:root {
    --vscode-bg: #1e1e1e;
    --vscode-sidebar: #252526;
    --vscode-panel: #181818;
    --vscode-text: #d4d4d4;
    --vscode-muted: #858585;
    --vscode-green: #4ec9b0;
    --vscode-yellow: #dcdcaa;
    --vscode-red: #f44747;
    --vscode-blue: #569cd6;
    --vscode-border: #3c3c3c;
    --vscode-input-bg: #3c3c3c;
    --vscode-focus: #094771;
}

* {
    box-sizing: border-box;
}

body {
    font-family: "Segoe UI", system-ui, sans-serif;
    background: var(--vscode-bg);
    color: var(--vscode-text);
    margin: 0;
    padding: 1rem;
    line-height: 1.5;
    font-size: 13px;
}

h1 {
    font-size: 1.35rem;
    margin-top: 0;
    font-weight: 400;
    color: var(--vscode-text);
}

.card {
    background: var(--vscode-sidebar);
    border: 1px solid var(--vscode-border);
    border-radius: 2px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

.card h2 {
    margin-top: 0;
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--vscode-text);
}

label {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--vscode-muted);
    font-size: 0.9rem;
}

input[type="number"],
select {
    width: 100%;
    max-width: 12rem;
    padding: 0.35rem 0.5rem;
    background: var(--vscode-input-bg);
    border: 1px solid var(--vscode-border);
    border-radius: 2px;
    color: var(--vscode-text);
    font-size: 13px;
}

input[type="number"]:focus,
select:focus {
    outline: 1px solid var(--vscode-blue);
    outline-offset: -1px;
}

input[type="range"] {
    width: 100%;
    max-width: 20rem;
    margin-right: 0.5rem;
    accent-color: var(--vscode-blue);
}

.row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
    margin-bottom: 0.75rem;
}

.row label {
    margin-bottom: 0;
}

.val {
    color: var(--vscode-blue);
    font-weight: 600;
}

.green {
    color: var(--vscode-green);
}

.yellow {
    color: var(--vscode-yellow);
}

.red {
    color: var(--vscode-red);
}

.result-big {
    font-size: 1.25rem;
    margin: 0.5rem 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th,
td {
    padding: 0.4rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--vscode-border);
}

th {
    color: var(--vscode-muted);
    font-weight: 400;
}

.params-optional {
    margin-top: 0.75rem;
    border: 1px solid var(--vscode-border);
    border-radius: 2px;
}

.params-optional summary {
    display: block;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    color: var(--vscode-blue);
    background: var(--vscode-input-bg);
    font-size: 0.95rem;
    list-style: none;
    list-style-type: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    user-select: none;
}

.params-optional summary::-webkit-details-marker {
    display: none;
}

.params-optional summary::marker {
    display: none;
    content: none;
}

.params-optional summary::-moz-list-bullet {
    display: none;
}

.params-optional summary::before {
    content: "▶ ";
    font-size: 0.7em;
    opacity: 0.8;
}

.params-optional[open] summary::before {
    content: "▼ ";
}

.params-optional summary:hover {
    background: var(--vscode-border);
    text-decoration: none;
}

.params-optional-body {
    display: block;
    border-top: 1px solid var(--vscode-border);
}

.params-optional .row {
    padding: 0.25rem 0.75rem 0.75rem;
}

.ah-input,
.w-input {
    width: 5rem;
    max-width: 6rem;
    padding: 0.35rem 0.5rem;
    font-size: 13px;
}

.val-wh {
    color: var(--vscode-muted);
    font-weight: 400;
    font-size: 0.9em;
}

.warnings {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0;
}

.warnings li {
    padding: 0.35rem 0;
    color: var(--vscode-red);
}


.actions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.4rem 0.75rem;
    font-size: 13px;
    font-family: inherit;
    color: var(--vscode-text);
    background: var(--vscode-input-bg);
    border: 1px solid var(--vscode-border);
    border-radius: 2px;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover {
    background: var(--vscode-border);
}

.btn-primary {
    color: var(--vscode-blue);
}

.footnote {
    font-size: 0.85rem;
    color: var(--vscode-muted);
}

.copy-feedback {
    font-size: 0.85rem;
    color: var(--vscode-green);
    margin-left: 0.5rem;
}

.chart-card .footnote {
    margin-bottom: 0.75rem;
}

.soc-summary {
    margin-bottom: 1rem;
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

.soc-summary.green { color: var(--vscode-green); }
.soc-summary.yellow { color: var(--vscode-yellow); }
.soc-summary.red { color: var(--vscode-red); }

.chart-img {
    max-width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--vscode-border);
}