:root{color-scheme:dark;--bg:#101512;--surface:#181f1a;--raised:#202922;--line:#303b32;--text:#f1f4ef;--muted:#abb6ac;--green:#caf58b;--ink:#1c2d12;--radius:20px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.5}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;color:inherit}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible{outline:3px solid var(--green);outline-offset:4px}a{color:inherit;text-decoration:none}button{transition:background .16s,transform .16s}button:hover{filter:brightness(1.09)}button:active{transform:translateY(1px)}[hidden]{display:none!important}.sidebar{padding:24px 20px 0}.brand{display:flex;align-items:center;gap:12px;font-size:23px;font-weight:650;letter-spacing:-.6px}.brand-mark{display:grid;place-content:center;width:44px;height:44px;background:var(--green);color:var(--ink);border-radius:13px;font-size:24px;letter-spacing:-4px;padding-right:4px}.brand-mark span{display:inline}.brand small{display:block;font-size:10px;color:var(--muted);letter-spacing:2px;font-weight:500}.sidebar nav{display:flex;gap:4px;margin:25px 0 0;border-bottom:1px solid var(--line);padding-bottom:12px}.sidebar nav button{flex:1;border-radius:10px;padding:10px 4px;background:transparent;color:var(--muted);font-size:14px}.sidebar nav button span{display:none}.sidebar nav .active{background:var(--raised);color:var(--green)}.sidebar-foot{display:none}main{padding:0 20px;max-width:1540px;margin:auto}.topbar{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:23px 0;color:var(--muted);font-size:13px}.storage-label{display:none}h1,h2,h3,p{margin-top:0}h1{font-size:30px;line-height:1.15;letter-spacing:-1.2px;margin-bottom:10px;font-weight:600}h2{font-size:21px;letter-spacing:-.5px;font-weight:600}h3{font-size:18px;font-weight:600}.muted,.intro p{color:var(--muted)}.intro{margin:15px 0 26px}.intro p{margin:0}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:1.8px;font-weight:650}.intro .eyebrow{color:var(--green);margin-bottom:12px}.heading-row{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:30px 0 16px}.heading-row h2{margin:0}.text-button{background:transparent;color:var(--green);padding:8px 0;font-size:14px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:23px}.today-grid{display:grid;gap:16px}.hero-card{background:var(--green);color:var(--ink);border:0;position:relative;overflow:hidden;padding:25px}.hero-card .eyebrow{opacity:.8}.hero-card h2{font-size:35px;letter-spacing:-1.4px;margin:26px 0 5px;line-height:1.1}.hero-card .topic-line{margin:0 0 25px;color:#3f572c;font-size:17px;min-height:26px}.hero-card .secondary{border:1px solid #94b76b;color:var(--ink);background:transparent}.hero-card .primary{background:#1d3018;color:#f2fbe8}.hero-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.badge{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);padding:5px 10px;border-radius:99px;font-size:12px;color:var(--muted);white-space:nowrap}.hero-card .badge{border-color:#97b973;color:#2d4920}.badge.complete{background:#24472e;color:#b0e8bf;border-color:#365740}.subject-tag{display:inline-flex;gap:8px;align-items:center}.subject-symbol{font-size:18px;opacity:.85}.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.primary,.secondary{border-radius:11px;padding:11px 16px;font-weight:600;font-size:14px;min-height:44px}.primary{background:var(--green);color:var(--ink)}.secondary{background:var(--raised);border:1px solid var(--line)}.more-study{margin-top:20px;display:flex;justify-content:space-between;align-items:center;gap:12px;padding-top:20px;border-top:1px solid #9fc477}.more-study small{display:block}.more-study button{background:#bbE780;color:var(--ink);border-radius:10px;padding:10px 14px}.session-list{display:grid;gap:14px}.session-item{display:flex;justify-content:space-between;gap:12px;align-items:center}.session-item button{background:var(--raised);padding:9px 12px;border-radius:9px}.session-item p{margin:2px 0;font-size:14px;color:var(--muted)}.session-item strong{font-size:16px}.side-card{display:flex;flex-direction:column;justify-content:space-between;gap:16px}.side-card h3{margin-bottom:6px}.side-card .big-time{font-size:42px;line-height:1.2;letter-spacing:-1.5px;font-weight:550;margin:6px 0}.side-card p{color:var(--muted);font-size:14px;margin-bottom:0}.streak{padding-top:18px;border-top:1px solid var(--line)}.streak strong{color:#eac99a;font-size:17px}.week-grid{display:grid;gap:9px}.day-card{border:1px solid var(--line);border-radius:15px;background:var(--surface);padding:17px;text-align:left;min-width:0;display:grid;grid-template-columns:70px 1fr auto;align-items:center;gap:10px}.day-card.selected{border-color:#8fae70;background:#232e20}.day-card .day-date{font-size:14px;color:var(--muted)}.day-card .day-date strong{display:block;color:var(--text);font-size:18px}.day-subject{font-size:14px;font-weight:600}.day-topic{font-size:12px;color:var(--muted);margin-top:5px;overflow-wrap:anywhere}.day-foot{font-size:13px;color:var(--muted)}.day-foot .check{display:block;text-align:right;font-size:20px;color:var(--green)}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat{padding:20px}.stat small{color:var(--muted);font-size:13px}.stat .number{font-size:29px;font-weight:550;letter-spacing:-1px;line-height:1.3;margin-top:12px}.stat p{font-size:12px;color:var(--muted);margin:6px 0 0}.stats-layout{display:grid;gap:16px}.bar-row{margin:20px 0}.bar-label{display:flex;justify-content:space-between;gap:10px;font-size:14px}.bar-track{height:7px;background:#2c362d;border-radius:8px;margin-top:9px;overflow:hidden}.bar-fill{height:100%;background:var(--green);border-radius:8px;transition:width .3s}.bar-row.secondary-subject .bar-fill{background:#90a69b}.bar-row.secondary-subject .bar-label{color:var(--muted)}.week-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:22px 0}.week-nav button{background:var(--raised);min-width:44px;min-height:44px;border-radius:10px}.week-nav strong{font-size:15px;margin:0 6px}.week-nav .current{font-size:13px;padding:0 12px;color:var(--green)}.day-detail{margin-top:22px}.day-detail .session-item{padding:16px 0;border-top:1px solid var(--line)}.history-list{display:grid;gap:12px}.history-card{display:block;width:100%;text-align:left}.history-card .history-metrics{display:flex;gap:25px;margin:14px 0}.history-card p{color:var(--muted);font-size:14px;margin:0}.empty{padding:36px 24px;text-align:center}.empty h2{margin-bottom:8px}.empty p{color:var(--muted)}footer{display:flex;flex-direction:column;gap:14px;border-top:1px solid var(--line);padding:26px 0 35px;margin-top:38px}footer strong{font-weight:500;font-size:14px}footer p{font-size:12px;color:var(--muted);max-width:470px;margin:6px 0}.backup-actions{display:flex;gap:8px;flex-wrap:wrap}.backup-actions button{font-size:13px;padding:10px 12px}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:10;background:var(--green);color:var(--ink);border-radius:12px;padding:12px 20px;box-shadow:0 6px 30px #0007;max-width:calc(100% - 32px);width:max-content;pointer-events:none;opacity:0;transition:opacity .2s}#toast.visible{opacity:1}dialog{background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:22px;padding:26px;max-width:560px;width:calc(100% - 28px);max-height:90dvh;overflow:auto;box-shadow:0 25px 100px #0008}dialog::backdrop{background:#060a08bb;backdrop-filter:blur(5px)}.dialog-top{display:flex;justify-content:space-between;gap:20px;align-items:center}.dialog-top h2{margin:0}.close{background:var(--raised);border-radius:50%;width:38px;height:38px;font-size:22px}.form-field{display:block;margin-top:20px;font-size:14px}.form-field input,.form-field textarea,.form-field select{display:block;width:100%;border:1px solid #485448;border-radius:10px;background:#111813;color:var(--text);padding:12px;margin-top:8px;outline-color:var(--green);font-size:16px;min-height:47px}.form-field textarea{resize:vertical;min-height:90px}.hint{font-size:12px;color:var(--muted);display:block;margin-top:5px}.form-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.form-error{color:#ffb4a6;font-size:14px;min-height:21px;margin-top:12px}.install-info{margin:20px 0 0;font-size:13px;color:var(--muted)}.notice{background:#473a20;color:#ffe2a3;border-radius:12px;padding:16px;margin-bottom:20px}.chart-days{display:flex;gap:14px;height:155px;align-items:end;margin:20px 0 5px}.chart-column{flex:1;text-align:center;min-width:0;font-size:12px;color:var(--muted)}.chart-bar{width:60%;margin:auto auto 9px;min-height:3px;background:var(--green);border-radius:6px 6px 2px 2px}.chart-column span{display:block}.chart-column small{font-size:10px}
@media(min-width:700px){main{padding:0 32px}.sidebar{padding-left:32px;padding-right:32px}.today-grid{grid-template-columns:1.65fr 1fr}.hero-card{padding:30px}.stat-grid{grid-template-columns:repeat(4,1fr)}.week-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:8px}.day-card{display:flex;flex-direction:column;align-items:flex-start;gap:15px;padding:14px 10px;min-height:185px}.day-card .day-date strong{display:inline;margin-left:5px;font-size:14px}.day-subject{font-size:12px;overflow-wrap:anywhere}.day-foot{margin-top:auto;width:100%;display:flex;justify-content:space-between;align-items:center}.day-foot .check{font-size:16px}.stats-layout{grid-template-columns:1fr 1fr}.storage-label{display:inline}.topbar{font-size:14px}footer{flex-direction:row;justify-content:space-between;align-items:center}h1{font-size:38px}}
@media(min-width:1100px){.sidebar{position:fixed;left:0;top:0;bottom:0;width:228px;padding:38px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column}.sidebar nav{display:flex;flex-direction:column;border:0;gap:8px;margin-top:55px}.sidebar nav button{text-align:left;padding:13px 18px;flex:0;font-size:15px}.sidebar nav button span{display:inline-block;width:28px;font-size:19px}.sidebar-foot{display:block;margin-top:auto;padding-bottom:20px}.sidebar-foot p{font-size:14px;margin:16px 0 4px}.sidebar-foot small{color:var(--muted);font-size:12px}.leaf{font-size:34px;color:var(--green)}#install{display:block;margin-top:20px;background:var(--raised);border-radius:9px;padding:10px;font-size:13px}main{margin-left:228px;padding:0 45px}.topbar{padding:32px 0;border-bottom:1px solid var(--line)}.intro{margin-top:32px}.today-grid{grid-template-columns:1.9fr 1fr}.hero-card h2{font-size:42px}.hero-card{padding:32px}.day-card{padding:17px 12px}.day-subject{font-size:13px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.brand-mark{display:flex;align-items:center;justify-content:center;flex-shrink:0;letter-spacing:-3px;line-height:1}.session-item>div{min-width:0;overflow-wrap:anywhere}.session-item button{flex-shrink:0}.day-topic+.day-subject{margin-top:9px}.day-card:focus-visible{outline-offset:2px}