:root{font-family:Inter,"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:#202e2a;background:#f5f7f5;font-synthesis:none;--green:#155b43;--deep:#103f30;--lime:#e5efc6;--line:#e2e8e3;--muted:#78857d;--amber:#a66b14;--red:#bc443f}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}button,a,input{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #6da58b;outline-offset:4px}svg{display:block;flex-shrink:0}button{transition:background .15s,border-color .15s,transform .15s}button:active:not(:disabled){transform:translateY(1px)}
.shell{display:flex;min-height:100vh}.sidebar{width:234px;flex-shrink:0;background:#fff;border-right:1px solid var(--line);padding:32px 22px 24px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:3}.brand{display:flex;align-items:center;gap:10px}.brand-icon{width:40px;height:42px;background:var(--green);color:var(--lime);display:grid;place-items:center;border-radius:12px}.brand strong{display:block;letter-spacing:.04em;font-size:17px}.brand small{display:block;margin-top:4px;color:var(--muted);font-size:10px;letter-spacing:.15em}.side-label{font-size:10px;color:#8d9891;letter-spacing:.16em;margin:44px 12px 13px}.nav-home{border:0;background:#edf4ec;color:var(--green);display:flex;gap:11px;align-items:center;padding:13px 16px;border-radius:10px;width:100%;text-align:left;font-size:13px;font-weight:650}.sidebar-note{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;padding:17px 16px}.side-progress{margin-top:32px;padding:0 8px}.side-progress h3{font-size:12px;font-weight:550;display:flex;justify-content:space-between;align-items:center;margin:0 0 17px}.side-progress h3 span{font-size:11px;color:var(--muted);font-weight:400}.question-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.q-dot{aspect-ratio:1;display:grid;place-items:center;font-size:11px;font-weight:600;border-radius:7px;background:#f4f6f3;color:#96a198;border:1px solid transparent}.q-dot.mastered{background:#e3efe4;color:var(--green)}.q-dot.pending{background:#fff0d7;color:#9f6b20}.q-dot.current{border:1.5px solid var(--green);box-shadow:0 0 0 2px #edf3e8}.legend{display:flex;gap:11px;font-size:10px;color:var(--muted);margin-top:13px}.legend span{display:flex;gap:4px;align-items:center}.legend i{height:6px;width:6px;display:block;border-radius:2px;background:#d6e3d7}.legend span:nth-child(2) i{background:#edcc8e}.legend span:nth-child(3) i{background:#e5e9e3}.side-bottom{margin-top:auto;padding:25px 7px 0}.local-badge{display:flex;gap:7px;align-items:center;font-size:11px;color:#526d5c}.online-dot{width:6px;height:6px;background:#6a967b;border-radius:50%}.side-bottom p{font-size:10px;line-height:1.8;color:#9ba49e;margin:9px 0 0}.main{margin-left:234px;flex:1;min-width:0;padding:0 46px 28px}.topbar{height:86px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted);gap:12px}.breadcrumb{display:flex;align-items:center;gap:11px}.breadcrumb strong{font-weight:500;color:#3d5146}.top-actions{display:flex;gap:18px;align-items:center}.save-indicator{font-size:11px;display:flex;align-items:center;gap:6px}.text-button{background:none;border:0;color:#536b5c;padding:5px 0;font-size:12px}.text-button:hover{color:var(--green)}.content{max-width:1110px;margin:0 auto}.hero{display:flex;align-items:flex-end;justify-content:space-between;margin:46px 0 30px;gap:20px}.eyebrow{display:flex;align-items:center;gap:8px;letter-spacing:.14em;color:var(--green);font-size:10px;font-weight:650;margin:0 0 14px}.eyebrow::before{content:"";width:18px;height:2px;background:#6b956c}.hero h1{font-size:34px;font-weight:700;letter-spacing:-.03em;line-height:1.4;margin:0 0 11px}.hero p{margin:0;color:var(--muted);font-size:12px;line-height:1.9}.sample-badge{display:flex;align-items:center;gap:7px;border:1px solid #dae3d8;border-radius:30px;padding:8px 13px;white-space:nowrap;font-size:11px;color:#6d806d;margin-bottom:6px;background:#f9fbf6}.home-grid{display:grid;grid-template-columns:minmax(0,1fr) 284px;gap:22px;align-items:start}.card{border:1px solid var(--line);border-radius:17px;background:#fff}.setup-card{padding:30px}.card-kicker{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.card-kicker h2{font-size:17px;margin:0;letter-spacing:.015em}.step-label{font-size:10px;color:#98a29b;letter-spacing:.08em}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.mode-card{display:block;position:relative;cursor:pointer;border:1.5px solid #e1e7e0;border-radius:12px;padding:20px;min-height:176px;transition:background .15s,border-color .15s;background:#fff}.mode-card.chosen{border-color:var(--green);background:#f3f7ec}.mode-card:focus-within{outline:3px solid #a7c3a7;outline-offset:3px}.mode-card input{position:absolute;opacity:0;width:1px;height:1px}.radio-dot{position:absolute;right:16px;top:17px;height:15px;width:15px;border-radius:50%;border:1.5px solid #cdd5ce;background:#fff}.chosen .radio-dot{border:4.5px solid var(--green)}.mode-icon{width:40px;height:40px;border-radius:11px;background:#f2f5f1;color:#7f9084;display:grid;place-items:center;margin-bottom:21px}.chosen .mode-icon{color:var(--green);background:#e4edcf}.mode-card strong{display:block;font-size:14px;margin-bottom:7px}.mode-card small{display:block;color:#829086;font-size:10px;line-height:1.7}.selection-note{display:flex;align-items:center;gap:7px;color:#748579;font-size:11px;margin:20px 0 27px}.primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--green);border:1px solid var(--green);color:white;border-radius:9px;min-height:47px;padding:12px 24px;font-size:13px;font-weight:600}.primary:hover{background:var(--deep);border-color:var(--deep)}.primary:disabled{opacity:.38}.wide{width:100%}.start-note{text-align:center;font-size:10px!important;color:#9ba69d!important;margin:12px 0 0!important}.secondary{display:inline-flex;gap:8px;align-items:center;justify-content:center;min-height:43px;border:1px solid #dbe3db;border-radius:9px;background:#fff;color:#526a59;padding:10px 19px;font-size:12px}.secondary:hover{background:#f3f6f0}.resume-card{padding:16px 19px;margin-bottom:20px;border:1px solid #d7e4cc;border-radius:11px;background:#f6faef;display:flex;align-items:center;justify-content:space-between;gap:12px}.resume-card strong{font-size:12px}.resume-card p{font-size:10px;color:var(--muted);margin:7px 0 0}.resume-card button{font-size:11px;min-height:36px;padding:7px 13px}.right-stack{display:flex;flex-direction:column;gap:19px}.summary-card{padding:24px}.small-heading{display:flex;align-items:center;gap:8px;margin:0 0 21px;font-size:13px;font-weight:650}.distribution{display:flex;align-items:flex-end;gap:7px;margin-bottom:18px}.distribution b{font-size:41px;font-weight:650;line-height:1}.distribution span{font-size:12px;color:var(--muted);padding-bottom:4px}.type-bar{display:flex;gap:3px;height:6px;border-radius:4px;overflow:hidden;margin-bottom:18px}.type-bar span:first-child{flex:5;background:#286849}.type-bar span:nth-child(2){flex:3;background:#87a079}.type-bar span:nth-child(3){flex:2;background:#d7e3b1}.type-row{display:flex;align-items:center;justify-content:space-between;font-size:11px;margin-top:12px;color:#6e7f72}.type-row span{display:flex;align-items:center;gap:7px}.type-row i{width:6px;height:6px;border-radius:2px;background:#286849}.type-row:nth-of-type(4) i{background:#87a079}.type-row:nth-of-type(5) i{background:#d7e3b1}.type-row strong{font-weight:500;color:#334d3d}.rule-card{padding:23px;background:#eef3e7;border-color:#e1e8d8}.rules{display:grid;gap:17px}.rule{display:flex;align-items:flex-start;gap:11px}.rule-number{border:1px solid #c9d6bb;border-radius:50%;min-width:20px;height:20px;font-size:10px;color:#657e52;display:grid;place-items:center}.rule strong{font-size:11px;font-weight:550;color:#435c39}.rule p{font-size:10px;line-height:1.7;color:#7f8d74;margin:5px 0 0}.rules-foot{padding-top:17px;margin:20px 0 0;border-top:1px solid #d9e2cd;font-size:10px;line-height:1.8;color:#839277}.info-strip{margin-top:22px;display:flex;align-items:flex-start;gap:9px;padding:14px 17px;border:1px solid var(--line);border-radius:11px;background:#f9faf7;color:#87927e;font-size:10px;line-height:1.9}.info-strip strong{font-weight:500;color:#667859}.footer{margin-top:32px;display:flex;justify-content:space-between;gap:15px;font-size:10px;color:#a0a99f;line-height:1.7}.footer span{display:flex;align-items:center;gap:6px}.quiz-heading{margin:32px 0 23px;display:flex;justify-content:space-between;align-items:center;gap:14px}.quiz-heading h1{margin:0 0 6px;font-size:23px}.quiz-heading p{margin:0;color:var(--muted);font-size:11px}.quit{display:flex;align-items:center;gap:7px}.quiz-layout{display:grid;grid-template-columns:minmax(0,1fr) 228px;gap:22px;align-items:start}.question-card{padding:29px 31px 25px}.question-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:23px}.pill{font-size:10px;background:#eef3e9;color:#567246;padding:5px 8px;border-radius:5px;line-height:1.2}.pill.review{background:#fff0d8;color:#997130}.pill.old{background:#f5efe5;color:#937849}.question-number{font-size:10px;color:#91a093;margin-left:auto}.question-card h2{font-size:19px;font-weight:550;line-height:1.85;letter-spacing:.005em;margin:0 0 13px}.question-hint{font-size:10px;color:#91a096;margin:0 0 22px}.option-list{display:grid;gap:11px}.option{display:flex;align-items:center;gap:14px;text-align:left;width:100%;padding:15px 17px;border:1px solid #e1e7e1;border-radius:9px;background:#fff;color:#4f6055;min-height:57px;font-size:12px;line-height:1.85}.option:hover:not(:disabled){border-color:#a3b99f;background:#fafcf7}.option-label{min-width:27px;height:27px;display:grid;place-items:center;border:1px solid #e0e6df;border-radius:6px;font-size:11px;color:#7a8b7d;background:#fff}.option.selected{border-color:var(--green);background:#f2f7ec;color:var(--green)}.option.selected .option-label{background:var(--green);color:white;border-color:var(--green)}.option.correct{border-color:#6e9d74;background:#f0f7ed;color:#356a3d}.option.correct .option-label{background:#dcecd9;border-color:#bdd7b9;color:#356a3d}.option.wrong{border-color:#d9aaa3;background:#fff4f1;color:#ab5951}.option.wrong .option-label{background:#f7e3dd;border-color:#e9c6be;color:#ab5951}.option:disabled{cursor:default}.answer-icon{margin-left:auto}.question-actions{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-top:23px;margin-top:25px;border-top:1px solid var(--line)}.action-hint{font-size:10px;color:#92a08f;line-height:1.7}.question-actions .primary{min-width:136px}.feedback{padding:17px 19px;border:1px solid #d4e6cc;background:#f2f8ed;border-radius:10px;margin-top:21px}.feedback.wrong-feedback{background:#fff7ef;border-color:#efdcc5}.feedback-title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:650;color:#38653a;margin-bottom:9px}.wrong-feedback .feedback-title{color:#a27137}.answer-text{font-size:12px;color:#4d6750;margin:0 0 6px;line-height:1.8}.feedback p:last-child{color:#81917a;font-size:10px;line-height:1.9;margin:0}.feedback.wrong-feedback p:last-child{color:#a2907c}.quiz-aside .card{padding:21px}.progress-title{font-size:12px;font-weight:600;margin:0 0 17px}.progress-count{font-size:27px;font-weight:600;color:#2c5139}.progress-count span{font-size:12px;font-weight:400;color:#a0aa9c;margin-left:5px}.progress-track{height:6px;border-radius:8px;background:#edf1e7;overflow:hidden;margin:14px 0 19px}.progress-track div{height:100%;background:#5a8b56;border-radius:8px;transition:width .3s}.mini-stat{display:flex;justify-content:space-between;font-size:11px;margin:13px 0;color:#8a9685}.mini-stat b{font-weight:500;color:#52664b}.mini-stat.pending b{color:#af843f}.aside-note{font-size:10px;line-height:1.9;color:#8c9a82;margin:16px 3px 0}.tail-note{padding:13px 15px;margin-bottom:19px;background:#f4f1e4;border:1px solid #e7dfc3;border-radius:9px;color:#8c7d4c;font-size:11px;line-height:1.8}.mastery-dots{display:flex;gap:6px;margin-top:8px}.mastery-dots i{width:22px;height:5px;border-radius:4px;background:#e3dfcf}.mastery-dots i.filled{background:#8eaa6c}.result-card{max-width:770px;margin:43px auto 0;padding:40px;text-align:center}.result-mark{width:62px;height:62px;display:grid;place-items:center;background:#eaf2d9;color:var(--green);border-radius:50%;margin:0 auto 19px}.result-card h1{font-size:27px;margin:0 0 12px}.result-card>p{font-size:12px;line-height:1.9;color:#899782;margin:0}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:29px}.result-stat b{display:block;font-size:28px;color:#385b3d;font-weight:600;margin-bottom:8px}.result-stat span{font-size:11px;color:#91a08a}.result-card h2{text-align:left;font-size:13px;margin:28px 0 15px}.result-list{text-align:left;display:grid;grid-template-columns:minmax(0,1fr);gap:8px}.result-item{display:flex;justify-content:space-between;align-items:center;gap:12px;background:#f7f9f4;border-radius:8px;padding:12px 14px;font-size:11px;color:#657b5d}.result-item span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.result-item span:last-child{flex-shrink:0;color:#678457;font-size:10px}.result-actions{display:flex;justify-content:center;gap:12px;margin-top:27px}.empty-review{font-size:11px;color:#93a18a;text-align:left;line-height:1.9}dialog{border:1px solid #dce4d6;border-radius:17px;padding:29px;max-width:470px;width:calc(100% - 36px);color:#2c4431;box-shadow:0 22px 80px #10271b24}dialog::backdrop{background:#19372666;backdrop-filter:blur(3px)}dialog h2{font-size:19px;margin:0 0 15px}dialog p,dialog li{font-size:12px;line-height:1.95;color:#7b8b71}dialog ul{padding-left:20px}dialog .modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:23px}.modal-close{position:absolute;right:13px;top:13px;border:0;background:transparent;color:#88957d;padding:4px}dialog .primary{min-height:41px;font-size:12px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1500px){.main{padding-left:65px;padding-right:65px}.content{max-width:1180px}.setup-card{padding:34px}.home-grid{grid-template-columns:minmax(0,1fr) 310px}.mode-card{min-height:195px;padding:25px}.mode-icon{margin-bottom:26px}.hero{margin-top:57px}.hero h1{font-size:38px}}
@media(max-width:1120px){.sidebar{width:202px;padding:27px 17px}.main{margin-left:202px;padding:0 28px 25px}.home-grid{grid-template-columns:minmax(0,1fr) 250px;gap:17px}.setup-card{padding:24px}.mode-card{padding:17px}.quiz-layout{grid-template-columns:minmax(0,1fr) 195px;gap:17px}.question-card{padding:25px}.save-indicator{display:none}.hero h1{font-size:30px}.mode-card small{font-size:10px}}
@media(max-width:920px){.home-grid{grid-template-columns:1fr}.right-stack{display:grid;grid-template-columns:1fr 1fr}.summary-card,.rule-card{padding:22px}.rules{gap:14px}.rules-foot{margin-top:13px;padding-top:11px}.quiz-layout{grid-template-columns:1fr}.quiz-aside .card{display:grid;grid-template-columns:1fr 1fr;column-gap:24px}.progress-title{grid-column:1/-1}.quiz-aside{order:-1}.progress-count{font-size:22px}.progress-track{grid-column:1;margin:8px 0 0}.mini-stat{margin:2px 0 8px}.mini-stat:nth-of-type(3){grid-column:2;grid-row:2}.mini-stat:nth-of-type(4){grid-column:2;grid-row:3}.mini-stat:nth-of-type(5){grid-column:2;grid-row:4}.aside-note{display:none}.question-actions{position:relative}}
@media(max-width:650px){.shell{display:block}.sidebar{width:100%;height:72px;position:relative;padding:16px 20px;flex-direction:row;align-items:center;justify-content:space-between;border-right:0;border-bottom:1px solid var(--line)}.brand-icon{width:35px;height:36px;border-radius:10px}.brand strong{font-size:15px}.brand small{font-size:8px}.sidebar .side-label,.sidebar .nav-home,.sidebar-note,.side-progress{display:none}.side-bottom{margin:0;padding:0}.side-bottom p{display:none}.local-badge{font-size:10px}.main{margin-left:0;padding:0 19px 24px}.topbar{height:55px;font-size:10px}.top-actions{gap:12px}.text-button{font-size:10px}.hero{margin:29px 0 23px;display:block}.hero h1{font-size:27px}.hero p{font-size:11px}.sample-badge{display:inline-flex;margin:15px 0 0;font-size:10px;padding:6px 10px}.eyebrow{font-size:9px;margin-bottom:10px}.setup-card{padding:21px}.card-kicker{margin-bottom:20px}.card-kicker h2{font-size:15px}.mode-grid{gap:10px}.mode-card{min-height:167px;padding:17px 13px}.mode-icon{margin-bottom:22px;width:35px;height:35px}.mode-card strong{font-size:12px}.mode-card small{font-size:9px}.radio-dot{right:12px;top:14px}.selection-note{font-size:10px;line-height:1.8;align-items:flex-start;margin:17px 0 21px}.primary{font-size:12px}.right-stack{grid-template-columns:1fr;gap:16px}.summary-card{padding:21px}.summary-card .small-heading{margin-bottom:15px}.distribution{float:right;margin:0;transform:translateY(-28px)}.distribution b{font-size:30px}.type-bar{width:100%;margin-bottom:15px}.type-row{margin-top:10px}.rules{grid-template-columns:1fr;gap:15px}.home-grid{gap:17px}.info-strip{font-size:9px;gap:8px}.footer{font-size:9px;display:block;margin-top:24px}.footer span+span{margin-top:6px}.resume-card{padding:13px;align-items:flex-start}.resume-card strong{font-size:10px}.resume-card p{font-size:9px}.resume-card button{white-space:nowrap;font-size:10px}.quiz-heading{margin:24px 0 18px}.quiz-heading h1{font-size:21px}.quiz-heading p{font-size:10px}.quit{font-size:10px}.question-card{padding:21px 19px}.question-card h2{font-size:17px;line-height:1.9}.question-meta{margin-bottom:19px}.question-number{font-size:9px}.option{padding:13px 12px;font-size:12px;gap:10px}.option-label{min-width:25px;height:25px;font-size:10px}.question-actions{gap:10px;padding-top:20px;margin-top:22px}.question-actions .primary{padding:11px 17px;min-width:112px;font-size:11px}.action-hint{max-width:142px;font-size:9px}.feedback{padding:15px}.answer-text{font-size:11px}.quiz-aside .card{padding:17px 20px}.progress-title{font-size:11px;margin-bottom:12px}.mini-stat{font-size:10px}.tail-note{font-size:10px;margin-bottom:15px}.result-card{padding:27px 21px;margin-top:27px}.result-card h1{font-size:23px}.result-card>p{font-size:11px}.result-stat b{font-size:23px}.result-stat span{font-size:10px}.result-stats{padding:22px 0;margin-top:23px}.result-item{font-size:10px;padding:11px}.result-actions{flex-direction:column}.result-actions button{width:100%}.result-item span:last-child{font-size:9px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Full-bank additions. Phone layout lives in mobile.css. */
html{scrollbar-gutter:stable}
.progress-all{display:flex;align-items:center;justify-content:space-between;gap:8px;border:0;background:none;color:#5d755f;font-size:11px;padding:15px 0 0;width:100%;min-height:42px}
.bank-source{margin:22px 0 0;border-top:1px solid var(--line);padding-top:17px;font-size:10px;line-height:1.8;color:#7a8c75}
.question-card h2{overflow-wrap:anywhere}
.option{position:relative;padding-right:47px;overflow-wrap:anywhere}
.option>span:nth-child(2){min-width:0}
.answer-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%)}
.feedback-mastery{display:inline-block;margin-left:16px;color:#81917a;font-size:11px;font-weight:400}
.question-actions{min-height:78px;margin-top:22px}
.question-actions .action-hint{min-height:18px;white-space:nowrap}
.question-actions .primary{width:142px;flex-shrink:0}
.version-panel{border-top:1px solid var(--line);margin-top:19px;padding-top:16px;color:#73836a;font-size:11px;line-height:1.9;overflow-wrap:anywhere}
.version-panel summary,.result-mistakes summary{cursor:pointer;min-height:32px;line-height:32px}
.version-item{border:1px solid var(--line);background:#fafbf7;padding:14px 17px;border-radius:8px;margin-top:12px;color:#53664b}
.version-item ul{list-style:none;padding:0;margin:10px 0}
.version-source{font-size:10px;color:#87957d}
.version-item p{margin:6px 0}
.result-mistakes{text-align:left;font-size:12px;color:#6b805d}
.result-list{max-height:400px;overflow:auto;margin-top:10px;padding-right:5px}
.progress-dialog{max-width:650px}
.progress-summary{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:#7b8d70;margin:18px 0 22px;flex-wrap:wrap}
.progress-grid{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:7px}
.progress-grid .q-dot{font-size:12px;min-width:0}
.progress-dialog .legend{margin-top:19px}
.pager{display:flex;align-items:center;justify-content:space-between;margin-top:25px;gap:10px;font-size:12px;color:#7c8e71}
.pager button:disabled{opacity:.4}
dialog{max-height:calc(100dvh - 40px);overflow:auto}
.storage-warning{font-size:12px;color:#9b6d38;background:#fff6e7;border-radius:6px;padding:10px 14px}
/* Study mode shares the quiz scheduler and keeps its controls in the action row. */
.practice-switch{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;padding:5px;margin:0 0 22px;background:#edf2ec;border:1px solid #e0e7dd;border-radius:11px}
.practice-choice{position:relative;display:flex;align-items:center;justify-content:center;gap:8px;min-height:43px;padding:10px 12px;border-radius:7px;color:#70806a;font-size:13px;font-weight:600;cursor:pointer;text-align:center}
.practice-choice input{position:absolute;opacity:0;width:1px;height:1px}
.practice-choice.chosen{color:var(--green);background:#fff;box-shadow:0 1px 5px #183b2010}
.practice-choice:focus-within{outline:3px solid #6da58b;outline-offset:2px}
.study-answer{margin-top:22px;padding:18px 20px;border:1px solid #dce8d8;border-left:4px solid #5c8e62;border-radius:10px;background:#f4f8f0;overflow-wrap:anywhere}
.study-answer h3{margin:0 0 11px;font-size:12px;font-weight:600;line-height:1.5;color:#69815d}
.study-answer-list{display:grid;gap:11px;list-style:none;margin:0;padding:0}
.study-answer-list li{display:flex;align-items:baseline;gap:10px;color:#294e32;font-size:16px;line-height:1.85}
.study-answer-list strong{flex-shrink:0;font-size:14px;font-weight:700}
.study-answer-list span{min-width:0}
.study-answer-context{margin-top:16px;padding-top:15px;border-top:1px solid #dbe5d5}
.study-answer-context h4{margin:0 0 11px;color:#617456;font-size:12px;font-weight:500;line-height:1.6}
.study-answer-context .study-answer-list li{color:#53664b}
.question-actions.study-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;min-height:0}
.study-actions button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-width:0;width:100%;min-height:52px;border:1px solid transparent;border-radius:9px;padding:13px 18px;color:#fff;font-size:16px;font-weight:650;line-height:24px;touch-action:manipulation}
.study-actions .study-unknown{background:#bb3635;border-color:#bb3635}
.study-actions .study-known{background:#187044;border-color:#187044}
.study-actions .study-unknown:focus-visible{outline-color:#8c2727}
.study-actions .study-known:focus-visible{outline-color:#165d3b}
@media(hover:hover){.study-actions .study-unknown:hover{background:#9c2929;border-color:#9c2929}.study-actions .study-known:hover{background:#125b36;border-color:#125b36}}