/* ============================================================
   星航 Atlas · 组件样式(引用 tokens.css 的语义 token)
   结构:全局 / 外壳·导航 / 通用卡片 / 今日 / 答题 / 课程 / 星图 / 报告 / 我的 / 详情面板 / 图表
   ============================================================ */
*{box-sizing:border-box;margin:0;padding:0;}
html,body{height:100%;}
body{font-family:var(--font-sans);color:var(--color-text);margin:0;min-height:100vh;background:var(--color-bg);
  background-image:
    radial-gradient(1px 1px at 12% 16%, color-mix(in srgb,var(--color-primary) 18%,transparent), transparent),
    radial-gradient(1.4px 1.4px at 44% 20%, color-mix(in srgb,var(--color-primary) 20%,transparent), transparent),
    radial-gradient(circle at 86% 8%, color-mix(in srgb,var(--color-primary) 8%,transparent), transparent 42%);}
.mono{font-family:var(--font-mono);font-feature-settings:"tnum";}
svg{display:block;}

/* —— 全屏 app 容器:桌面端居中成移动列(像真 app),移动端铺满 —— */
.app{position:relative;width:100%;max-width:460px;margin:0 auto;height:100vh;height:100dvh;
  display:flex;flex-direction:column;overflow:hidden;background:var(--color-bg);
  background-image:
    radial-gradient(1px 1px at 20% 10%, color-mix(in srgb,var(--color-primary) 18%,transparent), transparent),
    radial-gradient(1.3px 1.3px at 74% 6%, color-mix(in srgb,var(--color-primary) 20%,transparent), transparent),
    radial-gradient(circle at 88% 5%, color-mix(in srgb,var(--color-primary) 7%,transparent), transparent 42%);
  box-shadow:0 0 0 1px var(--color-border), 0 18px 60px rgba(15,24,32,.10);}
.stack{flex:1;position:relative;overflow:hidden;}
.view{position:absolute;inset:0;overflow-y:auto;padding:max(20px,env(safe-area-inset-top)) 20px 16px;display:none;}
.view.on{display:block;}
.view::-webkit-scrollbar{width:0;}

/* —— 底部 5 tab —— */
.tabbar{flex:0 0 auto;display:flex;padding:9px 6px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--color-border);background:color-mix(in srgb,var(--color-surface) 80%,transparent);backdrop-filter:blur(8px);}
.tabbar .t{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--color-text-subtle);font-family:var(--font-mono);font-size:9px;cursor:pointer;background:none;border:none;padding:0;}
.tabbar .t svg{width:21px;height:21px;stroke:var(--color-text-subtle);fill:none;stroke-width:1.6;}
.tabbar .t.on{color:var(--color-primary);} .tabbar .t.on svg{stroke:var(--color-primary);}

/* —— 通用 —— */
.row{display:flex;align-items:center;gap:10px;}
.eyebrow{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--color-text-subtle);}
.ghead{display:flex;justify-content:space-between;align-items:flex-end;padding:6px 0 12px;}
.ghead .t1{font-size:21px;font-weight:700;}
.card{margin-top:14px;border-radius:var(--radius-lg);padding:18px;background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);}
.tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);color:var(--color-primary);font-size:10px;letter-spacing:.08em;text-transform:uppercase;}
.tag svg{width:13px;height:13px;stroke:var(--color-primary);fill:none;stroke-width:2;}
.sub{font-size:12.5px;color:var(--color-text-muted);line-height:1.5;}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.muted{color:var(--color-text-subtle);font-size:12px;}
.loading{text-align:center;color:var(--color-text-subtle);font-family:var(--font-mono);font-size:12px;padding:40px 0;}
.btn{flex:1;border:none;border-radius:14px;padding:14px;font-family:var(--font-sans);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;}
.btn svg{width:17px;height:17px;stroke-width:2.2;fill:none;}
.btn-pri{background:var(--color-primary);color:var(--color-on-primary);box-shadow:var(--glow);} .btn-pri svg{stroke:var(--color-on-primary);}
.btn-ghost{background:var(--color-surface-2);color:var(--color-text);border:1px solid var(--color-border-strong);} .btn-ghost svg{stroke:var(--color-text);}
.acts{display:flex;gap:10px;margin-top:16px;}
.pill-toggle{display:flex;gap:6px;}
.pt-btn{font-family:var(--font-mono);font-size:11px;padding:5px 12px;border-radius:999px;border:1px solid var(--color-border-strong);background:transparent;color:var(--color-text-muted);cursor:pointer;}
.pt-btn.on{background:var(--color-primary);color:var(--color-on-primary);border-color:var(--color-primary);}

/* —— 今日(仪表盘)—— */
.subject-switch{display:inline-flex;gap:4px;padding:4px;background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:999px;margin-bottom:6px;}
.subject-switch .ss-btn{border:none;background:none;padding:6px 18px;border-radius:999px;font-size:13px;font-weight:600;color:var(--color-text-muted);cursor:pointer;font-family:var(--font-sans);transition:all .15s;}
.subject-switch .ss-btn.on{background:var(--color-primary);color:var(--color-on-primary);box-shadow:var(--glow);}
.greet{display:flex;justify-content:space-between;align-items:center;padding:6px 0 14px;}
.greet .hi{font-size:21px;font-weight:500;}
.greet .hi span{display:block;font-family:var(--font-mono);color:var(--color-primary);font-size:11px;letter-spacing:.1em;margin-bottom:2px;}
.avatar{width:42px;height:42px;border-radius:13px;background:var(--color-primary-soft);border:1px solid var(--color-primary-line);display:grid;place-items:center;color:var(--color-primary);font-family:var(--font-mono);font-weight:700;font-size:15px;}
.hero{margin-top:14px;border-radius:var(--radius-lg);padding:18px;background:linear-gradient(150deg,var(--color-primary-soft),var(--color-surface));border:1px solid var(--color-primary-line);}
.hero .lab{font-family:var(--font-mono);font-size:10px;color:var(--color-text-muted);letter-spacing:.1em;text-transform:uppercase;}
.hero .big{font-family:var(--font-mono);font-size:54px;font-weight:700;line-height:.95;color:var(--color-primary);margin-top:4px;}
.hero .big small{font-size:16px;color:var(--color-text-subtle);}
.hbar{height:6px;background:color-mix(in srgb,var(--color-text) 10%,transparent);border-radius:6px;margin-top:12px;overflow:hidden;}
.hbar i{display:block;height:100%;background:var(--color-primary);border-radius:6px;box-shadow:0 0 10px color-mix(in srgb,var(--color-primary) 40%,transparent);transition:width .5s;}
/* 目标进度环 + 今日卡 */
.goalcard{margin-top:14px;border-radius:var(--radius-lg);padding:16px 18px;background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:16px;}
.ring{flex:0 0 auto;position:relative;width:64px;height:64px;}
.ring svg{transform:rotate(-90deg);} .ring .rt{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-mono);font-weight:700;font-size:14px;color:var(--color-primary);}
.goalcard .gl{flex:1;}
.goalcard .gl .k{font-family:var(--font-mono);font-size:10px;color:var(--color-text-subtle);letter-spacing:.06em;text-transform:uppercase;}
.goalcard .gl .v{font-size:15px;font-weight:600;margin-top:3px;} .goalcard .gl .v b{color:var(--color-primary);}
.goalcard .gl .s{font-size:11.5px;color:var(--color-text-muted);margin-top:3px;}
.topic{font-size:20px;font-weight:700;margin:9px 0 4px;}
.minis{display:flex;gap:10px;margin-top:12px;}
.mini{flex:1;border:1px solid var(--color-border);border-radius:16px;padding:13px;background:var(--color-surface);box-shadow:var(--shadow-sm);cursor:pointer;}
.mini svg{width:18px;height:18px;stroke:var(--color-primary);fill:none;stroke-width:1.8;margin-bottom:8px;}
.mini .k{font-family:var(--font-mono);font-size:9px;color:var(--color-text-subtle);letter-spacing:.06em;text-transform:uppercase;}
.mini .v{font-size:15px;font-weight:600;margin-top:2px;}
.streak{display:flex;align-items:center;gap:8px;margin-top:16px;color:var(--color-text-muted);font-size:12px;}
.streak svg{width:15px;height:15px;stroke:var(--s-rust);fill:none;stroke-width:1.8;} .streak b{color:var(--color-text);font-weight:700;} .streak .mono{color:var(--color-primary);}
.review-banner{margin-top:14px;border-radius:var(--radius-md);padding:13px 15px;background:color-mix(in srgb,var(--s-rust) 12%,var(--color-surface));border:1px solid color-mix(in srgb,var(--s-rust) 35%,transparent);display:flex;align-items:center;gap:11px;cursor:pointer;}
.review-banner svg{width:20px;height:20px;stroke:var(--s-rust);fill:none;stroke-width:1.8;flex:0 0 auto;}
.review-banner .rb-t{font-size:13px;font-weight:600;} .review-banner .rb-s{font-size:11px;color:var(--color-text-muted);margin-top:1px;}
.review-banner .rb-arrow{margin-left:auto;} .review-banner .rb-arrow svg{width:16px;height:16px;stroke:var(--s-rust);}
.ach-strip{display:flex;gap:8px;margin-top:14px;overflow-x:auto;} .ach-strip::-webkit-scrollbar{height:0;}
.ach-chip{flex:0 0 auto;display:flex;align-items:center;gap:6px;padding:7px 11px;border-radius:999px;border:1px solid var(--color-primary-line);background:var(--color-primary-soft);font-size:11px;color:var(--color-primary-strong);font-weight:600;}
.ach-chip svg{width:13px;height:13px;stroke:var(--color-primary);fill:none;stroke-width:2;}

/* —— 答题 —— */
.qtop{display:flex;align-items:center;justify-content:space-between;padding:4px 0 14px;}
.qtop .back{width:36px;height:36px;border-radius:11px;border:1px solid var(--color-border-strong);background:var(--color-surface);display:grid;place-items:center;cursor:pointer;}
.qtop .back svg{width:18px;height:18px;stroke:var(--color-text);fill:none;stroke-width:1.8;}
.qtop .meta{font-family:var(--font-mono);font-size:11px;color:var(--color-text-subtle);}
.qprog{display:flex;gap:5px;align-items:center;}
.qprog i{width:7px;height:7px;border-radius:50%;background:color-mix(in srgb,var(--color-text) 14%,transparent);}
.qprog i.done{background:var(--color-primary);} .qprog i.cur{background:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft);}
.qcard{border-radius:var(--radius-lg);padding:18px;background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);}
.qcard .qmeta{font-family:var(--font-mono);font-size:10px;color:var(--color-text-subtle);letter-spacing:.05em;margin-bottom:8px;}
.qcard .stem{font-size:15px;line-height:1.7;}
.stem .katex{font-size:1.05em;}
.ansbox{margin-top:14px;}
.ansbox input{width:100%;border:1px solid var(--color-border-strong);border-radius:13px;padding:13px 15px;font-family:var(--font-mono);font-size:17px;color:var(--color-text);background:var(--color-surface);outline:none;}
.ansbox input:focus{border-color:var(--color-primary);}
.choices{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.choices.judge{flex-direction:row;}
.choice{text-align:left;padding:13px 15px;border:1px solid var(--color-border-strong);border-radius:13px;background:var(--color-surface);color:var(--color-text);font-size:14px;cursor:pointer;font-family:var(--font-sans);transition:all .15s;}
.choices.judge .choice{flex:1;text-align:center;font-weight:700;}
.choice.sel{border-color:var(--color-primary);background:var(--color-primary-soft);color:var(--color-primary-strong);font-weight:700;}
/* 多空 */
.blanks{margin-top:14px;display:flex;flex-direction:column;gap:9px;}
.blank-row{display:flex;align-items:center;gap:9px;}
.blank-no{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--color-primary-soft);border:1px solid var(--color-primary-line);color:var(--color-primary);font-family:var(--font-mono);font-size:11px;font-weight:700;display:grid;place-items:center;}
.blank-inp{flex:1;border:1px solid var(--color-border-strong);border-radius:11px;padding:11px 13px;font-size:15px;color:var(--color-text);background:var(--color-surface);outline:none;font-family:var(--font-sans);}
.blank-inp:focus{border-color:var(--color-primary);}
/* 化学方程式键盘(opt1) */
.chem-kp{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px;}
.chem-kp .kp{min-width:42px;padding:9px 12px;border:1px solid var(--color-border-strong);border-radius:11px;background:var(--color-surface-2);color:var(--color-text);font-size:16px;font-weight:700;cursor:pointer;font-family:var(--font-mono);}
.chem-kp .kp:active{background:var(--color-primary-soft);border-color:var(--color-primary);}
.result{margin-top:14px;border-radius:var(--radius-lg);padding:18px;text-align:center;}
.result .disc{width:64px;height:64px;border-radius:50%;margin:0 auto;display:grid;place-items:center;}
.result.ok .disc{background:var(--color-primary);box-shadow:var(--glow);} .result.ok .disc svg{width:32px;height:32px;stroke:var(--color-on-primary);stroke-width:2.6;fill:none;}
.result.bad .disc{background:var(--color-surface);border:1.5px solid var(--s-rust);} .result.bad .disc svg{width:30px;height:30px;stroke:var(--s-rust);stroke-width:1.9;fill:none;}
.result.ok{background:linear-gradient(160deg,var(--color-primary-soft),var(--color-surface));border:1px solid var(--color-primary-line);}
.result.bad{background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);}
.result .rt{font-size:20px;font-weight:700;margin-top:12px;}
.result .rs{font-size:12.5px;color:var(--color-text-muted);margin-top:6px;line-height:1.6;}
.litchip{margin-top:14px;display:inline-flex;align-items:center;gap:7px;background:var(--color-primary-soft);border:1px solid var(--color-primary-line);color:var(--color-primary);padding:8px 14px;border-radius:13px;font-size:13px;}
.litchip svg{width:15px;height:15px;stroke:var(--color-primary);fill:var(--color-primary);}
/* 掌握度变化:隐喻(替代裸小数)*/
.mshift{margin-top:12px;display:flex;flex-direction:column;gap:6px;}
.mshift .mrow{display:flex;align-items:center;gap:9px;font-size:12px;}
.mshift .mrow .nm{flex:0 0 auto;color:var(--color-text-muted);min-width:84px;}
.mshift .mrow .track{flex:1;height:6px;border-radius:6px;background:color-mix(in srgb,var(--color-text) 10%,transparent);position:relative;overflow:hidden;}
.mshift .mrow .track .fill{position:absolute;inset:0 auto 0 0;border-radius:6px;transition:width .6s;}
.mshift .mrow .delta{flex:0 0 auto;font-family:var(--font-mono);font-size:11px;display:flex;align-items:center;gap:3px;}
.mshift .mrow .delta svg{width:11px;height:11px;stroke-width:2.4;fill:none;}
.mshift .up{color:var(--color-primary);} .mshift .up svg{stroke:var(--color-primary);}
.mshift .down{color:var(--s-rust);} .mshift .down svg{stroke:var(--s-rust);}
.mshift .flat{color:var(--color-text-subtle);} .mshift .flat svg{stroke:var(--color-text-subtle);}
.diag{margin-top:14px;border-radius:var(--radius-lg);padding:16px;background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);text-align:left;}
.diag .dh{display:flex;align-items:center;gap:7px;font-family:var(--font-mono);color:var(--color-primary);font-weight:700;font-size:10px;letter-spacing:.08em;text-transform:uppercase;}
.diag .dh svg{width:14px;height:14px;stroke:var(--color-primary);fill:none;stroke-width:2;}
.diag .cause{display:flex;gap:10px;align-items:flex-start;margin-top:11px;}
.diag .cause .pt{width:9px;height:9px;border-radius:50%;margin-top:4px;flex:0 0 auto;}
.diag .cause .nm{font-weight:700;font-size:13.5px;} .diag .cause .ev{font-size:11.5px;color:var(--color-text-muted);margin-top:1px;line-height:1.5;}
.diag .say{margin-top:12px;border-left:2px solid var(--color-primary-line);padding:3px 0 3px 12px;font-size:12.5px;line-height:1.7;}
.diag .path{margin-top:11px;display:flex;align-items:center;gap:5px;flex-wrap:wrap;font-family:var(--font-mono);font-size:9px;color:var(--color-text-subtle);}
.diag .path .step{border:1px solid var(--color-primary-line);background:var(--color-primary-soft);border-radius:7px;padding:3px 8px;font-weight:700;color:var(--color-primary);font-family:var(--font-sans);cursor:pointer;}
.diag .path svg{width:11px;height:11px;stroke:var(--color-text-subtle);fill:none;stroke-width:2.4;}
.honest{text-align:center;margin-top:12px;font-family:var(--font-mono);font-size:10px;color:var(--color-text-subtle);cursor:pointer;}
/* 分步解析 */
.steps{margin-top:10px;display:flex;flex-direction:column;gap:0;}
.step-item{display:flex;gap:11px;padding-bottom:13px;position:relative;}
.step-item:not(:last-child)::before{content:"";position:absolute;left:11px;top:24px;bottom:0;width:1.5px;background:var(--color-primary-line);}
.step-item .si-n{flex:0 0 auto;width:23px;height:23px;border-radius:50%;background:var(--color-primary-soft);border:1px solid var(--color-primary-line);color:var(--color-primary);font-family:var(--font-mono);font-weight:700;font-size:11px;display:grid;place-items:center;z-index:1;}
.step-item .si-t{font-size:13px;line-height:1.6;padding-top:2px;}

/* —— 课程地图 —— */
.unit-card{margin-top:12px;border-radius:var(--radius-lg);background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);overflow:hidden;}
.unit-card.locked{opacity:.6;}
.uc-head{display:flex;align-items:center;gap:13px;padding:15px 16px;cursor:pointer;}
.uc-ring{flex:0 0 auto;position:relative;width:46px;height:46px;}
.uc-ring svg{transform:rotate(-90deg);} .uc-ring .rt{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-mono);font-weight:700;font-size:11px;}
.uc-head .uc-info{flex:1;}
.uc-head .uc-name{font-size:15px;font-weight:700;}
.uc-head .uc-sub{font-size:11px;color:var(--color-text-muted);margin-top:2px;font-family:var(--font-mono);}
.uc-head .uc-chev{margin-left:auto;transition:transform .2s;} .uc-head .uc-chev svg{width:16px;height:16px;stroke:var(--color-text-subtle);fill:none;stroke-width:2;}
.unit-card.open .uc-chev{transform:rotate(90deg);}
.uc-body{display:none;padding:0 16px 10px;} .unit-card.open .uc-body{display:block;}
.lesson{display:flex;align-items:center;gap:11px;padding:9px 0;border-top:1px solid var(--color-border);cursor:pointer;}
.lesson .lp{flex:0 0 auto;width:11px;height:11px;border-radius:50%;}
.lesson .ln{flex:1;font-size:13px;} .lesson .ln .lt{font-size:10px;color:var(--color-text-subtle);font-family:var(--font-mono);margin-top:1px;}
.lesson .lnext{font-family:var(--font-mono);font-size:9px;color:var(--color-on-primary);background:var(--color-primary);border-radius:6px;padding:2px 7px;font-weight:700;}
.lesson .lchev{margin-left:auto;} .lesson .lchev svg{width:14px;height:14px;stroke:var(--color-text-subtle);fill:none;stroke-width:2;}
.cur-reco{margin-top:14px;border-radius:var(--radius-lg);padding:16px;background:linear-gradient(150deg,var(--color-primary-soft),var(--color-surface));border:1px solid var(--color-primary-line);}
.cur-reco .cr-k{font-family:var(--font-mono);font-size:10px;color:var(--color-primary);letter-spacing:.08em;text-transform:uppercase;}
.cur-reco .cr-n{font-size:17px;font-weight:700;margin:6px 0 3px;}

/* —— 星图列表 —— */
.legend{display:flex;flex-wrap:wrap;gap:7px 12px;font-family:var(--font-mono);font-size:9px;color:var(--color-text-muted);margin-bottom:12px;}
.legend span{display:flex;align-items:center;gap:4px;} .legend i{width:8px;height:8px;border-radius:50%;}
.unit{margin-bottom:14px;}
.unit h4{font-size:12px;color:var(--color-text-muted);margin-bottom:7px;font-weight:700;}
.gnode{display:flex;align-items:center;gap:9px;padding:8px 11px;border-radius:12px;background:var(--color-surface);border:1px solid var(--color-border);margin-bottom:5px;cursor:pointer;}
.gnode .pt{width:10px;height:10px;border-radius:50%;flex:0 0 auto;}
.gnode .nm{flex:1;font-size:13px;}
.gnode .bar{width:54px;height:5px;background:color-mix(in srgb,var(--color-text) 8%,transparent);border-radius:5px;overflow:hidden;}
.gnode .bar i{display:block;height:100%;border-radius:5px;}
.gnode .val{font-family:var(--font-mono);font-size:10px;color:var(--color-text-subtle);width:30px;text-align:right;}
#graphNet{height:430px;border:1px solid var(--color-border);border-radius:16px;background:var(--color-surface);margin-top:2px;}

/* —— 节点详情面板(底部 sheet)—— */
.backdrop{position:absolute;inset:0;background:rgba(15,24,32,.42);opacity:0;pointer-events:none;transition:opacity .25s;z-index:40;}
.backdrop.on{opacity:1;pointer-events:auto;}
.sheet{position:absolute;left:0;right:0;bottom:0;z-index:50;background:var(--color-surface);border-radius:24px 24px 0 0;padding:8px 20px 24px;transform:translateY(100%);transition:transform .28s cubic-bezier(.3,.9,.3,1);max-height:80%;overflow-y:auto;box-shadow:0 -12px 40px rgba(15,24,32,.18);}
.sheet.on{transform:translateY(0);}
.sheet .grip{width:38px;height:4px;border-radius:4px;background:var(--color-border-strong);margin:6px auto 14px;}
.sheet .sh-state{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:10px;padding:4px 10px;border-radius:999px;}
.sheet .sh-name{font-size:20px;font-weight:700;margin:10px 0 4px;}
.sheet .sh-unit{font-size:11px;color:var(--color-text-subtle);font-family:var(--font-mono);}
.sh-mbar{height:8px;border-radius:8px;background:color-mix(in srgb,var(--color-text) 10%,transparent);overflow:hidden;margin:14px 0 6px;}
.sh-mbar i{display:block;height:100%;border-radius:8px;}
.sh-sec{margin-top:16px;} .sh-sec .sh-k{font-family:var(--font-mono);font-size:10px;color:var(--color-text-subtle);letter-spacing:.06em;text-transform:uppercase;margin-bottom:8px;}
.sh-prereq{display:flex;align-items:center;gap:8px;padding:7px 0;font-size:13px;border-top:1px solid var(--color-border);}
.sh-prereq .pt{width:9px;height:9px;border-radius:50%;}
.sh-res{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:12px;border:1px solid var(--color-border);margin-bottom:7px;text-decoration:none;color:var(--color-text);font-size:13px;}
.sh-res svg{width:16px;height:16px;stroke:var(--color-primary);fill:none;stroke-width:1.8;}

/* —— 学情报告 —— */
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;}
.stat{border:1px solid var(--color-border);border-radius:16px;padding:14px;background:var(--color-surface);box-shadow:var(--shadow-sm);}
.stat .sk{font-family:var(--font-mono);font-size:9px;color:var(--color-text-subtle);letter-spacing:.06em;text-transform:uppercase;}
.stat .sv{font-family:var(--font-mono);font-size:26px;font-weight:700;color:var(--color-primary);line-height:1.1;margin-top:5px;}
.stat .sv small{font-size:13px;color:var(--color-text-subtle);}
.stat .ss{font-size:11px;color:var(--color-text-muted);margin-top:3px;}
.chart-card{margin-top:14px;border-radius:var(--radius-lg);padding:16px;background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);}
.chart-card .cc-h{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px;}
.chart-card .cc-t{font-size:14px;font-weight:700;} .chart-card .cc-s{font-family:var(--font-mono);font-size:10px;color:var(--color-text-subtle);}
.chart svg{width:100%;display:block;overflow:visible;}
.chart .axis{stroke:var(--color-border);stroke-width:1;}
.chart .gridln{stroke:color-mix(in srgb,var(--color-text) 7%,transparent);stroke-width:1;}
.chart .line{fill:none;stroke:var(--color-primary);stroke-width:2.2;stroke-linejoin:round;stroke-linecap:round;}
.chart .area{fill:color-mix(in srgb,var(--color-primary) 12%,transparent);stroke:none;}
.chart .dot{fill:var(--color-surface);stroke:var(--color-primary);stroke-width:2;}
.chart .bar{fill:var(--color-primary);} .chart .bar.dim{fill:color-mix(in srgb,var(--color-primary) 35%,transparent);}
.chart .lbl{fill:var(--color-text-subtle);font-family:var(--font-mono);font-size:8px;}
.chart .vlbl{fill:var(--color-text-muted);font-family:var(--font-mono);font-size:8px;}
.radar-poly{fill:color-mix(in srgb,var(--color-primary) 18%,transparent);stroke:var(--color-primary);stroke-width:2;stroke-linejoin:round;}
.radar-grid{fill:none;stroke:color-mix(in srgb,var(--color-text) 9%,transparent);stroke-width:1;}
.radar-axis{stroke:color-mix(in srgb,var(--color-text) 9%,transparent);stroke-width:1;}
.radar-lbl{fill:var(--color-text-muted);font-size:9px;font-family:var(--font-sans);}
.weak-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-top:1px solid var(--color-border);cursor:pointer;}
.weak-row:first-child{border-top:none;}
.weak-row .wr-rank{font-family:var(--font-mono);font-size:12px;color:var(--color-text-subtle);width:18px;}
.weak-row .wr-n{flex:1;font-size:13px;}
.weak-row .wr-bar{width:60px;height:6px;border-radius:6px;background:color-mix(in srgb,var(--color-text) 9%,transparent);overflow:hidden;}
.weak-row .wr-bar i{display:block;height:100%;border-radius:6px;background:var(--s-improve);}
.forecast{display:flex;gap:5px;align-items:flex-end;margin-top:6px;height:70px;}
.forecast .fc{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;justify-content:flex-end;}
.forecast .fc .fb{width:100%;max-width:18px;border-radius:5px 5px 0 0;background:var(--s-rust);min-height:3px;}
.forecast .fc .fd{font-family:var(--font-mono);font-size:8px;color:var(--color-text-subtle);}
.forecast .fc .fn{font-family:var(--font-mono);font-size:9px;color:var(--color-text-muted);}

/* —— 我的 —— */
.profile-head{display:flex;align-items:center;gap:14px;padding:10px 0 6px;}
.profile-head .pa{width:56px;height:56px;border-radius:17px;background:var(--color-primary-soft);border:1px solid var(--color-primary-line);display:grid;place-items:center;color:var(--color-primary);font-family:var(--font-mono);font-weight:700;font-size:20px;}
.profile-head .pn{font-size:19px;font-weight:700;} .profile-head .pm{font-size:12px;color:var(--color-text-muted);margin-top:2px;}
.sec-title{font-size:13px;font-weight:700;margin:20px 0 4px;display:flex;align-items:center;gap:7px;}
.sec-title svg{width:15px;height:15px;stroke:var(--color-primary);fill:none;stroke-width:2;}
.ach-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px;}
.badge{display:flex;flex-direction:column;align-items:center;gap:5px;text-align:center;}
.badge .bd{width:50px;height:50px;border-radius:16px;display:grid;place-items:center;border:1px solid var(--color-border);background:var(--color-surface-2);}
.badge .bd svg{width:24px;height:24px;stroke:var(--color-text-subtle);fill:none;stroke-width:1.8;}
.badge.on .bd{background:var(--color-primary-soft);border-color:var(--color-primary-line);box-shadow:var(--glow);} .badge.on .bd svg{stroke:var(--color-primary);}
.badge .bn{font-size:9.5px;color:var(--color-text-muted);line-height:1.3;} .badge.on .bn{color:var(--color-text);}
.goal-set{margin-top:10px;border:1px solid var(--color-border);border-radius:16px;padding:15px;background:var(--color-surface);box-shadow:var(--shadow-sm);}
.goal-set .gs-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;}
.goal-set .gs-row+.gs-row{border-top:1px solid var(--color-border);}
.goal-set .gs-l{font-size:13px;} .goal-set .gs-l small{display:block;color:var(--color-text-subtle);font-size:10px;margin-top:1px;}
.stepper{display:flex;align-items:center;gap:12px;}
.stepper button{width:28px;height:28px;border-radius:9px;border:1px solid var(--color-border-strong);background:var(--color-surface-2);color:var(--color-text);font-size:17px;cursor:pointer;display:grid;place-items:center;}
.stepper .sn{font-family:var(--font-mono);font-weight:700;font-size:15px;min-width:30px;text-align:center;}
.lb{margin-top:10px;border:1px solid var(--color-border);border-radius:16px;overflow:hidden;background:var(--color-surface);box-shadow:var(--shadow-sm);}
.lb-row{display:flex;align-items:center;gap:11px;padding:11px 14px;} .lb-row+.lb-row{border-top:1px solid var(--color-border);}
.lb-row.me{background:var(--color-primary-soft);}
.lb-rank{font-family:var(--font-mono);font-weight:700;font-size:13px;width:22px;color:var(--color-text-subtle);} .lb-row.me .lb-rank{color:var(--color-primary);}
.lb-rank.top{color:var(--s-improve);}
.lb-av{width:30px;height:30px;border-radius:9px;background:var(--color-surface-2);display:grid;place-items:center;font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--color-text-muted);}
.lb-n{flex:1;font-size:13px;} .lb-row.me .lb-n{font-weight:700;}
.lb-score{font-family:var(--font-mono);font-size:12px;color:var(--color-text-muted);}
.lb-note{font-size:10px;color:var(--color-text-subtle);text-align:center;margin-top:7px;font-family:var(--font-mono);}
.set-row{display:flex;align-items:center;justify-content:space-between;padding:13px 0;border-top:1px solid var(--color-border);}
.set-row .sl{font-size:13px;}
.skin-panel{display:flex;align-items:center;gap:9px;}
.skin-panel .sw{width:22px;height:22px;border-radius:50%;background:var(--c);cursor:pointer;outline:1px solid var(--color-border);outline-offset:2px;}
.skin-panel .sw.on{outline:2px solid var(--color-text);}
.mode-toggle{font-family:var(--font-mono);font-size:11px;color:var(--color-text-muted);cursor:pointer;border:1px solid var(--color-border-strong);border-radius:999px;padding:5px 13px;}

/* —— 错题本(notes) —— */
.note-sec-h{font-size:13px;font-weight:700;margin:16px 0 8px;display:flex;align-items:center;gap:7px;}
.note-sec-h svg{width:15px;height:15px;fill:none;stroke-width:2;}
.note-sec-h .cnt{font-family:var(--font-mono);font-size:11px;color:var(--color-text-subtle);font-weight:400;}
.mistake{border:1px solid var(--color-border);border-radius:14px;padding:13px 14px;background:var(--color-surface);box-shadow:var(--shadow-sm);margin-bottom:8px;cursor:pointer;}
.mistake .mk-top{display:flex;align-items:center;gap:8px;margin-bottom:6px;}
.mistake .mk-node{font-family:var(--font-mono);font-size:10px;color:var(--s-improve);background:color-mix(in srgb,var(--s-improve) 14%,transparent);border-radius:6px;padding:2px 7px;}
.mistake .mk-when{font-family:var(--font-mono);font-size:10px;color:var(--color-text-subtle);margin-left:auto;}
.mistake .mk-stem{font-size:13px;line-height:1.55;color:var(--color-text);}
.mistake .mk-redo{font-family:var(--font-mono);font-size:10px;color:var(--color-primary);margin-top:8px;display:flex;align-items:center;gap:4px;}
.mistake .mk-redo svg{width:12px;height:12px;stroke:var(--color-primary);fill:none;stroke-width:2;}

/* —— toast —— */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--color-text);color:var(--color-bg);padding:10px 18px;border-radius:12px;font-size:13px;opacity:0;transition:opacity .3s;pointer-events:none;z-index:99;}
.toast.on{opacity:1;}
.summary-big{font-family:var(--font-mono);font-size:38px;font-weight:700;color:var(--color-primary);margin:8px 0;}

/* ============================================================
   心理学反馈:新组件 + 鼓励动效(尊重 prefers-reduced-motion)
   ============================================================ */
/* 信心标注(F8) */
.conf-row{display:flex;align-items:center;gap:8px;margin-top:13px;flex-wrap:wrap;}
.conf-q{font-size:11.5px;color:var(--color-text-subtle);}
.conf-btn{border:1px solid var(--color-border-strong);background:var(--color-surface);border-radius:999px;padding:5px 13px;font-size:12px;color:var(--color-text-muted);cursor:pointer;font-family:var(--font-sans);}
.conf-btn.on{border-color:var(--color-primary);background:var(--color-primary-soft);color:var(--color-primary-strong);font-weight:700;}
/* 情绪自适应卡(F1) */
.affect-card{margin-top:12px;border-radius:var(--radius-md);padding:14px 16px;background:color-mix(in srgb,var(--color-primary) 8%,var(--color-surface));border:1px solid var(--color-primary-line);}
.affect-card .say{font-size:13px;line-height:1.6;}
.affect-card .acts{margin-top:12px;}
/* 导师人格(F6) */
.guide-note{display:flex;align-items:center;gap:10px;margin:12px 0;padding:11px 13px;border-radius:var(--radius-md);background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);}
.g-ava{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--color-primary);color:var(--color-on-primary);display:grid;place-items:center;font-size:12px;font-weight:700;font-family:var(--font-mono);}
.g-txt{font-size:12.5px;color:var(--color-text);line-height:1.5;}
/* 自我参照成长卡(F5) */
.growth-card{margin-top:12px;border-radius:var(--radius-lg);padding:15px 18px;background:linear-gradient(150deg,var(--color-primary-soft),var(--color-surface));border:1px solid var(--color-primary-line);animation:rise .4s ease both;}
.gc-k{font-family:var(--font-mono);font-size:10px;color:var(--color-primary);letter-spacing:.06em;text-transform:uppercase;}
.gc-v{font-size:14.5px;margin-top:5px;} .gc-v b{color:var(--color-primary);font-family:var(--font-mono);font-size:18px;}
.gc-d{font-size:11.5px;color:var(--color-text-muted);margin-top:4px;} .gc-d b{color:var(--color-primary);}
/* 反思(F7) */
.reflect{margin-top:14px;border-radius:var(--radius-md);padding:14px 16px;background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);}
.reflect .say{font-size:13px;line-height:1.6;margin-bottom:2px;}

/* —— 动效 —— */
@keyframes disc-pop{0%{transform:scale(.3);opacity:0}60%{transform:scale(1.14)}100%{transform:scale(1);opacity:1}}
@keyframes res-in{from{transform:scale(.97);opacity:.45}to{transform:none;opacity:1}}
@keyframes chip-in{from{transform:translateY(7px);opacity:0}to{transform:none;opacity:1}}
@keyframes spark{0%{transform:translate(-50%,-50%) scale(.2);opacity:1}100%{transform:translate(calc(-50% + var(--dx)),calc(-50% + var(--dy))) scale(1);opacity:0}}
@keyframes flame{0%,100%{transform:scale(1)}50%{transform:scale(1.16)}}
@keyframes badge-pop{0%{transform:scale(.5);opacity:0}70%{transform:scale(1.12)}100%{transform:scale(1);opacity:1}}
@keyframes rise{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}
.result.celebrate{animation:res-in .35s ease both;}
.result.celebrate .disc.burst{animation:disc-pop .5s cubic-bezier(.2,.9,.3,1.3) both;}
.result.celebrate .litchip{animation:chip-in .4s .15s both;}
.disc{position:relative;}
.sparkle{position:absolute;left:50%;top:50%;width:7px;height:7px;border-radius:50%;background:var(--s-improve);box-shadow:0 0 6px var(--s-improve);pointer-events:none;animation:spark .72s ease-out forwards;}
.streak svg{animation:flame 1.9s ease-in-out infinite;}
.badge.on .bd{animation:badge-pop .45s cubic-bezier(.2,.9,.3,1.4) both;}

@media (prefers-reduced-motion: reduce){
  .result.celebrate,.result.celebrate .disc.burst,.result.celebrate .litchip,
  .streak svg,.badge.on .bd,.growth-card{animation:none!important;}
  .sparkle{display:none!important;}
}

/* ============================================================
   R2:庆祝分层 + 校准卡
   ============================================================ */
.flystar{position:fixed;font-size:24px;color:var(--s-improve);z-index:200;pointer-events:none;text-shadow:0 0 10px var(--s-improve);animation:flystar .82s cubic-bezier(.4,0,.6,1) forwards;}
@keyframes flystar{0%{transform:translate(-50%,-50%) scale(1);opacity:1}100%{transform:translate(calc(-50% + var(--tx)),calc(-50% + var(--ty))) scale(.35);opacity:0}}
@keyframes tabpulse{0%,100%{transform:scale(1)}40%{transform:scale(1.35)}}
.tabbar .t.tab-pulse svg{animation:tabpulse .6s ease;}
@keyframes bigpop{0%{transform:scale(.2) rotate(-18deg);opacity:0}60%{transform:scale(1.24) rotate(6deg)}100%{transform:scale(1) rotate(0);opacity:1}}
.result.bigcele .disc.burst{animation:bigpop .6s cubic-bezier(.2,.9,.3,1.4) both;}
.result.bigcele{box-shadow:0 0 0 1px var(--color-primary-line), var(--glow);}
.calib-line{font-size:13px;line-height:1.7;} .calib-line b{color:var(--color-primary);font-family:var(--font-mono);}
.calib-verdict{margin-top:8px;font-size:12px;color:var(--color-text-muted);border-left:2px solid var(--color-primary-line);padding-left:10px;line-height:1.6;}
@media (prefers-reduced-motion: reduce){
  .flystar{display:none!important;}
  .tabbar .t.tab-pulse svg,.result.bigcele .disc.burst{animation:none!important;}
}

/* ---- 综合题解题脉络卡 ---- */
.synthesis-card{padding:12px 14px;background:var(--color-surface,#fff);border-radius:12px}
.syn-msg{font-size:14px;line-height:1.6;margin-bottom:10px;color:var(--color-text)}
.chain{list-style:none;margin:0;padding:0}
.chain-step{display:flex;gap:10px;align-items:flex-start;padding:8px 0;position:relative}
.chain-step:not(:last-child)::after{content:'';position:absolute;left:13px;top:30px;bottom:-2px;width:2px;background:color-mix(in srgb,var(--color-primary) 30%,transparent)}
.chain-no{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:color-mix(in srgb,var(--color-primary) 14%,transparent);color:var(--color-primary);font-weight:700;font-size:13px}
.chain-step.stuck .chain-no{background:var(--s-weak,#e8a33d);color:#fff;animation:chainpulse 1.4s ease-in-out 2}
.chain-title{font-size:13.5px;color:var(--color-text);font-weight:600}
.chain-uses{margin-top:3px;display:flex;flex-wrap:wrap;gap:4px}
.kp-chip{font-size:11px;padding:1px 7px;border-radius:8px;background:color-mix(in srgb,var(--color-primary) 10%,transparent);color:var(--color-primary)}
.btn-remedial{margin-top:10px;width:100%;padding:9px;border:none;border-radius:10px;background:var(--color-primary);color:#fff;font-size:14px;font-weight:600}
@keyframes chainpulse{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}
@media (prefers-reduced-motion: reduce){.chain-step.stuck .chain-no{animation:none}}