.ai-assistant-shell {
    --ai-accent: #2563eb;
    --ai-navy: #173b70;
    --ai-border: #d8e2ef;
    --ai-muted: #61738a;
    --ai-surface: #ffffff;
    position: relative;
    z-index: 1300;
}

body:has(.pwa-update-toast) .ai-assistant-shell:has(.ai-assistant-panel[hidden]) {
    z-index: 80;
}

.ai-assistant-shell .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.ai-assistant-trigger {
    position: fixed;
    right: max(26px, env(safe-area-inset-right));
    bottom: max(26px, env(safe-area-inset-bottom));
    z-index: 1301;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-height: 48px;
    padding: 7px 16px 7px 8px;
    border: 1px solid rgba(255, 255, 255, .78);
    border-radius: 16px;
    background: var(--ai-accent);
    box-shadow: 0 14px 36px rgba(37, 99, 235, .3), 0 0 0 5px rgba(255, 255, 255, .82);
    color: #fff;
    font: inherit;
    font-weight: 750;
    cursor: pointer;
}

.ai-assistant-trigger-icon,
.ai-assistant-mark {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border-radius: 11px;
    background: rgba(255, 255, 255, .16);
}

.ai-assistant-trigger svg,
.ai-assistant-mark svg,
.ai-assistant-icon-button svg,
.ai-assistant-composer button svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ai-assistant-trigger:focus-visible,
.ai-assistant-icon-button:focus-visible,
.ai-assistant-composer :focus-visible,
.ai-assistant-history button:focus-visible,
.ai-assistant-navigation-card:focus-visible {
    outline: 3px solid rgba(37, 99, 235, .32);
    outline-offset: 3px;
}

.ai-assistant-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1302;
    border: 0;
    background: rgba(15, 35, 61, .28);
    backdrop-filter: blur(2px);
}

.ai-assistant-panel {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1303;
    display: flex;
    width: min(460px, 100%);
    height: 100dvh;
    flex-direction: column;
    border: 0;
    border-left: 1px solid var(--ai-border);
    background: #f7faff;
    box-shadow: -24px 0 64px rgba(20, 36, 59, .18);
    color: #14243b;
    animation: ai-assistant-enter .22s ease-out;
}

.ai-assistant-panel[hidden],
.ai-assistant-backdrop[hidden] {
    display: none !important;
}

.ai-assistant-header {
    display: flex;
    min-height: 74px;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: max(12px, env(safe-area-inset-top)) 16px 12px;
    border-bottom: 1px solid var(--ai-border);
    background: var(--ai-surface);
}

.ai-assistant-heading,
.ai-assistant-header-actions {
    display: flex;
    align-items: center;
}

.ai-assistant-heading {
    gap: 10px;
}

.ai-assistant-heading .ai-assistant-mark,
.ai-assistant-welcome .ai-assistant-mark {
    flex: 0 0 auto;
    background: var(--ai-accent);
    color: #fff;
}

.ai-assistant-heading > span:last-child {
    display: grid;
    gap: 2px;
}

.ai-assistant-heading strong {
    font-size: 15px;
}

.ai-assistant-heading small {
    color: var(--ai-muted);
    font-size: 11px;
}

.ai-assistant-topic-badge {
    display: inline-flex;
    width: fit-content;
    margin-top: 4px;
    padding: 2px 7px;
    border-radius: 999px;
    background: #e8f0ff;
    color: var(--ai-blue);
    font-size: 10px;
    line-height: 1.4;
}

.ai-assistant-topic-picker {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    width: 100%;
    margin-top: 12px;
}

.ai-assistant-topic-picker button {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    align-items: center;
    align-content: start;
    gap: 7px;
    min-width: 0;
    min-height: 104px;
    padding: 16px;
    border: 1px solid #bfd3f5;
    border-radius: 13px;
    background: linear-gradient(145deg, #fff 0%, #edf4ff 100%);
    color: var(--ai-navy);
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.ai-assistant-topic-picker button:hover,
.ai-assistant-topic-picker button:focus-visible {
    border-color: var(--ai-blue);
    box-shadow: 0 0 0 3px rgb(42 103 235 / 14%);
    outline: 0;
}

.ai-assistant-topic-picker b {
    font-size: 15px;
}

.ai-assistant-topic-picker button > span:not(.ai-assistant-topic-icon) {
    grid-column: 1 / -1;
    color: var(--ai-muted);
    font-size: 12px;
    line-height: 1.4;
}

.ai-assistant-topic-icon {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    margin-bottom: 0;
    border-radius: 10px;
    background: #e5efff;
    color: var(--ai-blue);
}

.ai-assistant-topic-icon svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

@media (max-width: 430px) {
    .ai-assistant-topic-picker {
        grid-template-columns: 1fr;
    }

    .ai-assistant-topic-picker button {
        min-height: 104px;
    }
}

.ai-assistant-heading small i {
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 4px;
    border-radius: 50%;
    background: #1a9b68;
}

.ai-assistant-header-actions {
    gap: 6px;
}

.ai-assistant-icon-button {
    display: grid;
    width: 44px;
    min-height: 44px;
    place-items: center;
    border: 1px solid var(--ai-border);
    border-radius: 13px;
    background: #fff;
    color: var(--ai-navy);
    cursor: pointer;
}

.ai-assistant-body,
.ai-assistant-chat {
    min-height: 0;
    flex: 1;
}

.ai-assistant-body {
    position: relative;
    display: flex;
    overflow: hidden;
}

.ai-assistant-chat {
    display: flex;
    width: 100%;
    flex-direction: column;
}

.ai-assistant-history {
    position: absolute;
    inset: 0;
    z-index: 2;
    overflow: auto;
    padding: 18px;
    background: #f7faff;
}

.ai-assistant-history-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.ai-assistant-history-head button {
    min-height: 44px;
    padding: 0 14px;
    border: 0;
    border-radius: 12px;
    background: var(--ai-navy);
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.ai-assistant-history-list {
    display: grid;
    gap: 8px;
}

.ai-assistant-history-item {
    display: grid;
    width: 100%;
    min-height: 58px;
    gap: 4px;
    padding: 11px 13px;
    border: 1px solid var(--ai-border);
    border-radius: 13px;
    background: #fff;
    color: #14243b;
    text-align: left;
    cursor: pointer;
}

.ai-assistant-history-item.is-active {
    border-color: var(--ai-accent);
    box-shadow: inset 3px 0 var(--ai-accent);
}

.ai-assistant-history-item span {
    overflow: hidden;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ai-assistant-history-item small,
.ai-assistant-empty,
.ai-assistant-status {
    color: var(--ai-muted);
}

.ai-assistant-messages {
    min-height: 0;
    flex: 1;
    overflow: auto;
    padding: 22px 18px;
    overscroll-behavior: contain;
}

.ai-assistant-welcome {
    display: grid;
    max-width: 360px;
    justify-items: center;
    gap: 9px;
    margin: min(18vh, 120px) auto 0;
    color: var(--ai-muted);
    text-align: center;
}

.ai-assistant-welcome-mark {
    width: 48px;
    height: 48px;
    margin-bottom: 4px;
    border-radius: 15px;
    box-shadow: 0 10px 24px rgb(42 103 235 / 22%);
}

.ai-assistant-welcome-active {
    margin-top: 24px;
    width: 100%;
}

.ai-assistant-start-actions,
.ai-assistant-start-form {
    display: grid;
    gap: 12px;
    width: 100%;
    min-width: 0;
    text-align: left;
}

.ai-assistant-start-actions button {
    min-height: 44px;
    padding: 12px 14px;
    border: 1px solid var(--ai-border);
    border-radius: 12px;
    background: #fff;
    color: var(--ai-navy);
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.ai-assistant-start-actions button:focus-visible {
    outline: 2px solid var(--ai-accent);
    outline-offset: 2px;
}

.ai-assistant-start-form {
    box-sizing: border-box;
    padding: 16px;
    border: 1px solid var(--ai-border);
    border-radius: 14px;
    background: #fff;
}

.ai-assistant-start-form label {
    display: grid;
    gap: 6px;
    min-width: 0;
    color: var(--ai-navy);
    font-size: 13px;
}

.ai-assistant-start-form details label {
    margin-top: 12px;
}

.ai-assistant-start-form summary {
    padding: 10px 0;
    cursor: pointer;
    color: var(--ai-blue);
}

.ai-assistant-composer textarea {
    overflow-y: hidden;
}

.ai-assistant-welcome-mark svg {
    width: 25px;
    height: 25px;
}

.ai-assistant-welcome strong {
    color: #14243b;
    font-size: 18px;
}

.ai-assistant-welcome p {
    margin: 0;
    line-height: 1.55;
}

.ai-assistant-message {
    display: grid;
    max-width: 88%;
    gap: 8px;
    margin-bottom: 12px;
    padding: 11px 13px;
    border: 1px solid var(--ai-border);
    border-radius: 15px 15px 15px 5px;
    background: #fff;
    line-height: 1.5;
    overflow-wrap: anywhere;
    white-space: pre-wrap;
}

.ai-assistant-message.is-user {
    margin-left: auto;
    border-color: var(--ai-accent);
    border-radius: 15px 15px 5px 15px;
    background: var(--ai-accent);
    color: #fff;
}

.ai-assistant-navigation-card {
    display: flex;
    min-height: 44px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 11px;
    background: #edf4ff;
    color: var(--ai-navy);
    font-weight: 750;
    text-decoration: none;
}

.ai-assistant-search-results {
    display: grid;
    gap: 8px;
    margin-top: 10px;
}

.ai-assistant-search-result {
    display: grid;
    gap: 4px;
    padding: 11px 12px;
    border: 1px solid #bfd3f5;
    border-radius: 12px;
    background: #f4f8ff;
    color: #173768;
}

.ai-assistant-search-result:hover,
.ai-assistant-search-result:focus-visible {
    border-color: var(--ai-blue);
    outline: 0;
}

.ai-assistant-search-result span {
    color: #253a57;
    font-size: 12px;
}

.ai-assistant-search-result small {
    color: var(--ai-muted);
    font-size: 11px;
}

.ai-assistant-search-actions {
    display: flex;
    gap: 8px;
    margin-top: 3px;
}

.ai-assistant-search-actions button,
.ai-assistant-search-actions a {
    min-height: 36px;
    padding: 8px 11px;
    border: 1px solid #9db5d8;
    border-radius: 9px;
    background: #fff;
    color: var(--ai-navy);
    font: inherit;
    font-size: 11px;
    font-weight: 750;
    text-decoration: none;
    cursor: pointer;
}

.ai-assistant-booking-card {
    display: grid;
    gap: 12px;
    padding: 13px;
    border: 1px solid #bfd3f5;
    border-radius: 13px;
    background: linear-gradient(145deg, #f6f9ff 0%, #eaf2ff 100%);
    color: #14243b;
    white-space: normal;
}

.ai-assistant-booking-card > strong {
    color: var(--ai-navy);
    font-size: 14px;
}

.ai-assistant-booking-card dl {
    display: grid;
    grid-template-columns: minmax(84px, .8fr) minmax(0, 1.2fr);
    gap: 6px 10px;
    margin: 0;
    font-size: 12px;
}

.ai-assistant-booking-card dt {
    color: var(--ai-muted);
}

.ai-assistant-booking-card dd {
    margin: 0;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.ai-assistant-confirm-button {
    min-height: 44px;
    padding: 10px 14px;
    border: 0;
    border-radius: 11px;
    background: var(--ai-navy);
    color: #fff;
    font: inherit;
    font-weight: 750;
    cursor: pointer;
}

.ai-assistant-confirm-button:disabled {
    cursor: default;
    opacity: .62;
}

.ai-assistant-client-match {
    display: grid;
    gap: 9px;
    padding: 11px;
    border: 1px solid #f0c36a;
    border-radius: 11px;
    background: #fff9e9;
}

.ai-assistant-client-match > strong {
    color: #7a4b00;
    font-size: 13px;
}

.ai-assistant-client-match dl {
    grid-template-columns: minmax(96px, .85fr) minmax(0, 1.15fr);
}

.ai-assistant-client-match > small {
    color: #7a4b00;
    font-weight: 750;
}

.ai-assistant-client-history {
    display: grid;
    gap: 5px;
    margin: 0;
    padding: 0;
    color: #33465f;
    font-size: 11px;
    list-style: none;
}

.ai-assistant-client-question {
    margin: 0;
    color: #14243b;
    font-size: 13px;
    font-weight: 750;
}

.ai-assistant-client-actions {
    display: grid;
    gap: 8px;
}

.ai-assistant-confirm-button.is-secondary {
    border: 1px solid #9db5d8;
    background: #fff;
    color: var(--ai-navy);
}

.ai-assistant-cancel-card {
    border-color: #f0aaa4;
    background: #fff4f2;
}

.ai-assistant-cancel-card p {
    margin: 0;
    color: #34445b;
    font-size: 12px;
}

.ai-assistant-cancel-card small {
    color: #8f2922;
}

.ai-assistant-confirm-button.is-danger {
    background: #c9352c;
}

.ai-assistant-booking-card.is-confirmed {
    border-color: #9bd4bc;
    background: #edf9f3;
}

.ai-assistant-ticket-card b {
    color: #14243b;
    font-size: 13px;
}

.ai-assistant-ticket-card p {
    display: -webkit-box;
    overflow: hidden;
    margin: 0;
    color: #33465f;
    font-size: 12px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

.ai-assistant-ticket-card small {
    color: var(--ai-muted);
}

.ai-assistant-status {
    min-height: 20px;
    margin: 0;
    padding: 0 18px 5px;
    font-size: 12px;
}

.ai-assistant-status.is-error {
    color: #b42318;
}

.ai-assistant-suggestions {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 0 12px 10px;
    scrollbar-width: thin;
    flex-shrink: 0;
    min-width: 0;
}

.ai-assistant-suggestions[data-replies="true"] {
    box-sizing: border-box;
    flex-wrap: wrap;
    max-height: min(164px, 25dvh);
    overflow-x: hidden;
    overflow-y: auto;
}

.ai-assistant-choice-label {
    flex-basis: 100%;
}

.ai-assistant-suggestions[hidden] {
    display: none;
}

.ai-assistant-suggestion {
    flex: 0 0 auto;
    min-height: 44px;
    max-width: 100%;
}

.ai-assistant-suggestions[data-replies="true"] .ai-assistant-suggestion {
    white-space: normal;
    overflow-wrap: anywhere;
}

.ai-assistant-next-step {
    display: grid;
    gap: 4px;
    margin-top: 10px;
    padding: 11px 12px;
    border: 1px solid #bfd3f5;
    border-radius: 12px;
    background: #eef5ff;
    color: var(--ai-navy);
    white-space: normal;
}

.ai-assistant-next-step strong {
    font-size: 12px;
}

.ai-assistant-next-step span {
    color: var(--ai-muted);
    font-size: 12px;
    line-height: 1.45;
}

.ai-assistant-retry {
    min-height: 44px;
    margin-left: 5px;
    padding: 4px 10px;
    border: 1px solid currentColor;
    border-radius: 9px;
    background: transparent;
    color: inherit;
    font: inherit;
    font-weight: 750;
    cursor: pointer;
}

.ai-assistant-composer {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 10px 12px max(12px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--ai-border);
    background: #fff;
}

.ai-assistant-composer textarea {
    width: 100%;
    min-height: 44px;
    max-height: 132px;
    resize: none;
    padding: 11px 13px;
    border: 1px solid var(--ai-border);
    border-radius: 13px;
    background: #f9fbfe;
    color: #14243b;
    font: inherit;
    line-height: 1.4;
}

.ai-assistant-composer button {
    display: grid;
    width: 44px;
    min-width: 44px;
    min-height: 44px;
    place-items: center;
    border: 0;
    border-radius: 13px;
    background: var(--ai-accent);
    color: #fff;
    cursor: pointer;
}

.ai-assistant-composer button:disabled,
.ai-assistant-composer textarea:disabled {
    cursor: wait;
    opacity: .62;
}

body.ai-assistant-open {
    overflow: hidden;
}

@keyframes ai-assistant-enter {
    from { transform: translateX(24px); opacity: .65; }
    to { transform: translateX(0); opacity: 1; }
}

@media (min-width: 721px) {
    .ai-assistant-trigger {
        transition: transform .2s ease;
    }
    .ai-assistant-trigger.is-peeking:not(:focus-visible):not([aria-expanded="true"]) {
        transform: translateX(calc(100% - 44px + max(26px, env(safe-area-inset-right))));
    }
}

@media (max-width: 720px) {
    .ai-assistant-trigger {
        right: max(14px, env(safe-area-inset-right));
        bottom: calc(var(--mobile-bottom-nav-height, 76px) + env(safe-area-inset-bottom) + 16px);
        box-sizing: border-box;
        width: 48px;
        height: 48px;
        min-height: 44px;
        padding: 7px;
        gap: 0;
        justify-content: center;
        border-radius: 15px;
    }

    .ai-assistant-trigger > span:last-child {
        display: none;
    }

    .ai-assistant-trigger-icon {
        width: 32px;
        height: 32px;
    }

    .ai-assistant-panel {
        width: 100%;
        max-width: none;
        border-left: 0;
    }

    .ai-assistant-suggestion {
        min-height: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ai-assistant-trigger { transition: none; }
    .ai-assistant-panel {
        animation: none;
    }
}