:root {
  --pastel-pink: #f9d7e9;
  --pastel-blue: #d5e8f8;
  --pastel-green: #d9f8e3;
  --pastel-cream: #fef7e0;
  --primary: #f7b6cc;
  --accent-blue: #b7d8f6;
  --accent-green: #b9f3c5;
  --text: #444;
  --card: #ffffff;
  --grid: #f0f0f0;
  --muted: #7a7a7a;
}

*{box-sizing:border-box}

body {
  margin: 0;
  font-family: "Poppins", "Segoe UI", sans-serif;
  background: linear-gradient(var(--pastel-blue), var(--pastel-green), var(--pastel-pink), var(--pastel-pink), var(--pastel-green), var(--pastel-blue));
  overflow-x: hidden;
  color: #333;
}

.heart{
  position: fixed;
  bottom: -20px;
  font-size: 16px;
  color: var(--primary);
  opacity: 0.8;
  animation: floatUp 10s linear infinite;
  pointer-events: none;
  z-index: 0;
}

.container{
  max-width:1200px;
  margin:20px auto;
  padding:20px;
}

h1{
  color: var(--primary);
  text-align:center;
  margin-bottom:10px;
}

.week-nav{
  display:flex;
  justify-content:center;
  align-items:center;
  margin:10px 0 25px;
  color: var(--primary);
  gap:10px;
  position:relative;
}

.week-nav::before{
  content:none;
}

.week-nav button{
  background-color: var(--pastel-blue);
  color: var(--pastel-cream);
  border:none;
  border-radius:6px;
  font-size:0.9em;
  padding:5px 10px;
  cursor:pointer;
  position:absolute;
  top:50%;
  transform: translateY(-50%);
  transition: all 0.3s ease;
}

.week-nav button:hover{
  background: var(--pastel-green);
  transform: translateY(-50%) scale(1.05);
}

#prev-week{ left:0%; }
#next-week{ right:0%; }

#week-range{
  font-weight:700;
  font-size:1.4em;
}

.hidden{ display:none !important; }

.switch{
  position: relative;
  display:inline-block;
  width:50px;
  height:26px;
}

.switch input{
  opacity:0;
  width:0;
  height:0;
}

.view-toggle{
  display:flex;
  align-items:center;
  justify-content:left;
  margin:10px auto;
  gap:10px;
  font-weight:600;
  color: var(--primary);
}

.slider{
  position:absolute;
  cursor:pointer;
  top:0; left:0; right:0; bottom:0;
  background-color: var(--pastel-pink);
  transition:0.4s;
  border-radius:34px;
}

.slider:before{
  position:absolute;
  content:"";
  height:20px;
  width:20px;
  left:3px;
  bottom:3px;
  background-color: var(--pastel-cream);
  transition:0.4s;
  border-radius:50%;
}

input:checked + .slider{background:var(--primary);}
input:checked + .slider:before{transform: translateX(24px);}
.slider.round{ border-radius:999px; }

#week{
  background: var(--card);
  border:0px solid var(--grid);
  border-radius:8px;
  overflow-x:auto;
  margin-bottom:12px;
}

.days{
  display:grid;
  grid-template-columns:60px repeat(7,1fr);
  background: var(--primary);
  color: var(--card);
  font-weight:600;
  text-align:center;
}

.days>div{ padding:10px; border-right:2px solid rgba(255,255,255,0.3); }

.hours{
  display:grid;
  grid-auto-rows:24px;
  border-left:1px solid var(--grid);
  border-bottom:1px solid var(--grid);
}

.each-hour{
  display:grid;
  grid-template-columns:60px repeat(7,1fr);
  position:relative;
  border-top:1px solid var(--grid);
  background:#fff;
}

.each-hour::before{
  content: attr(data-hour) ":00";
  display:flex;
  align-items:center;
  justify-content:center;
  border-right:1px solid var(--grid);
  background:#fafafa;
  font-size:12px;
  color:var(--muted);
}

.day-column{ position:relative; padding:2px; }

.month-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin:10px 0;
  color: var(--primary);
  background-color: var(--card);
}

.month-header button{
  background: var(--pastel-blue);
  color:var(--pastel-cream);
  padding:6px 10px;
  border-radius:6px;
  border:none;
  cursor:pointer;
  transition: all 0.3s ease;
}

.month-header button:hover{
  background: var(--pastel-green);
}

.month-days-header{
  display:grid;
  grid-template-columns:repeat(7,1fr);
  background: var(--primary);
  color: var(--card);
  text-align:center;
  padding:6px 0;
  font-weight:600;
}

.month-grid{
  display:grid;
  grid-template-columns:repeat(7,1fr);
  gap:1px;
  background: var(--grid);
}

.month-cell{
  background:#fff;
  min-height:100px;
  position:relative;
  padding:6px;
  border:1px solid var(--grid);
}

.month-cell span{
  position:absolute;
  top:6px;
  right:6px;
  font-weight:700;
}

.month-cell.today{
  background:#dbeafe;
  border:2px solid var(--primary);
}

.month-event{
  background: var(--primary);
  color:#fff;
  border-radius:4px;
  padding:4px 6px;
  font-size:12px;
  margin-top:6px;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
  cursor:pointer;
  position:relative;
}

.each-hour .day-column .event{
  background: var(--primary);
  color:#fff;
  border-radius:4px;
  padding:4px 6px;
  font-size:12px;
  position:absolute;
  left:6px;
  right:6px;
  top:4px;
  cursor:pointer;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
}

.event:hover::after,
.month-event:hover::after{
  content: attr(data-description);
  position:absolute;
  bottom:100%;
  left:50%;
  transform:translateX(-50%);
  background:rgba(0,0,0,0.85);
  color:white;
  padding:6px 8px;
  border-radius:6px;
  font-size:12px;
  white-space:nowrap;
  z-index:50;
  pointer-events:none;
}

#add-event{
  position:fixed;
  right:20px;
  bottom:20px;
  width:56px;
  height:56px;
  border-radius:50%;
  border:none;
  background: var(--pastel-blue);
  color: var(--pastel-cream);
  font-size:28px;
  cursor:pointer;
  box-shadow:0 10px 24px rgba(0,0,0,0.25);
  transition: all 0.3s ease;
}

#add-event:hover{
  background: var(--pastel-green);
}

#event-form{
  position:fixed;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  background:#fff;
  padding:18px;
  border-radius:8px;
  box-shadow:0 20px 50px rgba(0,0,0,0.25);
  z-index:200;
  width:320px;
}

#event-form.hidden{display:none;}

.form-actions{ display:flex; justify-content:space-between; margin-top:12px; }

#cancel-event{ background: var(--pastel-pink); color: var(--pastel-cream); border:1px solid #ddd; padding:6px 10px; border-radius:6px; cursor:pointer; }
#submit-event{ background: var(--pastel-blue); color: var(--pastel-cream); border:none; padding:6px 10px; border-radius:6px; cursor:pointer; transition: all 0.3s ease; }
#submit-event:hover{ background: var(--pastel-green); }

#event-detail-overlay{ position:fixed; inset:0; display:flex; align-items:center; justify-content:center; background:rgba(0,0,0,0.35); z-index:300; }
#event-detail-overlay.hidden{ display:none; }
#event-detail{ background:#fff; padding:18px; border-radius:8px; width:360px; position:relative; box-shadow:0 20px 50px rgba(0,0,0,0.3); }

.icon-btn{ position:absolute; top:8px; right:8px; border:none; background:transparent; cursor:pointer; font-size:18px; }

.detail-actions{ display:flex; justify-content:space-between; margin-top:12px; }
.detail-actions button{ padding:6px 10px; border-radius:6px; cursor:pointer; border:none; }

.each-hour, .month-grid, .day-column{ overflow:visible; }

@keyframes floatUp{
  0%{transform: translateY(0) scale(1); opacity:0.8;}
  50%{opacity:1;}
  100%{transform: translateY(-100vh) scale(1.5); opacity:0;}
}