.smcc-app,
.smcc-app * {
    box-sizing: border-box;
}

.smcc-app {
    --smcc-accent: var(--color_main, #2563eb);
    --smcc-accent-dark: var(--color_deep01, #1d4ed8);
    --smcc-bg: #ffffff;
    --smcc-soft: #f6f8fb;
    --smcc-border: #d9e0e8;
    --smcc-text: #1f2937;
    --smcc-muted: #667085;
    --smcc-danger: #b42318;
    --smcc-danger-bg: #fff1f0;
    --smcc-warning: #9a6700;
    --smcc-warning-bg: #fff8db;
    width: 100%;
    max-width: 100%;
    margin: 1.5em auto;
    padding: clamp(16px, 3vw, 32px);
    overflow: hidden;
    color: var(--smcc-text);
    background: var(--smcc-bg);
    border: 1px solid var(--smcc-border);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(31, 41, 55, 0.06);
    line-height: 1.7;
}

.smcc-app button,
.smcc-app select,
.smcc-app textarea,
.smcc-app input {
    font: inherit;
}

.smcc-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 14px;
}

.smcc-header__copy {
    min-width: 0;
}

.smcc-title {
    margin: 0 0 6px;
    padding: 0;
    border: 0;
    font-size: clamp(1.45rem, 3vw, 2rem);
    line-height: 1.35;
}

.smcc-subtitle {
    margin: 0;
    color: var(--smcc-muted);
    font-size: 0.95rem;
}

.smcc-header__controls {
    display: flex;
    flex: 0 0 auto;
    align-items: flex-end;
    gap: 10px;
}

.smcc-language {
    display: grid;
    gap: 4px;
    color: var(--smcc-muted);
    font-size: 0.78rem;
    font-weight: 700;
}

.smcc-language select {
    min-width: 150px;
    max-width: 100%;
    height: 42px;
    padding: 0 34px 0 12px;
    color: var(--smcc-text);
    background-color: #fff;
    border: 1px solid var(--smcc-border);
    border-radius: 8px;
}

.smcc-plan {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 800;
    white-space: nowrap;
}

.smcc-plan--free {
    color: #475467;
    background: #eef1f5;
}

.smcc-plan--pro {
    color: #744210;
    background: #fff2c6;
}

.smcc-limit-line {
    margin-bottom: 8px;
    color: var(--smcc-muted);
    font-size: 0.86rem;
    text-align: right;
}

.smcc-editor {
    display: block;
    width: 100%;
    min-width: 0;
}

.smcc-editor textarea,
.smcc-keyword-input textarea {
    display: block;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 16px;
    color: var(--smcc-text);
    background: #fff;
    border: 1px solid var(--smcc-border);
    border-radius: 10px;
    outline: none;
    resize: vertical;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.smcc-editor textarea {
    min-height: 280px;
    line-height: 1.8;
}

.smcc-editor textarea:focus,
.smcc-keyword-input textarea:focus,
.smcc-language select:focus {
    border-color: var(--smcc-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--smcc-accent) 18%, transparent);
}

.smcc-counter-line {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 8px;
    color: var(--smcc-muted);
    font-size: 0.88rem;
}

.smcc-counter-line strong {
    color: var(--smcc-text);
    font-variant-numeric: tabular-nums;
}

.smcc-progress {
    width: 100%;
    height: 6px;
    margin-top: 8px;
    overflow: hidden;
    background: #edf0f3;
    border-radius: 999px;
}

.smcc-progress span {
    display: block;
    width: 0;
    height: 100%;
    background: var(--smcc-accent);
    border-radius: inherit;
    transition: width 0.16s ease, background-color 0.16s ease;
}

.smcc-progress span.is-near {
    background: #d97706;
}

.smcc-progress span.is-over {
    background: var(--smcc-danger);
}

.smcc-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.smcc-button {
    appearance: none;
    min-height: 46px;
    padding: 10px 22px;
    border: 1px solid transparent;
    border-radius: 9px;
    cursor: pointer;
    font-weight: 800;
    line-height: 1.2;
    transition: transform 0.15s ease, opacity 0.15s ease, background-color 0.15s ease;
}

.smcc-button:hover:not(:disabled) {
    transform: translateY(-1px);
}

.smcc-button:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--smcc-accent) 25%, transparent);
    outline-offset: 2px;
}

.smcc-button:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.smcc-button--primary {
    color: #fff;
    background: var(--smcc-accent);
}

.smcc-button--primary:hover:not(:disabled) {
    background: var(--smcc-accent-dark);
}

.smcc-button--secondary {
    color: var(--smcc-text);
    background: #fff;
    border-color: var(--smcc-border);
}

.smcc-status {
    min-height: 1.7em;
    margin-top: 10px;
    color: var(--smcc-muted);
    font-size: 0.9rem;
}

.smcc-status--error,
.smcc-status--warning {
    padding: 10px 12px;
    border-radius: 8px;
    font-weight: 700;
}

.smcc-status--error {
    color: var(--smcc-danger);
    background: var(--smcc-danger-bg);
}

.smcc-status--warning {
    color: var(--smcc-warning);
    background: var(--smcc-warning-bg);
}

.smcc-keyword-input {
    margin-top: 24px;
    padding: clamp(14px, 2.5vw, 22px);
    background: var(--smcc-soft);
    border-radius: 12px;
}

.smcc-keyword-input h3,
.smcc-results h3 {
    margin: 0 0 8px;
    padding: 0;
    border: 0;
    font-size: 1.15rem;
    line-height: 1.5;
}

.smcc-keyword-input p {
    margin: 0 0 10px;
    color: var(--smcc-muted);
    font-size: 0.88rem;
}

.smcc-keyword-input textarea {
    min-height: 110px;
    background: #fff;
}

.smcc-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    cursor: pointer;
    font-size: 0.88rem;
}

.smcc-checkbox input {
    width: 18px;
    height: 18px;
    margin: 0;
}

.smcc-results {
    margin-top: 30px;
}

.smcc-results[hidden] {
    display: none !important;
}

.smcc-results h3:not(:first-child) {
    margin-top: 28px;
}

.smcc-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.smcc-metric {
    min-width: 0;
    padding: 15px;
    background: #fff;
    border: 1px solid var(--smcc-border);
    border-radius: 10px;
}

.smcc-metric--check {
    background: var(--smcc-soft);
}

.smcc-metric--warning {
    border-color: #f0b429;
    background: var(--smcc-warning-bg);
}

.smcc-metric__label {
    min-height: 2.8em;
    color: var(--smcc-muted);
    font-size: 0.8rem;
    font-weight: 700;
    line-height: 1.4;
}

.smcc-metric__value {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 5px;
    margin-top: 8px;
    overflow-wrap: anywhere;
}

.smcc-metric__value > span {
    font-size: clamp(1.2rem, 3vw, 1.65rem);
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    line-height: 1.25;
}

.smcc-metric__value small {
    color: var(--smcc-muted);
    font-size: 0.72rem;
}

.smcc-detail-box {
    display: grid;
    gap: 6px;
    margin-top: 12px;
    padding: 12px 14px;
    color: var(--smcc-warning);
    background: var(--smcc-warning-bg);
    border: 1px solid #f2d675;
    border-radius: 9px;
    font-size: 0.85rem;
    overflow-wrap: anywhere;
}

.smcc-detail-box[hidden] {
    display: none !important;
}

.smcc-keyword-results {
    min-height: 48px;
}

.smcc-keyword-table {
    overflow: hidden;
    border: 1px solid var(--smcc-border);
    border-radius: 10px;
}

.smcc-keyword-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 11px 14px;
    background: #fff;
}

.smcc-keyword-row + .smcc-keyword-row {
    border-top: 1px solid var(--smcc-border);
}

.smcc-keyword-term {
    min-width: 0;
    overflow-wrap: anywhere;
}

.smcc-keyword-row strong {
    flex: 0 0 auto;
    font-variant-numeric: tabular-nums;
}

.smcc-empty {
    margin: 0;
    padding: 14px;
    color: var(--smcc-muted);
    background: var(--smcc-soft);
    border-radius: 9px;
}

.smcc-definitions {
    margin-top: 24px;
    padding: 12px 14px;
    color: var(--smcc-muted);
    background: var(--smcc-soft);
    border-radius: 9px;
    font-size: 0.82rem;
}

.smcc-definitions summary {
    color: var(--smcc-text);
    cursor: pointer;
    font-weight: 800;
}

.smcc-definitions p {
    margin: 8px 0 0;
}

.smcc-privacy,
.smcc-access {
    margin: 14px 0 0;
    padding: 0;
    color: var(--smcc-muted);
    font-size: 0.82rem;
}

.smcc-access {
    padding: 10px 12px;
    background: #f8fafc;
    border-left: 3px solid var(--smcc-accent);
}

.smcc-access__link {
    display: inline-block;
    margin-left: 4px;
    color: var(--smcc-accent);
    font-weight: 800;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.smcc-app .screen-reader-text {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

@media (max-width: 900px) {
    .smcc-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .smcc-app {
        padding: 16px;
        border-radius: 12px;
    }

    .smcc-header {
        display: grid;
        gap: 14px;
    }

    .smcc-header__controls {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        width: 100%;
        align-items: end;
    }

    .smcc-language select {
        width: 100%;
        min-width: 0;
    }

    .smcc-limit-line {
        text-align: left;
    }

    .smcc-editor textarea {
        min-height: 230px;
        padding: 13px;
    }

    .smcc-counter-line {
        display: grid;
        gap: 2px;
    }

    .smcc-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .smcc-button {
        width: 100%;
        padding-inline: 10px;
    }

    .smcc-metrics {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .smcc-metric {
        padding: 12px;
    }

    .smcc-metric__label {
        min-height: 3.5em;
        font-size: 0.74rem;
    }

    .smcc-metric__value > span {
        font-size: 1.25rem;
    }

    .smcc-keyword-row {
        align-items: flex-start;
    }
}

@media (max-width: 390px) {
    .smcc-header__controls,
    .smcc-actions,
    .smcc-metrics {
        grid-template-columns: 1fr;
    }

    .smcc-plan {
        justify-self: start;
    }

    .smcc-metric__label {
        min-height: 0;
    }
}

/* v1.1 interactive explanations and matched-text preview */
.smcc-app {
    overflow: visible;
    background:
        radial-gradient(circle at 100% 0, color-mix(in srgb, var(--smcc-accent) 8%, transparent), transparent 30%),
        var(--smcc-bg);
}

.smcc-keyword-input h3 {
    display: flex;
    align-items: center;
    gap: 8px;
}

.smcc-section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
    margin-top: 28px;
    margin-bottom: 9px;
}

.smcc-section-heading h3,
.smcc-results .smcc-section-heading h3 {
    margin: 0;
}

.smcc-click-hint {
    color: var(--smcc-accent);
    font-size: 0.76rem;
    font-weight: 800;
    white-space: nowrap;
}

.smcc-metric {
    position: relative;
    text-align: left;
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

button.smcc-metric {
    appearance: none;
    display: block;
    width: 100%;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

button.smcc-metric:hover {
    z-index: 2;
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--smcc-accent) 52%, var(--smcc-border));
    box-shadow: 0 10px 24px rgba(31, 41, 55, 0.09);
}

button.smcc-metric:focus-visible,
.smcc-keyword-row:focus-visible,
.smcc-preview__close:focus-visible,
.smcc-tooltip:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--smcc-accent) 28%, transparent);
    outline-offset: 2px;
}

.smcc-metric--active,
button.smcc-metric--active:hover {
    border-color: var(--smcc-accent);
    background: color-mix(in srgb, var(--smcc-accent) 7%, #fff);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--smcc-accent) 14%, transparent), 0 10px 24px rgba(31, 41, 55, 0.08);
}

.smcc-metric__label {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 7px;
}

.smcc-metric__label > span:first-child {
    min-width: 0;
}

.smcc-metric__action {
    position: absolute;
    right: 11px;
    bottom: 9px;
    color: var(--smcc-accent);
    font-size: 0.76rem;
    font-weight: 900;
    opacity: 0.52;
    transition: transform 0.18s ease, opacity 0.18s ease;
}

button.smcc-metric:hover .smcc-metric__action,
.smcc-metric--active .smcc-metric__action {
    transform: translate(2px, -2px);
    opacity: 1;
}

.smcc-tooltip {
    position: relative;
    z-index: 8;
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-top: -1px;
    color: var(--smcc-accent);
    background: color-mix(in srgb, var(--smcc-accent) 9%, #fff);
    border: 1px solid color-mix(in srgb, var(--smcc-accent) 28%, var(--smcc-border));
    border-radius: 50%;
    cursor: help;
    font-size: 0.72rem;
    font-weight: 900;
    line-height: 1;
}

.smcc-tooltip::before,
.smcc-tooltip::after {
    position: absolute;
    visibility: hidden;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
}

.smcc-tooltip::before {
    content: '';
    top: calc(100% + 5px);
    right: 4px;
    border: 6px solid transparent;
    border-bottom-color: #182230;
    transform: translateY(-4px);
}

.smcc-tooltip::after {
    content: attr(data-tooltip);
    top: calc(100% + 16px);
    right: -5px;
    width: min(300px, calc(100vw - 56px));
    padding: 10px 12px;
    color: #fff;
    background: #182230;
    border-radius: 9px;
    box-shadow: 0 12px 28px rgba(16, 24, 40, 0.24);
    font-size: 0.76rem;
    font-weight: 600;
    line-height: 1.55;
    text-align: left;
    white-space: normal;
    transform: translateY(-4px);
}

.smcc-tooltip:hover::before,
.smcc-tooltip:hover::after,
.smcc-tooltip:focus::before,
.smcc-tooltip:focus::after,
.smcc-metric:focus .smcc-tooltip::before,
.smcc-metric:focus .smcc-tooltip::after {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.smcc-keyword-table {
    box-shadow: 0 7px 20px rgba(31, 41, 55, 0.04);
}

.smcc-keyword-row {
    appearance: none;
    position: relative;
    width: 100%;
    color: var(--smcc-text);
    border: 0;
    cursor: pointer;
    font: inherit;
    text-align: left;
    transition: background-color 0.16s ease, box-shadow 0.16s ease;
}

.smcc-keyword-row:hover {
    background: color-mix(in srgb, var(--smcc-accent) 5%, #fff);
}

.smcc-keyword-row--active {
    background: color-mix(in srgb, var(--smcc-accent) 9%, #fff);
    box-shadow: inset 4px 0 0 var(--smcc-accent);
}

.smcc-keyword-row strong {
    margin-left: auto;
}

.smcc-keyword-arrow {
    flex: 0 0 auto;
    color: var(--smcc-accent);
    font-size: 0.78rem;
    font-weight: 900;
}

.smcc-preview {
    margin-top: 24px;
    padding: clamp(15px, 2.7vw, 22px);
    background: linear-gradient(145deg, #fff, #fbfcfe);
    border: 1px solid color-mix(in srgb, var(--smcc-accent) 28%, var(--smcc-border));
    border-radius: 14px;
    box-shadow: 0 14px 34px rgba(31, 41, 55, 0.08);
}

.smcc-preview[hidden] {
    display: none !important;
}

.smcc-preview__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
}

.smcc-preview__header h3 {
    margin: 0 0 3px !important;
}

.smcc-preview__header p {
    margin: 0;
    color: var(--smcc-accent);
    font-size: 0.85rem;
}

.smcc-preview__close {
    appearance: none;
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    color: var(--smcc-muted);
    background: #fff;
    border: 1px solid var(--smcc-border);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.35rem;
    line-height: 1;
}

.smcc-preview__close:hover {
    color: var(--smcc-text);
    border-color: #98a2b3;
}

.smcc-preview__help {
    margin: 10px 0 12px;
    color: var(--smcc-muted);
    font-size: 0.82rem;
}

.smcc-preview__body {
    max-height: 520px;
    min-height: 92px;
    padding: 16px;
    overflow: auto;
    color: var(--smcc-text);
    background: #fff;
    border: 1px solid var(--smcc-border);
    border-radius: 10px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.9rem;
    line-height: 1.85;
    overflow-wrap: anywhere;
    tab-size: 4;
    white-space: pre-wrap;
}

.smcc-highlight {
    padding: 0 2px;
    color: #c1121f;
    background: #ffe8eb;
    border-bottom: 2px solid #e11d48;
    border-radius: 3px;
    font-weight: 900;
    text-decoration: none;
}

.smcc-whitespace-glyph {
    display: inline-block;
    min-width: 0.72em;
    color: #c1121f;
    font-weight: 900;
    text-align: center;
}

.smcc-preview__empty {
    margin: 9px 0 0;
    color: var(--smcc-muted);
    font-size: 0.82rem;
}

@media (max-width: 640px) {
    .smcc-section-heading {
        display: block;
    }

    .smcc-click-hint {
        display: block;
        margin-top: 3px;
        white-space: normal;
    }

    .smcc-tooltip::after {
        right: -12px;
        width: min(270px, calc(100vw - 44px));
    }

    .smcc-preview__body {
        max-height: 420px;
        padding: 13px;
        font-size: 0.82rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .smcc-app *,
    .smcc-app *::before,
    .smcc-app *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}