.help-chat-fab {
    position: fixed;
    z-index: 1040;
    right: max(1.15rem, env(safe-area-inset-right, 0px));
    bottom: max(1.15rem, env(safe-area-inset-bottom, 0px));
    width: 3.35rem;
    height: 3.35rem;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent, #ea580c);
    color: #fff;
    font-size: 1.35rem;
    box-shadow: 0 4px 16px rgba(234, 88, 12, 0.4), 0 2px 6px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
body:has(.wa-floating-btn) .help-chat-fab {
    bottom: max(4.85rem, calc(env(safe-area-inset-bottom, 0px) + 3.7rem));
}
.help-chat-fab:hover {
    transform: scale(1.05);
    color: #fff;
}
.help-chat-fab.is-open {
    background: #64748b;
}
.help-chat-panel {
    position: fixed;
    z-index: 1041;
    right: max(1rem, env(safe-area-inset-right, 0px));
    bottom: max(1rem, env(safe-area-inset-bottom, 0px));
    width: min(22rem, calc(100vw - 1.5rem));
    max-height: min(32rem, calc(100vh - 2rem));
    display: none;
    flex-direction: column;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg, #fff);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.18);
    overflow: hidden;
}
body:has(.wa-floating-btn) .help-chat-panel {
    bottom: max(4.85rem, calc(env(safe-area-inset-bottom, 0px) + 3.7rem));
}
.help-chat-panel.is-open {
    display: flex;
}
.help-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.75rem 0.9rem;
    background: linear-gradient(135deg, rgba(234, 88, 12, 0.12), transparent);
    border-bottom: 1px solid var(--border);
}
.help-chat-header strong {
    font-size: var(--text-sm);
}
.help-chat-header span {
    display: block;
    font-size: var(--text-xs);
    color: var(--muted);
    font-weight: 400;
}
.help-chat-close {
    border: none;
    background: transparent;
    color: var(--muted);
    font-size: 1.1rem;
    line-height: 1;
    padding: 0.2rem;
}
.help-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    font-size: var(--text-sm);
    line-height: 1.45;
}
.help-chat-msg {
    max-width: 92%;
    padding: 0.55rem 0.7rem;
    border-radius: 10px;
}
.help-chat-msg.bot {
    align-self: flex-start;
    background: var(--bg);
    border: 1px solid var(--border);
}
.help-chat-msg.user {
    align-self: flex-end;
    background: rgba(234, 88, 12, 0.12);
    border: 1px solid rgba(234, 88, 12, 0.25);
}
.help-chat-msg a {
    font-weight: 600;
}
.help-chat-links {
    margin-top: 0.45rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}
.help-chat-links a {
    font-size: var(--text-xs);
    text-decoration: none;
    padding: 0.2rem 0.45rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fff;
}
[data-theme="dark"] .help-chat-links a {
    background: #0f172a;
}
.help-chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.35rem;
}
.help-chat-suggestions button {
    font-size: var(--text-xs);
    border: 1px solid var(--border);
    background: transparent;
    border-radius: 999px;
    padding: 0.25rem 0.5rem;
    color: var(--text);
    cursor: pointer;
}
.help-chat-suggestions button:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.help-chat-form {
    display: flex;
    gap: 0.4rem;
    padding: 0.65rem 0.75rem;
    border-top: 1px solid var(--border);
    background: var(--bg);
}
.help-chat-form input {
    flex: 1;
    font-size: var(--text-sm);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.45rem 0.55rem;
    background: inherit;
    color: var(--text);
}
.help-chat-form button {
    border: none;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    padding: 0.45rem 0.7rem;
    font-size: var(--text-sm);
}
.help-chat-form button:disabled {
    opacity: 0.6;
    cursor: wait;
}
body.play-mode .help-chat-fab,
body.play-mode .help-chat-panel {
    display: none !important;
}
@media print {
    .help-chat-fab,
    .help-chat-panel { display: none !important; }
}