* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Courier New", monospace;
  background: #0d1117;
  color: #e6edf3;
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 25% 15%, rgba(0,255,204,0.07) 0%, transparent 50%),
    radial-gradient(circle at 75% 85%, rgba(0,255,204,0.05) 0%, transparent 50%);
}

header {
  background: rgba(22,27,34,0.94);
  backdrop-filter: blur(10px);
  padding: 0.9rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  border-bottom: 2px solid #00ffcc;
  position: sticky;
  top: 0;
  z-index: 20;
}

header img {
  height: clamp(42px, 10vw, 52px);
  border-radius: 50%;
  border: 2px solid #00ffccaa;
  box-shadow: 0 0 12px #00ffcc66;
}

header h1 {
  color: #00ffcc;
  text-shadow: 0 0 10px #00ffcccc;
  font-size: clamp(1.4rem, 6vw, 1.9rem);
}

.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.2rem;
}

.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}

.chart-card {
  background: rgba(30,45,61,0.4);
  border: 2px solid #00ffcc44;
  border-radius: 10px;
  padding: 1rem;
  backdrop-filter: blur(6px);
  cursor: pointer;
  transition: all 0.2s;
  height: 220px;
  position: relative;
}

.chart-card:hover {
  transform: translateY(-4px);
  border-color: #00ffccaa;
  box-shadow: 0 8px 25px rgba(0,255,204,0.2);
}

.chart-card h3 {
  color: #00ffcc;
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  text-align: center;
  text-shadow: 0 0 6px #00ffcc88;
}

.chart-container {
  height: 160px;
}

.calendar-box {
  background: rgba(30,45,61,0.4);
  border: 2px solid #00ffcc44;
  border-radius: 10px;
  padding: 1.2rem;
  backdrop-filter: blur(6px);
}

.month-title {
  text-align: center;
  color: #00ffcc;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  text-shadow: 0 0 8px #00ffcc99;
}

.calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.day {
  padding: 10px 4px;
  font-size: clamp(0.85rem, 2.6vw, 1rem);
  text-align: center;
  border: 1px solid #00ffcc55;
  border-radius: 6px;
  background: #161b22;
  cursor: pointer;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.18s;
}

.day.today{
background:#ff4444;
color:white;
font-weight:bold;
border:2px solid #ff7777;
box-shadow:0 0 10px rgba(255,0,0,0.6);
}
.day:hover {
  background: rgba(0,255,204,0.2);
  transform: scale(1.04);
}

.today {
  border: 2px solid #00ffcc;
  background: rgba(0,255,204,0.3);
  font-weight: bold;
}

.hasdata {
  background: #00ffcc22;
  color: #00ffcc;
  font-weight: 500;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(6px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-content {
  background: rgba(22,27,34,0.98);
  border: 2px solid #00ffcc99;
  border-radius: 12px;
  padding: 1.5rem;
  width: 100%;
  max-width: 1100px;
  height: 85vh;
  max-height: 95vh;
  box-shadow: 0 15px 50px rgba(0,255,204,0.4);
  position: relative;
}

.close-btn {
  position: absolute;
  top: 12px;
  right: 20px;
  font-size: 2.2rem;
  color: #00ffccaa;
  cursor: pointer;
  z-index: 10;
}

.modal-title {
  color: #00ffcc;
  text-align: center;
  margin-bottom: 1.2rem;
  font-size: 1.6rem;
  text-shadow: 0 0 10px #00ffcc;
}

.modal-chart-container {
  height: calc(100% - 70px);
}

@media (min-width: 950px) {
  .content-wrapper {
    flex-direction: row;
    gap: 2rem;
  }
  .charts-grid {
    flex: 3;
  }
  .calendar-box {
    flex: 1;
    max-width: 420px;
    min-width: 360px;
  }
  .chart-card {
    height: 260px;
  }
  .chart-container {
    height: 200px;
  }
}

@media (min-width: 1300px) {
  .calendar-box {
    max-width: 460px;
  }
  .day {
    font-size: 1.05rem;
    padding: 12px 6px;
    min-height: 56px;
  }
}