.forum-chatbot {
    --cb-bg: #ffffff;
    --cb-ink: #1a2e28;
    --cb-muted: #5c6f68;
    --cb-primary: #007a5e;
    --cb-primary-dark: #005c47;
    --cb-surface: #f4f8f6;
    --cb-border: rgba(0, 90, 70, 0.12);
    --cb-shadow: 0 18px 50px rgba(0, 45, 35, 0.18);
    position: fixed;
    right: max(1.25rem, env(safe-area-inset-right));
    bottom: max(1.25rem, env(safe-area-inset-bottom));
    z-index: 1050;
    font-family: var(--font-sans, 'DM Sans', system-ui, sans-serif);
}

.forum-chatbot__toggle {
    width: 3.5rem;
    height: 3.5rem;
    border: 0;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--cb-primary), var(--cb-primary-dark));
    color: #fff;
    box-shadow: var(--cb-shadow);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.forum-chatbot__toggle:hover,
.forum-chatbot__toggle:focus-visible {
    transform: translateY(-2px) scale(1.03);
    outline: none;
}

.forum-chatbot__toggle i {
    font-size: 1.45rem;
}

.forum-chatbot__panel {
    position: absolute;
    right: 0;
    bottom: calc(3.5rem + 0.75rem);
    width: min(24rem, calc(100vw - 2rem));
    height: min(32rem, calc(100vh - 6.5rem));
    background: var(--cb-bg);
    border: 1px solid var(--cb-border);
    border-radius: 1.25rem;
    box-shadow: var(--cb-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(0.98);
    transform-origin: bottom right;
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
}

.forum-chatbot.is-open .forum-chatbot__panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.forum-chatbot__header {
    padding: 0.95rem 1rem;
    background: linear-gradient(135deg, #005c47 0%, #007a5e 55%, #0a8f6e 100%);
    color: #fff;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.forum-chatbot__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.forum-chatbot__subtitle {
    margin: 0.2rem 0 0;
    font-size: 0.78rem;
    opacity: 0.9;
}

.forum-chatbot__close {
    border: 0;
    background: transparent;
    color: #fff;
    opacity: 0.85;
    font-size: 1.2rem;
    line-height: 1;
    padding: 0.15rem;
    cursor: pointer;
}

.forum-chatbot__close:hover {
    opacity: 1;
}

.forum-chatbot__messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    background:
        radial-gradient(ellipse at top left, rgba(0, 122, 94, 0.06), transparent 50%),
        var(--cb-surface);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.forum-chatbot__bubble {
    max-width: 88%;
    padding: 0.7rem 0.9rem;
    border-radius: 1rem;
    font-size: 0.92rem;
    line-height: 1.45;
    white-space: pre-wrap;
    word-break: break-word;
}

.forum-chatbot__bubble--bot {
    align-self: flex-start;
    background: #fff;
    color: var(--cb-ink);
    border: 1px solid var(--cb-border);
    border-bottom-left-radius: 0.35rem;
}

.forum-chatbot__bubble--user {
    align-self: flex-end;
    background: var(--cb-primary);
    color: #fff;
    border-bottom-right-radius: 0.35rem;
}

.forum-chatbot__bubble--system {
    align-self: center;
    max-width: 100%;
    background: transparent;
    color: var(--cb-muted);
    font-size: 0.8rem;
    text-align: center;
    padding: 0.25rem 0.5rem;
}

.forum-chatbot__footer {
    border-top: 1px solid var(--cb-border);
    padding: 0.75rem;
    background: #fff;
}

.forum-chatbot__form {
    display: flex;
    gap: 0.45rem;
    align-items: center;
}

.forum-chatbot__input {
    flex: 1;
    border: 1px solid var(--cb-border);
    border-radius: 999px;
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    color: var(--cb-ink);
    background: var(--cb-surface);
    outline: none;
}

.forum-chatbot__input:focus {
    border-color: rgba(0, 122, 94, 0.45);
    box-shadow: 0 0 0 3px rgba(0, 122, 94, 0.12);
}

.forum-chatbot__btn {
    width: 2.6rem;
    height: 2.6rem;
    border: 0;
    border-radius: 50%;
    display: grid;
    place-items: center;
    cursor: pointer;
    color: #fff;
    background: var(--cb-primary);
    flex-shrink: 0;
    transition: background 0.15s ease, transform 0.15s ease;
}

.forum-chatbot__btn:hover:not(:disabled) {
    background: var(--cb-primary-dark);
}

.forum-chatbot__btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.forum-chatbot__btn--mic {
    background: #1a2e28;
}

.forum-chatbot__btn--mic.is-recording {
    background: #b42318;
    animation: forum-chatbot-pulse 1.1s ease-in-out infinite;
}

.forum-chatbot__hint {
    margin: 0.45rem 0 0;
    font-size: 0.72rem;
    color: var(--cb-muted);
    text-align: center;
}

.forum-chatbot__typing {
    align-self: flex-start;
    display: inline-flex;
    gap: 0.28rem;
    padding: 0.65rem 0.85rem;
    background: #fff;
    border: 1px solid var(--cb-border);
    border-radius: 1rem;
}

.forum-chatbot__typing span {
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 50%;
    background: var(--cb-primary);
    opacity: 0.45;
    animation: forum-chatbot-dot 1s infinite ease-in-out;
}

.forum-chatbot__typing span:nth-child(2) { animation-delay: 0.15s; }
.forum-chatbot__typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes forum-chatbot-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(180, 35, 24, 0.45); }
    50% { box-shadow: 0 0 0 10px rgba(180, 35, 24, 0); }
}

@keyframes forum-chatbot-dot {
    0%, 80%, 100% { transform: translateY(0); opacity: 0.35; }
    40% { transform: translateY(-3px); opacity: 1; }
}

@media (max-width: 480px) {
    .forum-chatbot {
        right: max(0.85rem, env(safe-area-inset-right));
        bottom: max(0.85rem, env(safe-area-inset-bottom));
    }

    .forum-chatbot__panel {
        width: calc(100vw - 1.7rem - env(safe-area-inset-left) - env(safe-area-inset-right));
        height: min(70vh, 30rem);
    }
}

@media (prefers-reduced-motion: reduce) {
    .forum-chatbot__panel,
    .forum-chatbot__toggle,
    .forum-chatbot__btn--mic.is-recording,
    .forum-chatbot__typing span {
        transition: none !important;
        animation: none !important;
    }
}