:root {
    --page: #080b10;
    --panel: #15191f;
    --panel-strong: #101419;
    --line: #303946;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --accent: #38bdf8;
    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background: var(--page);
    font-family: Arial, sans-serif;
}

button,
input,
select,
textarea {
    font: inherit;
}

button,
.link-button {
    min-height: 36px;
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: 7px;
    color: var(--text);
    background: #1d2530;
    cursor: pointer;
    text-decoration: none;
}

button:hover,
.link-button:hover {
    border-color: var(--accent);
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.primary-button {
    border-color: #2563eb;
    background: #2563eb;
}

.ghost-button {
    background: transparent;
}

.tool-shell {
    width: min(1800px, 100%);
    margin: 0 auto;
    padding: 20px;
}

.tool-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.tool-header h1 {
    margin: 3px 0 0;
    font-size: 25px;
}

.eyebrow {
    margin: 0;
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
}

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

.summary-grid,
.builder-fields,
.policy-fields,
.raw-grid {
    display: grid;
    gap: 12px;
}

.summary-grid {
    margin-bottom: 14px;
}

.metric-tile,
.builder-panel,
.result-panel,
.raw-panel {
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

.metric-tile {
    padding: 12px;
}

.metric-tile span {
    display: block;
    color: var(--muted);
    font-size: 12px;
}

.metric-tile strong {
    display: block;
    margin-top: 7px;
    overflow-wrap: anywhere;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 48px;
    padding: 11px 13px;
    border-bottom: 1px solid var(--line);
}

.panel-header h2 {
    margin: 0;
    font-size: 16px;
}

.panel-header.compact {
    min-height: 44px;
}

.builder-fields label,
.policy-fields label,
.checkbox-field {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 12px;
}

input,
select,
textarea {
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--text);
    background: #0d1014;
}

input,
select {
    min-height: 38px;
    padding: 8px 10px;
}

textarea {
    padding: 10px;
}

.checkbox-field {
    grid-template-columns: 1fr auto;
    align-items: center;
}

.checkbox-field input {
    width: 18px;
    min-height: 18px;
    padding: 0;
}

.pill {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 4px 8px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 12px;
}

.raw-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 14px;
}

.raw-panel {
    overflow: hidden;
}

.raw-panel summary {
    padding: 11px 13px;
    cursor: pointer;
}

.raw-panel pre {
    max-height: 420px;
    margin: 0;
    padding: 12px;
    overflow: auto;
    border-top: 1px solid var(--line);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font: 12px/1.5 Consolas, "Courier New", monospace;
}

@media (max-width: 900px) {
    .tool-shell {
        padding: 12px;
    }

    .tool-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .raw-grid {
        grid-template-columns: 1fr;
    }
}