/* Shared warm-sand components. Load design-tokens.css before this file. */
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body { margin: 0; min-width: 320px; min-height: 100vh; min-height: 100dvh; background: var(--canvas); color: var(--ink); font-size: var(--text-base); line-height: 1.6; }
button, input, select, textarea { font: inherit; letter-spacing: 0; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: var(--green); text-underline-offset: 3px; }
button, a, input, select, textarea { transition: background-color .15s, border-color .15s, box-shadow .15s; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }
[hidden] { display: none !important; }

/* Button / Input / Select / Form */
.primary, .secondary, .quiet, .danger, .table-action, .brand-admin button {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: var(--button-height); border: 1px solid transparent; border-radius: var(--radius-sm);
  padding: 7px 14px; font-size: var(--text-sm); font-weight: 600; line-height: 1.5; text-decoration: none;
}
.primary, .brand-admin button.primary { color: var(--surface); background: var(--green); border-color: var(--green); }
.primary:hover, .brand-admin button.primary:hover { background: var(--green-dark); border-color: var(--green-dark); }
.secondary, .brand-admin button { color: var(--ink); background: var(--surface); border-color: var(--line); }
.secondary:hover, .brand-admin button:hover { background: var(--accent-soft); border-color: var(--line-strong); }
.quiet { min-height: 32px; color: var(--muted); background: transparent; padding: 5px var(--space-2); }
.quiet:hover { color: var(--green); background: var(--accent-soft); }
.danger { color: var(--red); background: var(--surface); border-color: var(--danger-line); }
.danger:hover { background: var(--danger-soft); }
/* Size is independent of action importance: destructive actions can also be small. */
.button-sm, .brand-admin button.button-sm { min-height: var(--button-height-sm); padding: 4px 10px; font-size: var(--text-xs); line-height: 1.5; border-radius: 6px; white-space: nowrap; }
.button-icon { width: var(--button-height); padding-inline: 0; flex: 0 0 auto; }
.button-sm.button-icon { width: var(--button-height-sm); min-width: var(--button-height-sm); padding: 0; }
.full { width: 100%; }
button:disabled, input:disabled, select:disabled, textarea:disabled { cursor: not-allowed; opacity: .55; }
input:disabled, select:disabled, textarea:disabled { background: var(--soft); }
label { display: grid; gap: var(--space-2); color: var(--ink); font-size: var(--text-sm); font-weight: 550; min-width: 0; }
input, select, textarea { width: 100%; min-width: 0; min-height: var(--control-height); border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); padding: 9px 12px; border-radius: var(--radius-sm); }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: .85; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--green); box-shadow: var(--focus-ring); }
input:user-invalid, select:user-invalid, textarea:user-invalid { border-color: var(--red); }
input[type=checkbox], input[type=radio] { width: 17px; height: 17px; min-height: 0; padding: 0; accent-color: var(--green); flex: 0 0 auto; }
input[type=file] { padding: 7px; font-size: var(--text-xs); }
input::file-selector-button { padding: 5px 9px; margin-right: 10px; color: var(--green); background: var(--accent-soft); border: 0; border-radius: 5px; cursor: pointer; }
textarea { resize: vertical; }
.stack-form, .dialog-form { display: grid; gap: var(--space-5); }
.form-error { min-height: 18px; margin: 0; color: var(--red); font-size: var(--text-sm); font-weight: 500; overflow-wrap: anywhere; }
.form-grid { display: grid; gap: var(--space-4); min-width: 0; }
.form-grid.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.span-two { grid-column: span 2; }
fieldset { margin: 0; min-width: 0; padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-md); }
fieldset legend { padding: 0 6px; color: var(--muted); font-size: var(--text-xs); font-weight: 600; }
.compact-fields { gap: var(--space-3); }
.checkbox-label { display: flex; flex-direction: row; align-items: center; align-self: end; min-height: var(--control-height); gap: var(--space-2); }
label span { color: var(--muted); font-size: var(--text-xs); font-weight: 400; }
select[multiple] { min-height: 128px; }
option:disabled { color: var(--muted); }

/* Login / Navigation / PageHeader */
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: var(--space-5); background: var(--canvas); }
.login-panel { width: min(420px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: var(--space-7); box-shadow: var(--shadow-card); }
.brand-mark { width: 44px; height: 44px; display: grid; place-items: center; background: var(--accent-soft); border: 1px solid var(--success-line); border-radius: var(--radius-md); color: var(--green); font-weight: 600; font-size: 24px; margin-bottom: var(--space-5); }
.brand-mark.small { width: 36px; height: 36px; margin: 0; border-radius: var(--radius-sm); font-size: 20px; flex: 0 0 auto; }
.product-name, .eyebrow, #page-eyebrow { color: var(--green); font-size: 10px; font-weight: 600; letter-spacing: .14em; margin: 0 0 var(--space-2); }
.login-panel h1 { margin: 0 0 var(--space-5); font-size: var(--text-title); letter-spacing: -.5px; }
.login-panel > a { display: inline-block; margin-top: var(--space-5); font-size: var(--text-sm); }
.app-shell { min-height: 100vh; min-height: 100dvh; display: grid; grid-template-columns: var(--sidebar-width) minmax(0, 1fr); align-items: start; }
.sidebar { position: sticky; top: 0; height: 100vh; height: 100dvh; display: flex; flex-direction: column; overflow: hidden; background: var(--sidebar); color: var(--ink); padding: 28px 16px 18px; border-right: 1px solid var(--line); }
.brand-lockup { display: flex; align-items: center; gap: var(--space-3); padding: 0 var(--space-2) var(--space-5); }
.brand-lockup strong, .brand-lockup span { display: block; letter-spacing: 0; }
.brand-lockup strong { font-size: 22px; font-weight: 650; letter-spacing: -.7px; }
.brand-lockup span { margin-top: 1px; color: var(--muted); font-size: 10px; letter-spacing: .16em; }
.sidebar nav { min-height: 0; display: grid; flex: 1 1 auto; gap: var(--space-1); margin-top: var(--space-2); overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; align-content: start; scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }
.nav-group { display: grid; gap: var(--space-1); }
.nav-label { margin: 17px 12px 7px; color: var(--muted); font-size: 10px; font-weight: 500; letter-spacing: .12em; }
.nav-group:first-child .nav-label { margin-top: var(--space-2); }
.nav-item { display: flex; align-items: center; gap: var(--space-3); width: 100%; min-height: 42px; border: 1px solid transparent; border-radius: var(--radius-sm); padding: 10px 12px; color: var(--muted); background: transparent; text-align: left; font-size: var(--text-sm); font-weight: 500; line-height: 1.5; text-decoration: none; }
.nav-icon { width: 17px; height: 17px; display: inline-flex; flex: 0 0 auto; }
.nav-icon svg { width: 100%; height: 100%; }
.nav-item:hover { color: var(--green-dark); background: var(--accent-soft); }
.nav-item.active { color: var(--green-dark); background: var(--nav-active); font-weight: 650; }
.sidebar-footer { flex: 0 0 auto; margin-top: var(--space-4); padding: var(--space-4) var(--space-2) 0; border-top: 1px solid var(--line); display: grid; gap: var(--space-1); overflow-wrap: anywhere; }
.sidebar-footer span { color: var(--muted); font-size: var(--text-xs); }
.sidebar-footer .quiet { justify-content: flex-start; padding-left: 0; width: fit-content; }
.workspace { min-width: 0; padding: 0 var(--space-6) 48px; }
.workspace-context { display: flex; align-items: center; gap: var(--space-3); min-height: 60px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: var(--text-xs); }
.workspace-context .context-divider { color: var(--line-strong); }
.workspace-context strong { color: var(--ink); font-weight: 500; }
.design-signature { display: inline-flex; gap: 6px; align-items: center; margin-left: auto; font-size: 11px; }
.design-signature::before { content: ""; display: block; width: 5px; height: 5px; border-radius: 50%; background: var(--green); }
.topbar { min-height: 126px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); }
.topbar h1 { margin: 0; font-size: var(--text-title); line-height: 1.3; letter-spacing: -.7px; font-weight: 650; }
.page-description { margin: var(--space-2) 0 0; color: var(--muted); font-size: var(--text-sm); line-height: 1.8; }
#page-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); flex: 0 0 auto; max-width: 50%; }
.page-content { padding-top: var(--space-2); min-width: 0; }
.page-content > .muted:first-child { margin: 0 0 var(--space-4); }

/* Notice / EmptyState */
.notice { margin-bottom: var(--space-4); padding: 12px 16px; border: 1px solid var(--success-line); border-radius: var(--radius-md); color: var(--green-dark); background: var(--success-soft); font-size: var(--text-sm); overflow-wrap: anywhere; }
.notice.error { color: var(--red); background: var(--danger-soft); border-color: var(--danger-line); }
.empty-state { padding: 60px 24px; color: var(--muted); text-align: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); font-size: var(--text-sm); overflow-wrap: anywhere; }
.empty-state::before { content: ""; display: block; width: 30px; height: 24px; margin: 0 auto var(--space-4); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--soft); }
.empty-state[data-state=error] { color: var(--red); border-color: var(--danger-line); }
.empty-state[data-state=error]::before { border-color: var(--danger-line); background: var(--danger-soft); }
.empty-state[data-state=loading]::before { width: 22px; height: 22px; border-radius: 50%; border-color: var(--line); border-top-color: var(--green); animation: loading 1s linear infinite; }
@keyframes loading { to { transform: rotate(360deg); } }

/* StatCard / Panel / Chart */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr)); gap: var(--space-4); }
.overview-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stat-card { min-width: 0; min-height: 132px; padding: var(--space-5); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-card); }
.stat-card span { color: var(--muted); font-size: var(--text-xs); }
.stat-card strong { display: block; margin-top: 14px; color: var(--ink); font: 400 32px/1.3 Georgia, "Songti SC", serif; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.stat-card.featured, .overview-stats .stat-card:first-child { border-color: var(--success-line); background: var(--success-soft); }
.log-stat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.funds-stats, .recharge-order-stats { grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr)); }
.funds-toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); margin-bottom: var(--space-5); padding: var(--space-5); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-card); }
.funds-toolbar strong { font-size: 16px; }
.funds-toolbar p { max-width: 820px; margin: 7px 0 0; color: var(--muted); font-size: var(--text-sm); line-height: 1.8; }
.funds-toolbar .settlement-account-summary { margin-top: 10px; color: var(--ink); }
.balance-query-time { margin: var(--space-3) 0 0; color: var(--muted); font-size: var(--text-xs); text-align: right; }
.funds-warning, .withdrawal-confirm-amount { margin: 0 0 var(--space-4); padding: 12px 16px; border: 1px solid var(--warning-line); border-radius: var(--radius-md); color: var(--amber); background: var(--warning-soft); font-size: var(--text-sm); }
.funds-warning a { color: var(--green); font-weight: 650; }
.withdrawal-confirm-amount { font-size: 20px; font-weight: 650; text-align: center; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: var(--space-3); margin: var(--space-6) 0 var(--space-4); }
.section-heading h2 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: 0; }
.section-heading span { color: var(--muted); font-size: var(--text-xs); }
.panel { min-width: 0; padding: var(--space-5); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-card); }
.panel .section-heading { margin: 0 0 var(--space-5); align-items: center; }
.overview-charts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); margin-top: var(--space-5); }
.chart { height: 250px; display: flex; align-items: end; gap: 4px; padding: 20px 16px 12px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow-x: auto; overscroll-behavior-x: contain; }
.panel .chart { border: 0; border-radius: 0; padding: 8px 0 0; background: repeating-linear-gradient(to top, var(--line) 0, var(--line) 1px, transparent 1px, transparent 48px); }
.chart-column { min-width: 12px; flex: 1 0 12px; height: 100%; display: flex; flex-direction: column; justify-content: end; align-items: center; gap: 7px; }
.chart-column > span { color: var(--muted); font-size: 10px; font-variant-numeric: tabular-nums; }
.chart-bar { width: min(18px, 70%); min-height: 2px; background: var(--green); border-radius: 4px 4px 0 0; }
.chart-column:nth-child(3n) .chart-bar { background: var(--line-strong); }
.chart-bar.height-1 { height: 13px; }.chart-bar.height-2 { height: 26px; }.chart-bar.height-3 { height: 39px; }.chart-bar.height-4 { height: 52px; }.chart-bar.height-5 { height: 65px; }.chart-bar.height-6 { height: 78px; }.chart-bar.height-7 { height: 91px; }.chart-bar.height-8 { height: 104px; }.chart-bar.height-9 { height: 117px; }.chart-bar.height-10 { height: 130px; }
.chart-label { color: var(--muted); font-size: 10px; writing-mode: vertical-rl; height: 46px; }

/* DataTable / Badge / Toolbar */
.table-wrap, .plan-table-wrap { min-width: 0; max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-card); overscroll-behavior-x: contain; }
.table-wrap:focus-visible, .plan-table-wrap:focus-visible { outline-offset: -3px; }
.table-toolbar { display: flex; justify-content: flex-end; margin-bottom: var(--space-4); }
.table-toolbar label { width: min(360px, 100%); }
table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); line-height: 1.65; }
th { padding: 14px 18px; color: var(--muted); background: var(--soft); border-bottom: 1px solid var(--line); text-align: left; font-size: var(--text-xs); font-weight: 500; white-space: nowrap; }
td { padding: 18px; border-bottom: 1px solid var(--line); vertical-align: middle; min-width: 100px; overflow-wrap: anywhere; }
tbody tr:hover { background: var(--accent-soft); }
tr:last-child td { border-bottom: 0; }
td strong { font-weight: 600; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: var(--text-xs); font-variant-numeric: tabular-nums; }
.badge { display: inline-flex; align-items: center; gap: 5px; border-radius: var(--radius-pill); padding: 4px 9px; font-size: 11px; font-weight: 550; background: var(--soft); color: var(--muted); white-space: nowrap; }
.badge::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: currentColor; flex: 0 0 auto; }
.badge.active, .badge.published, .badge.success, .badge.succeeded, .badge.paid, .badge.direct { background: var(--success-soft); color: var(--green-dark); }
.badge.suspended, .badge.error, .badge.rejected, .badge.disabled, .badge.failed, .badge.expired, .badge.cancelled, .badge.reversed { background: var(--danger-soft); color: var(--red); }
.badge.pending, .badge.platform_review, .badge.provider_review, .badge.creating, .badge.unknown, .badge.warn { background: var(--warning-soft); color: var(--amber); }
.badge.superseded, .badge.draft, .badge.not_applicable, .badge.info { background: var(--soft); color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 6px; }
.table-action { min-height: var(--button-height-sm); padding: 4px 8px; color: var(--green); background: transparent; font-size: var(--text-xs); white-space: nowrap; }
.table-action:hover { background: var(--accent-soft); }
.table-action.destructive { color: var(--red); }
.table-action.destructive:hover { background: var(--danger-soft); }
.log-filter-form { display: grid; grid-template-columns: 140px 140px minmax(180px, 1fr) auto auto; gap: var(--space-3); align-items: end; margin-top: var(--space-5); padding: var(--space-5); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.recharge-filter-form { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); align-items: end; margin-bottom: var(--space-5); padding: var(--space-5); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.recharge-orders-table { min-width: 1500px; }
.log-preview { max-width: 420px; line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; }
.log-detail-metadata { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 10px 18px; margin: 0; padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--soft); }
.log-detail-metadata dt { color: var(--muted); }
.log-detail-metadata dd { margin: 0; overflow-wrap: anywhere; }
.log-detail-section { display: grid; gap: var(--space-2); }
.log-detail-section h3 { margin: 0; font-size: 15px; }
.log-detail-section pre { max-height: 320px; margin: 0; padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--soft); font: 12px/1.7 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; overflow: auto; overflow-wrap: anywhere; }
.recharge-packages-form { display: grid; gap: var(--space-4); }
.recharge-package-list { display: grid; gap: var(--space-3); }
.recharge-package-row { display: grid; grid-template-columns: minmax(150px, 1.2fr) minmax(130px, .8fr) 110px 80px auto; align-items: end; gap: var(--space-3); padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); }
.recharge-package-row .package-option { display: flex; align-items: center; gap: 7px; min-height: var(--button-height-sm); }
.package-row-actions { min-height: var(--button-height-sm); display: flex; align-items: center; justify-content: end; gap: 6px; }
.recharge-package-footer { display: flex; justify-content: space-between; gap: var(--space-3); }

/* Dialog */
dialog { width: min(680px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 0; box-shadow: var(--shadow-dialog); color: var(--ink); background: var(--surface); }
#password-dialog, #credit-dialog { width: min(460px, calc(100vw - 32px)); }
#withdrawal-dialog, #maker-key-dialog, #maker-token-dialog { width: min(520px, calc(100vw - 32px)); }
#settlement-account-dialog { width: min(760px, calc(100vw - 32px)); }
#partner-detail-dialog, #partner-payment-accounts-dialog { width: min(1120px, calc(100vw - 48px)); }
dialog::backdrop { background: rgb(35 49 35 / 38%); backdrop-filter: blur(3px); }
.dialog-form { padding: 28px; overflow-y: auto; }
.wide-dialog { width: min(1120px, calc(100vw - 48px)); max-height: calc(100dvh - 48px); }
.partner-export-actions { margin-bottom: var(--space-4); }
.partner-export-actions a { display: inline-flex; align-items: center; text-decoration: none; }
.dialog-form header, .dialog-form footer { display: flex; align-items: start; justify-content: space-between; gap: var(--space-4); }
.dialog-form header { padding-bottom: var(--space-4); border-bottom: 1px solid var(--line); }
.dialog-form header h2 { margin: 0; font-size: 20px; font-weight: 600; }
.dialog-form footer { justify-content: end; padding-top: var(--space-4); border-top: 1px solid var(--line); }
.icon-button { display: inline-grid; place-items: center; width: var(--dialog-close-size); height: var(--dialog-close-size); border: 0; background: var(--soft); color: var(--muted); border-radius: var(--radius-sm); font-size: 22px; line-height: 1; flex: 0 0 auto; }
.icon-button:hover { color: var(--green); background: var(--accent-soft); }
.dialog-context { margin: -5px 0 0; color: var(--muted); font-size: var(--text-sm); overflow-wrap: anywhere; }
.credit-dialog-balance { margin: -6px 0 0; padding: 12px; border: 1px solid var(--success-line); border-radius: var(--radius-md); color: var(--green-dark); background: var(--success-soft); font-size: var(--text-base); font-weight: 600; }
.secret-value { display: block; min-height: 76px; padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-md); color: var(--ink); background: var(--soft); overflow-wrap: anywhere; user-select: all; }
.payment-application { margin-top: var(--space-5); }
.payment-application .section-heading { margin-top: 0; }
.payment-application h3 { margin: 0; }
.payment-application pre { max-height: 360px; margin: 0; padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--soft); overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; }
.inline-selection-form { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: var(--space-3); align-items: end; margin: var(--space-5) 0 var(--space-3); }
.payment-option-list { display: grid; gap: var(--space-2); margin-bottom: var(--space-5); }
.payment-option-list article { display: grid; grid-template-columns: minmax(0, 1fr) auto 72px; gap: var(--space-3); align-items: center; padding: 12px 16px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); }
.payment-option-list article div { min-width: 0; display: grid; gap: 3px; overflow-wrap: anywhere; }
.payment-option-list article.unavailable { color: var(--muted); background: var(--soft); opacity: .68; }
.upload-progress { height: 7px; background: var(--line); border-radius: var(--radius-pill); overflow: hidden; }
.upload-progress span { display: block; width: 35%; height: 100%; background: var(--green); animation: upload 1.1s infinite ease-in-out; }
@keyframes upload { 0% { transform: translateX(-110%); } 100% { transform: translateX(350%); } }

@media (min-width: 1600px) { .workspace { max-width: 1600px; width: 100%; margin-inline: auto; padding-inline: var(--space-7); } }
@media (max-width: 1200px) {
  :root { --sidebar-width: 212px; }
  .workspace { padding-inline: var(--space-5); }
  .overview-charts { grid-template-columns: 1fr; }
  .log-filter-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .log-filter-form label:nth-child(3) { grid-column: span 2; }
  .recharge-package-row { grid-template-columns: repeat(2, minmax(0, 1fr)) auto; }
  .package-row-actions { grid-column: 3; grid-row: 1 / span 2; align-self: center; }
}
@media (max-width: 900px) {
  :root { --sidebar-width: 190px; }
  .sidebar { padding-inline: 10px; }
  .nav-item { padding-inline: 10px; font-size: var(--text-xs); gap: 9px; }
  .workspace { padding-inline: var(--space-4); }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .funds-toolbar { align-items: stretch; flex-direction: column; }
  .recharge-filter-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .recharge-filter-form label:nth-child(4) { grid-column: span 2; }
  .stat-card { padding: 18px; }
  .stat-card strong { font-size: 28px; }
  .topbar { flex-wrap: wrap; padding-block: var(--space-5); gap: var(--space-4); }
  #page-actions { max-width: 100%; }
}
@media (max-width: 600px) {
  .app-shell { display: block; }
  .sidebar { position: static; width: 100%; height: auto; padding: 18px 14px 10px; overflow: hidden; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand-lockup { padding: 0 3px 14px; gap: 10px; }
  .brand-lockup > div:last-child { display: flex; align-items: baseline; gap: 12px; }
  .brand-lockup strong { font-size: 20px; }
  .brand-lockup span { font-size: 10px; }
  .brand-mark.small { width: 30px; height: 30px; font-size: 18px; }
  .sidebar nav { min-height: auto; display: flex; flex: 0 0 auto; gap: 5px; margin: 0; overflow-x: auto; overflow-y: hidden; scrollbar-gutter: auto; scrollbar-width: thin; }
  .nav-group { display: flex; gap: 5px; flex: 0 0 auto; }
  .nav-label { display: none; }
  .nav-item { width: auto; min-height: 40px; white-space: nowrap; flex-shrink: 0; padding: 9px 11px; font-size: var(--text-xs); }
  .nav-icon { width: 15px; height: 15px; }
  .sidebar-footer { margin-top: 10px; padding: 8px 3px 0; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
  .sidebar-footer span { min-width: 0; font-size: 10px; }
  .sidebar-footer .quiet { min-height: 30px; padding: 4px 8px; font-size: 11px; flex-shrink: 0; }
  .workspace { padding: 0 16px 32px; }
  .workspace-context { min-height: 45px; gap: var(--space-2); font-size: 10px; }
  .design-signature { font-size: 10px; }
  .topbar { padding: 22px 0; min-height: 0; }
  .topbar h1 { font-size: 24px; }
  .page-description { font-size: var(--text-xs); }
  .page-content { padding-top: 0; }
  .stat-grid { gap: var(--space-3); }
  .stat-card { min-height: 115px; padding: var(--space-4); border-radius: var(--radius-md); }
  .stat-card span { font-size: 11px; }
  .stat-card strong { font-size: 26px; }
  .overview-charts { gap: var(--space-4); margin-top: var(--space-4); }
  .panel { padding: var(--space-4); }
  .section-heading { align-items: start; flex-wrap: wrap; gap: 6px; margin-top: var(--space-5); }
  .panel .section-heading { margin-bottom: var(--space-4); }
  .section-heading h2 { font-size: 15px; }
  .section-heading span { font-size: 11px; }
  .chart { height: 230px; }
  th { padding: 12px 14px; }
  td { padding: 16px 14px; }
  .table-wrap { border-radius: var(--radius-md); }
  .form-grid.two-columns { grid-template-columns: 1fr; }
  .span-two { grid-column: span 1; }
  .dialog-form { padding: 20px; gap: 20px; }
  .dialog-form footer { flex-wrap: wrap; }
  .log-filter-form, .recharge-filter-form { grid-template-columns: 1fr; padding: var(--space-4); }
  .log-filter-form label:nth-child(3), .recharge-filter-form label:nth-child(4) { grid-column: span 1; }
  .funds-toolbar { padding: var(--space-4); }
  .recharge-package-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 12px; }
  .package-row-actions { grid-column: 1 / -1; grid-row: auto; justify-content: end; flex-wrap: wrap; }
  .recharge-package-footer { flex-wrap: wrap; }
  .inline-selection-form, .payment-option-list article { grid-template-columns: minmax(0, 1fr); }
  .log-detail-metadata { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .log-detail-metadata dd { margin-bottom: 12px; }
}
/* Compact visual controls retain a larger touch target on touch-first devices. */
@media (pointer: coarse) {
  .button-sm, .table-action, .brand-admin button.button-sm { min-height: var(--button-height); padding-block: 8px; }
  .button-sm.button-icon { width: var(--button-height); min-width: var(--button-height); padding: 0; }
  .icon-button { width: var(--button-height); height: var(--button-height); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .upload-progress span { width: 100%; opacity: .65; }
}