:root{--blue:#6f9e83;--blue2:#e7f0e6;--blue3:#cfe0d2;--ink:#2f3a33;--muted:#8b8f84;--red:#e08e79;--amber:#e3b766;--green:#6fae8c;--bg:#f7f3ea;--card:#fffdf8;--code:#f2efe6;--shadow:0 10px 30px rgba(92,110,80,.14);--shadow-sm:0 2px 10px rgba(92,110,80,.08)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{overscroll-behavior:none;margin:0;height:100%;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif}
.page{max-width:560px;margin:0 auto;min-height:100%;padding:12px 16px calc(16px + env(safe-area-inset-bottom))}
.hidden{display:none!important}
.top{display:flex;align-items:center;justify-content:space-between;height:44px}
h1{font-size:22px;margin:0;color:var(--blue)} h2{font-size:17px;margin:20px 0 8px}
.muted{color:var(--muted)} .small{font-size:13px} .center{text-align:center}
button,.btnlike{font:inherit;border:none;border-radius:12px;padding:10px 14px;cursor:pointer;color:var(--ink);background:var(--card)}
.ghost{background:transparent;color:var(--blue);padding:6px 10px}
.primary{background:var(--blue);color:#fff;box-shadow:0 4px 12px #4a8fe733}
.big{width:100%;padding:14px;font-size:18px;margin-top:12px}
.hero{display:flex;gap:10px;margin-top:8px}
.stat{flex:1;background:#fff;border-radius:16px;padding:14px 6px;text-align:center;box-shadow:0 2px 10px #4a8fe714}
.stat b{display:block;font-size:28px;color:var(--blue)} .stat span{font-size:13px;color:var(--muted)}
.deck{display:flex;align-items:center;gap:10px;background:#fff;border-radius:14px;padding:12px;margin-bottom:8px;border:2px solid transparent;box-shadow:0 2px 8px #4a8fe70f}
.deck.on{border-color:var(--blue);background:var(--blue2)}
.deck .chk{width:22px;height:22px;border-radius:50%;border:2px solid var(--blue3);flex:none;display:grid;place-items:center;color:#fff;font-size:13px}
.deck.on .chk{background:var(--blue);border-color:var(--blue)}
.deck .info{flex:1;min-width:0} .deck .name{font-weight:600}
.deck .sub{font-size:12px;color:var(--muted)}
.mbar{height:6px;background:var(--blue2);border-radius:3px;margin-top:6px;overflow:hidden;display:flex}
.mbar i{display:block;height:100%} .mbar .g{background:var(--green)} .mbar .a{background:var(--amber)} .mbar .r{background:var(--red)}
.tools{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px;justify-content:center}
.tools select{font:inherit;border:1px solid var(--blue3);border-radius:8px;background:var(--card)}
#study{display:flex;flex-direction:column;height:100vh;height:100dvh}
.bar{height:4px;background:var(--blue2);border-radius:2px;overflow:hidden} .bar i{display:block;height:100%;width:0;background:var(--blue);transition:width .3s}
#stage{flex:1;position:relative;margin:12px 0;min-height:0}
.card{position:absolute;inset:0;background:#fff;border-radius:22px;box-shadow:0 8px 28px #4a8fe726;padding:22px 20px;overflow:hidden;touch-action:none;user-select:none;transition:transform .25s}
.card.dragging{transition:none}
.face{height:100%;display:flex;flex-direction:column}
.front .q{flex:1;display:flex;align-items:center;justify-content:center;text-align:center;font-size:22px;font-weight:600;padding:0 6px}
.tap{text-align:center;font-size:13px}
.back{overflow-y:auto;touch-action:pan-y}
.meta{font-size:12px;color:var(--muted);display:flex;gap:6px;flex-wrap:wrap}
.pill{background:var(--blue2);color:var(--blue);border-radius:10px;padding:1px 8px;font-size:12px}
.small-q{font-weight:600;font-size:17px;margin:8px 0;color:var(--blue)}
.md{font-size:15px;word-break:break-word} .md p{margin:.5em 0} .md ul,.md ol{padding-left:1.3em}
.md pre{background:#f1f5fb;border-radius:10px;padding:10px;overflow-x:auto;font-size:12.5px;line-height:1.45}
.md code{font-family:ui-monospace,Menlo,Consolas,monospace;background:#f1f5fb;border-radius:4px;padding:0 3px;font-size:.92em}
.md pre code{background:none;padding:0} .md a{color:var(--blue)} .md table{border-collapse:collapse;font-size:13px} .md td,.md th{border:1px solid var(--blue3);padding:3px 6px}
.md blockquote{margin:.5em 0;padding:.2em .8em;border-left:3px solid var(--blue3);color:#5a6a82}
.hint{position:absolute;top:18px;padding:4px 12px;border-radius:10px;font-weight:700;opacity:0;color:#fff;z-index:2}
.hl{right:18px;background:var(--red)} .hr{left:18px;background:var(--green)} .hd{left:50%;transform:translateX(-50%);top:auto;bottom:18px;background:var(--amber)}
.actions{display:flex;gap:10px}
.actions button{flex:1;padding:12px 4px;font-size:16px;font-weight:600;color:#fff;border-radius:14px;display:flex;flex-direction:column;align-items:center}
.actions small{font-size:11px;font-weight:400;opacity:.85}
.b0{background:var(--red)} .b1{background:var(--amber)} .b2{background:var(--green)}
.empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.big-emoji{font-size:56px}
.sheet{position:fixed;inset:0;background:#23324a66;display:flex;align-items:flex-end;justify-content:center;z-index:10}
.sheet-in{background:#fff;width:100%;max-width:560px;max-height:92vh;max-height:92dvh;overflow-y:auto;border-radius:22px 22px 0 0;padding:18px 18px calc(18px + env(safe-area-inset-bottom));animation:up .25s}
@keyframes up{from{transform:translateY(40px);opacity:.4}}
.sheet-head{display:flex;justify-content:space-between;align-items:center}
.linkbtn{display:block;width:100%;text-align:left;background:var(--blue2);color:var(--blue);margin-top:8px;font-size:14px}
#keyInput{width:100%;font:inherit;padding:12px;border:1px solid var(--blue3);border-radius:12px;margin-top:8px}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:#23324ae0;color:#fff;padding:8px 16px;border-radius:20px;font-size:14px;z-index:20}
.card .md pre{white-space:pre-wrap;word-break:break-word}

/* 主题 A：奶油米白 + 鼠尾草绿 */
.stat,.deck,.card,.sheet-in,.btnlike{background:var(--card)}
.stat,.deck{box-shadow:var(--shadow-sm)}
.card{box-shadow:var(--shadow)}
.primary{box-shadow:0 6px 16px rgba(111,158,131,.3)}
.md pre,.md code{background:var(--code)}
.md pre code{background:none}
.sheet{background:rgba(47,58,51,.4)}
.toast{background:rgba(47,58,51,.88)}

/* v0.5 首页分区与学习模式 */
.panel{background:var(--card);border-radius:18px;padding:14px 14px 10px;margin-top:12px;box-shadow:var(--shadow-sm)}
.panel h2{margin:0}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.panel-head select{font:inherit;border:1px solid var(--blue3);border-radius:8px;background:var(--card);color:var(--ink)}
.due-row{display:flex;align-items:center;justify-content:space-between;margin:10px 0 2px}
.bignum{font-size:38px;color:var(--blue);line-height:1}
.due-row .primary{padding:12px 22px;font-size:17px}
.goalbar{height:6px;background:var(--blue2);border-radius:3px;overflow:hidden;margin:8px 0 2px}.goalbar i{display:block;height:100%;width:0;background:var(--amber);transition:width .3s}
.panel .deck{background:var(--bg);box-shadow:none;border:1px solid var(--blue3)}
.deck .arrow{color:var(--muted);font-size:20px}
.topic{display:flex;justify-content:space-between;align-items:center;width:100%;margin-top:8px;background:var(--bg);border:1px solid var(--blue3);text-align:left}
.topic.done{opacity:.55}
#learnPage{display:flex;flex-direction:column;height:100vh;height:100dvh}
.lp-card{flex:1;overflow-y:auto;background:var(--card);border-radius:22px;box-shadow:var(--shadow);padding:18px;margin:12px 0;touch-action:pan-y;transition:transform .2s,opacity .2s}
.lp-q{font-size:19px;font-weight:700;color:var(--blue);margin:8px 0}
.lp-sec{margin-top:14px;padding-top:10px;border-top:1px dashed var(--blue3);font-weight:700;color:var(--blue)}
.later{background:var(--blue2)!important;color:var(--blue)!important}
.lp-actions button{flex-direction:row;justify-content:center}
#learnPage .empty{position:static;flex:1}
.lp-card .md pre{white-space:pre-wrap;word-break:break-word}

.primary.sm{padding:6px 12px;font-size:14px}
.jd-form{display:flex;flex-direction:column;gap:10px;padding:4px 16px 12px}
.jd-form input,.jd-form textarea{width:100%;box-sizing:border-box;border:1px solid var(--blue3);border-radius:12px;padding:10px;font:inherit;background:var(--card,#fff);color:inherit}
.row2{display:flex;gap:8px}
#jdResult{padding:0 0 24px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chip{font-size:13px;padding:4px 10px;border-radius:999px;background:var(--blue);color:#fff}
.chip.gap{background:transparent;color:var(--muted,#888);border:1px dashed var(--muted,#aaa)}
.jd-item{display:flex;gap:8px;align-items:flex-start;padding:8px 0;border-top:1px solid var(--blue2);font-size:14px}
.jd-item .sc{min-width:34px;color:var(--blue);font-weight:600}
.jd-item .hit{font-size:12px;color:var(--muted,#888)}
.sprint{display:flex;align-items:center;gap:8px;padding:10px 0;border-top:1px solid var(--blue2)}
.sprint .info{flex:1;min-width:0}.sprint .name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sprint button{padding:6px 10px;font-size:13px}
#jdPage{overflow-y:auto}