.assistant-fab {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 40;
    width: 56px;
    height: 56px;
    border: 1px solid rgba(212, 175, 55, 0.45);
    border-radius: 50%;
    background: linear-gradient(180deg, #d4af37, #aa8c2c);
    color: #1a1008;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35), 0 0 22px rgba(212, 175, 55, 0.22);
    cursor: pointer;
    display: grid;
    place-items: center;
    font-size: 22px;
    transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.assistant-fab:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.4), 0 0 26px rgba(212, 175, 55, 0.3);
}

.assistant-fab[hidden],
.assistant-drawer[hidden],
.assistant-drawer-scrim[hidden] {
    display: none;
}

body.assistant-drawer-open .assistant-fab {
    opacity: 0;
    pointer-events: none;
}

.assistant-drawer-scrim {
    position: fixed;
    inset: 0;
    z-index: 44;
    background: rgba(8, 6, 6, 0.45);
    backdrop-filter: blur(3px);
}

.assistant-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 45;
    width: min(460px, 100vw);
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: #0c0a09;
    border-left: 1px solid rgba(212, 175, 55, 0.28);
    box-shadow: -18px 0 40px rgba(0, 0, 0, 0.45);
}

.assistant-drawer-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.16);
    color: #d4af37;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.assistant-drawer-head span {
    flex: 1;
}

.assistant-drawer-head a,
.assistant-drawer-head button {
    border: 1px solid rgba(212, 175, 55, 0.22);
    background: rgba(12, 10, 9, 0.65);
    color: #d4af37;
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: inline-grid;
    place-items: center;
    cursor: pointer;
    text-decoration: none;
}

.assistant-drawer-head a:hover,
.assistant-drawer-head button:hover {
    border-color: rgba(212, 175, 55, 0.55);
}

.assistant-drawer iframe {
    flex: 1;
    width: 100%;
    border: 0;
    background: #0c0a09;
}

@media (max-width: 640px) {
    .assistant-drawer { width: 100vw; }
}