.keyword-tool {
    --keyword-panel: #ffffff;
    --keyword-panel-soft: #fcfcfd;
    --keyword-text: #101418;
    --keyword-muted: #5a6872;
    --keyword-border: #d8dee4;
    --keyword-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    --keyword-accent: #0b84ff;
    --keyword-accent-soft: rgba(11, 132, 255, 0.1);
    --keyword-danger: #d64545;
    --keyword-danger-soft: rgba(214, 69, 69, 0.1);
    --keyword-invalid-soft: rgba(214, 69, 69, 0.08);
    color: var(--keyword-text);
    font-family: "Inter", var(--font-sans);
    padding-top: 0;
}

html[data-theme="dark"] .keyword-tool {
    --keyword-panel: #181b1f;
    --keyword-panel-soft: #20242a;
    --keyword-text: #f1f3f5;
    --keyword-muted: #9aa2ab;
    --keyword-border: #2a3037;
    --keyword-accent: #6ea8ff;
    --keyword-accent-soft: rgba(110, 168, 255, 0.12);
    --keyword-danger: #ff8f8f;
    --keyword-danger-soft: rgba(95, 28, 28, 0.42);
    --keyword-invalid-soft: rgba(95, 28, 28, 0.32);
}

.keyword-tool * {
    box-sizing: border-box;
}

.keyword-tool .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;
}

.keyword-topbar,
.keyword-status,
.keyword-pill-row,
.keyword-textarea-header {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.keyword-topbar {
    justify-content: space-between;
}

.keyword-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.keyword-button {
    border: 1px solid var(--keyword-border);
    background: var(--keyword-panel);
    color: var(--keyword-text);
    font-family: inherit;
    padding: 9px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.04s ease, border-color 0.12s ease, opacity 0.12s ease, background 0.12s ease;
    min-height: 40px;
}

.keyword-button:active {
    transform: translateY(1px);
}

.keyword-button-danger {
    border-color: rgba(214, 69, 69, 0.35);
    background: var(--keyword-danger-soft);
}

.keyword-button[disabled] {
    opacity: 0.55;
    cursor: not-allowed;
}

.keyword-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.keyword-textarea-header {
    justify-content: space-between;
}

.keyword-copy-inline {
    min-height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 12px;
    line-height: 1;
    flex: 0 0 auto;
}

.keyword-panel {
    padding: 14px;
    border: 1px solid var(--keyword-border);
    border-radius: 12px;
    background: var(--keyword-panel);
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 100%;
    min-width: 0;
}

.keyword-text,
.keyword-textarea {
    width: 100%;
    min-width: 0;
    padding: 10px 12px;
    border: 1px solid var(--keyword-border);
    border-radius: 12px;
    font-family: var(--keyword-mono);
    font-size: 14px;
    background: var(--keyword-panel);
    color: var(--keyword-text);
    outline: none;
    transition: border-color 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.keyword-text.is-invalid {
    border-color: var(--keyword-danger);
    background: var(--keyword-invalid-soft);
}

.keyword-textarea {
    min-height: 240px;
    resize: vertical;
    line-height: 1.45;
}

.keyword-textarea[readonly] {
    background: var(--keyword-panel-soft);
}

.keyword-text:focus,
.keyword-textarea:focus,
.keyword-button:focus-visible {
    border-color: rgba(11, 132, 255, 0.55);
    box-shadow: 0 0 0 3px rgba(11, 132, 255, 0.1);
    outline: none;
}

.keyword-pill-row,
.keyword-status {
    gap: 8px;
}

.keyword-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border: 1px solid var(--keyword-border);
    border-radius: 999px;
    background: var(--keyword-panel);
    font-size: 12px;
    color: var(--keyword-muted);
    line-height: 1.2;
}

.keyword-pill strong,
.keyword-note strong {
    color: var(--keyword-text);
}

.keyword-status {
    justify-content: flex-start;
}

.keyword-note code,
.keyword-pill code {
    font-family: var(--keyword-mono);
    font-size: 12px;
    padding: 2px 6px;
    border: 1px solid var(--keyword-border);
    border-radius: 8px;
    background: var(--keyword-panel);
    color: var(--keyword-text);
}

@media (max-width: 560px) {
    .keyword-tool {
        padding-top: 0;
    }

    .keyword-topbar {
        align-items: stretch;
    }

    .keyword-actions {
        width: 100%;
    }

    .keyword-actions .keyword-button {
        flex: 1 1 calc(50% - 8px);
    }

    .keyword-textarea {
        min-height: 220px;
    }
}

@media (max-width: 420px) {
    .keyword-actions .keyword-button {
        flex: 1 1 100%;
    }

    .keyword-copy-inline {
        padding: 0 10px;
    }
}