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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: #333;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Login Form Styles */
.login-form {
  background: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
}

.login-form h1 {
  text-align: center;
  margin-bottom: 30px;
  color: #333;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 12px;
  border: 2px solid #ddd;
  border-radius: 5px;
  font-size: 16px;
  transition: border-color 0.3s;
}

.form-group input:focus {
  outline: none;
  border-color: #667eea;
}

button {
  width: 100%;
  padding: 12px;
  background: #667eea;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background: #5a6fd8;
}

button:disabled {
  background: #ccc;
  cursor: not-allowed;
}

/* Dashboard Styles */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: white;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 15px;
}

.user-info button {
  width: auto;
  padding: 8px 16px;
  background: #dc3545;
}

.user-info button:hover {
  background: #c82333;
}

.dashboard-main {
  background: white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Calendar Styles */
.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.calendar-header button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 20px;
}

.day-header {
  text-align: center;
  font-weight: bold;
  padding: 10px;
  background: #f8f9fa;
  border-radius: 5px;
}

.day-cell {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  min-height: 60px;
  padding: 5px;
}

.day-cell:hover {
  transform: scale(1.05);
}

.day-cell.other-month {
  opacity: 0.3;
}

.day-cell.sufficient {
  background: #d4edda;
  border: 2px solid #28a745;
}

.day-cell.insufficient {
  background: #f8d7da;
  border: 2px solid #dc3545;
}

.day-cell.no-payment {
  background: #f8f9fa;
  border: 2px solid #6c757d;
}

.day-number {
  font-weight: bold;
  font-size: 14px;
}

.subscription-count {
  font-size: 12px;
  background: rgba(0, 0, 0, 0.1);
  padding: 2px 6px;
  border-radius: 10px;
  margin-top: 2px;
}

/* Legend */
.legend {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.color-box {
  width: 20px;
  height: 20px;
  border-radius: 3px;
  border: 2px solid;
}

.color-box.sufficient {
  background: #d4edda;
  border-color: #28a745;
}

.color-box.insufficient {
  background: #f8d7da;
  border-color: #dc3545;
}

.color-box.no-payment {
  background: #f8f9fa;
  border-color: #6c757d;
}

/* Blocked Page */
.blocked-message {
  text-align: center;
  background: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.blocked-message h1 {
  color: #dc3545;
  margin-bottom: 20px;
}

.blocked-message p {
  margin-bottom: 15px;
  line-height: 1.6;
}

.home-link {
  display: inline-block;
  padding: 12px 24px;
  background: #667eea;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 20px;
  transition: background 0.3s;
}

.home-link:hover {
  background: #5a6fd8;
}

/* Message styles */
.message {
  margin-top: 15px;
  padding: 10px;
  border-radius: 5px;
  text-align: center;
}

.message.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.message.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* Responsive design */
@media (max-width: 768px) {
  .container {
    padding: 10px;
  }

  .dashboard-header {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }

  .calendar-grid {
    gap: 1px;
  }

  .day-cell {
    min-height: 40px;
    font-size: 12px;
  }

  .legend {
    flex-direction: column;
    align-items: center;
  }
}