.chatbot-panel {
    position: fixed;
    left: calc(24px + env(safe-area-inset-left, 0px));
    bottom: calc(96px + env(safe-area-inset-bottom, 0px));
    width: 368px;
    max-width: calc(100vw - 32px);
    height: min(560px, calc(100vh - 140px));
    background: #111111;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.04);
    z-index: 10001;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: translateY(16px) scale(0.98);
    pointer-events: none;
    transition: opacity 0.22s ease, transform 0.22s ease;
}
.chatbot-panel.chatbot-panel--open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}
.chatbot-panel[hidden] {
    display: flex; /* keep transition-able; JS toggles chatbot-panel--open instead */
}

/* ── Header ── */
.chatbot-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 16px 16px 14px;
    background: var(--col-black, #0d0d0d);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}
.chatbot-panel-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}
.chatbot-panel-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #3ecf6a;
    flex-shrink: 0;
    box-shadow: 0 0 0 3px rgba(62, 207, 106, 0.18);
}
.chatbot-panel-title {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 0.92rem;
    color: #f5f5f5;
    margin: 0;
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chatbot-panel-subtitle {
    font-family: 'Inter', sans-serif;
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.4);
    margin: 1px 0 0;
}
.chatbot-panel-close {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.chatbot-panel-close:hover {
    background: rgba(255, 255, 255, 0.12);
    color: white;
}

/* ── Messages ── */
.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #161616;
}
.chatbot-message {
    max-width: 84%;
    font-family: 'Inter', sans-serif;
    font-size: 0.84rem;
    line-height: 1.55;
    padding: 10px 13px;
    border-radius: 12px;
    word-wrap: break-word;
}
.chatbot-message p {
    margin: 0;
}
.chatbot-message--bot {
    align-self: flex-start;
    background: #232323;
    color: rgba(255, 255, 255, 0.88);
    border-bottom-left-radius: 3px;
}
.chatbot-message--user {
    align-self: flex-end;
    background: var(--theme-primary, #333);
    color: white;
    border-bottom-right-radius: 3px;
}
.chatbot-message--error {
    align-self: flex-start;
    background: rgba(244, 67, 54, 0.12);
    color: #ffcdd2;
    border: 1px solid rgba(244, 67, 54, 0.25);
}

/* ── Typing indicator ── */
.chatbot-typing {
    display: flex;
    gap: 4px;
    padding: 0 16px 10px;
    background: #161616;
    flex-shrink: 0;
}
.chatbot-typing span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    animation: chatbot-bounce 1.2s infinite ease-in-out;
}
.chatbot-typing span:nth-child(2) { animation-delay: 0.15s; }
.chatbot-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes chatbot-bounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-4px); opacity: 1; }
}

/* ── Input row ── */
.chatbot-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--col-black, #0d0d0d);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}
.chatbot-input-row input {
    flex: 1;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    padding: 10px 16px;
    outline: none;
    min-width: 0;
    transition: border-color 0.2s, background 0.2s;
}
.chatbot-input-row input::placeholder {
    color: rgba(255, 255, 255, 0.32);
}
.chatbot-input-row input:focus {
    border-color: var(--theme-primary, rgba(255, 255, 255, 0.4));
    background: rgba(255, 255, 255, 0.09);
}
.chatbot-send-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: none;
    background: var(--theme-primary, #333);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: pointer;
    transition: transform 0.15s, opacity 0.15s;
}
.chatbot-send-btn:hover {
    transform: scale(1.06);
}
.chatbot-send-btn:disabled {
    opacity: 0.5;
    cursor: default;
    transform: none;
}

/* ── Mobile: near-fullscreen bottom sheet ── */
@media (max-width: 480px) {
    .chatbot-panel {
        left: 12px;
        right: 12px;
        bottom: calc(88px + env(safe-area-inset-bottom, 0px));
        width: auto;
        max-width: none;
        height: min(72vh, 620px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .chatbot-panel { transition: none; }
    .chatbot-typing span { animation: none; }
}