:root {
  --background-color: #f4f7f9;
  --card-color: #ffffff;
  --text-color: #333e48;
  --primary-accent-color: #4a90e2;
  --secondary-accent-color: #50e3c2;
  --border-color: #e0e6ed;
  --shadow-color: rgba(74, 144, 226, 0.15);
  --button-hover-bg: #357abd;
  --button-hover-text: #ffffff;
  --other-month-color: #aab2b9;
}

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

html, body, #root {
  height: 100%;
}

body {
  font-family: 'Roboto', sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#root {
  display: flex;
  flex-direction: column;
}

.app-container {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--primary-accent-color);
}

.main-title {
  font-family: 'Poppins', sans-serif;
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--text-color);
  letter-spacing: 1px;
}

.filters-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1rem;
  background-color: var(--card-color);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.filter-group {
  flex: 1 1 200px;
  display: flex;
  flex-direction: column;
}

.filter-group label {
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
  color: #6c757d;
  text-transform: uppercase;
  font-weight: 500;
}

.filter-select {
  width: 100%;
  padding: 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: #f8f9fa;
  color: var(--text-color);
  font-size: 1rem;
  cursor: pointer;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary-accent-color);
  box-shadow: 0 0 0 3px var(--shadow-color);
}

.reset-btn {
  flex-basis: 100%;
  padding: 0.75rem;
  border: 1px solid var(--primary-accent-color);
  background-color: transparent;
  color: var(--primary-accent-color);
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.reset-btn:hover {
  background-color: var(--primary-accent-color);
  color: var(--button-hover-text);
}

@media (min-width: 768px) {
  .reset-btn {
    flex-basis: auto;
    align-self: flex-end;
  }
}

/* Calendar Styles */
.calendar-container {
  display: flex;
  flex-direction: column;
  background-color: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.calendar-header h2 {
  font-family: 'Poppins', sans-serif;
  color: var(--text-color);
  text-transform: capitalize;
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
}

.calendar-nav-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
}

.calendar-nav-btn:hover {
  background-color: var(--primary-accent-color);
  color: var(--button-hover-text);
  border-color: var(--primary-accent-color);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}

.calendar-weekdays {
    margin-bottom: 5px;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--border-color);
}

.calendar-day-name {
    text-align: center;
    font-weight: 500;
    color: #6c757d;
    font-size: 0.8rem;
}

.calendar-day {
  background-color: #f8f9fa;
  border-radius: 4px;
  padding: 0.5rem;
  min-height: 90px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
  position: relative;
}

.calendar-day.has-events {
  cursor: pointer;
}
.calendar-day.has-events:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.day-header {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding-top: 4px;
    gap: 4px;
}

.day-number {
  font-weight: 500;
}

.day-event-count {
    background-color: #e53935;
    color: white;
    font-size: 0.85rem;
    padding: 3px 7px;
    border-radius: 6px;
    font-weight: 500;
    line-height: 1;
}

.calendar-day.today .day-number {
  background-color: var(--primary-accent-color);
  color: #fff;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
}

.calendar-day.other-month {
  color: var(--other-month-color);
  background-color: #fdfdff;
}

.calendar-day.other-month.has-events:hover,
.calendar-day.other-month {
  cursor: default;
  transform: none;
  box-shadow: none;
}

.calendar-day.other-month .day-event-count {
    display: none;
}


/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    color: #aaa;
    font-size: 2rem;
    cursor: pointer;
    z-index: 1001;
    transition: color 0.3s ease;
    line-height: 1;
}
.modal-close-btn:hover {
    color: var(--text-color);
}

/* Day Events Modal */
.day-events-modal-content {
  background-color: var(--card-color);
  padding: 2rem;
  border-radius: 8px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.day-events-modal-content h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
  color: var(--text-color);
}

.day-events-modal-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.day-events-modal-list li {
  margin-bottom: 0.75rem;
}

.day-events-modal-list button {
  width: 100%;
  background-color: #f8f9fa;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
  border-left: 4px solid var(--secondary-accent-color);
}

.day-events-modal-list button:hover {
  background-color: #e9ecef;
  border-color: #ced4da;
  transform: translateX(4px);
}

.event-name-list {
  font-weight: 500;
  font-size: 1rem;
  color: var(--text-color);
}

.event-city-list {
  font-size: 0.9rem;
  color: #6c757d;
  background-color: #e9ecef;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}


/* Event Card Styles */
.event-card {
  background-color: var(--card-color);
  border-radius: 8px;
  padding: 2rem;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.event-date {
  font-weight: 500;
  color: var(--primary-accent-color);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.event-date span {
  text-transform: capitalize;
}

.event-name {
  font-family: 'Poppins', sans-serif;
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.event-details {
  list-style: none;
  margin-bottom: 1.5rem;
}

.event-details li {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  opacity: 0.9;
}

.event-details strong {
  color: #6c757d;
  min-width: 70px;
  display: inline-block;
  font-weight: 500;
}

.event-link {
  display: inline-block;
  margin-top: auto;
  padding: 0.75rem 1.5rem;
  background-color: var(--primary-accent-color);
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  border-radius: 6px;
  text-align: center;
  transition: background-color 0.3s ease, transform 0.3s ease;
  align-self: flex-start;
}

.event-link:hover {
  background-color: var(--button-hover-bg);
  transform: translateY(-2px);
}

.event-link.disabled {
    background-color: var(--border-color);
    color: #aaa;
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
}

/* Chart Styles */
.chart-container {
  margin-top: 2rem;
  background-color: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.chart-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.chart-wrapper {
  display: flex;
  height: 300px;
}

.y-axis {
  display: flex;
  flex-direction: column-reverse;
  justify-content: space-between;
  padding-right: 1rem;
  text-align: right;
  height: 100%;
}

.y-axis-label {
  font-size: 0.8rem;
  color: #6c757d;
  position: relative;
  top: -0.4em; /* Adjust to align with grid lines */
}

.chart-area {
  flex-grow: 1;
  display: flex;
  gap: 10px;
  position: relative;
  padding: 1.5rem 10px 0;
  background-color: #f8f9fa;
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.grid-line {
  position: absolute;
  left: 0;
  right: 0;
  border-top: 1px solid var(--border-color);
  z-index: 0;
}

.chart-bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  position: relative;
  z-index: 1;
}

.chart-bar-value {
    color: var(--text-color);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.chart-bar {
  width: 80%;
  max-width: 50px;
  border-radius: 6px 6px 0 0;
  transition: height 0.6s cubic-bezier(0.65, 0, 0.35, 1);
  cursor: pointer;
}
.chart-bar:hover {
    filter: brightness(1.1);
}

.chart-label {
  font-size: 0.75rem;
  margin-top: 0.5rem;
  color: #6c757d;
  white-space: nowrap;
  transform: rotate(-45deg);
  transform-origin: top right;
  padding-right: 5px;
  position: relative;
  top: 5px;
}

@media (max-width: 767px) {
  .main-title {
    font-size: 1.8rem;
  }
  
  .calendar-header h2 {
    font-size: 1rem;
  }

  .app-container {
    padding: 1rem;
  }
  
  .calendar-day {
      min-height: 70px;
      padding: 0.25rem;
  }

  .day-number {
      font-size: 0.8rem;
  }
  .calendar-day.today .day-number {
      width: 22px;
      height: 22px;
  }

  .calendar-day-name {
      font-size: 0.7rem;
  }

  .day-events-modal-content {
    padding: 1.5rem;
  }

  .day-events-modal-content h2 {
    font-size: 1.2rem;
  }

  .day-events-modal-list button {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .chart-area {
    gap: 15px;
    padding-left: 10px;
    padding-right: 15px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-accent-color) var(--border-color);
  }

  .chart-area::-webkit-scrollbar {
    height: 6px;
  }
  .chart-area::-webkit-scrollbar-track {
    background: var(--border-color);
    border-radius: 3px;
  }
  .chart-area::-webkit-scrollbar-thumb {
    background: var(--primary-accent-color);
    border-radius: 3px;
  }

  .chart-bar-group {
    flex: 0 0 50px; /* Don't shrink, fixed base width */
  }

  .chart-label {
    font-size: 0.75rem;
    transform: none;
    transform-origin: center;
    position: static;
    padding-right: 0;
    margin-top: 8px;
    text-align: center;
    white-space: nowrap;
  }
}