body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}

/* CENTER LOGIN */
.center {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

/* LOGIN BOX */
.login-box {
  background: #020617;
  padding: 30px;
  border-radius: 12px;
  width: 300px;
  text-align: center;
}

/* SIDEBAR */
.sidebar {
  width: 220px;
  background: #020617;
  height: 100vh;
  padding: 20px;
  position: fixed;
}

.sidebar a {
  display: block;
  padding: 10px;
  color: #94a3b8;
  text-decoration: none;
  border-radius: 8px;
}

.sidebar a:hover {
  background: #1e293b;
  color: white;
}

/* MAIN */
.main {
  margin-left: 240px;
  padding: 30px;
}

/* CARD */
.card {
  background: #020617;
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 20px;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap: 20px;
}

/* INPUT */
input, textarea, select {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  background: #1e293b;
  border: none;
  color: white;
  border-radius: 8px;
}

/* BUTTON */
button {
  margin-top: 10px;
  padding: 10px;
  background: #22c55e;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

/* TASK */
.task {
  padding: 10px;
  border-bottom: 1px solid #1e293b;
}

/* PROGRESS */
.progress-bar {
  height: 10px;
  background: #1e293b;
  border-radius: 10px;
}

.progress {
  height: 10px;
  background: #22c55e;
  border-radius: 10px;
}

#heatmap {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 5px;
}

.heat {
  height: 20px;
  border-radius: 4px;
}

.low { background: #1e293b; }
.mid { background: #22c55e; }
.high { background: #4ade80; }