/* Shared tool app shell */
.toolapp,
.toolapp * {
    box-sizing: border-box;
}

.toolapp {
    --bg: #faf5d0;
    --ink: #222222;
    --ink-dim: #666666;
    --brand: #4f2d7f;
    --accent: #c12d1a;
    --card: #fffef7;
    --line: #e8dcb7;
    --chip: #f2ecff;

    color: var(--ink);
    font: 16px/1.4 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell,
    "Noto Sans", sans-serif;
    background: transparent;
}

/* Header */
.toolapp-header {
    margin-bottom: 20px;
}

.toolapp h1 {
    margin: 0 0 4px;
    color: var(--accent);
    font-size: 1.9rem;
}

.toolapp p.tag {
    margin: 0 0 8px;
    color: var(--brand);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
}

.toolapp p.lede {
    margin: 0 0 8px;
    max-width: 640px;
}

.toolapp .browser-note {
    margin: 0 0 24px;
    font-size: 0.85rem;
}

/* Layout */
.toolapp .wrap {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    align-items: flex-start;
}

@media (min-width: 980px) {
    .toolapp .wrap {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

/* Cards */
.toolapp .card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 16px 18px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.toolapp .card-header h2 {
    margin: 0 0 4px;
    font-size: 1.1rem;
}

.toolapp .card-header p {
    margin: 0 0 4px;
}

/* Fields */
.toolapp .field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
}

.toolapp .field-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ink-dim);
}

.toolapp textarea,
.toolapp input[type="text"],
.toolapp input[type="number"] {
    width: 100%;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: #ffffff;
    resize: vertical;
    min-height: 120px;
}

.toolapp textarea[readonly] {
    background: #fdf9ef;
}

.toolapp textarea:focus,
.toolapp input:focus {
    outline: 2px solid var(--brand);
    outline-offset: 1px;
    border-color: var(--brand);
}

/* Modes / chips */
.toolapp .modes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 8px 0 14px;
}

.toolapp .chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #ffffff;
    color: var(--ink-dim);
    font-size: 0.8rem;
    cursor: pointer;
    white-space: nowrap;
}

.toolapp .chip.small {
    padding: 2px 8px;
    font-size: 0.75rem;
}

.toolapp .chip.ghost {
    background: #ffffff;
}

.toolapp .chip.active {
    background: var(--brand);
    border-color: var(--brand);
    color: #ffffff;
}

/* Buttons */
.toolapp .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
    align-items: center;
}

.toolapp .btn {
    border: 0;
    background: var(--accent);
    color: #ffffff;
    padding: 8px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
}

.toolapp .btn.ghost {
    background: #ffffff;
    border: 1px solid var(--line);
    color: var(--ink);
}

.toolapp .btn:disabled {
    opacity: 0.6;
    cursor: default;
}

/* Outputs */
.toolapp .outputs {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toolapp .output-block {
    border-radius: 12px;
    border: 1px solid var(--line);
    padding: 10px 10px 8px;
    background: #ffffff;
}

.toolapp .output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 4px;
}

.toolapp .output-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--ink-dim);
}

.toolapp .output-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* Examples */
.toolapp .card-examples {
    margin-top: 16px;
}

.toolapp .examples-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.toolapp .example-link {
    border: 0;
    background: var(--chip);
    color: var(--brand);
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    cursor: pointer;
}

.toolapp .example-link code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
}

/* Misc text */
.toolapp .muted {
    color: var(--ink-dim);
}

.toolapp .small {
    font-size: 0.8rem;
}

.toolapp .error {
    color: #b00020;
    font-size: 0.8rem;
    margin-top: 6px;
}

.toolapp :where(button, input, select, textarea) {
    font: inherit;
}

/* Epoch converter tweaks – uses existing .riskcalc shell */

.riskcalc .epoch-output {
    margin-top: 12px;
    padding-top: 8px;
    border-top: 1px solid var(--line);
    font-size: 14px;
}

.riskcalc .epoch-output p {
    margin: 2px 0;
}

.riskcalc .epoch-output strong {
    font-weight: 600;
}