:root {
    --iku-blue: #06458f;
    --iku-blue-dark: #04336b;
    --iku-blue-light: #eaf3ff;
    --iku-blue-border: #bfd8f5;
    --iku-ink: #111827;
    --iku-muted: #5b6778;
    --iku-white: #ffffff;
    --iku-danger: #9f1239;
    --iku-success: #166534;
    --iku-shadow: 0 24px 70px rgba(4, 51, 107, 0.24);
}

.iku-root,
.iku-root * {
    box-sizing: border-box;
}

.iku-root {
    position: fixed;
    right: max(16px, env(safe-area-inset-right));
    bottom: max(16px, env(safe-area-inset-bottom));
    z-index: 1400;
    color: var(--iku-ink);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 14px;
    line-height: 1.48;
}

.iku-root button,
.iku-root input,
.iku-root select,
.iku-root textarea {
    font: inherit;
}

.iku-launcher {
    position: relative;
    display: grid;
    width: 64px;
    height: 64px;
    place-items: center;
    padding: 2px;
    overflow: hidden;
    border: 2px solid var(--iku-white);
    border-radius: 50%;
    background: var(--iku-blue-light);
    box-shadow: 0 14px 36px rgba(4, 51, 107, 0.3);
    cursor: pointer;
}

.iku-launcher:hover {
    transform: translateY(-2px);
}

.iku-launcher:focus-visible,
.iku-root button:focus-visible,
.iku-root input:focus-visible,
.iku-root select:focus-visible,
.iku-root textarea:focus-visible,
.iku-root a:focus-visible,
.iku-log:focus-visible {
    outline: 3px solid #f59e0b;
    outline-offset: 3px;
}

.iku-unread {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 13px;
    height: 13px;
    border: 2px solid var(--iku-white);
    border-radius: 50%;
    background: #dc2626;
}

.iku-greeting {
    position: absolute;
    right: 0;
    bottom: 76px;
    display: flex;
    width: min(290px, calc(100vw - 32px));
    align-items: flex-start;
    gap: 8px;
    padding: 13px 12px 13px 15px;
    border: 1px solid var(--iku-blue-border);
    border-radius: 18px 18px 5px;
    background: var(--iku-white);
    box-shadow: var(--iku-shadow);
}

.iku-greeting p {
    margin: 0;
}

.iku-greeting button {
    min-width: 32px;
    min-height: 32px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--iku-muted);
    cursor: pointer;
}

.iku-panel {
    position: absolute;
    right: 0;
    bottom: 78px;
    display: grid;
    width: clamp(340px, 29vw, 400px);
    max-width: calc(100vw - 32px);
    height: min(720px, calc(100vh - 110px));
    max-height: calc(100vh - 32px);
    grid-template-rows: auto auto auto minmax(120px, 1fr) auto auto auto;
    overflow: hidden;
    border: 1px solid var(--iku-blue-border);
    border-radius: 24px;
    background: var(--iku-white);
    box-shadow: var(--iku-shadow);
}

.iku-header {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr) auto auto auto;
    align-items: center;
    gap: 8px;
    min-height: 72px;
    padding: 10px 12px;
    background: var(--iku-blue-dark);
    color: var(--iku-white);
}

.iku-header > img {
    border-radius: 50%;
    background: var(--iku-blue-light);
}

.iku-header h2,
.iku-header p {
    margin: 0;
}

.iku-header h2 {
    color: inherit;
    font-family: Inter, system-ui, sans-serif;
    font-size: 15px;
    line-height: 1.2;
}

.iku-header p {
    color: #dbeafe;
    font-size: 11px;
}

.iku-language-label select {
    width: 82px;
    min-height: 36px;
    padding: 5px 7px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 9px;
    background: var(--iku-white);
    color: var(--iku-blue-dark);
    font-size: 12px;
}

.iku-icon-button {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 10px;
    background: transparent;
    color: var(--iku-white);
    font-size: 23px;
    cursor: pointer;
}

.iku-menu {
    position: absolute;
    z-index: 2;
    top: 64px;
    right: 44px;
    display: grid;
    width: 220px;
    gap: 4px;
    padding: 8px;
    border: 1px solid var(--iku-blue-border);
    border-radius: 12px;
    background: var(--iku-white);
    box-shadow: 0 14px 32px rgba(4, 51, 107, 0.2);
}

.iku-menu button {
    min-height: 40px;
    padding: 8px 10px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--iku-ink);
    text-align: start;
    cursor: pointer;
}

.iku-menu button:hover {
    background: var(--iku-blue-light);
}

.iku-status {
    min-height: 0;
    padding: 0 14px;
    color: var(--iku-muted);
    font-size: 12px;
}

.iku-status:not(:empty) {
    padding-block: 6px;
    border-bottom: 1px solid var(--iku-blue-border);
}

.iku-log {
    min-height: 120px;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 14px;
    background: #f8fbff;
    scroll-behavior: smooth;
}

.iku-message {
    width: fit-content;
    max-width: 88%;
    margin: 0 0 10px;
    padding: 10px 12px;
    border: 1px solid var(--iku-blue-border);
    border-radius: 5px 15px 15px;
    background: var(--iku-white);
    color: var(--iku-ink);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.iku-message-visitor {
    margin-inline-start: auto;
    border-color: var(--iku-blue);
    border-radius: 15px 5px 15px 15px;
    background: var(--iku-blue);
    color: var(--iku-white);
}

.iku-message-notice {
    border-style: dashed;
    background: #f8fafc;
    color: var(--iku-muted);
    font-size: 12px;
}

.iku-message-warning,
.iku-message-urgent {
    border-color: #fda4af;
    background: #fff1f2;
    color: #881337;
}

.iku-message-success {
    border-color: #86efac;
    background: #f0fdf4;
    color: var(--iku-success);
}

.iku-guided {
    max-height: 290px;
    overflow-y: auto;
    padding: 12px 14px;
    border-top: 1px solid var(--iku-blue-border);
    background: var(--iku-white);
}

.iku-choice-grid,
.iku-options,
.iku-step,
.iku-details-list,
.iku-review,
.iku-budget-fields {
    display: grid;
    gap: 9px;
}

.iku-button,
.iku-composer button,
.iku-contact-card a {
    min-height: 44px;
    padding: 9px 13px;
    border: 1px solid var(--iku-blue);
    border-radius: 11px;
    background: var(--iku-blue);
    color: var(--iku-white);
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
}

.iku-button:hover,
.iku-composer button:hover,
.iku-contact-card a:hover {
    background: var(--iku-blue-dark);
}

.iku-button-secondary {
    background: var(--iku-white);
    color: var(--iku-blue-dark);
}

.iku-step fieldset {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.iku-step legend,
.iku-review h3 {
    margin: 0 0 10px;
    padding: 0;
    color: var(--iku-blue-dark);
    font-size: 15px;
    font-weight: 800;
}

.iku-step input:not([type="radio"]):not([type="checkbox"]),
.iku-step select,
.iku-step textarea,
.iku-budget-fields input {
    width: 100%;
    min-height: 44px;
    padding: 9px 10px;
    border: 1px solid #91b4db;
    border-radius: 9px;
    background: var(--iku-white);
    color: var(--iku-ink);
}

.iku-step textarea {
    min-height: 92px;
    resize: vertical;
}

.iku-options label,
.iku-budget-fields label,
.iku-step fieldset > div > label {
    display: flex;
    min-height: 40px;
    align-items: flex-start;
    gap: 9px;
    padding: 8px 9px;
    border: 1px solid var(--iku-blue-border);
    border-radius: 9px;
    background: #f8fbff;
    cursor: pointer;
}

.iku-options input,
.iku-budget-fields input[type="checkbox"],
.iku-step input[type="checkbox"] {
    width: 19px;
    height: 19px;
    flex: 0 0 auto;
    margin: 1px 0 0;
    accent-color: var(--iku-blue);
}

.iku-three-fields {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.iku-three-fields label {
    display: grid !important;
    gap: 5px !important;
    font-size: 12px;
}

.iku-field-error {
    min-height: 18px;
    margin: 5px 0 0;
    color: var(--iku-danger);
    font-size: 12px;
}

.iku-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.iku-actions > * {
    flex: 1 1 120px;
}

.iku-review > div:not(.iku-actions) {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--iku-blue-border);
}

.iku-review strong,
.iku-review span {
    display: block;
}

.iku-review span {
    color: var(--iku-muted);
    overflow-wrap: anywhere;
}

.iku-review .iku-button {
    min-height: 36px;
    padding: 6px 9px;
}

.iku-details-list details {
    border: 1px solid var(--iku-blue-border);
    border-radius: 10px;
    background: #f8fbff;
}

.iku-details-list summary {
    padding: 10px;
    color: var(--iku-blue-dark);
    font-weight: 700;
    cursor: pointer;
}

.iku-details-list p {
    margin: 0;
    padding: 0 10px 10px;
}

.iku-notice {
    color: var(--iku-muted);
    font-size: 12px;
}

.iku-contact-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 8px;
}

.iku-contact-card a:first-child {
    border-color: #0b7a5c;
    background: #0b7a5c;
}

.iku-composer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    padding: 10px 12px;
    border-top: 1px solid var(--iku-blue-border);
    background: var(--iku-white);
}

.iku-composer input {
    min-width: 0;
    min-height: 44px;
    padding: 9px 11px;
    border: 1px solid #91b4db;
    border-radius: 11px;
}

.iku-composer button {
    min-width: 62px;
}

.iku-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 7px 12px 9px;
    border-top: 1px solid #e5edf7;
    color: var(--iku-muted);
    font-size: 10px;
}

.iku-footer a {
    color: var(--iku-blue);
}

.iku-visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.iku-noscript {
    margin: 1rem;
    padding: 1rem;
    border: 1px solid var(--iku-blue-border);
    background: var(--iku-white);
}

body.iku-panel-open {
    overflow: hidden;
}

@media (min-width: 600px) {
    body.iku-panel-open {
        overflow: auto;
    }
}

@media (max-width: 599px) {
    .iku-root {
        right: max(10px, env(safe-area-inset-right));
        bottom: max(10px, env(safe-area-inset-bottom));
    }

    .iku-panel {
        position: fixed;
        inset: max(8px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
        width: auto;
        max-width: none;
        height: auto;
        max-height: none;
        border-radius: 18px;
    }

    .iku-header {
        grid-template-columns: 44px minmax(0, 1fr) auto auto;
    }

    .iku-header > img {
        width: 44px;
        height: 44px;
    }

    .iku-language-label {
        grid-column: 2 / 4;
        grid-row: 2;
    }

    .iku-language-label select {
        width: 100%;
    }

    .iku-guided {
        max-height: 38vh;
        padding-bottom: max(12px, env(safe-area-inset-bottom));
    }

    .iku-greeting {
        position: fixed;
        right: 10px;
        bottom: 82px;
    }

    .iku-three-fields {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .iku-root *,
    .iku-root *::before,
    .iku-root *::after {
        scroll-behavior: auto !important;
        animation: none !important;
        transition: none !important;
    }

    .iku-launcher:hover {
        transform: none;
    }
}

@media (forced-colors: active) {
    .iku-panel,
    .iku-message,
    .iku-button,
    .iku-root input,
    .iku-root select,
    .iku-root textarea {
        border: 1px solid CanvasText;
    }
}

/* IKU smart UI upgrade v2 */
.iku-panel {
    grid-template-rows: auto auto auto minmax(0, 1fr) auto auto;
}

.iku-scroll-area {
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: #f8fbff;
    scroll-behavior: smooth;
    scrollbar-gutter: stable;
}

.iku-log {
    min-height: 0;
    overflow: visible;
    padding-bottom: 8px;
}

.iku-guided {
    max-height: none;
    overflow: visible;
    padding-top: 12px;
}

.iku-composer,
.iku-footer {
    position: relative;
    z-index: 3;
    flex: 0 0 auto;
}

.iku-message-thinking {
    min-width: 54px;
    color: var(--iku-muted);
    letter-spacing: 2px;
}

.iku-country-picker {
    position: relative;
    display: grid;
    gap: 8px;
}

.iku-country-picker > input[type="search"] {
    width: 100%;
    min-height: 46px;
}

.iku-country-suggestions {
    display: grid;
    max-height: 190px;
    overflow-y: auto;
    border: 1px solid var(--iku-blue-border);
    border-radius: 10px;
    background: var(--iku-white);
    box-shadow: 0 10px 26px rgba(4, 51, 107, 0.14);
}

.iku-country-suggestions[hidden] {
    display: none;
}

.iku-country-suggestion {
    min-height: 42px;
    padding: 8px 10px;
    border: 0;
    border-bottom: 1px solid #e5edf7;
    background: var(--iku-white);
    color: var(--iku-ink);
    text-align: start;
    cursor: pointer;
}

.iku-country-suggestion:last-child {
    border-bottom: 0;
}

.iku-country-suggestion:hover,
.iku-country-suggestion:focus-visible {
    background: var(--iku-blue-light);
    outline: none;
}

.iku-country-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.iku-country-tag {
    display: inline-flex;
    min-height: 34px;
    align-items: center;
    gap: 7px;
    padding: 5px 8px 5px 10px;
    border: 1px solid var(--iku-blue-border);
    border-radius: 999px;
    background: var(--iku-blue-light);
    color: var(--iku-blue-dark);
    font-size: 13px;
    font-weight: 700;
}

.iku-country-tag button {
    display: grid;
    width: 23px;
    height: 23px;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: var(--iku-white);
    color: var(--iku-blue-dark);
    cursor: pointer;
}

@media (max-width: 599px) {
    .iku-panel {
        grid-template-rows: auto auto auto minmax(0, 1fr) auto auto;
    }

    .iku-guided {
        max-height: none;
        padding-bottom: 12px;
    }

    .iku-scroll-area {
        min-height: 0;
    }
}

/* IKU fixed composer-height correction v3 */
.iku-panel {
    grid-template-rows: auto auto auto minmax(0, 1fr) minmax(64px, auto) auto;
}

.iku-composer {
    min-height: 64px;
    height: auto;
    align-items: center;
    overflow: visible;
}

/* IKU explicit panel rows v4 */
.iku-panel {
    grid-template-rows: auto auto minmax(0, 1fr) 64px auto;
}

.iku-header {
    grid-row: 1;
}

.iku-status {
    grid-row: 2;
}

.iku-scroll-area {
    grid-row: 3;
    min-height: 0;
}

.iku-composer {
    grid-row: 4;
    min-height: 64px;
}

.iku-footer {
    grid-row: 5;
}

/* IKU conversational response and contrast correction v5 */
.iku-message-thinking {
    min-width: 58px;
    font-weight: 800;
    letter-spacing: 4px;
    animation: iku-typing-pulse 0.9s ease-in-out infinite alternate;
}

@keyframes iku-typing-pulse {
    from {
        opacity: 0.42;
        transform: translateY(1px);
    }
    to {
        opacity: 1;
        transform: translateY(-1px);
    }
}

.iku-button-secondary:hover,
.iku-button-secondary:focus-visible {
    border-color: var(--iku-blue);
    background: var(--iku-blue-light);
    color: var(--iku-blue-dark);
}

.iku-status:empty {
    display: none;
}
/* IKU validation, currency and direct-answer controls v6 */
.iku-location-picker,
.iku-currency-picker {
    display: grid;
    gap: 8px;
}

.iku-match-note {
    margin: 0;
    color: var(--iku-muted);
    font-size: 12px;
    line-height: 1.4;
}

.iku-budget-fields > .iku-currency-picker {
    grid-column: 1 / -1;
}

.iku-country-suggestion {
    line-height: 1.35;
}

.iku-scroll-area[data-iku-initial-position="top"] {
    scroll-behavior: auto;
}