:root{--bg:#eaf5ff;--surface:#f8fcff;--header:#d6ebfc;--text:#153a66;--muted:#58738e;--blue:#296eae;--burgundy:#8e2942;--burgundy-soft:#f5e7eb;--green:#318a58;--font-scale:1;color-scheme:light}
*{box-sizing:border-box}html{font-size:calc(16px * var(--font-scale));background:var(--bg)}body{margin:0;font-family:ui-rounded,"SF Pro Rounded",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}button,input,select{font:inherit}.app-shell{max-width:700px;min-height:100vh;margin:auto;padding-bottom:calc(148px + env(safe-area-inset-bottom))}.topbar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;padding:calc(12px + env(safe-area-inset-top)) 18px 10px;background:rgba(234,245,255,.94);backdrop-filter:blur(18px)}.eyebrow{margin:0;color:var(--burgundy);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}h1,h2{margin:.15rem 0;font-weight:700}.icon-button{border:0;background:var(--header);color:var(--text);width:44px;height:44px;border-radius:14px;font-size:1.25rem}.screen{display:none;padding:8px 16px 24px}.screen.active{display:block}.scope-toggle,.period-toggle{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;background:#dce8f2;padding:3px;border-radius:11px;margin:4px 0 10px}.scope-toggle button,.period-toggle button{border:0;border-radius:9px;padding:7px;background:transparent;color:var(--muted)}.scope-toggle button.active,.period-toggle button.active{background:var(--surface);color:var(--text);box-shadow:0 1px 4px #7794aa40}.picker-row{width:100%;display:flex;justify-content:space-between;align-items:center;border:0;background:transparent;color:var(--text);padding:12px 4px}.picker-row span{color:var(--muted)}.store-banner{margin:4px 0 10px;padding:12px 14px;border-radius:14px;background:var(--burgundy-soft);color:var(--burgundy);font-weight:700}.hidden{display:none!important}.summary{display:flex;justify-content:space-between;color:var(--muted);font-size:.9rem;padding:10px 2px}.department{margin-bottom:12px}.department-title{position:sticky;top:74px;z-index:2;display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--header);border-radius:12px 12px 4px 4px;font-weight:700}.item{display:grid;grid-template-columns:34px 1fr 42px;align-items:center;gap:4px;padding:13px 8px;background:var(--surface);border-bottom:1px solid #d9e6ef}.item:last-child{border-radius:0 0 12px 12px;border:0}.check,.delete{border:0;background:transparent;font-size:1.2rem}.check{color:var(--blue)}.delete{color:var(--burgundy)}.item-name{font-weight:600}.item-meta{font-size:.82rem;color:var(--muted);margin-top:2px}.purchased .item-name{text-decoration:line-through;color:var(--muted)}.empty{padding:60px 20px;text-align:center;color:var(--muted)}.bottom-actions{position:fixed;z-index:8;left:50%;transform:translateX(-50%);bottom:calc(63px + env(safe-area-inset-bottom));width:min(700px,100%);padding:8px 16px;background:rgba(248,252,255,.96);backdrop-filter:blur(18px)}.action-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:8px}.primary-button,.secondary-button{min-height:44px;border-radius:12px;font-weight:700}.primary-button{width:100%;border:0;background:var(--blue);color:#fff}.secondary-button{border:1px solid var(--blue);background:var(--surface);color:var(--blue)}.tabbar{position:fixed;z-index:9;left:50%;transform:translateX(-50%);bottom:0;width:min(700px,100%);display:grid;grid-template-columns:repeat(3,1fr);padding:7px 6px calc(6px + env(safe-area-inset-bottom));background:rgba(248,252,255,.97);border-top:1px solid #d3e2ee;backdrop-filter:blur(18px)}.tabbar button{border:0;background:transparent;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:2px}.tabbar button.active{color:var(--burgundy)}.tabbar span{font-size:.72rem}.section-heading{display:flex;justify-content:space-between;align-items:center}.text-danger{border:0;background:transparent;color:var(--burgundy)}.panel,.history-card,.stat-card{background:var(--surface);border-radius:16px;padding:14px;margin:12px 0}.history-head{display:flex;justify-content:space-between;gap:12px}.history-store{color:var(--burgundy);font-weight:700}.history-date,.hint,.range-labels{color:var(--muted);font-size:.82rem}.history-items{margin:10px 0 0;padding-left:20px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.stat-card{text-align:left}.stats-grid .stat-card{text-align:center;margin:0}.stat-value{font-size:1.5rem;font-weight:800}.ranking{list-style:none;padding:0;margin:8px 0}.ranking li{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid #dce7ef}.ranking li:last-child{border:0}label{font-weight:700;display:block;margin-bottom:8px}select,input[type=range]{width:100%}select{padding:11px;border:1px solid #b9cedd;border-radius:10px;background:#fff;color:var(--text)}.range-labels{display:flex;justify-content:space-between}.preview{margin-bottom:0}.modal-form h2{margin-bottom:16px}.modal-form input,.modal-form textarea{width:100%;padding:12px;border:1px solid #b9cedd;border-radius:10px;margin-bottom:10px;color:var(--text)}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:8px}.modal-actions button,.choice-list button{border:0;border-radius:10px;padding:11px 14px}.choice-list{display:grid;gap:7px;max-height:65vh;overflow:auto}.choice-list button{text-align:left;background:var(--header);color:var(--text)}dialog{width:min(520px,calc(100% - 24px));border:0;border-radius:18px;padding:18px;background:var(--surface);color:var(--text)}dialog::backdrop{background:#14324c70;backdrop-filter:blur(4px)}@media(max-width:390px){.screen{padding-inline:11px}.bottom-actions{padding-inline:11px}.department-title{top:70px}.stats-grid{grid-template-columns:1fr}.tabbar span{font-size:.68rem}}