.tdb-assistant-root {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 9999;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

.tdb-assistant-panel {
    position: absolute;
    right: 0;
    bottom: 4.35rem;
    width: min(24.5rem, calc(100vw - 1.5rem));
    height: min(32rem, calc(100dvh - 7rem));
    display: none;
    flex-direction: column;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 16px 48px rgba(20, 16, 8, 0.28);
    overflow: hidden;
    border: 1px solid rgba(112, 89, 7, 0.12);
    min-width: 0;
    max-width: calc(100vw - 1.5rem);
}

.tdb-assistant-root.is-open .tdb-assistant-panel {
    display: flex;
}

.tdb-assistant-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.95rem 1rem 0.8rem;
    background: linear-gradient(135deg, #3a2a0c 0%, #705907 100%);
    color: #fff;
    flex: 0 0 auto;
}

.tdb-assistant-head .tdb-assistant-kicker,
.tdb-assistant-head .tdb-assistant-title {
    color: #fff !important;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif !important;
}

.tdb-assistant-kicker {
    margin: 0;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.92;
}

.tdb-assistant-title {
    margin: 0.15rem 0 0;
    font-size: 1.05rem;
    font-weight: 700;
}

.tdb-assistant-x {
    border: 0;
    background: transparent;
    color: #fff;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 0.2rem;
}

.tdb-assistant-log {
    flex: 1 1 auto;
    min-height: 0;
    min-width: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 0.9rem 0.9rem 0.5rem;
    background: #faf7f1;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.tdb-assistant-bubble {
    max-width: 88%;
    min-width: 0;
    padding: 0.65rem 0.8rem;
    border-radius: 14px;
    font-size: 0.92rem;
    line-height: 1.45;
    color: #1b140c;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.tdb-assistant-bubble--assistant {
    align-self: flex-start;
    background: #fff;
    border: 1px solid rgba(112, 89, 7, 0.12);
    border-bottom-left-radius: 4px;
}

.tdb-assistant-bubble--user {
    align-self: flex-end;
    background: #705907;
    color: #fff;
    border-bottom-right-radius: 4px;
}

.tdb-assistant-bubble a.tdb-assistant-link {
    overflow-wrap: anywhere;
    word-break: break-all;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.tdb-assistant-bubble strong {
    font-weight: 700;
}

.tdb-assistant-bubble--assistant a.tdb-assistant-link {
    color: #705907;
    font-weight: 600;
    display: inline;
}

.tdb-assistant-bubble--user a.tdb-assistant-link {
    color: #fff;
}

.tdb-assistant-typing {
    opacity: 0.65;
}

.tdb-assistant-composer {
    flex: 0 0 auto;
    background: #fff;
    border-top: 1px solid rgba(112, 89, 7, 0.1);
    padding: 0.55rem 0.75rem 0.7rem;
}

.tdb-assistant-note {
    margin: 0 0 0.45rem;
    padding: 0;
    font-size: 0.75rem;
    line-height: 1.35;
    color: #6b6256;
    background: transparent;
}

.tdb-assistant-note a {
    color: #705907;
    font-weight: 600;
}

.tdb-assistant-form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0;
    background: transparent;
    border: 0;
}

.tdb-assistant-form input {
    flex: 1;
    min-width: 0;
    border: 1px solid rgba(112, 89, 7, 0.22);
    border-radius: 999px;
    padding: 0.7rem 0.95rem;
    font-size: 16px;
    line-height: 1.3;
    background: #faf7f1;
}

.tdb-assistant-form input:focus {
    outline: none;
    border-color: #705907;
    box-shadow: 0 0 0 3px rgba(112, 89, 7, 0.15);
}

.tdb-assistant-form button,
.tdb-assistant-send {
    flex: 0 0 auto;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: #705907;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.tdb-assistant-send svg {
    width: 1.2rem;
    height: 1.2rem;
    display: block;
    margin-left: 0.1rem;
}

.tdb-assistant-root .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.tdb-floating-chat {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.1rem;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, #7b5301 0%, #705907 100%);
    color: #fff;
    text-decoration: none;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(10, 19, 46, 0.22);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    cursor: pointer;
}

.tdb-floating-chat:hover,
.tdb-floating-chat:focus {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(10, 19, 46, 0.28);
}

.tdb-floating-chat-icon {
    width: 1.35rem;
    height: 1.35rem;
    fill: currentColor;
    flex-shrink: 0;
}

.tdb-floating-chat-label {
    line-height: 1;
}

html.tdb-chat-open,
html.tdb-chat-open body {
    overflow: hidden;
    overscroll-behavior: none;
}

@media (max-width: 640px) {
    .tdb-assistant-root {
        right: max(0.85rem, env(safe-area-inset-right));
        bottom: max(0.85rem, env(safe-area-inset-bottom));
    }

    .tdb-assistant-root.is-open {
        inset: 0;
        right: 0;
        bottom: 0;
        left: 0;
        background: rgba(20, 16, 8, 0.42);
    }

    .tdb-assistant-root.is-open .tdb-floating-chat {
        display: none;
    }

    .tdb-assistant-panel {
        position: fixed;
        left: 0;
        right: 0;
        top: var(--tdb-vv-top, 0px);
        bottom: auto;
        width: 100%;
        height: var(--tdb-vv-height, 100dvh);
        max-height: none;
        border-radius: 18px 18px 0 0;
        border: 0;
        box-shadow: 0 -8px 32px rgba(20, 16, 8, 0.28);
    }

    .tdb-assistant-x {
        min-width: 2.75rem;
        min-height: 2.75rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .tdb-assistant-head {
        align-items: center;
        padding: 0.75rem 0.9rem 0.7rem;
        padding-top: max(0.75rem, env(safe-area-inset-top));
    }

    .tdb-assistant-title {
        font-size: 1rem;
    }

    .tdb-assistant-composer {
        padding: 0.55rem 0.75rem max(0.7rem, env(safe-area-inset-bottom));
    }

    .tdb-assistant-root.is-kb .tdb-assistant-kicker {
        display: none;
    }

    .tdb-assistant-root.is-kb .tdb-assistant-head {
        padding: 0.5rem 0.85rem;
        padding-top: max(0.5rem, env(safe-area-inset-top));
    }

    .tdb-assistant-root.is-kb .tdb-assistant-note {
        display: none;
    }

    .tdb-assistant-root.is-kb .tdb-assistant-composer {
        padding-bottom: 0.55rem;
    }

    .tdb-floating-chat {
        padding: 0.9rem;
        border-radius: 50%;
        width: 3.35rem;
        height: 3.35rem;
        justify-content: center;
    }

    .tdb-floating-chat-label {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        border: 0;
    }
}

.tdb-chat-gate {
    min-height: 100dvh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 1.5rem 1.5rem 2.5rem;
    background: linear-gradient(160deg, #fdfbf7 0%, #f3ece0 100%);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    overflow-y: auto;
    box-sizing: border-box;
}

.tdb-chat-gate-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(10, 19, 46, 0.1);
    padding: 2rem 1.75rem 2.25rem;
    margin: auto 0;
}

.tdb-chat-gate-card h1 {
    font-size: 1.5rem;
    margin: 0 0 0.5rem;
    color: #0a132e;
}

.tdb-chat-gate-card p {
    color: #666;
    margin: 0 0 1.25rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.tdb-chat-gate-field {
    margin-bottom: 1rem;
}

.tdb-chat-gate-field label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: #333;
}

.tdb-chat-gate-field input {
    width: 100%;
    box-sizing: border-box;
    padding: 0.75rem 0.85rem;
    border: 1px solid rgba(123, 83, 1, 0.25);
    border-radius: 10px;
    font-size: 1rem;
}

.tdb-chat-gate-field input:focus {
    outline: none;
    border-color: #7b5301;
    box-shadow: 0 0 0 3px rgba(123, 83, 1, 0.15);
}

.tdb-chat-gate-error {
    background: #fff3f3;
    color: #a33;
    border: 1px solid #f5c2c2;
    border-radius: 10px;
    padding: 0.75rem 0.85rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.tdb-chat-gate-submit {
    width: 100%;
    border: none;
    border-radius: 10px;
    padding: 0.85rem 1rem;
    background: #705907;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

.tdb-chat-gate-submit:hover {
    background: #7b5301;
}

.tdb-chat-gate-note {
    margin-top: 1rem;
    font-size: 0.82rem;
    color: #888;
    line-height: 1.45;
}

.tdb-chat-gate-back {
    display: inline-block;
    margin-top: 1rem;
    color: #705907;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}

.tdb-chat-gate-nav {
    margin-bottom: 1rem;
}

.tdb-chat-gate-back-top {
    margin-top: 0;
}

.tdb-chat-gate-back-after-error {
    display: inline-block;
    margin: 0 0 1rem;
    font-weight: 600;
}

.tdb-chat-closed-card {
    text-align: center;
}

.tdb-chat-closed-badge {
    display: inline-block;
    margin-bottom: 0.75rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: #eef6ee;
    color: #2d6a2d;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}