:root
{
    color-scheme: light;
    --bg: #f6f7f4;
    --surface: #ffffff;
    --surface-muted: #eef1ed;
    --border: #cfd5cf;
    --text: #1d2520;
    --muted: #647067;
    --accent: #1f7a64;
    --accent-dark: #155846;
    --danger: #a83333;
}

*
{
    box-sizing: border-box;
}

body
{
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family:
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}

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

.app-shell
{
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.top-bar
{
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.brand
{
    font-size: 18px;
    font-weight: 700;
}

.server-state
{
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: 13px;
}

.state-pill
{
    min-width: 78px;
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text);
    text-align: center;
}

.workspace
{
    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
    gap: 20px;
    flex: 1;
}

.form-panel,
.results
{
    min-width: 0;
}

.form-panel
{
    align-self: start;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.generation-form
{
    display: grid;
    gap: 14px;
}

.field
{
    display: grid;
    gap: 6px;
}

.field-label
{
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
}

textarea,
select,
input[type="number"]
{
    width: 100%;
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fbfcfb;
    color: var(--text);
    outline: none;
}

textarea
{
    resize: vertical;
    padding: 10px 11px;
    line-height: 1.45;
}

input[type="number"]
{
    height: 38px;
    padding: 0 10px;
}

select
{
    height: 38px;
    padding: 0 36px 0 10px;
}

textarea:focus,
select:focus,
input[type="number"]:focus
{
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(31, 122, 100, 0.16);
}

textarea:disabled,
select:disabled,
input:disabled
{
    opacity: 0.64;
}

.field-grid
{
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.seed-row
{
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 12px;
}

.random-seed
{
    min-height: 38px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface-muted);
    color: var(--text);
    font-size: 14px;
}

.primary-action
{
    width: 100%;
    height: 42px;
    border: 1px solid var(--accent-dark);
    border-radius: 6px;
    background: var(--accent);
    color: #ffffff;
    font-weight: 700;
    cursor: pointer;
}

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

.primary-action:disabled
{
    cursor: wait;
    opacity: 0.72;
}

.status-message
{
    min-height: 36px;
    margin-bottom: 12px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface-muted);
    color: var(--muted);
    font-size: 14px;
}

.status-error
{
    border-color: #d9abab;
    background: #fff4f3;
    color: var(--danger);
}

.results
{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    align-content: start;
    gap: 16px;
}

.empty-results
{
    min-height: 360px;
    display: grid;
    place-items: center;
    border: 1px dashed var(--border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.5);
}

.empty-box
{
    color: var(--muted);
    font-size: 15px;
}

.result-item
{
    margin: 0;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--surface);
}

.result-item a
{
    display: block;
    background: #dfe5df;
}

.result-item img
{
    width: 100%;
    max-height: 72vh;
    display: block;
    object-fit: contain;
}

.result-item figcaption
{
    padding: 8px 10px;
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 820px)
{
    .top-bar
    {
        align-items: flex-start;
        flex-direction: column;
    }

    .workspace
    {
        grid-template-columns: 1fr;
        padding: 14px;
    }

    .form-panel
    {
        padding: 14px;
    }
}

@media (max-width: 480px)
{
    .field-grid,
    .seed-row
    {
        grid-template-columns: 1fr;
    }

    .server-state
    {
        width: 100%;
        justify-content: space-between;
    }
}