:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-soft:#eff6ff;--background:#f5f7fb;--surface:#fff;--text:#182230;--muted:#667085;--border:#e4e7ec;--success:#16803c;--success-soft:#ecfdf3;--warning:#b54708;--warning-soft:#fffaeb;--danger:#d92d20;--danger-soft:#fef3f2;--shadow:0 1px 3px rgba(16,24,40,.05),0 1px 2px rgba(16,24,40,.03);--shadow-lg:0 12px 30px rgba(16,24,40,.12);--radius:14px;--sidebar-width:248px}
:root[data-theme="dark"]{color-scheme:dark;--primary:#6ea8fe;--primary-dark:#8fbdff;--primary-soft:#172b4d;--background:#0d1117;--surface:#161b22;--text:#f0f3f6;--muted:#9da7b3;--border:#30363d;--success:#56d37b;--success-soft:#123322;--warning:#f5b84b;--warning-soft:#3b2b0e;--danger:#ff7b72;--danger-soft:#3c1e20;--shadow:0 1px 3px rgba(0,0,0,.3);--shadow-lg:0 14px 34px rgba(0,0,0,.5)}
html{font-size:15px;min-height:100%}body{min-height:100vh;margin:0;background:var(--background);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-dark)}h1,h2,h3,h4,h5,h6{color:var(--text);font-weight:700;letter-spacing:-.02em}.app-shell{min-height:100vh}.app-sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-width);background:var(--surface);border-right:1px solid var(--border);z-index:1035}.sidebar-content{display:flex;flex-direction:column;height:100%;padding:24px 16px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:1.08rem;font-weight:750;letter-spacing:-.03em}.brand:hover{color:var(--text)}.brand-mark{display:grid;width:34px;height:34px;place-items:center;border-radius:10px;background:var(--primary);color:#fff;font-weight:800;box-shadow:0 5px 12px rgba(37,99,235,.2)}.sidebar-brand{padding:0 10px 30px}.sidebar-nav{display:flex;flex-direction:column;gap:5px}.nav-caption{padding:0 12px 8px;color:#98a2b3;font-size:.7rem;font-weight:700;letter-spacing:.09em}.sidebar-link{display:flex;align-items:center;gap:12px;min-height:46px;padding:10px 12px;border-radius:10px;color:#475467;font-weight:600;transition:.18s}.sidebar-link svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.sidebar-link:hover{background:#f8fafc;color:var(--text)}.sidebar-link.active{background:var(--primary-soft);color:var(--primary)}.sidebar-link-ai{margin-top:10px}.sidebar-tip{margin-top:auto;display:grid;gap:5px;padding:15px;border-radius:12px;background:#f8fafc}.sidebar-tip small{color:var(--muted);line-height:1.45}.tip-icon{color:var(--primary);font-size:1.15rem}.app-main{min-height:100vh;margin-left:var(--sidebar-width);display:flex;flex-direction:column}.app-content{width:100%;max-width:1440px;margin:0 auto;padding:38px 42px 52px;flex:1}.app-footer{padding:18px 42px 24px;color:#98a2b3;font-size:.82rem;text-align:center}.mobile-header{display:none}
.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:28px}.page-title{margin:0 0 7px;font-size:clamp(1.65rem,3vw,2.1rem)}.page-subtitle{margin:0;color:var(--muted);font-size:1rem}.section-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.section-title{margin:0;font-size:1.12rem}.eyebrow{color:var(--primary);font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.surface,.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header,.card-footer{background:transparent;border-color:var(--border)}.empty-state{padding:32px;border:1px dashed #d0d5dd;border-radius:var(--radius);background:rgba(255,255,255,.55);color:var(--muted);text-align:center}
.btn{min-height:40px;padding:.55rem .9rem;border-radius:9px;font-weight:650;transition:.15s}.btn:hover{transform:translateY(-1px)}.btn-sm{min-height:34px;padding:.38rem .7rem;border-radius:8px}.btn-primary,.btn-info{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover,.btn-info:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff}.btn-secondary{background:#fff;border-color:#d0d5dd;color:#344054}.btn-secondary:hover{background:#f9fafb;border-color:#98a2b3;color:var(--text)}.btn-success{background:var(--success);border-color:var(--success)}.btn-danger{background:var(--danger);border-color:var(--danger)}.btn-outline-primary{color:var(--primary);border-color:#b2ccff}.btn-outline-primary:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-dark)}.btn-outline-secondary{color:#475467;border-color:#d0d5dd}.btn-outline-secondary:hover{background:#f9fafb;border-color:#98a2b3;color:var(--text)}.btn-outline-success{color:var(--success);border-color:#a6f4c5}.btn-outline-success:hover{background:var(--success-soft);color:var(--success);border-color:var(--success)}.btn-outline-danger{color:var(--danger);border-color:#fecdca}.btn-outline-danger:hover{background:var(--danger-soft);color:var(--danger);border-color:var(--danger)}
.form-shell{max-width:780px;padding:28px}.form-label{color:#344054;font-size:.9rem;font-weight:650}.form-control,.form-select{min-height:44px;border-color:#d0d5dd;border-radius:9px;color:var(--text);box-shadow:0 1px 2px rgba(16,24,40,.03)}textarea.form-control{min-height:auto}.form-control:focus,.form-select:focus,.form-check-input:focus,.btn:focus-visible,a:focus-visible{border-color:#84adff;box-shadow:0 0 0 4px rgba(37,99,235,.14);outline:none}.form-check-input:checked{background-color:var(--primary);border-color:var(--primary)}.form-text,.text-muted{color:var(--muted)!important}
.app-content>h1{margin-bottom:8px;font-size:clamp(1.65rem,3vw,2.1rem)}.app-content>.row>div>form{max-width:780px;padding:28px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.app-content>dl,.app-content>h3+dl{padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.app-content dt{color:var(--muted);font-size:.84rem}.app-content dd{color:var(--text)}.alert{border-radius:10px}.progress-bar{background-color:var(--primary)}
.metric-card{display:flex;align-items:center;gap:16px;height:100%;padding:20px}.metric-icon{display:grid;flex:0 0 48px;width:48px;height:48px;place-items:center;border-radius:12px;font-size:1.25rem}.metric-card small{display:block;color:var(--muted);font-weight:600}.metric-value{margin-top:2px;font-size:1.8rem;font-weight:750;line-height:1}.metric-blue .metric-icon{background:var(--primary-soft);color:var(--primary)}.metric-violet .metric-icon{background:#f4f3ff;color:#6938ef}.metric-green .metric-icon{background:var(--success-soft);color:var(--success)}.metric-orange .metric-icon{background:var(--warning-soft);color:var(--warning)}
.study-card{display:flex;flex-direction:column;height:100%;padding:21px}.study-card h3{margin-bottom:7px;font-size:1.02rem}.study-meta{color:var(--muted);font-size:.87rem}.study-card .progress{height:7px;margin:19px 0 8px;background:#eef2f6;border-radius:99px}.study-card .progress-bar{background:var(--primary);border-radius:99px}.progress-caption{display:flex;justify-content:space-between;color:var(--muted);font-size:.78rem}.study-card .btn{margin-top:18px}.status-badge{display:inline-flex;align-items:center;gap:5px;padding:.3rem .58rem;border-radius:99px;font-size:.73rem;font-weight:700}.status-success{background:var(--success-soft);color:var(--success)}.status-warning{background:var(--warning-soft);color:var(--warning)}.status-danger{background:var(--danger-soft);color:var(--danger)}
.task-list{overflow:hidden}.task-row{display:flex;align-items:center;gap:14px;padding:16px 18px;border-bottom:1px solid var(--border);color:inherit}.task-row:last-child{border-bottom:0}.task-row:hover{background:#fafbfc;color:inherit}.task-row.overdue{border-left:3px solid var(--danger)}.task-check{display:grid;flex:0 0 36px;width:36px;height:36px;place-items:center;border-radius:10px;background:var(--primary-soft);color:var(--primary)}.task-info{min-width:0;flex:1}.task-info strong,.content-card strong{display:block;color:var(--text)}.task-info small,.content-card small{color:var(--muted)}.task-date{color:var(--muted);font-size:.82rem;text-align:right}.content-card{height:100%;padding:18px}.content-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:18px}
.table-shell{overflow:hidden}.table{margin:0;--bs-table-bg:transparent}.table>:not(caption)>*>*{padding:15px 18px;border-color:var(--border);vertical-align:middle}.table thead th{background:#f9fafb;color:var(--muted);font-size:.76rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase}.table-danger{--bs-table-bg:var(--danger-soft)}.action-group{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:6px}.dropdown-menu{border-color:var(--border);border-radius:10px;box-shadow:var(--shadow-lg)}.dropdown-item{padding:.55rem .85rem}
.task-board{display:grid;gap:12px}.task-card{display:flex;align-items:center;gap:16px;padding:18px}.task-card.overdue{border-left:3px solid var(--danger)}.task-card-icon{display:grid;flex:0 0 42px;width:42px;height:42px;place-items:center;border-radius:12px;background:var(--primary-soft);color:var(--primary);font-size:1.1rem;font-weight:800}.task-card-body{min-width:0;flex:1}.task-card-title{display:flex;align-items:center;gap:10px;margin-bottom:4px}.task-card-title h2{margin:0;font-size:1rem}.task-card-body p,.task-card-body time{margin:0;color:var(--muted);font-size:.84rem}.task-card-body time{display:block;margin-top:3px}.form-page{max-width:820px}.form-page-header{margin-bottom:24px}.form-page-header h1{margin-bottom:7px}.form-card{padding:clamp(22px,4vw,32px)}.form-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}.danger-panel{max-width:760px;padding:clamp(24px,4vw,34px);border-top:3px solid var(--danger)}.danger-icon{display:grid;width:48px;height:48px;place-items:center;margin-bottom:18px;border-radius:50%;background:var(--danger-soft);color:var(--danger);font-size:1.25rem;font-weight:800}.danger-panel h1{font-size:1.6rem}.danger-panel .lead{color:var(--muted);font-size:1rem}.detail-list{display:grid;grid-template-columns:minmax(130px,.35fr) 1fr;gap:0;margin:24px 0}.detail-list dt,.detail-list dd{margin:0;padding:13px 0;border-bottom:1px solid var(--border)}.detail-list dt{color:var(--muted);font-size:.84rem}.detail-list dd{white-space:pre-wrap}.upload-zone{padding:16px;border:1px dashed #b8c2d0;border-radius:10px;background:#fafcff}.image-manage-card{overflow:hidden}.image-manage-card img{width:100%;height:150px;object-fit:cover}.image-manage-body{padding:12px}.validation-summary-valid{display:none}.field-validation-error{display:block;margin-top:5px;font-size:.8rem}
.detail-hero{padding:26px;margin-bottom:22px}.detail-hero h1{margin:4px 0 8px}.detail-description{max-width:760px;color:var(--muted);white-space:pre-wrap}.detail-stats{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px}.detail-stat strong{display:block;font-size:1.15rem}.detail-stat small{color:var(--muted)}.reading-page{max-width:920px;margin:0 auto;padding:clamp(24px,5vw,54px)}.reading-page .conteudo-texto{color:#293547;font-size:1.06rem;line-height:1.85;white-space:pre-wrap}.reading-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--border);color:var(--muted);font-size:.85rem}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}.gallery-item{display:block;overflow:hidden;border-radius:12px;background:#eef2f6;aspect-ratio:4/3}.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .2s}.gallery-item:hover img{transform:scale(1.025)}.note-card{border-left:3px solid #84adff}
.menu-selecao{position:absolute;z-index:1080;white-space:nowrap;padding:5px;border:1px solid var(--border);border-radius:11px;background:var(--surface);box-shadow:var(--shadow-lg)!important}.menu-selecao .btn{min-height:34px;border:0;color:#344054}.menu-selecao .btn:hover{background:var(--primary-soft);color:var(--primary)}.painel-assistente{position:fixed;z-index:1070;top:24px;right:24px;width:min(430px,calc(100vw - 32px));max-height:calc(100vh - 48px);border:0;box-shadow:var(--shadow-lg)}.painel-assistente .card-header{padding:16px 18px}.painel-assistente .card-body{max-height:calc(100vh - 112px);padding:18px}.trecho-selecionado{padding:12px;border-left:3px solid var(--primary);border-radius:0 8px 8px 0;background:var(--primary-soft);color:var(--muted);font-size:.88rem;white-space:pre-wrap;max-height:8rem;overflow:auto}.resposta-assistente{line-height:1.65;overflow-wrap:anywhere}.resposta-assistente pre,.ai-answer pre{padding:14px;border-radius:10px;background:#182230;color:#f8fafc;overflow-x:auto}.resposta-assistente code{white-space:pre-wrap}.ai-shell{max-width:900px;margin:0 auto}.ai-context{display:flex;gap:12px;padding:14px 16px;margin-bottom:18px;background:var(--primary-soft);border:1px solid #d1e0ff;border-radius:12px}.ai-answer{padding:24px;line-height:1.7;white-space:pre-wrap}.chat-composer{position:sticky;bottom:16px;padding:16px;margin-top:20px;background:rgba(255,255,255,.96);backdrop-filter:blur(8px)}.mode-actions{display:flex;flex-wrap:wrap;gap:8px}
@media(max-width:991.98px){.mobile-header{position:sticky;top:0;z-index:1030;display:flex;align-items:center;justify-content:space-between;height:66px;padding:0 20px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--border);backdrop-filter:blur(10px)}.sidebar-toggle{display:grid;gap:4px;padding:8px;border:0;background:transparent}.sidebar-toggle span{width:23px;height:2px;border-radius:2px;background:#344054}.app-sidebar{position:fixed;width:min(290px,86vw)}.sidebar-brand{display:none}.sidebar-content{padding-top:10px}.app-main{margin-left:0}.app-content{padding:28px 24px 44px}}
@media(max-width:575.98px){html{font-size:14px}.app-content{padding:22px 16px 38px}.page-header,.section-header{align-items:stretch;flex-direction:column}.page-header .btn,.section-header .btn{align-self:flex-start}.task-row{align-items:flex-start;flex-wrap:wrap}.task-date{width:100%;padding-left:50px;text-align:left}.task-card{align-items:flex-start;flex-wrap:wrap}.task-card-body{width:calc(100% - 58px)}.task-card .action-group{width:100%;padding-left:58px;justify-content:flex-start}.detail-list{grid-template-columns:1fr}.detail-list dt{padding-bottom:3px;border:0}.detail-list dd{padding-top:0}.reading-page{padding:24px 20px}.menu-selecao{max-width:calc(100vw - 16px);overflow-x:auto}.painel-assistente{inset:auto 8px 8px;width:auto;max-height:calc(100vh - 16px)}.painel-assistente .card-body{max-height:calc(100vh - 80px)}.action-group{justify-content:flex-start}}

.theme-toggle{display:flex;align-items:center;gap:11px;width:100%;min-height:44px;margin-top:auto;padding:9px 11px;border:1px solid var(--border);border-radius:10px;background:transparent;color:var(--muted);font:inherit;font-weight:600;text-align:left;transition:.18s}.theme-toggle:hover{background:#f8fafc;color:var(--text)}.theme-toggle:focus-visible{outline:0;box-shadow:0 0 0 4px rgba(37,99,235,.14)}.theme-icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.theme-icon-sun{display:none}.theme-label{flex:1}.theme-switch{position:relative;width:34px;height:20px;border-radius:99px;background:#d0d5dd;transition:.2s}.theme-switch span{position:absolute;top:3px;left:3px;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.2);transition:.2s}.sidebar-tip{margin-top:12px}
:root[data-theme="dark"] .app-sidebar,:root[data-theme="dark"] .mobile-header{background:rgba(22,27,34,.97)}
:root[data-theme="dark"] .sidebar-link{color:#b7c0cb}:root[data-theme="dark"] .sidebar-link:hover,:root[data-theme="dark"] .theme-toggle:hover{background:#21262d}:root[data-theme="dark"] .sidebar-link.active{background:var(--primary-soft);color:var(--primary)}
:root[data-theme="dark"] .sidebar-tip,:root[data-theme="dark"] .upload-zone,:root[data-theme="dark"] .table thead th{background:#1c2128}:root[data-theme="dark"] .sidebar-toggle span{background:#c9d1d9}:root[data-theme="dark"] .btn-close{filter:invert(1) grayscale(1)}
:root[data-theme="dark"] .theme-icon-moon{display:none}:root[data-theme="dark"] .theme-icon-sun{display:block}:root[data-theme="dark"] .theme-switch{background:var(--primary)}:root[data-theme="dark"] .theme-switch span{left:17px}
:root[data-theme="dark"] .btn-secondary{background:#21262d;border-color:#444c56;color:var(--text)}:root[data-theme="dark"] .btn-secondary:hover,:root[data-theme="dark"] .btn-outline-secondary:hover{background:#2d333b;border-color:#626b76;color:#fff}:root[data-theme="dark"] .btn-outline-secondary{color:#c5ced8;border-color:#444c56}
:root[data-theme="dark"] .form-control,:root[data-theme="dark"] .form-select{background:#0d1117;border-color:#444c56;color:var(--text)}:root[data-theme="dark"] .form-control::placeholder{color:#768390}:root[data-theme="dark"] .form-control:disabled,:root[data-theme="dark"] .form-control[readonly]{background:#21262d}
:root[data-theme="dark"] .empty-state{background:rgba(22,27,34,.55);border-color:#444c56}:root[data-theme="dark"] .task-row:hover{background:#1c2128}:root[data-theme="dark"] .progress,:root[data-theme="dark"] .gallery-item{background:#262c34}:root[data-theme="dark"] .dropdown-menu{--bs-dropdown-bg:var(--surface);--bs-dropdown-color:var(--text);--bs-dropdown-link-color:var(--text);--bs-dropdown-link-hover-bg:#21262d;--bs-dropdown-link-hover-color:#fff}
:root[data-theme="dark"] .chat-composer{background:rgba(22,27,34,.96)}:root[data-theme="dark"] .reading-page .conteudo-texto{color:#d9e0e7}:root[data-theme="dark"] .alert-warning{--bs-alert-bg:var(--warning-soft);--bs-alert-color:#ffd37a;--bs-alert-border-color:#624b1c}:root[data-theme="dark"] .text-danger{color:var(--danger)!important}

.sidebar-user{display:flex;align-items:center;gap:10px;margin-top:auto;padding:14px 5px 12px;border-top:1px solid var(--border)}.user-avatar{display:grid;flex:0 0 34px;width:34px;height:34px;place-items:center;border-radius:10px;background:var(--primary-soft);color:var(--primary);font-weight:800}.user-info{min-width:0;flex:1}.user-info strong,.user-info small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-info strong{font-size:.78rem}.user-info small{color:var(--muted);font-size:.68rem}.logout-button{display:grid;width:34px;height:34px;place-items:center;border:0;border-radius:8px;background:transparent;color:var(--muted)}.logout-button:hover{background:var(--danger-soft);color:var(--danger)}.logout-button:focus-visible{outline:0;box-shadow:0 0 0 4px rgba(37,99,235,.14)}.logout-button svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.sidebar-user+.theme-toggle{margin-top:0}
.auth-body{background:var(--background)}.auth-shell{display:grid;grid-template-columns:minmax(340px,.8fr) minmax(460px,1.2fr);min-height:100vh}.auth-brand-panel{display:flex;flex-direction:column;justify-content:space-between;padding:clamp(34px,6vw,76px);background:#102a56;color:#fff}.auth-brand-panel .brand{color:#fff}.auth-brand-panel .brand-mark{background:#fff;color:#174ea6}.auth-brand-panel .eyebrow{color:#a9c7ff}.auth-brand-panel h1{margin:16px 0;font-size:clamp(2.1rem,4vw,3.5rem);color:#fff;line-height:1.08}.auth-brand-panel p{max-width:470px;color:#cbd9ef;font-size:1.05rem;line-height:1.7}.auth-brand-panel small{color:#9fb2cf}.auth-content{display:grid;place-items:center;padding:32px}.auth-card{width:min(100%,460px);padding:clamp(26px,5vw,42px);border:1px solid var(--border);border-radius:18px;background:var(--surface);box-shadow:var(--shadow-lg)}.auth-card header{margin-bottom:28px}.auth-card h2{margin:6px 0 8px;font-size:1.75rem}.auth-card header p,.auth-switch{color:var(--muted)}.auth-card .btn-primary{min-height:46px}.auth-switch{margin:25px 0 0;text-align:center;font-size:.88rem}.validation-summary-valid{display:none}.auth-card .alert ul{margin-bottom:0;padding-left:18px}
@media(max-width:767.98px){.auth-shell{display:block}.auth-brand-panel{min-height:auto;padding:24px}.auth-brand-panel>div,.auth-brand-panel>small{display:none}.auth-content{min-height:calc(100vh - 82px);padding:22px 16px}.auth-card{box-shadow:var(--shadow)}}
:root[data-theme="dark"] .auth-brand-panel{background:#101c30}:root[data-theme="dark"] .logout-button:hover{background:var(--danger-soft)}