:root{
  --bg:#AAE7F3;
  --card:#ffffff;
  --accent:#93E0EF;
  --muted:#9E79F2;
  --radius:12px;
  --gap:14px;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:linear-gradient(180deg,var(--bg),#eef3fb);
  color:#111827;
  -webkit-font-smoothing:antialiased;
}
.header{padding:28px 18px 10px;text-align:center}
.header h1{margin:0;font-size:1.6rem}
.subtitle{margin:6px 0 0;color:var(--muted)}
.container{max-width:1100px;margin:18px auto;padding:0 18px}
.controls{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:12px}
.btn{background:transparent;border:1px solid var(--accent);color:var(--accent);padding:8px 12px;border-radius:10px;cursor:pointer}
.btn.primary{background:var(--accent);color:#fff;border-color:transparent}
.btn.small{padding:4px 8px;font-size:.85rem}
.search-wrap input{padding:8px 12px;border-radius:10px;border:1px solid #d1d5db}

.week-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:var(--gap)}
.day-card{background:var(--card);padding:12px;border-radius:var(--radius);min-height:180px;display:flex;flex-direction:column}
.day-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.day-header strong{font-size:0.95rem}
.tasks{display:flex;flex-direction:column;gap:8px;flex:1;overflow:auto;padding-right:6px}
.task{display:flex;justify-content:space-between;align-items:center;padding:8px;border-radius:10px;border:1px solid #93E0EF}
.task .task-title{margin:0;font-size:0.92rem}
.task .task-time{margin:0;color:var(--muted);font-size:0.8rem}
.task.done{opacity:0.6;text-decoration:line-through}

.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.35);z-index:50}
.modal.hidden{display:none}
.modal-content{background:var(--card);padding:18px;border-radius:14px;min-width:320px;max-width:520px;width:92%}
.modal-content form{display:flex;flex-direction:column;gap:10px}
.modal-content input, .modal-content select, .modal-content textarea{padding:8px;border-radius:8px;border:1px solid #e5e7eb}
.modal-actions{display:flex;gap:8px;justify-content:flex-end}

.footer{text-align:center;padding:14px;color:var(--muted)}

/* Responsivo */
@media (max-width:900px){
  .week-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .week-grid{grid-template-columns:repeat(1,1fr)}
  .controls{flex-direction:column;align-items:stretch}
}