/* Appearance choices are kept separate from subject and notebook formatting. */
:root{--accent:#087b62;--accent-hover:#086a55;--accent-soft:#e3f3ee;--accent-ink:#075c4a;--page:#f7f9f8;--panel:#fff;--text:#263747;--quiet:#5a6a7a;--edge:#dce5e5;--field:#fff;--subtle:#f0f5f4}
:root[data-accent="blue"]{--accent:#2863bb;--accent-hover:#2154a5;--accent-soft:#e8f0fc;--accent-ink:#1e4d99}
:root[data-accent="purple"]{--accent:#6948a7;--accent-hover:#593d91;--accent-soft:#f0ebf9;--accent-ink:#553786}
:root[data-accent="coral"]{--accent:#ac5039;--accent-hover:#91412e;--accent-soft:#f9eee9;--accent-ink:#8c3929}
:root[data-accent="teal"]{--accent:#087d91;--accent-hover:#076b7b;--accent-soft:#e5f4f6;--accent-ink:#075f71}
:root[data-theme="dark"]{--page:#111b25;--panel:#1b2935;--text:#ebf1f5;--quiet:#bbcbd5;--edge:#344654;--field:#21323f;--subtle:#223541;--accent-soft:#204b44;--accent-ink:#90ddc5;color-scheme:dark}
:root[data-theme="dark"][data-accent="blue"]{--accent-soft:#253d5b;--accent-ink:#a6c8ff}
:root[data-theme="dark"][data-accent="purple"]{--accent-soft:#39304f;--accent-ink:#d4baff}
:root[data-theme="dark"][data-accent="coral"]{--accent-soft:#49322f;--accent-ink:#ffbaa5}
:root[data-theme="dark"][data-accent="teal"]{--accent-soft:#25444d;--accent-ink:#a7e4e9}
:root,body,.main{background:var(--page);color:var(--text)}
body{font-size:1rem;line-height:1.58}
.sidebar,.topbar,.card,.stat,.social-card,.home-subject,.modal,.auth-card,.tabs button,.btn:not(.primary):not(.danger),.mobile-nav{background:var(--panel);color:var(--text);border-color:var(--edge)}
.sidebar{box-shadow:none}.topbar{background:var(--panel)}
.brand,.heading h1,.section-head h2,.home-section-head h2,.home-summary h2,.modal h2,.auth-card h1,.period-label strong,.subject-row strong,.study-history-row strong,.home-subject-name,.breadcrumb b{color:var(--text)}
.heading p,.breadcrumb,.side-bottom p,.subject-row small,.study-history-row small,.home-subject-meta,.journey-metric small,.auth-card p,.appearance-panel p{color:var(--quiet)}
.brand,.heading h1,.hero h2,.section-head h2,.stat strong,.modal h2,.summary-topic h3,.study-page h2,.study-page h3,.period-label strong,.auth-card h1{font-weight:680}
.nav button{color:var(--quiet);font-weight:540}.nav button:hover{background:var(--subtle);color:var(--accent-ink);border-color:var(--edge);transform:none}.nav button.active{background:var(--accent-soft);color:var(--accent-ink);border-color:transparent;font-weight:620}.nav button.active:before{background:var(--accent)}
.nav-label,.eyebrow{font-weight:610;letter-spacing:.075em}.eyebrow,.topbar .link,.link,.home-subject-action,.period-heading:hover .period-label strong{color:var(--accent-ink)}
.brand-mark,.btn.primary,.tabs button.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:none}.brand-mark{box-shadow:none}.brand span[style*="color:#baf2a7"]{color:var(--accent-ink)!important}
.btn,.tabs button{font-weight:610;box-shadow:none}.btn:hover,.tabs button:hover{background:var(--subtle);box-shadow:none;transform:none}.btn.primary:hover{background:var(--accent-hover);box-shadow:none}.btn.primary:active,.tabs button.active{box-shadow:none}
.btn.light{color:var(--accent-ink)}.tabs button{color:var(--text)}.tabs button.active{color:#fff}.tabs button.active:hover{background:var(--accent-hover)}
.side-bottom,.pill,.notice,.insight,.journey-metric>span,.avatar,.subject-icon,.nav button.active,.mobile-nav button.active{background:var(--accent-soft);color:var(--accent-ink);border-color:var(--edge)}
.side-bottom strong{font-weight:620}.notice{border-left-color:var(--accent)}
.form label{color:var(--text);font-weight:570}.form input,.form select,.form textarea,.editor-toolbar button,.editor-toolbar select,.appearance-choice,.accent-choice{background:var(--field);border-color:var(--edge);color:var(--text)}
.form input::placeholder,.form textarea::placeholder{color:var(--quiet)}.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.home-subject,.card,.stat,.social-card,.subject-row,.study-history-row,.history-objective,.summary-topic,.quiz-question,.period-folder{border-color:var(--edge)}
.subject-row{background:var(--panel);color:var(--text)}
.home-subject:hover,.subject-row:hover,.study-history-row:hover{border-color:var(--accent);box-shadow:none}
.home-subject-name,.home-subject-action,.subject-row strong,.study-history-row strong{font-weight:620}.period-heading:after{color:var(--quiet)}
.learning-hero{background:linear-gradient(125deg,var(--accent),var(--accent-hover));border-color:var(--accent);box-shadow:none}.learning-hero h2{color:#fff}.hero-button{color:var(--accent-ink);box-shadow:none}.hero-button:hover{box-shadow:none}.progress-orbit>div{background:var(--accent)}
.progress span{background:var(--accent)}.progress-orbit{background:conic-gradient(#9becd0 var(--progress),#ffffff47 0)}
.auth-shell{background:linear-gradient(135deg,var(--accent),var(--accent-hover))}.auth-card .brand{background:var(--accent-hover)}
:root[data-theme="dark"] .learning-hero p,:root[data-theme="dark"] .learning-hero .eyebrow{color:#f3f9fa}
:root[data-theme="dark"] .hero-button{background:#fff;color:#183b35}
:root[data-theme="dark"] .hero-button:hover{background:#eaf5f1}
:root[data-theme="dark"] .avatar{color:var(--accent-ink)}
:root[data-theme="dark"] .modal,:root[data-theme="dark"] .note,:root[data-theme="dark"] .empty,:root[data-theme="dark"] .quiz-question,:root[data-theme="dark"] .summary-topic,:root[data-theme="dark"] .history-objective,:root[data-theme="dark"] .study-history-row{background:var(--panel);color:var(--text);border-color:var(--edge)}
:root[data-theme="dark"] .modal-backdrop{background:#07111bd9}
:root[data-theme="dark"] .subject-row,:root[data-theme="dark"] .task-row,:root[data-theme="dark"] .period-folder,:root[data-theme="dark"] .event-row,:root[data-theme="dark"] .journey-metric{border-color:var(--edge)}
:root[data-theme="dark"] .subject-icon[style]{color:#19313a}
:root[data-theme="dark"] #rich-editor{background:#fdfdfc;color:#172a30}
:root[data-theme="dark"] .mobile-nav{box-shadow:0 -8px 24px #0005}
.appearance-panel{max-width:760px}.appearance-panel h2{font-size:1.16rem;font-weight:670;margin:4px 0 5px}.appearance-panel h2:not(:first-child){margin-top:30px}.appearance-panel p{margin:0 0 16px}.appearance-options,.accent-options{display:flex;flex-wrap:wrap;gap:12px}
.appearance-choice{width:min(200px,45%);border:1px solid var(--edge);border-radius:15px;padding:13px;text-align:left;display:grid;gap:11px;cursor:pointer}.appearance-choice strong{font-weight:620}.appearance-choice[aria-pressed="true"],.accent-choice[aria-pressed="true"]{border:2px solid var(--accent);background:var(--accent-soft);color:var(--accent-ink)}
.mode-preview{width:100%;height:75px;display:block;border-radius:9px;padding:14px;border:1px solid #d4dfe1}.mode-preview i{display:block;height:8px;width:65%;border-radius:3px;margin-bottom:8px}.mode-preview i+ i{width:42%}.mode-light{background:#f6f8f7}.mode-light i{background:#a5b7b4}.mode-dark{background:#172631;border-color:#46545e}.mode-dark i{background:#8bafb8}
.accent-choice{display:inline-flex;align-items:center;gap:9px;padding:10px 15px;border:1px solid var(--edge);border-radius:100px;cursor:pointer;font-weight:570;min-height:46px}.color-dot{width:20px;height:20px;border-radius:50%;background:var(--swatch);flex:none}.appearance-hint{margin-top:24px!important;font-size:.87rem}
:root[data-theme="dark"] .notice,:root[data-theme="dark"] .pill,:root[data-theme="dark"] .insight{color:var(--accent-ink)}
:root[data-theme="dark"] .learning-hero .hero-button,:root[data-theme="dark"] .btn.light{color:#173b36}
@media(max-width:700px){.mobile-nav button{font-weight:550}.mobile-nav button.active{background:var(--accent-soft);color:var(--accent-ink)}.appearance-choice{width:calc(50% - 6px)}}
:root[data-theme="dark"] .btn.light,:root[data-theme="dark"] .learning-hero .btn.hero-button{background:#fff;color:#173b36;border-color:#fff}
:root[data-theme="dark"] main[style*="background:#f5f7f2"]{background:var(--page)!important;color:var(--text)}
:root[data-theme="dark"] .auth-card .brand{color:#fff}
:root[data-theme="dark"] .map-grid .map-node,:root[data-theme="dark"] .study-steps span,:root[data-theme="dark"] .history-metrics span,:root[data-theme="dark"] .study-paging,:root[data-theme="dark"] .note{background:var(--subtle);color:var(--text);border-color:var(--edge)}
:root[data-theme="dark"] .history-metrics b,:root[data-theme="dark"] .map-node summary,:root[data-theme="dark"] .map-node p,:root[data-theme="dark"] .event-row small{color:var(--text)}
:root[data-theme="dark"] .history-objective select{background:var(--field);color:var(--text);border-color:var(--edge)}
:root[data-theme="dark"] .quiz-question input{accent-color:var(--accent)}
.custom-color-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:22px;padding:16px;border:1px solid var(--edge);border-radius:15px;background:var(--subtle)}
.custom-color-row label{font-weight:620;color:var(--text)}.custom-color-row span{color:var(--quiet);font-size:.9rem}
.custom-color-row input[type="color"]{appearance:none;-webkit-appearance:none;inline-size:50px;block-size:50px;padding:0;border:3px solid var(--panel);outline:1px solid var(--edge);border-radius:50%;overflow:hidden;background:transparent;cursor:pointer;flex:none}
.custom-color-row input[type="color"]::-webkit-color-swatch-wrapper{padding:0}.custom-color-row input[type="color"]::-webkit-color-swatch{border:none;border-radius:50%}.custom-color-row input[type="color"]::-moz-color-swatch{border:none;border-radius:50%}
.custom-color-row input[type="color"]:focus-visible{outline:3px solid var(--accent-ink);outline-offset:3px}
.bundle-preview{margin:4px 0 12px}.bundle-preview details{border:1px solid var(--line, #dbe3ec);border-radius:12px;padding:10px 14px;margin:8px 0;background:var(--surface, transparent)}.bundle-preview summary{cursor:pointer;font-weight:600}.bundle-preview ul{margin:12px 0 4px;padding-left:22px;max-height:240px;overflow:auto}.bundle-preview li{margin:5px 0}.study-plan{display:grid;gap:10px;margin:18px 0}.plan-step{display:flex;align-items:flex-start;gap:12px;padding:14px;border:1px solid var(--line, #dbe3ec);border-radius:12px;cursor:pointer}.plan-step input{margin-top:5px;accent-color:var(--accent, #58a76a)}.plan-step span{display:grid;gap:4px}.plan-step small{font-weight:400;opacity:.75}
.study-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:-6px 0 22px}.study-folder-layout{display:grid;grid-template-columns:minmax(280px,1fr) minmax(320px,1fr);gap:20px;align-items:start}.folder-period{border:1px solid var(--edge);border-radius:12px;padding:12px 16px;margin:0}.folder-period legend{padding:0 6px;color:var(--text);font-weight:650}.folder-choice{display:flex;gap:10px;align-items:center;padding:7px 0;color:var(--text);font-weight:450!important}.folder-choice input{width:18px!important;min-height:18px!important;accent-color:var(--accent);flex:none}.folder-choice small{color:var(--quiet)}.folder-subject-heading{font-weight:650}.personal-folder{padding:16px;border:1px solid var(--edge);border-radius:14px;margin-top:14px}.personal-folder h3{margin:0;font-size:1.05rem;font-weight:650}.personal-folder small{color:var(--quiet)}.personal-folder-items{display:grid;gap:8px}.folder-subject{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;text-align:left;border:1px solid var(--edge);border-radius:10px;background:var(--panel);color:var(--text);padding:11px}.folder-subject:hover{border-color:var(--accent)}.folder-subject small{display:block}.personal-folder .actions{flex-wrap:wrap}@media(max-width:920px){.study-folder-layout{grid-template-columns:1fr}}
.concept-diagram{display:grid;grid-template-columns:minmax(160px,230px) 1fr;gap:18px;align-items:center;margin:24px 0;padding:20px;border:1px solid var(--edge);border-radius:20px;background:var(--subtle)}.concept-core{min-height:160px;display:grid;align-content:center;justify-items:center;text-align:center;gap:8px;padding:20px;border:2px solid var(--accent);border-radius:50%;background:var(--panel);color:var(--text);overflow-wrap:anywhere}.concept-core-icon{font-size:26px;color:var(--accent)}.concept-rays{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.concept-ray{position:relative;display:flex;align-items:center;gap:10px;min-height:66px;padding:11px 13px;border:1px solid var(--edge);border-left:4px solid var(--accent);border-radius:12px;background:var(--panel);color:var(--text);overflow-wrap:anywhere}.concept-ray svg{width:28px;height:28px;flex:none;color:var(--accent)}.concept-line{position:absolute;left:-20px;width:18px;border-top:2px solid var(--accent);opacity:.55}.map-example{padding:18px 20px;border-radius:14px;background:var(--accent-soft);color:var(--text);margin:20px 0}.map-example p{margin:7px 0 0;white-space:pre-line}@media(max-width:650px){.concept-diagram{grid-template-columns:1fr}.concept-core{width:min(220px,100%);margin:auto}.concept-rays{grid-template-columns:1fr}.concept-line{display:none}}
.summary-index{border:1px solid var(--edge);background:var(--panel);border-radius:12px;margin:16px 0;padding:12px 16px;color:var(--text)}.summary-index summary{cursor:pointer;font-weight:650}.summary-index-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.summary-index-list .btn{white-space:normal;text-align:left}.study-file small{color:var(--quiet);font-weight:450}

/* Navegação e leitura confortáveis em telas pequenas. */
.mobile-menu{display:none}
.onboarding-card{width:min(560px,100%);color:var(--text)}
.onboarding-card .form{margin:22px 0 12px}
.onboarding-card .notice{min-height:24px}
.onboarding-card .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.periods-full{width:100%;max-width:1100px;min-width:0;margin:0 auto}
.periods-full .period-folder{min-width:0}
.grade-settings-page{width:min(100%,820px);min-width:0;margin:0 auto}
.mobile-section-picker{display:none}
@media(max-width:700px){
  .grid{grid-template-columns:minmax(0,1fr)}
  .periods-full{gap:14px}
  .periods-full .period-folder{padding:14px}
  .periods-full .subject-list{display:grid;gap:10px;min-width:0}
  .periods-full .subject-row{grid-template-columns:42px minmax(0,1fr);gap:9px 11px;min-width:0;padding:12px}
  .periods-full .subject-row>.subject-icon{grid-column:1;grid-row:1}
  .periods-full .subject-row>div:nth-child(2){grid-column:2;grid-row:1;min-width:0;overflow-wrap:anywhere}
  .periods-full .subject-row .actions{grid-column:1 / -1;grid-row:2;display:flex;gap:8px;width:100%;margin-top:2px}
  .periods-full .subject-row .actions .btn{min-width:0;flex:1;white-space:normal}
  .periods-full .subject-row .actions .danger{flex:0 0 auto}
  .study-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;overflow:visible}
  .study-tabs .btn{min-width:0;min-height:50px;padding:8px 6px;white-space:normal;text-align:center;font-size:12px;line-height:1.2}
  .period-heading{display:grid;grid-template-columns:50px minmax(0,1fr) 22px;column-gap:10px;row-gap:5px;align-items:center}
  .period-heading .period-medal{grid-column:1;grid-row:1 / span 2}
  .period-heading .period-label{grid-column:2;grid-row:1;min-width:0}
  .period-heading .period-label strong{font-size:16px;overflow-wrap:anywhere}
  .period-heading .pill{grid-column:2;grid-row:2;justify-self:start;margin:0;font-size:11px;white-space:normal}
  .period-heading:after{grid-column:3;grid-row:1 / span 2;justify-self:end}
  html,body,#app{max-width:100%;overflow-x:clip}
  .app,.main,.content,.card,.study-folder-layout>*{min-width:0}
  .topbar{position:sticky;top:0;z-index:8;display:flex;gap:8px;height:auto;min-height:60px;padding:8px 14px}
  .mobile-menu{display:block;position:relative;flex:none}
  .mobile-menu>summary{display:flex;align-items:center;gap:6px;min-height:44px;padding:0 11px;border:1px solid var(--edge);border-radius:11px;background:var(--subtle);color:var(--text);font-size:14px;font-weight:650;list-style:none;cursor:pointer}
  .mobile-menu>summary::-webkit-details-marker{display:none}
  .mobile-menu[open]>nav{position:absolute;top:calc(100% + 9px);left:0;z-index:12;width:min(290px,calc(100vw - 28px));max-height:calc(100dvh - 160px);overflow:auto;padding:8px;border:1px solid var(--edge);border-radius:16px;background:var(--panel);box-shadow:0 18px 42px #102a252e}
  .mobile-menu nav button{display:flex;align-items:center;gap:12px;width:100%;min-height:46px;padding:8px 12px;border:0;border-radius:10px;background:transparent;color:var(--text);text-align:left}
  .mobile-menu nav button span{display:grid;place-items:center;width:25px;height:25px;flex:none}
  .mobile-menu nav button.active,.mobile-menu nav button:hover{background:var(--accent-soft);color:var(--accent-ink)}
  .breadcrumb{min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:0}
  .breadcrumb .link,.breadcrumb b{font-size:13px}
  .breadcrumb .link{margin-right:4px!important;min-height:40px;white-space:nowrap}
  .top-actions{flex:none}
  .content{padding:18px 14px calc(100px + env(safe-area-inset-bottom))}
  .heading,.home-section-head{flex-wrap:wrap;gap:12px}
  .heading .actions,.home-section-head .actions{flex-wrap:wrap}
  .heading h1{font-size:clamp(23px,6vw,28px);overflow-wrap:anywhere}
  .card,.auth-card{max-width:100%}
  .stats,.home-subject-grid,.grid,.map-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr))}
  .two-col,.rightcol,.study-folder-layout{grid-template-columns:minmax(0,1fr)}
  .study-tabs,.tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:thin;padding-bottom:8px}
  .study-tabs>* ,.tabs>*{flex:none}
  .study-file{align-items:stretch;overflow-wrap:anywhere}
  .study-file .btn{white-space:normal;min-height:44px}
  .summary-topic,.study-page,.map-node,.concept-diagram{max-width:100%;overflow-wrap:anywhere}
  .summary-topic{padding:15px}
  .study-paging{flex-wrap:wrap;gap:8px}
  .study-paging>*{max-width:100%}
  .folder-subject,.personal-folder{overflow-wrap:anywhere}
  .mobile-nav{gap:3px;scroll-snap-type:x proximity;overscroll-behavior-x:contain;background:var(--panel);border-color:var(--edge)}
  .mobile-nav button{flex:0 0 68px;min-height:53px;scroll-snap-align:start;white-space:nowrap;color:var(--quiet)}
  button,.btn,select,input[type="file"]{touch-action:manipulation}
  input,select,textarea{max-width:100%;font-size:16px}
  .actions{flex-wrap:wrap}
  .modal{max-width:calc(100vw - 24px);max-height:calc(100dvh - 32px);overflow:auto}
  /* The final phone rules override older layout styles from the two themes. */
  .content .grid,.content .two-col,.content .rightcol,.content .home-layout,.content .home-aside{display:grid;grid-template-columns:minmax(0,1fr)}
  .content .grid>*,.content .two-col>*,.content .rightcol>*,.content .home-layout>*,.content .home-aside>*{min-width:0}
  .content .card{padding:16px;border-radius:17px}
  .content .subject-row[style*="grid-template-columns"]{grid-template-columns:minmax(0,1fr)!important}
  .content .subject-row label,.content .subject-row input,.content .subject-row select{min-width:0;width:100%}
  .heading{align-items:flex-start}
  .heading>.actions{width:100%}
  .heading>.actions .btn{flex:1 1 130px}
  .heading p,.notice,.study-page p,.summary-topic p,.map-node p{line-height:1.6;overflow-wrap:anywhere}
  .period-heading{grid-template-columns:50px minmax(0,1fr) 22px;gap:5px 10px}
  .period-heading .period-label small{font-size:12px;line-height:1.35}
  .period-heading .pill{padding:4px 8px;line-height:1.2}
  .study-tabs{grid-template-columns:repeat(auto-fit,minmax(95px,1fr));overflow:visible;padding-bottom:0}
  .mobile-section-picker{display:grid;gap:7px;margin:0 0 17px;color:var(--text);font-size:14px;font-weight:600}
  .mobile-section-picker select{width:100%;min-height:48px;padding:10px 12px;border:1px solid var(--edge);border-radius:12px;background:var(--field);color:var(--text);font-size:16px}
  .content .tabs{display:none}
  .mobile-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));justify-content:stretch;overflow:visible;padding:6px 6px max(8px,env(safe-area-inset-bottom))}
  .mobile-nav button{width:100%;min-width:0;min-height:56px;padding:6px 2px;flex:none;font-size:11px;white-space:normal;line-height:1.2}
  .mobile-nav button span{display:grid;place-items:center;width:24px;height:24px}
  .topbar{box-shadow:0 3px 14px #09254410}
  .topbar .breadcrumb{flex:1;font-size:0}
  .topbar .breadcrumb b{display:inline-block;max-width:calc(100% - 66px);overflow:hidden;vertical-align:middle;text-overflow:ellipsis;font-size:13px}
  .topbar .breadcrumb .link{font-size:13px}
  .btn{font-weight:650}
  .heading h1,.section-head h2,.period-label strong{font-weight:680}
}
@media(max-width:390px){
  .content{padding-inline:11px}
  .topbar{padding-inline:9px}
  .top-actions .avatar{width:38px;height:38px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .concept-diagram{padding:14px}
}

.registration-card{width:min(760px,calc(100% - 24px));max-width:760px;margin:22px auto}
.registration-card .registration-pair{display:grid;grid-template-columns:1fr 1.5fr;gap:12px}
.registration-card .quiz-questions,#profile-preferences-form .quiz-questions{display:grid;gap:18px;max-height:min(63dvh,700px);overflow:auto;padding:4px 6px 4px 2px}
.registration-card .preference-question,#profile-preferences-form .preference-question{min-width:0;margin:0;padding:14px;border:1px solid var(--edge);border-radius:15px}
.registration-card .preference-question legend,#profile-preferences-form .preference-question legend{padding:0 5px;color:var(--text);font-size:16px;font-weight:680;line-height:1.35}
.registration-card .preference-question small,#profile-preferences-form .preference-question small{display:block;margin:2px 0 12px;color:var(--quiet);font-size:13px}
.registration-card .preference-options,#profile-preferences-form .preference-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.registration-card .preference-options label,#profile-preferences-form .preference-options label{display:flex;align-items:flex-start;gap:10px;min-height:46px;margin:0;padding:10px;border:1px solid var(--edge);border-radius:11px;background:var(--field);color:var(--text);font-size:14px;line-height:1.4;cursor:pointer}
.registration-card .preference-options label:has(input:checked),#profile-preferences-form .preference-options label:has(input:checked){border-color:var(--accent);background:var(--accent-soft);color:var(--accent-ink)}
.registration-card .preference-options input,#profile-preferences-form .preference-options input{flex:none;width:18px;height:18px;margin:1px 0 0;accent-color:var(--accent)}
.registration-card .preference-options span,#profile-preferences-form .preference-options span{min-width:0}
@media(max-width:600px){.auth-shell:has(.registration-card){min-height:100dvh;align-items:start;padding:12px;padding-bottom:max(20px,env(safe-area-inset-bottom))}.registration-card{width:100%;min-width:0;margin:0 auto;padding:18px}.registration-card .form>button{width:100%;min-height:44px;white-space:normal}.registration-card label,.registration-card .form{min-width:0}.registration-card input{width:100%;min-width:0;scroll-margin-block:20px}.registration-card .preference-options span{overflow-wrap:anywhere}.registration-card .preference-options,#profile-preferences-form .preference-options,.registration-card .registration-pair{grid-template-columns:minmax(0,1fr)}.registration-card .quiz-questions,#profile-preferences-form .quiz-questions{max-height:none;overflow:visible}.registration-card .actions .btn{flex:1 1 100%}}
.admin-preference{display:grid;gap:3px;padding:11px 0;border-bottom:1px solid var(--edge);font-size:14px;line-height:1.5;color:var(--text)}
.admin-preference:last-child{border-bottom:0}
.admin-preference span{color:var(--quiet)}
.folder-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,310px),1fr));gap:16px;margin-bottom:20px}
.folder-tile{padding:0!important;overflow:hidden;border:1px solid var(--edge);background:var(--panel)}
.folder-cover{height:148px;display:grid;place-items:center;background:var(--folder-color);overflow:hidden}
.folder-cover img,.folder-cover-preview img{width:100%;height:100%;object-fit:cover}
.folder-cover span,.folder-cover-preview span{font-size:64px;filter:drop-shadow(0 6px 10px #0003)}
.folder-tile-body{padding:16px}
.folder-tile h3{margin:0 0 4px;overflow-wrap:anywhere;font-size:18px}
.folder-tile .section-head{align-items:flex-start;gap:10px}
.folder-tile .actions{gap:6px}
.folder-tile .actions .btn{padding:8px 10px;font-size:13px}
.folder-editor{max-width:760px}
.folder-editor>summary{cursor:pointer;font-size:17px;font-weight:680;color:var(--text)}
.folder-editor .form{margin-top:18px}
.folder-personalize{display:grid;grid-template-columns:minmax(130px,170px) minmax(0,1fr);gap:14px;align-items:end}
.folder-personalize input[type=color]{width:70px;height:48px;padding:3px;border:1px solid var(--edge);border-radius:12px;background:var(--field);cursor:pointer}
.folder-cover-preview{width:min(100%,360px);height:160px;display:grid;place-items:center;margin:12px 0;border-radius:14px;background:var(--folder-color);overflow:hidden}
@media(max-width:600px){.folder-personalize{grid-template-columns:minmax(0,1fr)}.folder-cover{height:130px}.folder-tile .section-head{flex-wrap:wrap}.folder-tile .actions{width:100%}}
.activity-feedback{padding:12px 14px;margin:12px 0 0;border-radius:12px;line-height:1.55;font-size:14px}
.activity-feedback.correct{background:#e5f6ed;color:#185b38}
.activity-feedback.incorrect{background:#fff2df;color:#704615}
:root[data-theme="dark"] .activity-feedback.correct{background:#163c2c;color:#c3f2d9}
:root[data-theme="dark"] .activity-feedback.incorrect{background:#49331d;color:#ffe1b3}
.professor-panel{max-width:960px}.professor-panel .two-col{margin:18px 0}.professor-panel label{display:block;font-size:14px;font-weight:600}.professor-panel select{width:100%;margin-top:7px}.professor-prompts{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0}.professor-conversation{display:flex;flex-direction:column;gap:12px;min-height:170px;max-height:520px;overflow:auto;padding:18px;border-radius:16px;background:var(--accent-soft)}.professor-message{max-width:85%;padding:14px 16px;border-radius:15px;background:var(--panel);color:var(--text);line-height:1.6;overflow-wrap:anywhere}.professor-message.student{align-self:flex-end;background:var(--accent-ink);color:#fff}.professor-message p{margin:6px 0 0}.professor-answer{margin-top:8px}.professor-answer p{margin:0 0 12px}.professor-answer h4{font-size:1rem;line-height:1.4;margin:18px 0 8px}.professor-answer ul,.professor-answer ol{padding-left:24px;margin:8px 0 14px}.professor-answer li{margin:6px 0}.professor-answer hr{border:0;border-top:1px solid var(--edge);margin:18px 0}.professor-answer code{font-size:.94em;overflow-wrap:anywhere}.professor-form{margin:20px 0}.professor-form>div{display:flex;gap:10px;margin-top:8px}.professor-form input{flex:1;min-width:0}@media(max-width:700px){.professor-message{max-width:100%}.professor-form>div{flex-direction:column}.professor-form button{width:100%}}
/* Conversa do Professor IA */
.professor-chat{display:flex;flex-direction:column;max-width:980px;min-height:min(740px,calc(100dvh - 210px));border:1px solid var(--edge);border-radius:20px;overflow:hidden;background:var(--panel);box-shadow:0 12px 36px #142c2c0c}.professor-chat-head{display:flex;align-items:center;gap:12px;padding:15px 20px;background:var(--accent-soft);color:var(--text)}.professor-chat-head strong,.professor-chat-head small{display:block}.professor-chat-head small{color:var(--quiet);font-size:13px}.professor-avatar{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--accent);color:white;font-size:26px}.professor-context{padding:10px 20px;border-bottom:1px solid var(--edge);font-size:14px}.professor-context summary{cursor:pointer;color:var(--text)}.professor-context .two-col{margin:14px 0}.professor-context label{font-weight:550}.professor-context select{display:block;width:100%;margin-top:5px}.professor-chat .professor-conversation{flex:1;min-height:260px;max-height:none;overflow-y:auto;border-radius:0;background:var(--subtle);padding:24px;gap:14px}.professor-welcome{align-self:center;text-align:center;margin:auto;color:var(--text)}.professor-welcome span{font-size:38px;color:var(--accent)}.professor-welcome p{font-size:19px;margin:8px}.professor-welcome small{color:var(--quiet)}.professor-chat .professor-message{border:1px solid var(--edge);box-shadow:0 3px 12px #102a2b08}.professor-chat .professor-message.student{background:var(--accent);border-color:var(--accent);color:#fff}.professor-files{display:grid;gap:3px;margin-top:6px;overflow-wrap:anywhere}.professor-typing{color:var(--quiet);font-style:italic}.professor-chat .professor-prompts{margin:0;padding:10px 16px;gap:7px;border-top:1px solid var(--edge)}.professor-chat .professor-prompts .btn{font-size:13px;min-height:36px;padding:6px 11px}.professor-chat .professor-form{margin:0;padding:10px 16px 14px;border-top:1px solid var(--edge)}.professor-compose{display:flex!important;align-items:end;gap:10px!important;margin:0!important}.professor-compose textarea{resize:vertical;min-height:44px;max-height:130px;flex:1;min-width:0;padding:11px 14px;border:1px solid var(--edge);border-radius:18px;background:var(--field);color:var(--text);line-height:1.4}.professor-compose>.btn{border-radius:50%;width:44px;height:44px;padding:0;flex:none}.professor-upload{display:grid!important;place-items:center;width:44px;height:44px;flex:none;border:1px solid var(--edge);border-radius:50%;font-size:27px!important;cursor:pointer;color:var(--text);background:var(--panel);font-weight:400!important}.professor-upload input{position:absolute;width:1px;height:1px;opacity:0}.professor-upload:focus-within{outline:3px solid var(--accent);outline-offset:2px}.professor-attachments{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:8px}.professor-attachments:empty{display:none}.professor-attachments span{display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border-radius:15px;background:var(--accent-soft);color:var(--text);font-size:13px;overflow-wrap:anywhere}.professor-attachments button{border:0;background:none;color:inherit;font-size:20px;cursor:pointer}.professor-hint{font-size:12px;color:var(--quiet);line-height:1.45;margin:8px 2px 0}@media(max-width:700px){.professor-chat{min-height:calc(100dvh - 225px);border-radius:15px}.professor-chat .professor-conversation{padding:15px}.professor-compose{flex-direction:row!important}.professor-compose>.btn{width:44px}.professor-message{max-width:89%}}
.professor-pack-actions{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.study-pack-preview{border:1px solid var(--edge);border-radius:12px;padding:12px;background:var(--subtle);color:var(--text);line-height:1.5;max-height:260px;overflow:auto}.study-pack-preview summary{cursor:pointer;font-weight:650}.study-pack-preview p{white-space:pre-line}.study-exercise{border:1px solid var(--edge);padding:16px;border-radius:12px;background:var(--panel)}.study-exercise h3{font-size:16px;font-weight:620;margin:0 0 10px}.study-exercise textarea{width:100%;margin-bottom:10px}.study-exercise summary{cursor:pointer;color:var(--accent-ink)}.study-exercise p{line-height:1.6}
.professor-workflow{display:grid;gap:14px;margin-top:16px}.professor-workflow .card{padding:18px}.professor-workflow h3{margin:0 0 8px;font-size:17px}.professor-workflow p{margin:0 0 12px;line-height:1.55}.professor-workflow textarea{width:100%;min-height:110px;border:1px solid #b9d1c9;border-radius:12px;padding:12px;background:var(--surface,#fff);color:var(--text,#173334);resize:vertical}.professor-workflow .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.professor-workflow .hint{font-size:14px;line-height:1.5}.professor-workflow .hint strong{font-weight:650}
/* Shared back control: clear hit area, theme-aware surface, and gentle feedback. */
button.back-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 15px;border:1px solid var(--edge);border-radius:13px;background:var(--panel);color:var(--text);font:500 13px/1.2 'DM Sans',sans-serif;box-shadow:0 2px 5px #102a2b08;white-space:nowrap;flex-shrink:0;cursor:pointer;transition:background .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease}
button.back-button .back-button-icon{width:19px;height:19px;flex:none;color:var(--accent-ink);transition:transform .18s ease}
button.back-button:hover{background:var(--accent-soft);border-color:var(--accent);box-shadow:0 3px 10px #102a2b12;transform:none}
button.back-button:hover .back-button-icon{transform:translateX(-2px)}
button.back-button:active{transform:scale(.97);box-shadow:none}
button.back-button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.breadcrumb .back-button{margin-right:14px;vertical-align:middle}
@media(max-width:600px){button.back-button{min-height:44px;padding:10px 12px;border-radius:12px;font-size:13px}.breadcrumb .back-button{margin-right:8px}.back-button-icon{width:18px;height:18px}}
@media(prefers-reduced-motion:reduce){button.back-button,button.back-button .back-button-icon{transition:none}button.back-button:hover .back-button-icon,button.back-button:active{transform:none}}

.folder-emoji-options{display:flex;flex-wrap:wrap;gap:8px}.folder-emoji-options .btn{min-width:44px;min-height:44px;padding:8px;font-size:24px;line-height:1.2}

.folder-emoji-library{border:1px solid var(--edge);border-radius:14px;padding:8px 14px;max-height:360px;overflow-y:auto}.folder-emoji-category{padding:8px 0}.folder-emoji-category summary{cursor:pointer;padding:8px 0;font-size:14px;min-height:40px}.folder-emoji-category .folder-emoji-options{padding:8px 0 12px}@media(max-width:600px){.folder-emoji-library{max-height:320px}}
.photo-adjuster{position:fixed;inset:0;z-index:10000;background:#0009;display:flex;align-items:center;justify-content:center;padding:16px}.photo-adjust-panel{width:min(560px,100%);max-height:calc(100dvh - 32px);overflow:auto;background:var(--panel,#fff);color:var(--text,#173e3a);border-radius:20px;padding:22px;box-shadow:0 20px 60px #0004}.photo-adjust-panel h2{margin:0 0 8px;font-size:22px}.photo-adjust-panel p{font-size:14px;line-height:1.5}.photo-adjust-frame{display:flex;justify-content:center;margin:14px 0;max-height:300px;overflow:hidden}.photo-adjust-frame canvas{display:block;max-width:100%;max-height:300px;width:auto;height:auto;object-fit:contain}.photo-adjust-frame.is-avatar canvas{border-radius:50%;max-width:240px;max-height:240px}.photo-adjust-panel label{display:grid;gap:6px;margin:12px 0;font-size:14px}.photo-adjust-panel input[type=range]{width:100%;accent-color:var(--accent);min-height:30px}.photo-adjust-panel select{background:var(--field,#fff);color:var(--text);padding:10px;border:1px solid var(--edge);border-radius:10px}.photo-adjust-panel .actions{justify-content:flex-end;gap:10px;display:flex;margin-top:18px}@media(max-width:600px){.photo-adjust-panel{padding:16px}.photo-adjust-frame,.photo-adjust-frame canvas{max-height:240px}}

.folder-cover,.folder-cover-preview{height:auto;aspect-ratio:2.25;min-height:0}.photo-adjust-frame{background:#dfe5e9;padding:12px;border:2px solid var(--accent,#247a75)}.photo-adjust-frame canvas{box-shadow:0 0 0 1px #84929b}.photo-crop-note{font-size:13px;line-height:1.5}

.activity-generator-options{display:grid;grid-template-columns:1fr 1fr;gap:14px}.activity-generator form{display:grid;gap:14px}.activity-generator label{display:grid;gap:6px}.generated-activity{margin-top:24px}.generated-activity .quiz-question{margin:16px 0;min-width:0}.generated-activity .quiz-question label{display:flex;align-items:flex-start;gap:8px;padding:10px;overflow-wrap:anywhere}.generated-activity input[type=radio]{flex-shrink:0;accent-color:var(--accent)}@media(max-width:600px){.activity-generator-options{grid-template-columns:1fr}.activity-generator{padding:16px}}

.summary-library{margin-top:28px}.summary-library-list article{display:flex;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--border,#dce6e1)}.summary-library-list article>div{flex:1;min-width:0}.summary-library-list h3{font-size:1.1rem;font-weight:600;margin:0 0 8px;overflow-wrap:anywhere}.summary-library-list p{margin:0;line-height:1.6}.summary-list-number{font-size:1.3rem;color:var(--accent);font-weight:500}.summary-reader-toolbar,.summary-reader-navigation{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:16px 0 24px}.summary-reader-document{max-width:800px;margin:0 auto;padding:40px 42px;background:var(--surface,#fff);border:1px solid var(--border,#dce6e1);border-radius:16px}.summary-reader-subject{font-size:1rem;color:var(--accent);margin:0 0 12px}.summary-reader-document h1{font-size:1.9rem;line-height:1.35;font-weight:600;overflow-wrap:anywhere;margin:0 0 28px}.summary-reader-body{font-size:1.125rem;line-height:1.85}.summary-reader-body p{margin:0 0 22px}.summary-reader-body h2,.summary-reader-body h3{font-size:1.3rem;line-height:1.5;font-weight:600;margin:28px 0 14px}.summary-reader-footer{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.summary-reader-navigation{max-width:800px;margin:24px auto}.summary-reader-document+.summary-reader-navigation+.study-source-editor{max-width:800px;margin:16px auto}@media(max-width:600px){.summary-reader-document{padding:24px 18px}.summary-reader-document h1{font-size:1.5rem}.summary-reader-body{font-size:1rem;line-height:1.8}.summary-library-list article{flex-wrap:wrap;gap:12px}.summary-library-list article>div{flex-basis:75%}.summary-library-list article>button{margin-left:34px}}

.activity-tabs{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;align-items:center}.activity-tab{display:flex;gap:4px;max-width:100%}.activity-tab button:first-child{overflow-wrap:anywhere;white-space:normal}.activity-study{margin-bottom:24px}.activity-study .summary-reader-body{max-width:780px;margin:24px auto}.activity-study>button{margin-top:18px}@media(max-width:600px){.activity-tab{width:100%;min-width:0}.activity-tab button:first-child{flex:1;min-width:0}.activity-tabs>.btn{width:100%}}

.tree-map-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.tree-map-toolbar h3{font-size:1.25rem;font-weight:600}.tree-map-toolbar output{min-width:52px;text-align:center}.tree-map-viewport{position:relative;height:540px;overflow:hidden;border:1px solid var(--edge,#cbded0);border-radius:18px;background:var(--panel,#fff);touch-action:none;cursor:grab;overscroll-behavior:contain}.tree-map-viewport:active{cursor:grabbing}.tree-map-canvas{position:absolute;transform-origin:0 0;will-change:transform}.tree-map-lines{position:absolute;left:0;top:0;pointer-events:none;overflow:visible}.tree-map-lines path{fill:none;stroke-width:3;opacity:.65}.tree-map-node{position:absolute;display:flex;align-items:center;gap:10px;border:2px solid var(--branch-color);border-left-width:7px;border-radius:14px;padding:12px 15px;background:var(--panel,#fff);color:var(--text,#253646);font-family:inherit;font-size:16px;line-height:1.35;text-align:left;font-weight:500;cursor:pointer;box-shadow:0 3px 10px #0001}.tree-map-node>span:last-child{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.tree-map-node>span:first-child{color:var(--branch-color);font-size:24px;flex-shrink:0}.tree-map-node.is-root{background:var(--accent,#247a75);color:white;border-color:var(--accent,#247a75);font-size:19px}.tree-map-node.is-root>span:first-child{color:white}.tree-map-node[aria-pressed=true],.tree-map-node:focus-visible{outline:3px solid var(--accent,#247a75);outline-offset:4px}.tree-map-detail{padding:22px 0;max-width:850px;line-height:1.8;overflow-wrap:anywhere}.tree-map-detail h3{font-weight:600;font-size:1.3rem}.tree-map-example{border-left:4px solid var(--accent,#247a75);padding:12px 18px;margin:16px 0;background:var(--accent-soft,#eef7f4)}@media(max-width:600px){.tree-map-viewport{height:420px}.tree-map-toolbar .actions{gap:6px}.tree-map-toolbar .btn{padding:9px 12px}.tree-map-detail{font-size:1rem}}

/* An independent writing panel remains open while study sections change. */
.floating-notebook{position:fixed;right:22px;bottom:24px;z-index:1500;color:var(--text);font-weight:400}.fn-launch{border:1px solid var(--edge);border-radius:24px;padding:13px 21px;background:var(--panel);color:var(--text);box-shadow:0 5px 22px #0002;cursor:pointer}.floating-notebook.fn-open{width:440px;height:570px;max-width:calc(100vw - 24px);max-height:calc(100dvh - 30px);min-width:300px;min-height:260px;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--edge);border-radius:18px;box-shadow:0 12px 48px #0004;overflow:hidden;resize:both}.fn-drag{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:move;touch-action:none;border-bottom:1px solid var(--edge)}.fn-drag strong{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600}.floating-notebook button,.floating-notebook select,.floating-notebook input{color:var(--text);background:var(--panel);border:1px solid var(--edge);border-radius:7px;padding:5px 7px;font-size:13px;min-width:0}.floating-notebook button{cursor:pointer}.fn-pages,.fn-toolbar{display:flex;gap:5px;padding:8px 12px;flex-wrap:wrap}.fn-pages select{flex:1}.floating-notebook .fn-title{margin:0 12px;font-size:16px;border:0;border-bottom:1px solid var(--edge);border-radius:0}.fn-toolbar{border-bottom:1px solid var(--edge)}.fn-toolbar input[type=color]{width:32px;height:29px;padding:2px}.fn-editor{flex:1;min-height:80px;overflow:auto;padding:12px 20px;line-height:30px;outline:none;background-color:var(--panel);overflow-wrap:anywhere}.fn-editor[data-template=lined]{background-image:repeating-linear-gradient(to bottom,transparent 0,transparent 29px,var(--edge) 29px,var(--edge) 30px);background-position:0 12px}.fn-editor[data-template=grid]{background-image:linear-gradient(var(--edge) 1px,transparent 1px),linear-gradient(90deg,var(--edge) 1px,transparent 1px);background-size:24px 24px}.fn-editor p,.fn-editor div{margin:0}.floating-notebook footer{font-size:11px;padding:7px 14px;border-top:1px solid var(--edge);opacity:.75;display:flex;justify-content:space-between}@media(max-width:650px){.floating-notebook{right:12px;bottom:85px}.floating-notebook.fn-open{left:6px!important;right:6px!important;top:auto!important;bottom:75px!important;width:calc(100vw - 12px);max-width:none;height:55dvh;max-height:calc(100dvh - 95px);min-width:0;resize:none}.fn-drag{cursor:ns-resize}.floating-notebook footer span{font-size:0}.floating-notebook footer span:after{content:'Arraste o topo para ajustar';font-size:11px}}
.fn-dimensions{display:flex;gap:12px;padding:7px 12px;border-bottom:1px solid var(--edge)}.fn-dimensions label{display:flex;align-items:center;gap:5px;font-size:12px;flex:1;min-width:0}.fn-dimensions input{width:100%;min-width:40px;accent-color:var(--accent)}.floating-notebook[data-mode=compact] .fn-toolbar{max-height:75px;overflow:auto}.floating-notebook.fn-open[data-mode=full]{resize:none;max-width:calc(100vw - 12px)}.fn-library{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-top:18px}.fn-library button{text-align:left;color:var(--text);cursor:pointer}.fn-library span{display:block;margin-top:8px;font-size:13px;opacity:.7}@media(max-width:650px){.floating-notebook.fn-open{left:auto!important;right:6px!important;max-width:calc(100vw - 12px);min-width:240px}.floating-notebook.fn-open[data-mode=full]{bottom:75px!important;top:auto!important}.fn-dimensions{gap:7px}.fn-drag{padding:8px 10px}.fn-drag button{min-width:30px}}
.fn-size-menu{border-bottom:1px solid var(--edge);padding:8px 12px;font-size:13px}.fn-size-menu summary{cursor:pointer}.fn-size-options{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.fn-size-menu p{font-size:12px;margin:7px 0}.fn-document{display:flex;gap:8px;padding:8px 12px}.fn-document .fn-name{flex:1;font-size:16px}.fn-layout{padding:0 12px 8px;font-size:13px}.fn-layout label{display:flex;align-items:center;gap:10px}.fn-paper-scroll{flex:1;min-height:90px;overflow:auto;background:color-mix(in srgb,var(--text) 7%,var(--panel));padding:14px}.fn-paper-scroll .fn-editor{flex:none;max-width:680px;margin:0 auto;border:1px solid var(--edge);box-shadow:0 3px 12px #0001;min-height:900px;height:900px;padding:24px;overflow:hidden;background-position:0 24px}.fn-editor[data-flow=infinite]{height:auto;min-height:100%;overflow:visible;box-shadow:none}.floating-notebook .fn-toolbar{flex-shrink:0;max-height:120px;overflow:auto}.floating-notebook.fn-open{min-height:350px}.floating-notebook footer{flex-shrink:0}.fn-paper-scroll .fn-editor ul,.fn-paper-scroll .fn-editor ol{margin:0}.floating-notebook.fn-open[data-mode=compact] .fn-toolbar{max-height:65px}@media(max-width:650px){.fn-paper-scroll{padding:8px}.fn-paper-scroll .fn-editor{padding:16px;background-position:0 16px}.fn-document .fn-name{font-size:14px}.floating-notebook footer span{font-size:11px}.floating-notebook footer span:after{content:none}.fn-size-menu p{display:none}}
.shared-photo-panel{max-width:600px;display:flex;gap:20px;align-items:center;margin-bottom:18px}.shared-photo-preview{width:96px;height:96px;border-radius:50%;overflow:hidden;flex-shrink:0;display:grid;place-items:center;background:var(--panel);border:2px solid var(--edge);font-size:32px}.shared-photo-preview img{width:100%;height:100%;object-fit:cover}.shared-photo-panel h2{font-size:18px;margin:0 0 8px;font-weight:600}.shared-photo-panel p{font-size:14px;line-height:1.5;margin:8px 0;opacity:.8}.shared-photo-panel input[type=file]{position:absolute;width:1px;height:1px;opacity:0}@media(max-width:520px){.shared-photo-panel{align-items:flex-start;gap:12px}.shared-photo-preview{width:72px;height:72px}.shared-photo-panel .actions{flex-wrap:wrap}}
.top-actions .avatar[data-own-profile-photo]{padding:0;overflow:hidden;flex-shrink:0;display:grid;place-items:center}.top-actions .avatar img{width:100%;height:100%;object-fit:cover;display:block;border-radius:50%}.top-actions .avatar>span{line-height:1}
.announcement-overlay{position:fixed;inset:0;z-index:5000;background:#0007;display:grid;place-items:center;padding:18px;backdrop-filter:blur(4px)}.announcement-dialog{width:min(100%,560px);max-height:85dvh;overflow:auto;background:var(--panel);color:var(--text);border:1px solid var(--edge);border-radius:20px;padding:28px;box-shadow:0 15px 60px #0004}.announcement-dialog h2{font-size:22px;font-weight:600;margin:0 0 16px}.announcement-dialog p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:16px;line-height:1.65}.announcement-dialog button{min-width:100px;margin-top:12px}.announcement-dialog small{display:block;margin-top:10px}.trial-badge{display:inline-block;margin:6px 0 6px 6px;font-weight:500}#announcement-form{max-width:700px}
.notice-image{display:block;width:100%;max-width:650px;max-height:50dvh;object-fit:contain;border-radius:12px;margin:14px auto;background:color-mix(in srgb,var(--text) 4%,var(--panel))}.announcement-dialog .notice-image{max-height:45dvh}#announcement-image-preview .notice-image{max-height:260px}#announcement-image-preview:empty{display:none}