:root{
  --primary:#0079bf; --primary-dark:#026aa7; --accent:#3498db;
  --success:#27ae60; --error:#e74c3c; --bg:#f5f7fa; --card:#ffffff;
  --muted:#7f8c8d; --border:#e0e0e0; --shadow:0 4px 12px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
body{margin:0;display:flex;background:var(--bg);color:#2c3e50;font-family:'Segoe UI',Tahoma,Verdana,sans-serif}
a{text-decoration:none}

/* Sidebar */
.sidebar{width:240px;background:var(--primary);color:#fff;min-height:100vh;position:fixed;left:0;top:0;padding:18px;display:flex;flex-direction:column}
.logo{text-align:center;margin-bottom:8px}
.logo h1{margin:0;font-size:1.3rem}
.logo p{margin:2px 0 0;opacity:.9}
.sidebar-menu{list-style:none;padding:0;margin:12px 0}
.sidebar-menu li{margin:6px 0}
.sidebar-menu a{color:#fff;display:block;padding:10px 12px;border-radius:8px}
.sidebar-menu a.active,.sidebar-menu a:hover{background:rgba(255,255,255,.18)}
.sidebar-footer{margin-top:auto;text-align:center;opacity:.95;padding-top:12px;border-top:1px solid rgba(255,255,255,.25);font-size:.9rem;line-height:1.3}
.sidebar-footer .by{margin-top:4px}

/* Main */
.main-content{margin-left:240px;flex:1;min-height:100vh;position:relative}
.header{background:#fff;padding:12px 18px;box-shadow:0 2px 6px rgba(0,0,0,.06);display:flex;justify-content:space-between;align-items:center}
.header-actions{display:flex;gap:14px;align-items:center;position:relative}
.user-avatar{width:36px;height:36px;border-radius:50%;background:#fff;color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;box-shadow:0 2px 6px rgba(0,0,0,.08)}
.notification-bell{position:relative;cursor:pointer}
.notification-badge{position:absolute;top:-6px;right:-8px;background:var(--error);color:#fff;border-radius:50%;width:18px;height:18px;font-size:.7rem;display:flex;align-items:center;justify-content:center}
.notification-panel{display:none;position:absolute;right:0;top:40px;width:320px;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 10px 24px rgba(0,0,0,.12);overflow:hidden;z-index:9}
.notification-header{display:flex;justify-content:space-between;align-items:center;background:#f0f4f8;padding:10px;border-bottom:1px solid var(--border)}
.clear-notifications{background:none;border:none;color:var(--muted);cursor:pointer}
.notification-list{max-height:340px;overflow:auto}
.notification-item{display:flex;gap:10px;padding:10px 12px;border-bottom:1px dashed var(--border)}
.notification-item:last-child{border-bottom:none}

/* Content */
.content{padding:22px}
.dashboard-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:16px}
.dashboard-card{background:var(--card);border-radius:12px;padding:16px;box-shadow:var(--shadow)}
.card-icon{font-size:1.6rem;color:var(--accent);margin-bottom:6px}
.card-title{font-weight:600}
.card-value{font-size:1.5rem;font-weight:800;margin-top:4px}

/* Sections */
.section{background:#fff;border-radius:12px;padding:20px;box-shadow:var(--shadow);margin:20px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group input,.form-group textarea,.form-group select{padding:10px;border:1px solid var(--border);border-radius:8px;background:#fff}
.form-group textarea{min-height:110px;resize:vertical}
.form-actions{display:flex;gap:10px;justify-content:flex-end}

/* Buttons */
.btn{padding:10px 14px;border-radius:8px;border:1px solid var(--border);background:#fff;cursor:pointer}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.copy-btn{background:#2c3e50;color:#fff;border:none;padding:8px 12px;border-radius:8px;cursor:pointer}

/* Labels & Files */
.labels-grid{display:flex;flex-wrap:wrap;gap:10px}
.label-checkbox{display:flex;align-items:center;padding:8px 12px;border:1px solid #d7dbe2;border-radius:8px;gap:8px;background:#fbfdff}
.label-checkbox input{display:none}
.label-checkbox .checkmark{width:16px;height:16px;border:1px solid #333;border-radius:3px;background:#fff;position:relative}
.label-checkbox input:checked + .checkmark{background:var(--accent);border-color:var(--accent)}
.label-checkbox input:checked + .checkmark:after{content:"";position:absolute;left:5px;top:2px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}

.file-upload{border:2px dashed var(--accent);border-radius:10px;padding:20px;text-align:center;background:#fbfdff;cursor:pointer}
.file-list{margin-top:10px}
.file-item{display:flex;justify-content:space-between;align-items:center;background:#f8f9fb;border:1px solid var(--border);border-radius:8px;padding:8px;margin-bottom:6px}
.file-item button{background:var(--error);color:#fff;border:none;border-radius:6px;padding:6px 10px;cursor:pointer}

/* Extras */
.extra-tool{background:#fafafa;border:1px solid var(--border);border-radius:12px;padding:16px;margin-top:14px}
.timer-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.timer-display{font-family:monospace;font-size:1.2rem;background:#fff;border:1px dashed #cfd8e3;padding:8px 12px;border-radius:8px}
.card-select{min-width:320px}
#timerLog{margin-top:10px}

/* Sticky notes */
.notes-toolbar{display:flex;gap:10px;margin-bottom:10px}
.notes-board{display:flex;flex-wrap:wrap;gap:12px}
.note{width:180px;min-height:140px;background:#fff7a9;border:1px solid #e5d66e;border-radius:10px;padding:10px;box-shadow:0 6px 12px rgba(0,0,0,.06);position:relative}
.note textarea{width:100%;height:100%;border:none;background:transparent;resize:none;font-family:inherit}
.note .remove{position:absolute;right:6px;top:6px;background:#e74c3c;color:#fff;border:none;border-radius:50%;width:22px;height:22px;cursor:pointer}

/* Templates & Resources */
.template-box{background:#f8f9fa;border-left:4px solid var(--accent);padding:15px;border-radius:10px;margin:0 20px 16px}
.template-title{display:flex;align-items:center;gap:8px;font-weight:600;margin-bottom:8px}
.template-content{width:100%;min-height:90px;border:1px solid var(--border);border-radius:8px;padding:10px;font-family:monospace;background:#fff;margin-bottom:10px}

.category-title{font-weight:800;margin-top:8px}
.resource-card{background:#f8f9fa;border:1px solid var(--border);border-radius:12px;padding:12px;display:flex;gap:12px;align-items:flex-start;margin-top:10px}
.resource-actions{display:flex;gap:8px}

/* Table preview */
.table-preview{margin-top:10px;overflow:auto}
.table-preview table{border-collapse:collapse;width:100%}
.table-preview th,.table-preview td{border:1px solid #e1e1e1;padding:8px;font-size:.92rem}
.table-preview th{background:#f1f5fb;font-weight:700}

/* Estatísticas */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.stat-box{background:#f8fbff;border:1px solid var(--border);border-radius:12px;padding:16px}
.stat-label{font-size:.9rem;color:var(--muted);margin-bottom:4px}
.stat-value{font-size:1.3rem;font-weight:800}
.stat-tags{display:flex;gap:8px;flex-wrap:wrap}
.stat-tag{padding:6px 10px;border-radius:999px;border:1px solid var(--border);background:#fff}

/* Agenda */
.agenda-list{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.agenda-item{display:flex;justify-content:space-between;align-items:center;background:#fbfdff;border:1px solid var(--border);border-radius:10px;padding:10px}
.agenda-item .info{display:flex;flex-direction:column}
.agenda-item .when{font-weight:700}
.agenda-item .notes{color:var(--muted);font-size:.9rem}
.agenda-item button{background:var(--error);color:#fff;border:none;border-radius:6px;padding:6px 10px;cursor:pointer}

/* Accordion (config colapsável) */
.accordion{display:flex;flex-direction:column;gap:10px}
.accordion-toggle{width:100%;text-align:left;background:#f5f7fb;border:1px solid var(--border);border-radius:10px;padding:10px 12px;cursor:pointer;display:flex;align-items:center;gap:8px}
.accordion-content{display:none;background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px}

/* Responsive */
@media (max-width:900px){
  .main-content{margin-left:0}
  .sidebar{position:fixed;transform:translateX(-100%);transition:.25s}
  .sidebar.active{transform:translateX(0)}
  .grid-2{grid-template-columns:1fr}
}
/* Modal genérico */
.modal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background: rgba(0,0,0,0.5);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  width: 90%;
  max-width: 600px;
  box-shadow: var(--shadow);
  animation: fadeIn .3s ease;
}

@keyframes fadeIn {
  from {opacity: 0; transform: translateY(-20px);}
  to   {opacity: 1; transform: translateY(0);}
}