:root {
    color-scheme: light dark;
    --app-bg: var(--bg, #f4f6fa);
    --surface-1: var(--surface, #fff);
    --surface-2: var(--alt, #f8fafc);
    --border-color: var(--border, #dbe2ea);
    --text-primary: var(--text, #172033);
    --text-secondary: var(--muted, #64748b);
    --positive-color: var(--up, var(--success, #08783e));
    --negative-color: var(--down, var(--danger, #b42318));
    --warning-color: var(--warn, #a15c00);
    --header-height: 58px;
    --page-max-width: 1600px;
    --control-height: 40px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --space-section: 20px;
    --app-shadow: var(--shadow, 0 8px 24px rgba(15, 23, 42, .08));
}

* { box-sizing: border-box; }
html { overflow-x: hidden; }
body { margin: 0; overflow-x: hidden; background: var(--app-bg); color: var(--text-primary); font-family: Pretendard, "Noto Sans KR", system-ui, sans-serif; line-height: 1.5; }
button, input, select { font: inherit; }
.page, .page-shell { width: min(var(--page-max-width), 100%); margin: 0 auto; padding: 26px 22px 46px; }
.page-header, .header, .topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 16px; }
.page-header h1, .header h1, .topbar h1 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.15rem); letter-spacing: -.04em; }
.subtitle, .page-description, .muted { color: var(--text-secondary); }
.subtitle, .page-description { margin: 4px 0 0; font-size: .92rem; }
.card, .content-panel { background: var(--surface-1); border: 1px solid var(--border-color); border-radius: var(--radius-md); box-shadow: var(--app-shadow); }

.global-nav { display: flex; align-items: center; gap: 18px; width: min(var(--page-max-width), 100%); min-height: var(--header-height); margin: 0 auto; padding: 14px 22px 0; overflow-x: auto; overscroll-behavior-x: contain; }
.global-nav-brand { flex: 0 0 auto; color: var(--text-primary) !important; font-size: 1.05rem; font-weight: 900 !important; letter-spacing: -.025em; }
.global-nav-list { display: flex; gap: 5px; width: max-content; padding: 4px; margin: 0; list-style: none; }
.global-nav a { display: block; padding: 8px 12px; border-radius: var(--radius-sm); color: var(--text-secondary); font-weight: 800; text-decoration: none; white-space: nowrap; }
.global-nav a:hover, .global-nav a:focus-visible { color: var(--text-primary); background: var(--surface-2); outline: none; }
.global-nav a[aria-current="page"] { color: #fff; background: var(--primary, #3157d5); }

.button { min-height: var(--control-height); padding: 8px 14px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); color: var(--text-primary); background: var(--surface-1); cursor: pointer; font-weight: 750; text-decoration: none; white-space: nowrap; }
.button:hover:not(:disabled) { background: var(--surface-2); }
.button.primary { color: #fff; background: var(--primary, #3157d5); border-color: var(--primary, #3157d5); }
.button.danger { color: #fff; background: var(--negative-color); border-color: var(--negative-color); }
.button:disabled { opacity: .5; cursor: not-allowed; }
.button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline: 3px solid color-mix(in srgb, var(--primary, #3157d5) 30%, transparent); outline-offset: 2px; }

.filters, .filter-panel { padding: 14px 16px; margin-bottom: 18px; }
.field { min-width: 0; }
.field label { display: block; margin-bottom: 4px; color: var(--text-secondary); font-size: .79rem; font-weight: 700; }
.field input, .field select, .tool-control select, .size-control select { width: 100%; min-height: var(--control-height); padding: 7px 10px; color: var(--text-primary); background: var(--surface-2); border: 1px solid var(--border-color); border-radius: var(--radius-sm); outline: none; }
.field input:focus, .field select:focus, .tool-control select:focus, .size-control select:focus { border-color: var(--primary, #3157d5); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary, #3157d5) 16%, transparent); }
.actions, .filter-actions { display: flex; justify-content: flex-end; align-items: center; gap: 8px; margin-top: 12px; }
.toolbar, .result-toolbar, .result-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; }

.state, .empty-state, .loading-state, .error-state { padding: 42px 20px; text-align: center; color: var(--text-secondary); }
.state[role="alert"], .error-state { color: var(--negative-color); }
.spinner { width: 30px; height: 30px; margin: 0 auto 12px; border: 3px solid var(--border-color); border-top-color: var(--primary, #3157d5); border-radius: 50%; animation: app-spin .8s linear infinite; }
@keyframes app-spin { to { transform: rotate(360deg); } }

.table-wrap, .data-table-wrap, .data-wrap { max-width: 100%; overflow: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th { position: sticky; top: 0; z-index: 1; color: var(--text-secondary); background: var(--surface-2); white-space: nowrap; }
th, td { padding: 11px 14px; border-bottom: 1px solid var(--border-color); vertical-align: middle; }
tbody tr:hover { background: var(--surface-2); }
.numeric, .tabular, .value, .metric-value, .result-summary, .summary-item { font-variant-numeric: tabular-nums; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.up { color: var(--positive-color); }
.down { color: var(--negative-color); }
.change { font-weight: 850; white-space: nowrap; }
.pagination { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.page-number.active { color: #fff; background: var(--primary, #3157d5); border-color: var(--primary, #3157d5); }

@media (max-width: 720px) {
    .global-nav { gap: 8px; padding: 10px 8px 0; }
    .global-nav-brand { padding-inline: 8px !important; }
    .page, .page-shell { padding: 18px 12px 34px; }
    .page-header, .header, .topbar { align-items: flex-start; flex-direction: column; }
    .actions, .filter-actions { width: 100%; }
    .actions .button, .filter-actions .button { flex: 1; }
    .toolbar, .result-toolbar, .result-head { align-items: flex-start; flex-wrap: wrap; }
}

@media (prefers-color-scheme: dark) {
    :root { --app-shadow: var(--shadow, 0 8px 24px rgba(0, 0, 0, .28)); }
}