:root {
    color-scheme: light;
    --bg: #f5f7fb;
    --panel: #ffffff;
    --line: #d8e0ea;
    --text: #1d2733;
    --muted: #65758b;
    --accent: #0b72f0;
    --accent-dark: #0859bd;
    --danger: #c23934;
    --soft: #eef5ff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 40px;
}

.topbar,
.toolbar,
.rule-card,
fieldset,
.modal__panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    padding: 18px 20px;
}

h1,
h2,
p {
    margin: 0;
}

h1 {
    font-size: 24px;
}

h2 {
    font-size: 20px;
}

p,
.muted {
    color: var(--muted);
}

.toolbar {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 16px 0;
    padding: 12px;
}

button {
    min-height: 36px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    padding: 8px 12px;
    cursor: pointer;
}

button:hover {
    border-color: #aebbd0;
}

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

.primary {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff;
}

.primary:hover {
    background: var(--accent-dark);
}

.danger {
    color: var(--danger);
}

.icon-button {
    width: 38px;
    padding: 0;
    font-size: 24px;
    line-height: 1;
}

.rules {
    display: grid;
    gap: 12px;
}

.rule-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 14px;
    align-items: center;
    padding: 16px;
}

.rule-card h3 {
    margin: 0 0 8px;
    font-size: 17px;
}

.rule-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pill {
    border: 1px solid #bed4f7;
    background: var(--soft);
    border-radius: 999px;
    padding: 5px 9px;
    color: #174a87;
}

.pill--off {
    border-color: #e3c6c4;
    background: #fff2f1;
    color: #8d2f2a;
}

fieldset {
    min-width: 0;
    padding: 14px;
    margin: 0 0 14px;
}

legend {
    padding: 0 6px;
    font-weight: 700;
}

label {
    display: grid;
    gap: 6px;
    margin: 0 0 12px;
    color: var(--muted);
}

.checkbox-line {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
}

input,
select {
    width: 100%;
    min-height: 36px;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 7px 9px;
    color: var(--text);
    background: #fff;
}

select[multiple] {
    min-height: 98px;
}

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

.subhead,
.row-actions {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: center;
    margin: 12px 0;
    font-weight: 700;
}

.filter-row,
.after-row,
.coef-row {
    display: grid;
    gap: 8px;
    align-items: end;
    margin-bottom: 10px;
}

.filter-row {
    grid-template-columns: 1.1fr 0.85fr 1.3fr auto;
}

.after-row {
    grid-template-columns: 1fr 1.2fr auto;
}

.coef-row {
    grid-template-columns: 1fr 110px;
    padding: 8px 0;
    border-top: 1px solid var(--line);
}

.selected-users {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 34px;
    margin-bottom: 12px;
}

.modal {
    display: none;
}

.modal.is-open {
    display: block;
}

.modal__backdrop {
    position: fixed;
    inset: 0;
    z-index: 20;
    background: rgba(19, 31, 45, 0.42);
}

.modal__panel {
    position: fixed;
    inset: 24px;
    z-index: 21;
    width: min(1040px, calc(100% - 32px));
    margin: 0 auto;
    display: grid;
    grid-template-rows: auto 1fr auto;
    overflow: hidden;
    box-shadow: 0 18px 48px rgba(26, 38, 52, 0.22);
}

.modal__head,
.modal__foot {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
    padding: 16px 18px;
    border-bottom: 1px solid var(--line);
}

.modal__foot {
    border-top: 1px solid var(--line);
    border-bottom: 0;
}

.modal__body {
    overflow: auto;
    padding: 16px 18px;
}

#statusText {
    color: var(--muted);
}

@media (max-width: 860px) {
    .topbar,
    .rule-card,
    .form-grid,
    .filter-row,
    .after-row {
        grid-template-columns: 1fr;
    }

    .modal__panel {
        inset: 10px;
        width: calc(100% - 20px);
    }
}