/* B / 生长日记：完整应用体验，独立于正式应用。 */
:root,:root[data-theme=mist]{--bg:#f9f6ef;--bg-2:#f9f6ef;--paper:#fffdf7;--paper-solid:#fffdf7;--ink:#333b32;--muted:#7a8072;--line:#dedfd3;--accent:#4e7659;--accent-2:#a6bb93;--accent-soft:#eaf0de;--danger:#a45b46;--danger-soft:#f7e7dd;--shadow:none;--sun:#f2cc88;--leaf:#e1e8db;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
:root[data-theme=paper]{--bg:#f8f0e3;--bg-2:#f8f0e3;--paper:#fffaf0;--paper-solid:#fffaf0;--accent:#87734b;--accent-2:#d2b986;--accent-soft:#f0e9d7;--sun:#ecd1a3;--leaf:#ece9d7}
:root[data-theme=sage]{--bg:#eff2e7;--bg-2:#eff2e7;--paper:#fafcf3;--paper-solid:#fafcf3;--accent:#597650;--accent-2:#b1c492;--accent-soft:#e0e9d6;--sun:#e4d4a4;--leaf:#dce8cf}
:root[data-theme=lilac]{--bg:#f5eff6;--bg-2:#f5eff6;--paper:#fffbff;--paper-solid:#fffbff;--accent:#776383;--accent-2:#b9a6c1;--accent-soft:#eee3f0;--sun:#e7cba7;--leaf:#e5deeb}
:root[data-theme=night]{--bg:#263329;--bg-2:#263329;--paper:#314037;--paper-solid:#314037;--ink:#eff1e5;--muted:#b0b9a7;--line:#495749;--accent:#b5cd9b;--accent-2:#819a6b;--accent-soft:#42543d;--sun:#ad9664;--leaf:#4a6046;--shadow:none}
body{background:#eaece4;line-height:1.65;overflow-x:hidden}button{touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:background-color .18s,transform .18s,box-shadow .18s}button:active:not(:disabled){transform:translateY(2px)}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.app-shell{width:440px;margin:0 0 0 calc(50% + 35px);background:var(--bg);box-shadow:none;overflow:clip;min-height:100dvh;border-left:1px solid #dddccd;border-right:1px solid #dddccd}.loading{color:var(--accent)}.preview-intro{position:fixed;top:45px;left:calc(50% - 415px);width:310px;color:#46533e}.preview-logo{text-decoration:none;color:#3c5033;font-size:26px;font-weight:800;letter-spacing:-.04em;display:flex;align-items:center;gap:15px}.preview-logo span{font-size:11px;font-weight:500;letter-spacing:.06em;border-left:1px solid #bec7b2;padding-left:15px}.preview-eyebrow{margin-top:65px;color:#8a967e;font-size:10px;letter-spacing:.18em}.preview-intro h1{font-size:38px;font-weight:500;letter-spacing:-.035em;line-height:1.6;margin:16px 0}.preview-intro p{font-size:14px;line-height:1.9;color:#838d79}.preview-intro nav{margin-top:36px;display:grid;gap:5px}.preview-intro nav button{padding:13px 0;border-bottom:1px solid #d5dbca;display:flex;align-items:center;gap:17px;width:100%;text-align:left;background:transparent;font-size:11px;color:#939d86}.preview-intro nav button span{flex:1;font-size:13px;color:#69765c}.preview-intro nav button.active span{font-weight:700;color:#3c5132}.preview-intro>small{display:block;margin-top:30px;font-size:10px;color:#919b85;line-height:1.9}
.home-screen{padding:26px 24px 18px;min-height:calc(100dvh - 88px)}.garden-home{gap:0}.home-head{height:46px}.brand-mark{background:var(--sun);width:41px;height:41px;border-radius:14px;transform:rotate(-5deg);color:var(--ink);box-shadow:none}.brand-mark svg{width:26px;height:26px;fill:none;stroke:currentColor}.subject-pill{border:1px solid var(--line);box-shadow:none;backdrop-filter:none;background:var(--paper);padding:8px 14px;font-size:12px;max-width:78%}.home-focus{align-items:stretch;justify-content:flex-start;gap:0;min-height:360px;padding-top:28px;flex:1}.garden-kicker{font-size:11px;letter-spacing:.07em;color:var(--muted)}.home-focus h1{font-size:29px;line-height:1.4;letter-spacing:-.055em;margin:13px 0 0;font-weight:750;white-space:nowrap}.garden-scene{position:relative;height:208px;display:flex;justify-content:center;margin:6px -7px 0}.garden-scene img{width:100%;height:100%;object-fit:contain}.garden-scene>span{position:absolute;right:22px;top:29px;transform:rotate(6deg);color:var(--muted);font-size:11px;line-height:1.65}.checkin-tile{width:100%;min-height:69px;padding:13px 17px;display:flex;flex-direction:row;align-items:center;justify-content:space-between;border:1px solid #bdcdb9;border-radius:18px;background:var(--accent-soft);box-shadow:0 4px 0 color-mix(in srgb,var(--accent-2) 50%,var(--bg));backdrop-filter:none}.checkin-tile>span{display:flex;flex-direction:column;text-align:left;gap:4px}.checkin-tile strong{font-size:16px;font-weight:650}.checkin-tile small{font-size:11px}.checkin-tile>i{display:grid;place-items:center;width:33px;height:33px;background:var(--accent);color:var(--paper-solid);border-radius:50%;font-style:normal;font-size:21px}.checkin-tile.checked{background:color-mix(in srgb,var(--accent-soft) 70%,var(--accent-2));opacity:1;color:var(--ink)}.garden-note{font-size:11px;color:var(--muted);margin:18px 0 24px}.study-actions{margin-top:16px;gap:12px}.study-action{padding:18px 16px;min-height:130px;align-items:flex-start;background:var(--sun);border:0;border-radius:24px 24px 9px 24px;box-shadow:none;backdrop-filter:none;color:var(--ink)}.study-action.review{background:var(--leaf);border-radius:24px 24px 24px 9px}.study-action strong{font-size:16px;font-weight:650}.study-action b{font-size:34px;line-height:1;margin-top:15px;color:var(--ink);font-weight:600;letter-spacing:-.035em}.study-action i{font-size:19px;line-height:1;font-style:normal;margin-top:4px}.study-action small{font-size:10px;margin-top:10px;color:color-mix(in srgb,var(--ink) 78%,transparent)}.study-action:disabled{opacity:.55}.garden-progress{display:flex;justify-content:space-between;gap:5px;margin:17px 0 0;color:var(--muted);font-size:10px}.garden-progress span{font-size:10px}.bottom-nav{left:calc(50% + 255px);width:400px;bottom:12px;transform:translateX(-50%);height:67px;background:var(--paper-solid);border-radius:22px;padding:9px 15px;box-shadow:0 5px 22px #39452c08}.nav-item{display:flex;flex-direction:column;gap:4px;font-size:10px}.nav-icon{width:24px;height:24px;padding:3px;background:var(--bg);border-radius:8px}.primary{border-radius:16px;background:var(--accent);color:var(--paper-solid);box-shadow:0 4px 0 color-mix(in srgb,var(--accent) 85%,#172b17);font-size:14px;letter-spacing:0;min-height:50px;padding:12px 16px}.primary:active{box-shadow:0 1px 0 color-mix(in srgb,var(--accent) 85%,#172b17)}.secondary,.secondary-wide{border-radius:16px;min-height:50px;background:var(--paper);border:1px solid var(--line);box-shadow:none;font-size:14px}.round-icon{width:37px;height:37px;border:1px solid var(--line);background:var(--paper);box-shadow:none;font-size:20px}.page-top{background:transparent}.utility-screen,.study-screen{background:var(--bg)}.page-top strong{font-weight:650;font-size:16px}.utility-screen{padding-bottom:30px}.term-heading{padding:27px 24px 22px}.term-heading h1{font-size:31px;letter-spacing:-.045em;font-weight:700}.term-heading h1 em{font-size:12px;margin-top:8px;letter-spacing:0;color:var(--muted)}.study-meta{align-items:center;margin-top:8px;font-size:11px}.study-meta small{font-size:10px}.garden-study-progress{height:4px;margin:9px 24px 17px;background:var(--line);border-radius:6px;overflow:hidden}.garden-study-progress i{display:block;height:100%;background:var(--accent-2);border-radius:6px;transition:width .25s}.study-mode-switch{margin-top:0;border-radius:13px;background:color-mix(in srgb,var(--muted) 11%,var(--bg));padding:4px}.study-mode-switch button{border-radius:10px;font-size:12px;min-height:34px}.study-mode-switch button.active{box-shadow:0 2px 4px #37412c08;color:var(--accent)}.segment{background:var(--paper);border:1px solid var(--line);border-radius:24px 24px 8px 24px;box-shadow:3px 4px 0 color-mix(in srgb,var(--line) 65%,var(--bg));padding:22px 20px}.segment-label{display:inline-flex;padding:3px 10px;background:color-mix(in srgb,var(--sun) 55%,var(--paper));color:var(--ink);border-radius:25px;font-size:11px;letter-spacing:0;font-weight:550;line-height:1.5;margin-bottom:13px}.segment-text{font-size:15px;line-height:2.1}.segments{gap:17px;padding:0 24px}.answer-key{color:var(--accent);border-bottom-color:var(--accent-2);border-radius:2px;font-weight:650}.answer-key.hidden-key{background:var(--accent-soft);border-bottom:1px dashed var(--accent-2);border-radius:5px;min-width:35px;display:inline-block;padding:0 4px;line-height:1.75}.cloze-input{background:var(--accent-soft);border-bottom:1px dashed var(--accent);border-radius:6px 6px 2px 2px;height:32px;font-size:14px}.cloze-input:focus{box-shadow:0 0 0 3px color-mix(in srgb,var(--accent-2) 20%,transparent)}.eye-toggle{border-radius:11px;border:1px solid var(--line)}.result-banner{border:1px solid var(--line);padding:16px 18px;border-radius:18px;font-size:13px;line-height:1.8}.segment.wrong{background:var(--danger-soft);border-color:color-mix(in srgb,var(--danger) 35%,var(--line));box-shadow:none}.mastery-dots i.lit{background:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.sticky-actions,.content-actions,.browse-controls{left:calc(50% + 255px);width:440px;background:var(--bg);border-top:1px solid var(--line);backdrop-filter:none;box-shadow:none;padding:13px 24px max(13px,env(safe-area-inset-bottom))}.browse-study-actions .primary,.browse-study-actions .secondary{min-height:48px}.sticky-actions .text-button{font-size:11px}.study-screen{padding-bottom:150px}.browse-controls button{border-radius:15px;background:var(--paper);box-shadow:none}.immersive-top{background:var(--bg);backdrop-filter:none}.detail-segments{padding-bottom:12px}.familiar-toggle.active{background:var(--sun);color:var(--ink)}
.content-subject,.content-tools,.term-directory{margin-left:24px;margin-right:24px}.content-subject>button{background:var(--accent-soft);border-radius:20px;box-shadow:none;padding:15px 17px}.content-subject strong{font-size:17px}.content-subject small{font-size:10px}.content-search{background:var(--paper);border:1px solid var(--line);border-radius:14px;min-height:46px}.content-search input{font-size:13px}.content-tools{background:var(--bg);padding:10px 0}.content-filters{gap:6px}.content-filters button{min-width:0;padding:7px 11px;font-size:11px;background:var(--paper);border-color:var(--line)}.content-filters button.active{background:var(--accent);color:var(--paper-solid)}.term-directory>header{font-size:12px;margin:7px 0}.term-list{border-radius:0;box-shadow:none;background:transparent;overflow:visible;display:grid;gap:9px}.term-row{border:1px solid var(--line)!important;background:var(--paper);border-radius:17px;min-height:75px;padding:13px 15px;gap:8px}.term-copy strong{font-size:14px;font-weight:650}.term-copy small{margin-top:3px;font-size:11px}.status-badge{font-size:10px;font-weight:500;padding:4px 8px;background:var(--accent-soft)}.content-screen{padding-bottom:105px}.content-actions{border-radius:0;gap:8px;grid-template-columns:1.2fr 1fr .8fr;padding:12px 16px}.content-action{border-radius:14px;font-size:12px}.content-action small{font-size:9px}.random-entry{background:var(--accent-soft)}.content-empty{background:var(--paper);border:1px dashed var(--line);border-radius:20px;padding:35px 18px}.content-source-note{font-size:10px;margin-top:12px;line-height:1.8}
.account-card{box-shadow:none;margin:16px 24px 0;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:18px;gap:10px}.account-avatar{width:40px;height:40px;background:var(--sun);color:var(--ink);border-radius:14px;flex-shrink:0}.account-copy strong{font-size:13px}.account-copy span,.account-copy small{font-size:10px}.account-card>button{background:var(--accent-soft);padding:7px 10px;font-size:11px}.settings-hero,.settings-section{margin-left:24px;margin-right:24px}.settings-hero>button{border:1px solid var(--line);border-radius:20px;box-shadow:none;padding:17px;background:var(--paper)}.settings-hero strong{font-size:17px}.settings-hero small{font-size:11px}.settings-section h2{font-size:11px;letter-spacing:.03em}.setting-card{border:1px solid var(--line);background:var(--paper);box-shadow:none;border-radius:22px;padding:5px 18px}.setting-card strong{font-size:13px}.setting-card small{font-size:11px}.finish-date{background:color-mix(in srgb,var(--sun) 25%,var(--bg));border-radius:14px;padding:14px}.finish-date strong{font-size:14px}.mode-setting-buttons{border-radius:12px;gap:3px}.mode-setting-buttons button{border-radius:9px;min-width:50px}.mode-setting-buttons button.active{background:var(--accent);color:var(--paper-solid)}.free-plan-choice{font-size:12px}.theme-choice{background:var(--paper);border-radius:15px}.theme-choice i{border-radius:12px;width:31px;height:31px}.theme-choice.active{box-shadow:0 0 0 1px var(--accent)}
.metric-grid{margin:18px 24px 0;gap:10px}.metric-grid article{border-radius:20px;min-height:110px;background:var(--accent-soft);padding:17px}.metric-grid article:nth-child(2){background:color-mix(in srgb,var(--sun) 55%,var(--bg))}.metric-grid article:nth-child(3){background:color-mix(in srgb,var(--sun) 20%,var(--line))}.metric-grid article:nth-child(4){background:var(--leaf)}.metric-grid strong{font-size:26px;font-weight:650;letter-spacing:-.03em}.metric-grid span,.metric-grid small{font-size:10px}.chart-section{margin:18px 24px 0;padding:20px 15px 14px;border:1px solid var(--line);border-radius:22px;background:var(--paper)}.chart-toolbar h2,.section-title h2{font-size:14px;font-weight:650}.range-tabs{border-radius:11px}.range-tabs button{border-radius:8px;padding:6px 9px;min-width:40px;font-size:10px}.range-tabs button.active{color:var(--accent);background:var(--paper-solid);box-shadow:none}.activity-legend .learn i,.activity-bars .activity-stack .learn-segment{background:#ddba76}.activity-legend .review i,.activity-bars .activity-stack .review-segment{background:#99b18b}.activity-bars .activity-stack{border-radius:14px 14px 3px 3px}.activity-legend{font-size:10px;margin-top:20px}.bar-chart{height:195px}.line-chart polyline{stroke:var(--accent-2);stroke-width:2.5}.line-chart circle{stroke:var(--accent-2);stroke-width:2}.calendar-link{border:1px solid var(--line);border-radius:20px;background:var(--paper);padding:17px;box-shadow:none}.utility-screen>.calendar-link{width:calc(100% - 48px);margin:18px 24px 0}.calendar-link small{font-size:11px}.streak-card{margin:18px 24px 0;background:var(--accent-soft);box-shadow:none;border:1px solid var(--line);border-radius:24px}.streak-card strong{color:var(--accent);font-weight:600}.streak-card p{font-size:12px}.month-card{margin:16px 24px 0;background:var(--paper);border:1px solid var(--line);border-radius:22px;box-shadow:none}.calendar-day.checked{background:var(--accent-soft);color:var(--accent)}.calendar-day.today{border-color:var(--accent)}.calendar-screen>.primary{width:calc(100% - 48px);margin:18px 24px 0}.sheet{width:440px;max-height:90dvh;border-radius:27px 27px 0 0;background:var(--paper-solid);padding:23px 24px 27px;box-shadow:0 -10px 40px #2c352820}.backdrop{background:#20291a42;backdrop-filter:blur(3px)}.sheet-head h2{font-size:22px;font-weight:650;letter-spacing:-.03em}.sheet-head small{font-size:10px}.sheet-head button{background:var(--accent-soft);width:32px;height:32px;font-size:20px}.subject-option{background:var(--bg);border:1px solid var(--line);border-radius:17px;padding:16px}.subject-option.current{border-color:var(--accent);background:var(--accent-soft)}.subject-option small{font-size:11px}.subject-option b{font-size:11px}.redeem-panel{border:1px solid var(--line);background:var(--bg);border-radius:19px;padding:18px}.redeem-panel h3{font-size:14px;margin-top:0}.redeem-panel p{font-size:12px;line-height:1.8}.redeem-panel input{border-radius:12px;border:1px solid var(--line);background:var(--paper);font-size:12px}.redeem-panel button{border-radius:12px;background:var(--accent);color:var(--paper-solid)}.account-summary{background:var(--accent-soft);border-radius:19px}.account-summary strong{font-size:14px}.auth-field input{background:var(--bg);border-radius:13px}.account-notice{background:var(--accent-soft)}.auth-tabs{border-radius:13px}.auth-tabs button{border-radius:10px;font-size:13px}.legal-copy{font-size:13px;line-height:1.9}.legal-consent{font-size:11px}.auth-gate{background:var(--bg)}.auth-gate .sheet{box-shadow:none;border:1px solid var(--line)}.order-list div{background:var(--bg);border-radius:14px}.settings-section:last-child{margin-bottom:20px}
@keyframes gardenReveal{from{opacity:.6;transform:translateY(4px)}to{opacity:1;transform:none}}.card-screen .segments,.result-banner{animation:gardenReveal .25s ease}.garden-study-progress i{transition:width .25s}html[data-theme=night] .garden-scene{opacity:.85}html[data-theme=night] .primary{color:#253026;box-shadow:0 4px 0 #789765}
@media(min-width:1001px){.backdrop{left:calc(50% + 35px);right:auto;width:440px}.sheet{max-width:440px}.auth-gate{padding:20px}}
@media(max-width:1000px){.preview-intro{display:none}.app-shell{margin:0 auto;width:min(100%,480px);border:0}.bottom-nav{left:50%;width:min(calc(100% - 40px),440px)}.sticky-actions,.browse-controls,.content-actions{left:50%;width:min(100%,480px)}.sheet{width:min(100%,480px)}}
@media(max-width:370px){.home-screen{padding-left:20px;padding-right:20px}.home-focus h1{font-size:25px}.study-action{padding:17px 13px}.study-action strong{font-size:14px}.garden-scene{height:190px}.garden-progress span{display:none}.term-heading h1{font-size:28px}.content-filters button{padding:7px 9px}.sheet{padding:20px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.garden-home{min-height:100dvh;padding-bottom:108px}.garden-home .home-focus{min-height:0}.garden-scene{height:clamp(135px,25dvh,208px)}.streak-card{color:var(--ink)}.preview-mobile{display:none}@media(max-width:1000px){.preview-mobile{display:flex;justify-content:space-between;max-width:480px;margin:0 auto;padding:6px 24px;background:#e9ecdf;color:#7f8b70;font-size:10px}.garden-home{min-height:calc(100dvh - 29px)}}@media(max-height:700px){.home-focus{padding-top:20px}.garden-scene{height:145px}.garden-note{margin:15px 0}.study-action{min-height:115px}.home-focus h1{font-size:27px}}

.garden-home .study-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.garden-home .study-action{min-width:0;flex-direction:row}.garden-home .study-action span{align-items:flex-start}.garden-home .study-action strong{font-size:15px}

.pdf-placeholder{opacity:1;border:1px solid var(--line)}@media(max-width:1000px){.app-shell,.study-screen{min-height:calc(100dvh - 29px)}}

.settings-hero>button{grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto;gap:2px 10px}.settings-hero>button strong{grid-column:1;grid-row:1}.settings-hero>button small{grid-column:1;grid-row:2}.settings-hero>button b{grid-column:2;grid-row:1/3}.theme-mist{background:#f9f6ef}.theme-paper{background:#ead5ad}

.account-summary{padding:0;background:transparent}.account-summary>span{background:var(--accent-soft);border-radius:17px}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}


/* Keep the return control available while scrolling each page. */
.page-top,.immersive-top{position:sticky;top:0;z-index:9;background:var(--bg)}

/* Production layout: centered app, no preview guide or demo banner. */
body{background:var(--bg)}.app-shell{width:min(100%,480px);margin:0 auto;border:0;min-height:100dvh}
.bottom-nav{left:50%;width:min(calc(100% - 40px),440px)}
.sticky-actions,.content-actions,.browse-controls{left:50%;width:min(100%,480px)}
.backdrop{left:0;right:0;width:auto}.sheet{width:min(100%,480px);max-width:480px}
.garden-home,.study-screen{min-height:100dvh}

.app-update-panel{padding:15px 18px;margin-top:12px}.update-version{display:flex;align-items:center;justify-content:space-between;gap:12px}.update-version>span{display:flex;flex-direction:column}.update-version small,.update-status{font-size:12px;color:var(--muted)}.update-status{margin:8px 0}.update-toast{position:fixed;z-index:50;top:max(12px,env(safe-area-inset-top));left:50%;transform:translateX(-50%);width:min(calc(100% - 32px),400px);padding:17px 20px;background:var(--paper-solid);border:1px solid var(--line);border-radius:20px;box-shadow:0 8px 32px #333b3226}.update-toast p{font-size:13px;margin:6px 0 12px;color:var(--muted)}.update-toast>div{display:flex;align-items:center;gap:15px}.update-toast .primary{min-height:42px}
.update-toast .primary{flex:1;width:auto;margin:0}.update-toast .text-button{flex:none;white-space:nowrap}
.default-avatar{background:var(--accent-soft);color:var(--accent);transform:none}.default-avatar svg{width:26px;height:26px;display:block;fill:none;stroke:currentColor}.empty-subject-home{padding-bottom:108px;gap:24px}.empty-subject-home .home-focus{flex:0;min-height:0;padding-top:0}.empty-subject-home .quiet-message{margin-top:18px}.empty-subject-card{margin:0 auto;padding:24px;border-color:var(--line);background:var(--paper);border-radius:24px;box-shadow:none}.sheet-head button{display:grid;place-items:center;flex:none;padding:0;line-height:1}.sheet-head button svg{display:block;width:20px;height:20px}
.checkin-tile>i{flex:none;padding:0;line-height:1}.checkin-tile>i svg{display:block;width:22px;height:22px}
.default-avatar{background:#f5cf87;color:#374532;padding:0;overflow:hidden}.default-avatar img{display:block;width:100%;height:100%;object-fit:contain;border-radius:inherit}
.default-avatar{transform:rotate(-5deg)}.default-avatar svg{width:100%;height:100%;display:block}
.cloze-edit-entry{margin:0 24px 18px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:11px}.cloze-edit-entry button{padding:9px 14px;border:1px solid var(--line);background:var(--paper);border-radius:12px;color:var(--accent);font-size:12px}.cloze-editor-screen{padding-bottom:155px}.cloze-editor-intro{margin:20px 24px}.cloze-editor-intro h1{font-size:25px;margin:0 0 12px}.cloze-editor-intro p{font-size:13px;line-height:1.9}.cloze-editor-intro small{color:var(--muted);font-size:11px}.cloze-editor-segments{margin:0 24px;display:grid;gap:18px}.cloze-editor-segment{background:var(--paper);border:1px solid var(--line);padding:18px;border-radius:20px}.cloze-editor-segment h2{font-size:14px;margin:0 0 15px}.cloze-editor-segment label>span{display:block;font-size:10px;color:var(--muted);margin-bottom:6px}.cloze-editor-segment textarea{width:100%;min-height:125px;border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.9;resize:vertical;user-select:text;-webkit-user-select:text}.cloze-selection-row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:10px 0 16px}.cloze-selection-row>span{font-size:10px;color:var(--muted);min-width:0;overflow-wrap:anywhere}.cloze-selection-row button{padding:9px 12px;white-space:nowrap;border-radius:10px;background:var(--accent);color:var(--paper-solid);font-size:11px}.cloze-selection-row button:disabled{opacity:.45}.cloze-range-list{display:flex;flex-wrap:wrap;gap:8px}.cloze-range-list button{background:var(--accent-soft);color:var(--accent);padding:7px 10px;border-radius:10px;max-width:100%;overflow-wrap:anywhere;text-align:left;font-size:12px;text-decoration:underline;text-underline-offset:4px}.cloze-range-list button>span{margin-left:10px;text-decoration:none}.cloze-range-list small{color:var(--muted);font-size:11px}.cloze-editor-footer{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,480px);padding:15px 24px max(20px,env(safe-area-inset-bottom));background:var(--paper-solid);border-top:1px solid var(--line);z-index:12}.cloze-editor-footer p{font-size:11px;color:var(--muted);margin:0 0 12px}.cloze-editor-footer>div{display:flex;align-items:center;gap:20px}.cloze-editor-footer .text-button{flex:none;padding:10px 0;font-size:12px}.cloze-editor-footer .primary{flex:1}
.cloze-find-label{display:block;margin:0 0 10px}.cloze-find-label input{width:100%;border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:10px 12px;font-size:13px}.cloze-find-matches{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.cloze-find-matches button{background:var(--accent-soft);color:var(--accent);border-radius:10px;padding:9px 12px;font-size:11px}.cloze-find-matches small{font-size:11px;color:var(--muted)}

/* Explicit, reversible mastery controls; stars are not used as a synonym for mastery. */
.mastered-toggle { min-height: 44px; padding: 8px 11px; display: inline-flex; align-items: center; justify-content: center; gap: 5px; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); color: var(--accent); font-size: 12px; font-weight: 650; white-space: nowrap; }
.mastered-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.mastered-toggle.active { background: var(--accent-soft); border-color: var(--accent-2); }
.mastered-toggle:focus-visible, .term-row-open:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 2px; }
.term-tools { display: flex; flex-direction: column; align-items: flex-end; flex: none; gap: 9px; }
.term-tools .mastery-dots { flex-direction: row; padding: 4px; }
.term-heading > div:first-child { min-width: 0; }
.term-heading h1 { overflow-wrap: anywhere; }
.immersive-top > .mastered-toggle { justify-self: end; }
.immersive-top { grid-template-columns: minmax(0,1fr) minmax(0,auto) minmax(0,1fr); gap: 6px; }
.immersive-top > span { min-width: 0; }
.term-directory .term-row { grid-template-columns: minmax(0,1fr) auto; padding: 0; gap: 0; }
.term-row-open { width: 100%; min-width: 0; min-height: 75px; padding: 13px 10px 13px 15px; display: grid; grid-template-columns: minmax(0,1fr) auto 10px; align-items: center; gap: 6px; text-align: left; background: transparent; border-radius: 17px; }
.term-row-open > b { color: var(--muted); }
.term-row .mastered-toggle { margin-right: 10px; font-size: 11px; padding: 7px 9px; }
.term-row .mastered-toggle svg { width: 16px; height: 16px; }
.term-state small { max-width: 90px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mastered-help { margin: 14px 0 10px; font-size: 11px; color: var(--muted); line-height: 1.8; }
.mastered-notice { position: fixed; z-index: 40; top: max(78px,env(safe-area-inset-top)); left: 50%; transform: translateX(-50%); width: min(calc(100% - 32px),480px); padding: 11px 14px; display: flex; align-items: center; gap: 10px; background: var(--paper-solid); border: 1px solid var(--accent-2); border-radius: 15px; box-shadow: 0 6px 20px #333b3226; }
.mastered-notice span { flex: 1; min-width: 0; font-size: 12px; line-height: 1.6; }
.mastered-notice button { background: transparent; color: var(--accent); min-height: 36px; padding: 4px; font-size: 12px; white-space: nowrap; }
.mastered-notice button:last-child { font-size: 23px; }
@media (max-width: 360px) {
  .term-row-open { padding-left: 10px; }
  .term-row .mastered-toggle { margin-right: 6px; gap: 3px; padding: 7px; }
  .term-row .mastered-toggle svg { display: none; }
  .immersive-top > span { max-width: 110px; }
}

/* Responsive production layout */
@media (min-width: 768px) {
  .app-shell { width: 100%; }
  .garden-home { max-width: 1200px; margin: 0 auto; padding: 32px 48px 116px; }
  .garden-home .home-focus { align-items: center; justify-content: center; }
  .garden-home .home-focus h1 { font-size: clamp(30px, 3.2vw, 42px); white-space: normal; text-align: center; }
  .garden-home .garden-scene { width: min(100%, 600px); height: clamp(160px, 26dvh, 280px); }
  .garden-home .checkin-tile { max-width: 600px; }
  .garden-home .garden-note { margin: 14px 0; }
  .garden-home .study-actions { width: 100%; margin-top: 20px; }
  .garden-home .study-action { min-height: 112px; padding: 22px 28px; }
  .garden-home .study-action small { display: none; }
  .garden-home .study-action strong { font-size: 20px; }
  .garden-home .garden-progress { font-size: 13px; }
  .bottom-nav { width: min(calc(100% - 64px), 1104px); height: 72px; }
  .empty-subject-home, .home-a, .home-c { max-width: 1200px; width: 100%; margin: 0 auto; padding: 32px 48px 116px; }
  .empty-subject-home .home-focus { width: min(100%, 600px); margin: 0 auto; }
  .empty-subject-card { width: min(100%, 680px); }
  .utility-screen, .study-screen { max-width: 1200px; width: 100%; margin: 0 auto; }
  .term-heading, .segments { padding-left: 48px; padding-right: 48px; }
  .term-heading h1 { font-size: 36px; }
  .segment-text { font-size: 18px; }
  .page-top, .immersive-top { padding-left: 48px; padding-right: 48px; }
  .content-subject, .content-tools, .term-directory, .settings-hero, .settings-section,
  .metric-grid, .chart-section, .account-card, .streak-card, .month-card,
  .cloze-edit-entry, .cloze-editor-intro, .cloze-editor-segments { margin-left: 48px; margin-right: 48px; }
  .metric-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .utility-screen > .calendar-link, .calendar-screen > .primary { width: calc(100% - 96px); margin-left: 48px; margin-right: 48px; }
  .sticky-actions, .browse-controls, .content-actions { width: min(100%, 1200px); padding-left: 48px; padding-right: 48px; }
  .cloze-editor-footer { width: min(100%, 1200px); padding-left: 48px; padding-right: 48px; }
  .cloze-editor-footer > div { justify-content: flex-end; }
  .cloze-editor-footer .primary { flex: 0 1 380px; }
  .sheet { width: min(calc(100% - 64px), 640px); max-width: 640px; }
  .auth-gate .sheet { width: min(100%, 460px); }
}

@media (min-width: 768px) and (max-height: 600px) {
  .garden-home { padding-top: 18px; }
  .garden-home .home-focus { padding-top: 10px; }
  .garden-home .garden-scene { height: 110px; }
  .garden-home .home-focus h1 { margin-top: 0; font-size: 28px; }
  .garden-home .study-action { min-height: 90px; padding: 16px 24px; }
}

/* Make room for the resume action without pushing study buttons behind navigation. */
@media (max-height: 850px) {
  .garden-home:has(.resume-study) .garden-kicker,
  .garden-home:has(.resume-study) .garden-note { display: none; }
  .garden-home:has(.resume-study) .home-focus { padding-top: 16px; }
  .garden-home:has(.resume-study) .home-focus h1 { margin-top: 0; }
  .garden-home:has(.resume-study) .garden-scene { height: clamp(110px,18dvh,155px); }
  .garden-home:has(.resume-study) .study-actions { margin-top: 12px; }
  .garden-home:has(.resume-study) .study-action { min-height: 106px; padding: 16px 20px; }
  .garden-home:has(.resume-study) .study-action b { margin-top: 8px; }
}