/* Shared look for settings and admin pages (2026-10-07). One source for headers, cards, buttons,
   fields, tables, chips, alerts and mode choices. Page-specific layout stays in each page's .razor.css. */
:root {
    --ui-ink: #15202E;
    --ui-ink-2: #3D4756;
    --ui-muted: #5B6575;
    --ui-faint: #8A94A3;
    --ui-line: #DDE2E8;
    --ui-line-soft: #EEF1F4;
    --ui-field: #D5DAE1;
    --ui-ground: #F4F5F7;
    --ui-panel: #FFFFFF;
    --ui-tint: #F6F8FB;
    --ui-blue: #2F6FED;
    --ui-blue-ink: #1D4ED8;
    --ui-blue-soft: #EEF3FF;
    --ui-ok: #14532D; --ui-ok-soft: #DCEFE3;
    --ui-bad: #8B1111; --ui-bad-soft: #FBD5D5;
    --ui-warn: #7A4B00; --ui-warn-soft: #FFF1D6;
    --ui-info: #1E3A8A; --ui-info-soft: #DCE8FF;
    --ui-radius: 14px;
    --ui-radius-sm: 8px;
}

/* Page frame */
.ui-page { max-width: 1100px; margin: 0 auto; padding: 12px 0 0; color: var(--ui-ink); display: flex; flex-direction: column; gap: 16px; }
.ui-page.wide { max-width: 1280px; }
.ui-page.top { padding-top: 28px; }
.ui-back { color: var(--ui-blue-ink); font-size: 14px; text-decoration: none; min-height: 40px; display: inline-flex; align-items: center; align-self: flex-start; }
.ui-back:hover { text-decoration: underline; }
.ui-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px; }
.ui-head h1 { margin: 0; font-size: 24px; font-weight: 600; }
.ui-sub { margin: 4px 0 0; font-size: 14px; color: var(--ui-muted); }
.ui-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.ui-group-title { margin: 8px 0 -6px; font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ui-muted); }

/* Cards */
.ui-card { background: var(--ui-panel); border: 1px solid var(--ui-line); border-radius: var(--ui-radius); padding: 18px 20px; }
.ui-card.flush { padding: 18px 0 6px; }
.ui-card.flush > .ui-card-head { padding: 0 20px 12px; }
.ui-card-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 12px; }
.ui-card-head h2, .ui-card > h2 { margin: 0; font-size: 16px; font-weight: 600; }
.ui-card-head .ui-hint { margin-right: auto; }
.ui-hint { font-size: 12px; color: var(--ui-muted); font-weight: 400; margin: 0; }
.ui-hint a { color: var(--ui-blue-ink); }
.ui-muted { color: var(--ui-muted); }
.ui-mono { font-family: var(--font-mono); font-size: 12px; }
.ui-empty { padding: 28px 20px; text-align: center; color: var(--ui-muted); font-size: 14px; }

/* Buttons */
.ui-btn, .ui-btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; padding: 0 16px; border-radius: var(--ui-radius-sm);
    font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap; }
.ui-btn { border: 1px solid var(--ui-field); background: var(--ui-panel); color: var(--ui-ink); }
.ui-btn:hover { background: var(--ui-tint); }
.ui-btn-primary { border: 1px solid var(--ui-blue); background: var(--ui-blue); color: #FFFFFF; }
.ui-btn-primary:hover { background: #2563EB; }
.ui-btn.small, .ui-btn-primary.small { min-height: 32px; padding: 0 12px; font-size: 13px; }
.ui-btn.danger { color: var(--ui-bad); }
.ui-btn:disabled, .ui-btn-primary:disabled { opacity: .55; cursor: default; }
.ui-icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: 1px solid var(--ui-field); border-radius: var(--ui-radius-sm);
    background: var(--ui-panel); color: var(--ui-ink-2); cursor: pointer; }
.ui-icon-btn:hover { background: var(--ui-tint); color: var(--ui-ink); }

/* Fields */
.ui-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.ui-fields.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ui-fields.one { grid-template-columns: 1fr; }
.ui-field { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--ui-ink-2); align-content: start; }
.ui-field input, .ui-field select, .ui-input, .ui-select { font: inherit; font-size: 14px; font-weight: 400; min-height: 40px; border: 1px solid var(--ui-field);
    border-radius: var(--ui-radius-sm); padding: 0 10px; background: var(--ui-panel); color: var(--ui-ink); width: 100%; }
.ui-field input:disabled { background: var(--ui-tint); color: var(--ui-muted); }
.ui-field small { font-weight: 400; color: var(--ui-muted); font-size: 11px; }
.ui-check { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ui-ink-2); cursor: pointer; }
.ui-save { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 16px; }
.ui-save > .ui-hint:first-child { margin-right: auto; }

/* Mode choice: radio cards */
.ui-modes { border: 0; margin: 0; padding: 0; }
.ui-modes legend { font-size: 13px; font-weight: 600; color: var(--ui-ink-2); margin-bottom: 8px; padding: 0; }
.ui-modes-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.ui-mode { position: relative; display: grid; gap: 4px; border: 1px solid var(--ui-field); border-radius: 10px; padding: 12px 14px; cursor: pointer; background: var(--ui-panel); }
.ui-mode input { position: absolute; opacity: 0; pointer-events: none; }
.ui-mode b { font-size: 14px; }
.ui-mode span { font-size: 12px; color: var(--ui-muted); line-height: 1.4; }
.ui-mode.on { border-color: var(--ui-blue); background: var(--ui-blue-soft); box-shadow: inset 0 0 0 1px var(--ui-blue); }
.ui-mode:focus-within { outline: 2px solid var(--ui-blue); outline-offset: 2px; }
.ui-panel-tint { padding: 14px; border-radius: 10px; background: var(--ui-tint); }

/* Numbers */
.ui-tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.ui-tile { background: var(--ui-panel); border: 1px solid var(--ui-line); border-radius: 12px; padding: 14px 16px; display: grid; gap: 2px; }
.ui-tile span, .ui-tile small { font-size: 12px; color: var(--ui-muted); }
.ui-tile b { font-size: 26px; font-weight: 700; }

/* Tables */
.ui-table-box { overflow-x: auto; }
.ui-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.ui-table th { text-align: left; padding: 10px 16px 10px 0; color: var(--ui-muted); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; white-space: nowrap; }
.ui-table th:first-child, .ui-table td:first-child { padding-left: 20px; }
.ui-table th:last-child, .ui-table td:last-child { padding-right: 20px; }
.ui-table td { padding: 10px 16px 10px 0; border-top: 1px solid var(--ui-line-soft); vertical-align: middle; }
.ui-table tr.selected td { background: var(--ui-blue-soft); }
.ui-table td small { display: block; color: var(--ui-muted); font-size: 12px; }
.ui-num, .ui-table .ui-num { text-align: right; font-variant-numeric: tabular-nums; }
.ui-nowrap { white-space: nowrap; }

/* Chips */
.ui-chip { display: inline-flex; align-items: center; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; white-space: nowrap; background: var(--ui-line-soft); color: var(--ui-ink-2); }
.ui-chip.ok { background: var(--ui-ok-soft); color: var(--ui-ok); }
.ui-chip.bad { background: var(--ui-bad-soft); color: var(--ui-bad); }
.ui-chip.warn { background: var(--ui-warn-soft); color: var(--ui-warn); }
.ui-chip.info { background: var(--ui-info-soft); color: var(--ui-info); }

/* Messages */
.ui-alert { border-radius: 10px; padding: 10px 14px; font-size: 13px; background: var(--ui-tint); color: var(--ui-ink-2); border: 1px solid var(--ui-line); }
.ui-alert.bad { background: #FEF2F2; border-color: #F5C2C2; color: var(--ui-bad); }
.ui-alert.ok { background: #F1FAF4; border-color: #BFE3CB; color: var(--ui-ok); }
.ui-alert.info { background: var(--ui-blue-soft); border-color: #C9D8FB; color: var(--ui-info); }

/* Dialog */
.ui-backdrop { position: fixed; inset: 0; background: rgba(15, 27, 45, .45); display: flex; align-items: flex-start; justify-content: center; padding: 48px 16px; z-index: 50; overflow-y: auto; }
.ui-dialog { width: min(980px, 100%); background: var(--ui-panel); border-radius: var(--ui-radius); border: 1px solid var(--ui-line); box-shadow: 0 20px 48px rgba(15, 27, 45, .25);
    padding: 20px; display: flex; flex-direction: column; gap: 14px; color: var(--ui-ink); }
dialog.ui-dialog { padding: 20px; }
dialog.ui-dialog::backdrop { background: rgba(15, 27, 45, .45); }
.ui-dialog-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.ui-dialog-head h2 { margin: 0; font-size: 18px; font-weight: 600; }
.ui-dialog .ui-save { justify-content: flex-end; }

@media (max-width: 900px) {
    .ui-fields, .ui-fields.three, .ui-tiles { grid-template-columns: 1fr; }
}
.ui-page :is(button, a, input, select, summary):focus-visible, .ui-dialog :is(button, a, input, select):focus-visible { outline: 2px solid var(--ui-blue); outline-offset: 2px; }

/* Gate pages: sign in, first setup, access required, not found */
.ui-gate { max-width: 440px; margin: 56px auto 0; display: flex; flex-direction: column; gap: 16px; color: var(--ui-ink); }
.ui-gate .ui-card { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.ui-gate h1 { margin: 0; font-size: 22px; font-weight: 600; }
.ui-gate p { margin: 0; font-size: 14px; color: var(--ui-muted); line-height: 1.5; }
.ui-gate form { display: flex; flex-direction: column; gap: 14px; }
.ui-gate .ui-btn-primary, .ui-gate .ui-btn { width: 100%; }
.ui-gate-foot { font-size: 12px; color: var(--ui-muted); text-align: center; }

/* Table pager (TablePager component) */
.table-pager { display: grid; grid-template-columns: minmax(170px, 1fr) auto auto; align-items: center; gap: 14px; padding: 10px 0; color: var(--ui-muted); font-size: 12px; }
.table-pager-summary { display: grid; gap: 2px; }
.table-pager-summary strong { color: var(--ui-ink); }
.table-pager-summary small { color: var(--ui-muted); font-size: 11px; }
.table-pager-size { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.table-pager-size select { width: auto; min-height: 32px; min-width: 64px; padding: 0 6px; font-size: 13px; }
.table-pager-controls { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.table-pager-controls span { min-width: 88px; text-align: center; }
@media (max-width: 700px) {
    .table-pager { grid-template-columns: 1fr auto; }
    .table-pager-controls { grid-column: 1 / -1; justify-content: space-between; }
    .table-pager-controls span { min-width: 0; }
}