.ui-button{box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:var(--control-h);min-width:var(--control-h);padding:0 var(--control-px);border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--bg-surface);color:var(--fg-default);font:inherit;font-size:var(--text-body);font-weight:var(--weight-strong);line-height:var(--leading-tight);white-space:nowrap;text-decoration:none;cursor:pointer;transition-property:background-color,border-color,color;transition-duration:var(--motion-fast)}.ui-button:hover{background:var(--bg-hover)}.ui-button:focus-visible{outline:var(--focus-width) solid var(--focus-ring);outline-offset:var(--focus-offset)}.ui-button[data-variant=primary]{border-color:var(--accent);background:var(--accent);color:var(--fg-on-accent)}.ui-button[data-variant=primary]:hover{border-color:var(--accent-hover);background:var(--accent-hover)}.ui-button[data-variant=ghost]{border-color:transparent;background:transparent;color:var(--accent-fg)}.ui-button[data-variant=ghost]:hover{background:var(--accent-soft)}.ui-button[data-variant=danger]{border-color:var(--danger);background:var(--danger);color:var(--fg-on-accent)}.ui-button[data-size=sm]{min-height:var(--control-h-sm);min-width:var(--control-h-sm);padding:0 var(--space-3);font-size:var(--text-meta)}.ui-button[data-block=true]{width:100%}.ui-button[data-icon-only=true]{padding:0}.ui-button:disabled,.ui-button[aria-disabled=true]{opacity:var(--disabled-opacity);cursor:not-allowed}.ui-button>svg,.ui-button-icon>svg{width:18px;height:18px;flex:none}.ui-button-icon{display:inline-flex;flex:none}.ui-button-spinner{width:16px;height:16px;flex:none;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:ui-button-spin .8s linear infinite}@keyframes ui-button-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.ui-button-spinner{animation:none}}.ui-dialog{--ui-dialog-width: 560px;box-sizing:border-box;width:min(var(--ui-dialog-width),calc(100vw - 2 * var(--gutter)));max-width:none;max-height:min(85vh,760px);padding:0;border:0;border-radius:var(--radius-lg);background:var(--bg-surface);color:var(--fg-default);box-shadow:var(--shadow-3);font-family:var(--font-sans);font-size:var(--text-body);line-height:var(--leading-normal);overflow:hidden;overscroll-behavior:contain}.ui-dialog[open]{display:flex}.ui-dialog[data-size=sm]{--ui-dialog-width: 420px}.ui-dialog[data-size=lg]{--ui-dialog-width: 760px}.ui-dialog:focus{outline:none}.ui-dialog::backdrop{background:var(--scrim)}.ui-dialog-frame{display:flex;flex:1 1 auto;flex-direction:column;min-width:0;min-height:0}.ui-dialog-head{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-4) var(--space-4) var(--space-3) var(--space-5)}.ui-dialog-heading{display:grid;flex:1 1 auto;gap:var(--space-1);min-width:0;padding-top:calc((var(--control-h) - var(--text-lg) * var(--leading-tight)) / 2)}.ui-dialog-heading h2{margin:0;font-size:var(--text-lg);font-weight:var(--weight-title);line-height:var(--leading-tight)}.ui-dialog-description{margin:0;color:var(--fg-muted);font-size:var(--text-meta)}.ui-dialog-icon{display:grid;flex:none;place-items:center;width:40px;height:40px;border-radius:var(--radius-md);background:var(--bg-sunken);color:var(--fg-muted)}.ui-dialog-icon>svg{width:22px;height:22px}.ui-dialog[data-tone=danger] .ui-dialog-icon{background:var(--danger-soft);color:var(--danger)}.ui-dialog-body{display:grid;flex:1 1 auto;align-content:start;gap:var(--space-3);min-height:0;padding:0 var(--space-5) var(--space-4);overflow-y:auto;scroll-padding-top:40px}.ui-dialog-foot{display:flex;flex:none;flex-wrap:wrap;justify-content:flex-end;gap:var(--space-2);padding:var(--space-3) var(--space-5);border-top:1px solid var(--border-default);background:var(--bg-sunken)}@media (max-width: 640px){.ui-dialog[data-size=md],.ui-dialog[data-size=lg]{top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;height:100dvh;max-height:none;margin:0;border-radius:0}.ui-dialog[data-size=md] .ui-dialog-foot,.ui-dialog[data-size=lg] .ui-dialog-foot{padding-bottom:calc(var(--space-3) + env(safe-area-inset-bottom))}.ui-dialog[data-size=md] .ui-dialog-head,.ui-dialog[data-size=lg] .ui-dialog-head{padding-top:calc(var(--space-4) + env(safe-area-inset-top))}}.ui-sheet{box-sizing:border-box;width:min(640px,100vw);max-width:none;max-height:92vh;max-height:92dvh;margin:auto auto 0;padding:0;border:0;border-radius:var(--radius-lg) var(--radius-lg) 0 0;background:var(--bg-surface);color:var(--fg-default);box-shadow:var(--shadow-3);font-family:var(--font-sans);font-size:var(--text-body);line-height:var(--leading-normal);overflow:hidden;overscroll-behavior:contain}.ui-sheet[open]{display:flex}.ui-sheet:focus{outline:none}.ui-sheet::backdrop{background:var(--scrim)}.ui-sheet-frame{display:flex;flex:1 1 auto;flex-direction:column;min-width:0;min-height:0}.ui-sheet-grip{flex:none;width:40px;height:4px;margin:var(--space-2) auto 0;border-radius:var(--radius-pill);background:var(--border-strong)}.ui-sheet-head{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-2) var(--space-3) var(--space-2) var(--gutter)}.ui-sheet-heading{display:grid;flex:1 1 auto;gap:2px;min-width:0;padding-top:calc((var(--control-h) - var(--text-lg) * var(--leading-tight)) / 2)}.ui-sheet-heading h2{margin:0;font-size:var(--text-lg);font-weight:var(--weight-title);line-height:var(--leading-tight)}.ui-sheet-meta{margin:0;color:var(--fg-muted);font-size:var(--text-meta)}.ui-sheet-body{display:grid;flex:1 1 auto;align-content:start;gap:var(--space-3);min-height:0;padding:0 var(--gutter) var(--space-4);overflow-y:auto;scroll-padding-top:40px}.ui-sheet-foot{display:flex;flex:none;flex-wrap:wrap;justify-content:flex-end;gap:var(--space-2);padding:var(--space-3) var(--gutter) calc(var(--space-3) + env(safe-area-inset-bottom));border-top:1px solid var(--border-default);background:var(--bg-surface)}.ui-badge{box-sizing:border-box;display:inline-flex;align-items:center;gap:var(--space-1);padding:2px var(--space-2);border-radius:var(--badge-radius);background:var(--bg-sunken);color:var(--fg-muted);font-size:var(--text-meta);font-weight:var(--weight-strong);line-height:1.5;white-space:nowrap}.ui-badge[data-tone=accent]{background:var(--accent-soft);color:var(--accent-fg)}.ui-badge[data-tone=urgent]{background:var(--urgent-soft);color:var(--urgent)}.ui-badge[data-tone=success]{background:var(--success-soft);color:var(--success)}.ui-badge[data-tone=warning]{background:var(--warning-soft);color:var(--warning)}.ui-badge[data-tone=danger]{background:var(--danger-soft);color:var(--danger)}.ui-badge[data-tone=info]{background:var(--info-soft);color:var(--info)}.ui-badge[data-dot=true]:before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:currentColor}:root{--legacy-base-note-bg: #fff5e9;--legacy-base-note-border: #f0d9bf;--legacy-base-note-fg: #765332;--legacy-base-button-fg: #26384d;--legacy-base-button-primary-hover-bg: #ad3b08;--legacy-base-icon-fg: #718093;--legacy-base-select-border: #ced7e1;--legacy-base-select-fg: #27384d;--legacy-base-hint-fg: #657387;--legacy-base-empty-icon-fg: #8a99ac;--legacy-base-section-border: #e7ebf0;--legacy-base-loading-fg: #617084;--legacy-open-urgent-border: #b42318;--legacy-open-urgent-fg: #b42318;--legacy-open-mode-reuse-fg: #067647;--legacy-open-mode-exam-fg: #b54708;--legacy-open-caveat-fg: #73542d;--legacy-library-status-ok-fg: #067647;--legacy-library-status-ok-bg: #ecfdf3;--legacy-library-status-ended-fg: #b54708;--legacy-library-coverage-fg: #765332;--legacy-library-toggle-hover-bg: #f2f5f9;--legacy-list-search-border: #cfd7e1;--legacy-list-search-icon-fg: #6b7b8e;--legacy-list-search-focus-ring: #e64b0a18;--legacy-list-filter-label-fg: #536176;--legacy-list-picked-border: #efc9af;--legacy-list-picked-bg: #fff4eb;--legacy-list-picked-fg: #933b14;--legacy-list-card-hover-border: #d5b5a2;--legacy-list-card-hover-shadow: #172a4108;--legacy-list-card-meta-fg: #6d7785;--legacy-list-chip-fg: #465973;--legacy-list-chip-bg: #f1f4f7;--legacy-list-chip-closed-fg: #777;--legacy-list-major-fg: #546278;--legacy-list-major-label-fg: #8290a0;--legacy-list-card-divider: #eef1f4;--legacy-list-facts-term-fg: #66768a;--legacy-list-source-fg: #586a7f;--legacy-list-source-summary-fg: #33485f;--legacy-list-source-link-fg: #aa3e0c;--legacy-list-note-border: #cfd7e1;--legacy-list-note-hint-fg: #657387;--legacy-list-tray-border: #d7dde5;--legacy-list-tray-shadow: #15274021;--legacy-list-compare-head-bg: #f4f6f9;--legacy-list-compare-label-fg: #66768a;--legacy-list-verdict-open: #067647;--legacy-announcements-summary-fg: #58677b;--legacy-preparation-filter-active-border: #e9b797;--legacy-preparation-progress-fg: #485e74;--legacy-profile-divider: #e1e7ee;--legacy-profile-meets: #067647;--legacy-profile-unknown: #b54708;--legacy-profile-field-border: #ced7e1;--legacy-profile-card-border: #d9e1ea;--legacy-profile-review-bg: #f4f6f9;--legacy-profile-review-heading-fg: #56687d;--legacy-profile-next-fg: #73542d;--legacy-profile-unlock-fg: #067647;--legacy-profile-unlock-bg: #ecfdf3}.backup-panel{margin:24px 0 8px}.backup-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}.backup-import{position:relative;cursor:pointer}.backup-import input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.backup-import:focus-within{outline:2px solid var(--color-accent-deep);outline-offset:2px}.backup-preview{margin-top:12px;padding:14px 16px;border:1px solid var(--color-border-muted);border-radius:12px;background:var(--color-surface-sunken)}.backup-preview>p{margin:0 0 8px;font-size:15px;line-height:1.7}.buyer-app{--ink: var(--color-ink-soft);--muted: var(--color-text-secondary);--legacy-accent: var(--color-accent-strong);--border: var(--color-border-soft);background:var(--bg-canvas);color:var(--ink);font-size:16px;min-height:100dvh;line-height:1.65}.buyer-app button{font:inherit}.buyer-app [hidden]{display:none!important}.buyer-page-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.buyer-page-title h1{font-size:30px;letter-spacing:-.7px;line-height:1.4;margin-top:4px}.buyer-kicker{font-size:14px;color:var(--muted, var(--color-text-secondary))}.annual-purpose{margin-top:4px;font-size:14px;line-height:1.6;color:var(--color-text-secondary)}.buyer-data-note{font-size:14px;background:var(--legacy-base-note-bg);border:1px solid var(--legacy-base-note-border);color:var(--legacy-base-note-fg);border-radius:9px;padding:12px 16px;line-height:1.7;margin:16px 0 22px}.buyer-data-note details{display:inline-block;margin-left:12px}.buyer-data-note summary{cursor:pointer;text-decoration:underline;text-underline-offset:3px}.buyer-data-note details[open]{display:block;margin:8px 0 0}.buyer-data-note details p{margin-top:8px}.buyer-button{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:10px 17px;border:1px solid var(--color-border-strong);border-radius:8px;background:var(--bg-surface);color:var(--legacy-base-button-fg);text-decoration:none;font-size:14px;font-weight:550;line-height:1.5;cursor:pointer}.buyer-button.primary{background:var(--color-accent-strong);color:var(--fg-on-accent);border-color:var(--color-accent-strong)}.buyer-button.primary:hover{background:var(--legacy-base-button-primary-hover-bg)}.buyer-link{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;background:transparent;color:var(--color-accent-deep);font-size:14px;min-height:44px;min-width:44px;padding:6px 4px;text-decoration:none}.buyer-icon{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;background:transparent;border:0;color:var(--legacy-base-icon-fg);border-radius:8px}.buyer-icon svg{width:22px;height:22px}.buyer-icon.chosen{color:var(--color-accent-strong);background:var(--color-accent-bg)}.buyer-section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.buyer-section-title h2{font-size:16px}.buyer-app select{min-height:46px;width:100%;min-width:0;padding:9px 10px;border:1px solid var(--legacy-base-select-border);background:var(--bg-surface);border-radius:8px;color:var(--legacy-base-select-fg);font-size:16px}.buyer-hint{font-size:14px;color:var(--legacy-base-hint-fg);line-height:1.75;margin:12px 0}.buyer-empty{padding:56px 16px;text-align:center;background:var(--bg-surface);border:1px solid var(--border);border-radius:12px}.buyer-empty>svg{width:36px;height:36px;color:var(--legacy-base-empty-icon-fg);margin-bottom:14px}.buyer-empty h2{font-size:21px}.buyer-empty p{color:var(--muted);margin:10px 0 20px}.buyer-detail-section{padding:22px 0;border-bottom:1px solid var(--legacy-base-section-border)}.buyer-detail-section:first-child{padding-top:0}.buyer-detail-section h2{font-size:18px;margin-bottom:13px}.buyer-detail-section p{font-size:16px;line-height:1.85}.buyer-check{display:flex;gap:10px;align-items:center;font-size:14px;min-height:44px}.buyer-check input{width:18px;height:18px;accent-color:var(--color-accent-strong)}.buyer-loading{padding:36px;text-align:center;color:var(--legacy-base-loading-fg)}@media (max-width: 700px){.buyer-page-title{display:block;margin-bottom:14px}.buyer-page-title h1{font-size:25px;letter-spacing:-.5px}.buyer-page-title>.buyer-link{font-size:14px;min-height:44px;padding:0}.buyer-kicker{font-size:14px}.buyer-data-note{padding:11px 13px;margin:14px 0 18px;font-size:14px}.buyer-data-note details{display:block;margin:4px 0 0}.buyer-detail-section{padding:20px 0}.buyer-empty{padding:38px 18px}}@media (max-width: 700px){.buyer-app .buyer-kicker,.buyer-app .buyer-hint,.buyer-app .buyer-result-bar p,.buyer-app .buyer-data-note{font-size:14px}}.buyer-header{height:76px;background:var(--header-bg);color:var(--header-fg);border-bottom:1px solid transparent;display:flex;align-items:center;gap:56px;padding:0 max(28px,calc((100% - 1200px)/2));position:sticky;top:0;z-index:15}.buyer-brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;white-space:nowrap;min-height:44px}.buyer-brand-mark{display:grid;place-items:center;width:28px;height:28px;border-radius:var(--radius-sm);background:var(--brand-mark);color:var(--fg-on-accent);font-size:var(--text-sm);font-weight:800}.buyer-brand strong{font-size:21px;letter-spacing:.5px}.buyer-brand small{font-size:14px;color:var(--header-fg-muted);border-left:1px solid var(--fg-inverse-muted);padding-left:13px;margin-left:4px}.buyer-header nav{display:flex;align-self:stretch;gap:34px;flex:1}.buyer-header nav a{position:relative;display:flex;align-items:center;gap:8px;border-bottom:3px solid transparent;padding:0 6px;color:var(--header-fg-muted);text-decoration:none}.buyer-header nav a[aria-current=page]{color:var(--header-fg);border-bottom-color:var(--accent);font-weight:650}.buyer-header a:focus-visible,.buyer-bottom-nav a:focus-visible{outline:var(--focus-width) solid var(--focus-ring);outline-offset:calc(-1 * var(--focus-width) - 2px)}.buyer-main{max-width:1256px;margin:auto;padding:32px 28px 110px}.buyer-tab-count{min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--accent);color:var(--fg-on-accent);font-size:var(--text-sm);font-weight:700;line-height:20px;text-align:center}.buyer-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.buyer-bottom-nav{display:none}.buyer-toast{position:fixed;bottom:100px;left:50%;transform:translate(-50%);z-index:100;background:var(--bg-inverse);color:var(--fg-inverse);padding:12px 20px;border-radius:var(--radius-md);font-size:14px;max-width:calc(100% - 32px);text-align:center;box-shadow:var(--shadow-3)}.buyer-storage-error{padding:12px 24px;background:var(--warning-soft);color:var(--warning);font-size:14px}.buyer-skip{position:fixed;left:10px;top:-100px;z-index:100;background:var(--bg-surface);padding:10px}.buyer-skip:focus{top:10px}.buyer-main:focus{outline:none}@media (max-width: 1000px){.buyer-header{gap:28px}.buyer-header nav{gap:20px}}@media (max-width: 700px){.buyer-header{height:60px;padding:0 16px;gap:12px;justify-content:space-between}.buyer-brand strong{font-size:19px}.buyer-brand small{font-size:14px;padding-left:10px}.buyer-header nav{display:none}.buyer-main{padding:22px 16px calc(155px + env(safe-area-inset-bottom))}.buyer-bottom-nav{display:flex;justify-content:space-around;position:fixed;bottom:0;left:0;right:0;border-top:1px solid var(--border-default);background:var(--bg-surface);padding:5px 8px calc(5px + env(safe-area-inset-bottom));z-index:25}.buyer-bottom-nav a{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:0;background:none;color:var(--fg-subtle);min-height:50px;flex:1;font-size:14px;text-decoration:none}.buyer-bottom-nav svg{width:23px;height:23px}.buyer-bottom-nav .buyer-tab-count{position:absolute;top:2px;left:calc(50% + 6px)}.buyer-bottom-nav a[aria-current=page]{color:var(--accent-fg);font-weight:600}.buyer-toast{bottom:calc(145px + env(safe-area-inset-bottom))}}.help-page{max-width:760px}.buyer-back-row{display:flex;align-items:center;margin-bottom:22px}.buyer-back-row a:focus-visible{outline:var(--focus-width) solid var(--focus-ring);outline-offset:var(--focus-offset)}@media (max-width: 700px){.buyer-back-row{margin-bottom:10px}.buyer-app .buyer-main{padding-top:16px}}.open-page-sub{margin-top:4px;font-size:14px;color:var(--color-text-secondary)}.open-card-list{list-style:none;margin:16px 0;padding:0;display:flex;flex-direction:column;gap:12px}.open-card-list>li{padding:16px;border:1px solid var(--color-border-muted);border-radius:12px;background:var(--bg-surface);border-left:3px solid var(--color-border-strong)}.open-card-list>li.urgent{border-left-color:var(--legacy-open-urgent-border)}.open-card-when{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:6px}.open-card-when>strong{font-size:17px;color:var(--color-accent-deep);font-variant-numeric:tabular-nums}.open-card-list>li.urgent .open-card-when>strong{color:var(--legacy-open-urgent-fg)}.open-card-when>span{font-size:14px;color:var(--color-text-secondary)}.open-card-live{font-variant-numeric:tabular-nums}.open-card-deadlines{margin:0 0 10px;padding:10px 12px;border-radius:8px;background:var(--color-surface-sunken);font-size:14px;line-height:1.6;list-style:none}.open-card-deadlines>li{display:flex;gap:8px;align-items:baseline}.open-card-deadlines>li+li{margin-top:4px}.open-card-deadlines 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