(--header-height);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 12px;
    z-index: 100;
    /* bg image set inline via PHP — fallback: */
    background-color: var(--primary);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    box-shadow: 0 2px 10px rgba(0,0,0,.18);
}

/* Hamburger */
.header-hamburger {
    display: flex; flex-direction: column; justify-content: center;
    gap: 4.5px;
    width: 34px; height: 34px; padding: 6px;
    color: #fff;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
    flex-shrink: 0;
}
.header-hamburger:hover { background: rgba(255,255,255,.18); }
.header-hamburger span {
    display: block; height: 2px;
    background: currentColor; border-radius: 2px;
    transition: transform 0.28s ease, opacity 0.28s ease;
    transform-origin: center;
}
.header-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.header-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.header-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Centered logo */
.header-logo {
    position: absolute; left: 50%; transform: translateX(-50%);
    display: flex; align-items: center; gap: 6px;
    color: #fff;
    max-width: 160px;
}
.logo-img {
    height: 34px; width: auto; object-fit: contain; max-width: 130px;
    filter: drop-shadow(0 1px 3px rgba(0,0,0,.25));
}
.logo-fallback { display: flex; align-items: center; gap: 6px; }
.logo-badge {
    width: 28px; height: 28px;
    background: var(--accent-gold); color: var(--text-primary);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.625rem; font-weight: 800; flex-shrink: 0;
}
.logo-name {
    font-weight: 700; font-size: 1rem; letter-spacing: .5px; white-space: nowrap; color: #fff;
}

/* Right side */
.header-right {
    display: flex; align-items: center; gap: 6px;
    flex-shrink: 0; margin-left: auto;
}
.header-balance {
    display: flex; align-items: center; gap: 3px;
    background: rgba(255,255,255,.22);
    color: #fff; padding: 4px 9px;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem; font-weight: 600;
    backdrop-filter: blur(4px);
}
.balance-label { font-size: 0.6875rem; opacity: .9; }
.header-deposit-btn {
    width: 26px; height: 26px;
    background: var(--accent-gold); color: var(--text-primary);
    border-radius: 50%; font-size: 1.125rem; font-weight: 700; line-height: 1;
    display: flex; align-items: center; justify-content: center;
    transition: transform var(--transition);
    flex-shrink: 0;
}
.header-deposit-btn:active { transform: scale(.9); }
.header-notify {
    position: relative; width: 34px; height: 34px;
    color: #fff; display: flex; align-items: center; justify-content: center;
}
.header-notify svg { width: 20px; height: 20px; }
.notify-badge {
    position: absolute; top: 4px; right: 3px;
    width: 14px; height: 14px;
    background: var(--danger); color: #fff;
    border-radius: 50%; font-size: 0.5625rem; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}

/* ─── Side menu ──────────────────────────────────────────────────── */
.side-menu {
    position: fixed; inset: 0; z-index: 200;
    visibility: hidden; pointer-events: none;
}
.side-menu[aria-hidden="false"] { visibility: visible; pointer-events: all; }
.side-menu-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,.52);
    opacity: 0; transition: opacity 0.28s ease;
    cursor: pointer; pointer-events: none;
}
.side-menu[aria-hidden="false"] .side-menu-overlay { opacity: 1; pointer-events: all; }

.side-menu-panel {
    position: absolute; top: 0; left: 0;
    width: min(272px, 82vw); height: 100%; height: 100dvh;
    background: var(--bg-surface);
    box-shadow: 4px 0 24px rgba(0,0,0,.22);
    display: flex; flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(.4,0,.2,1);
    will-change: transform; overflow: hidden;
}
.side-menu[aria-hidden="false"] .side-menu-panel { transform: translateX(0); }

.side-menu-header {
    display: flex; align-items: center; gap: 10px;
    padding: 0 14px;
    background-color: var(--primary);
    background-size: 100% 100%; background-repeat: no-repeat;
    color: #fff; font-weight: 700;
    min-height: var(--header-height); flex-shrink: 0;
}
.side-logo-img { height: 30px; width: auto; object-fit: contain; max-width: 110px; }
.side-close {
    margin-left: auto; color: #fff; font-size: 1rem;
    width: 30px; height: 30px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    transition: background var(--transition); flex-shrink: 0;
}
.side-close:hover { background: rgba(255,255,255,.2); }
.side-menu-list { padding: 8px 0; overflow-y: auto; flex: 1; -webkit-overflow-scrolling: touch; }
.side-menu-list li a,
.side-theme-btn {
    display: flex; align-items: center; gap: 12px;
    padding: 13px 18px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: background var(--transition), color var(--transition);
    width: 100%; text-align: left;
    border-bottom: 1px solid var(--border-light);
}
.side-menu-list li a svg, .side-theme-btn svg {
    width: 18px; height: 18px; flex-shrink: 0; color: var(--neutral-2);
}
.side-menu-list li a:hover, .side-menu-list li a.active, .side-theme-btn:hover {
    background: rgba(0,108,255,.06); color: var(--primary);
}
.side-menu-list li a:hover svg, .side-theme-btn:hover svg { color: var(--primary); }