:root{--blue:#0969da;--bg:#f5f8fb;--line:#d9e2ec}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:#17212b}.layout{display:flex;min-height:100vh}.side{width:258px;background:#eef5fa;border-right:1px solid #d6e0e8;padding:22px 14px}.brand{font-weight:700;font-size:18px;margin:0 12px 28px}.nav a{display:block;padding:12px 14px;color:#17212b;text-decoration:none;border-radius:9px;margin:4px 0}.nav a.active,.nav a:hover{background:#0969da;color:white}.main{flex:1;padding:28px;overflow:auto}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.card{background:white;border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:18px;box-shadow:0 2px 7px rgba(20,40,60,.04)}.btn{border:0;background:var(--blue);color:white;border-radius:8px;padding:10px 15px;cursor:pointer;text-decoration:none;display:inline-block}.btn-icon{display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.secondary{background:#e8eef5;color:#17212b}.btn.danger{background:#c62828}.grid{width:100%;border-collapse:separate;border-spacing:0;font-size:13px}.grid th,.grid td{border-bottom:1px solid #e5ebf0;border-right:1px solid #edf1f4;padding:7px;text-align:center;white-space:nowrap}.grid th{background:#f1f5f8;position:sticky;top:0;z-index:2}.grid th:first-child,.grid td:first-child{position:sticky;left:0;background:white;text-align:left;z-index:3}.grid th:first-child{z-index:4;background:#f1f5f8}.x{display:inline-flex;width:28px;height:28px;border-radius:7px;background:#3e88ef;color:#fff;align-items:center;justify-content:center;font-weight:700}.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:end}.field{display:flex;flex-direction:column;gap:5px}.field input,.field select,.field textarea{padding:10px;border:1px solid #cbd6e2;border-radius:7px;min-width:160px}.login{max-width:420px;margin:10vh auto}.hidden-admin{color:#555}.badge{padding:4px 8px;border-radius:12px;background:#edf2f7}.tablewrap{overflow:auto;max-height:65vh}.tabs{display:flex;gap:24px;border-bottom:1px solid #ddd;margin-bottom:10px}.tabs a{padding:10px 4px;text-decoration:none}.tabs a.active{color:var(--blue);border-bottom:2px solid var(--blue)}

.btn.small{padding:6px 10px;font-size:12px}
.error{color:#b42318}
.side-user{margin-top:40px;padding:12px;border-radius:10px;background:#dfeaf5}.filter-title{font-size:12px;font-weight:700;letter-spacing:.04em;color:#526170;margin-bottom:10px}.grid-card{padding:0;overflow:hidden}.grid-head{background:var(--activity-color,#3e88ef);color:#fff;padding:15px 16px;display:flex;justify-content:space-between;align-items:center;font-size:15px}.monthly th,.monthly td{min-width:34px;padding:6px 4px}.monthly th:first-child,.monthly td:first-child{min-width:160px}.monthly th small{font-size:10px}.invalid-day{color:#aeb7bf;background:#f7f9fb!important}.badge{display:inline-block}.action-criar{background:#e7f6ed;color:#177245}.action-remover{background:#fdebec;color:#a61b1b}.action-editar{background:#fff3d6;color:#8a5a00}.error{color:#b42318}

.audit-diff{min-width:360px;line-height:1.55}.audit-diff .old{font-weight:600}.audit-diff .new{font-weight:600}.audit-diff .arrow{font-size:18px;margin:0 5px}.audit-diff strong{font-weight:600}

.success{color:#177245}.active-state{background:#e7f6ed;color:#177245}.inactive-state{background:#fdebec;color:#a61b1b}
.inline{display:inline}.month-picker{position:relative;display:inline-block}.month-picker input[type=month]{position:absolute;left:0;bottom:0;width:100%;height:100%;opacity:0;pointer-events:none;border:0;padding:0}.month-picker-btn{display:inline-flex;align-items:center;justify-content:center}.top-actions{display:flex;gap:10px;flex-wrap:wrap}.top-inline{display:flex;justify-content:space-between;align-items:center;gap:15px}.activity-color-bar{height:6px;border-radius:8px 8px 0 0;margin:-18px -18px 12px}.color-dot{display:inline-block;width:18px;height:18px;border-radius:50%;vertical-align:middle;border:1px solid #ccd5df}

.clear-search{margin-top:0;white-space:nowrap}.field .clear-search{align-self:flex-start}

.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(180px,1fr));gap:14px;margin-bottom:18px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 2px 7px rgba(20,40,60,.04)}.stat-card span{display:block;color:#607080;font-size:13px;margin-bottom:8px}.stat-card strong{font-size:30px}.stat-card.stat-alert strong{color:#c62828}.stat-card[draggable="true"]{cursor:grab;position:relative;padding-left:34px}.stat-card[draggable="true"]:active{cursor:grabbing}.stat-card.dragging{opacity:.45;border-style:dashed}.stat-card .drag-handle{position:absolute;left:10px;top:14px;color:#a5afb9;font-size:16px;line-height:1;user-select:none}.cards-hint{color:#8a97a6;font-size:12px;margin:-10px 0 18px}.dashboard-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:18px}.card h2{font-size:17px;margin:0 0 18px}.metric{margin:14px 0}.metric-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px}.bar{height:10px;background:#edf2f6;border-radius:8px;overflow:hidden}.bar span{display:block;height:100%;border-radius:8px}.daily-chart{height:230px;display:flex;align-items:end;gap:5px;padding-top:15px}.day-col{height:100%;flex:1;display:flex;flex-direction:column;justify-content:end;align-items:center;min-width:10px}.day-value{height:18px;font-size:10px;color:#526170}.day-bar{height:175px;width:100%;display:flex;align-items:end;background:#f2f5f8;border-radius:5px 5px 0 0;overflow:hidden}.day-bar span{display:block;width:100%;border-radius:5px 5px 0 0;background:var(--blue)}.day-col small{margin-top:5px;color:#687787}.quick-actions{display:flex;gap:8px;flex-wrap:wrap}@media(max-width:900px){.stats-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}}@media(max-width:600px){.stats-grid{grid-template-columns:1fr}.main{padding:16px}.top{align-items:flex-start;gap:12px;flex-direction:column}}

/* Pesquisa do registo de presenças */
.search-inline{display:flex;align-items:center;gap:6px}.search-inline input{min-width:220px}.field .clear-search{align-self:center;padding:5px 8px;font-size:11px;border-radius:6px}.cell{min-width:34px;min-height:34px;padding:2px;background:transparent!important}.cell:hover{background:#f2f5f8!important}.cell:focus{outline:2px solid #cbd6e2;outline-offset:-2px}
.logo{width:220px;max-width:100%;height:auto;display:block}.logout-btn{display:block;margin-top:12px;background:#0969da;color:#fff;text-decoration:none;text-align:center;padding:9px 12px;border-radius:8px;font-weight:600}.clear-search{padding:6px 10px!important;font-size:13px!important}.search-inline{display:flex;align-items:center;gap:7px}.search-inline input{min-width:220px}.history-purge-inline{display:flex;gap:6px;align-items:center}.activity-color-input{width:52px!important;min-width:52px!important;height:34px!important;padding:3px!important}.wide-name input,.wide-resp input{min-width:300px}.code-field input{min-width:128px;width:128px}.checkbox-row{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}.checkbox-row label{display:inline-flex;align-items:center;gap:4px}.checkbox-row input[type="checkbox"]{min-width:auto;width:16px;height:16px;padding:0;margin:0}
.checkbox-field{justify-content:center;align-self:center}.checkbox-field label{display:inline-flex;align-items:center;gap:8px;font-weight:normal;white-space:nowrap}.checkbox-field input[type="checkbox"]{width:18px;height:18px;min-width:18px;padding:0;margin:0;border-radius:4px}.side-user{display:flex;flex-direction:column}.side-user small{margin-top:3px}@media(max-width:900px){.side{width:210px}.main{padding:18px}.wide-name input,.wide-resp input{min-width:220px}.search-inline input{min-width:180px}}@media(max-width:700px){.layout{display:block}.side{width:100%;border-right:0;border-bottom:1px solid #d6e0e8}.nav{display:flex;overflow:auto;gap:4px}.nav a{white-space:nowrap}.side-user{display:none}.logo{width:190px}.filters{align-items:stretch}.search-inline{width:100%}.search-inline input{flex:1;min-width:0}.history-purge-inline{flex-wrap:wrap}.main{padding:12px}}

.login-logo{margin:0 auto 22px;width:220px}.activity-color-input{width:52px!important;min-width:52px!important}.clear-search{padding:6px 10px!important}

/* Grelha de presenças: células sem moldura/quadrado */
.cell{border:0!important;box-shadow:none!important;appearance:none;-webkit-appearance:none;background:transparent!important;border-radius:0!important;min-width:30px;min-height:30px;}
.cell:hover,.cell:focus{background:transparent!important;}
.cell:focus{outline:1px dotted #cbd6e2!important;outline-offset:-3px;}
.day-dot{display:inline-block;min-width:12px;}

/* Células do registo de presenças sem moldura, incluindo foco */
.cell,.cell:hover,.cell:focus,.cell:active{border:0!important;outline:0!important;box-shadow:none!important;background:transparent!important;-webkit-appearance:none;appearance:none;}
.cell:focus-visible{outline:0!important;}
.nav-icon{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 20px;}
.nav-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.nav a{display:flex;align-items:center;gap:10px;}

/* Registo de presenças: sem molduras/limites nas marcações */
.cell,.cell:hover,.cell:focus,.cell:active,.cell:focus-visible{border:0!important;outline:none!important;box-shadow:none!important;background:transparent!important;border-radius:0!important;}

.activity-check{display:inline-flex!important;align-items:center;gap:2px;padding:6px 10px;border:1px solid var(--activity-color,#3e88ef);border-radius:7px;background:color-mix(in srgb,var(--activity-color,#3e88ef) 8%,white);white-space:nowrap}.activity-check input{margin:0;flex:0 0 auto;min-width:0!important;width:16px!important;height:16px!important;padding:0!important}.activity-check span{color:var(--activity-color,#3e88ef);font-weight:600}
.app-version{text-align:center;color:#8a97a6;font-size:12px;margin-top:24px}
.tabs-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.tabs-row .tabs{flex:1;min-width:0}
.tabs-row .btn{white-space:nowrap;flex:0 0 auto}
.presence-card{display:flex;flex-direction:column}
.presence-card .activity-color-bar{order:2}
.presence-card .tabs-row{order:3}
.presence-card .tablewrap{order:4}
@media(max-width:700px){
  .presence-card .tabs-row{display:contents}
  .presence-card #markAllBtn{order:0;width:100%;margin-bottom:8px}
  .presence-card .activity-color-bar{order:1;margin-top:16px}
  .presence-card .tabs{order:2;width:100%;flex-wrap:wrap;gap:8px 16px}
  .presence-card .tabs a{white-space:normal;padding:6px 4px}
  .presence-card .tablewrap{order:3}
}

/* ===================================================================
   MENU TOGGLE (hambúrguer) + OVERLAY — usado para abrir a sidebar em mobile
   =================================================================== */
.menu-toggle{display:none;position:fixed;top:14px;left:14px;z-index:60;width:44px;height:44px;border:0;border-radius:10px;background:#fff;box-shadow:0 2px 10px rgba(20,40,60,.18);align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;padding:0}
.menu-toggle span{display:block;width:20px;height:2px;background:#17212b;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.side-overlay{display:none;position:fixed;inset:0;background:rgba(15,25,38,.5);z-index:55}
.side-overlay.show{display:block}

/* ===================================================================
   DESIGN RESPONSIVO — reescrito
   Breakpoints: >900px desktop completo | 700–900px tablet | <700px mobile (sidebar off-canvas)
   =================================================================== */

/* Tablet: sidebar mais estreita, grelhas ajustadas */
@media(max-width:900px){
  .side{width:210px}
  .main{padding:20px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .dashboard-grid{grid-template-columns:1fr}
  .wide-name input,.wide-resp input{min-width:220px}
  .search-inline input{min-width:180px}
}

/* Mobile: sidebar off-canvas acionada pelo botão hambúrguer */
@media(max-width:700px){
  .menu-toggle{display:flex}
  .layout{display:block}
  .side{
    position:fixed;top:0;left:0;height:100vh;width:250px;
    z-index:58;transform:translateX(-100%);transition:transform .25s ease;
    overflow-y:auto;border-right:1px solid #d6e0e8;box-shadow:2px 0 16px rgba(20,40,60,.12);
  }
  .side.open{transform:translateX(0)}
  .side-user{display:flex}
  .nav{display:block;overflow:visible;gap:0}
  .nav a{white-space:normal}
  .brand{margin-top:8px}
  .main{padding:70px 14px 16px}
  .top{align-items:flex-start;gap:12px;flex-direction:column}
  .stats-grid{grid-template-columns:1fr}
  .dashboard-grid{grid-template-columns:1fr}
  .filters{align-items:stretch;flex-direction:column}
  .filters .field{width:100%}
  .field input,.field select,.field textarea{min-width:0;width:100%}
  .search-inline{width:100%}
  .search-inline input{flex:1;min-width:0}
  .wide-name input,.wide-resp input{min-width:0}
  .code-field input{width:100%}
  .history-purge-inline{flex-wrap:wrap}
  .tablewrap{max-height:none}
  .top-inline{flex-direction:column;align-items:flex-start;gap:10px}
  .quick-actions{width:100%}
  .quick-actions .btn{flex:1;text-align:center}
  .checkbox-row{gap:6px}
}

/* Avisos de utentes */
.avisos-list{display:flex;flex-direction:column;gap:10px}
.aviso-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fbfdff}
.aviso-item.is-pendente{border-left:4px solid #c62828;background:#fff8f7}
.aviso-item.is-entregue{border-left:4px solid #177245;opacity:.85}
.aviso-body strong{display:block}
.aviso-body .aviso-utente{color:#526170;font-size:12px}
.aviso-body .aviso-msg{color:#3a4551;font-size:13px;margin-top:3px}
.aviso-meta{color:#8a97a6;font-size:11px;margin-top:4px}
.aviso-actions{flex:0 0 auto;display:flex;gap:8px;align-items:center}
.aviso-empty{color:#607080}
.aviso-none{color:#a5afb9;font-size:12px}
.field-hint{display:block;color:#8a97a6;font-size:11px;margin-top:4px}
.inactive-tag{color:#a5afb9;font-weight:400;font-size:12px}
.entrega-field{display:flex;flex-direction:column;gap:5px}
@media(max-width:600px){.aviso-item{flex-direction:column;align-items:stretch}.aviso-actions{justify-content:flex-end}}

/* Mobile pequeno: ainda mais compacto */
@media(max-width:480px){
  .main{padding:64px 10px 14px}
  .card{padding:14px;border-radius:12px}
  .stat-card{padding:14px}
  .stat-card strong{font-size:24px}
  .logo{width:170px}
  .daily-chart{height:190px}
  .day-bar{height:135px}
}