:root {
  --bg: #ffffff;
  --card-bg: #ffffff;
  --card-text: #000000;
  --tab-bg: #dddddd;
  --tab-active-bg: #ffffff;
  --tab-active-border: #000000;
  --checkbox-bg: #f0f0f0;
  --section-border: #aaaaaa;
  --shadow: rgba(0,0,0,0.1);
  --modal-bg: #ffffff;
  --modal-text: #000000;
  --no-event-color: #555555;
}

body.dark {
  --bg: #1a1a1a;
  --card-bg: #2d2d2d;
  --card-text: #e0e0e0;
  --tab-bg: #333333;
  --tab-active-bg: #444444;
  --tab-active-border: #aaaaaa;
  --checkbox-bg: #252525;
  --section-border: #666666;
  --shadow: rgba(0,0,0,0.5);
  --modal-bg: #2d2d2d;
  --modal-text: #e0e0e0;
  --no-event-color: #999999;
}

body {
  font-family: "Arial", "Helvetica Neue", sans-serif;
  margin: 0;
  background: var(--bg);
  color: var(--card-text);
  transition: background 0.25s, color 0.25s;
}

header {
  color: white;
  padding: 0.6rem;
  text-align: center;
  font-size: 1.3rem;
  font-weight: bold;
  position: relative;

  background: rgb(56,56,56);
  background: -moz-linear-gradient(top,  rgba(56,56,56,1) 0%, rgba(25,25,25,1) 26%, rgba(0,0,0,1) 51%, rgba(25,25,25,1) 83%, rgba(30,30,30,1) 100%);
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(56,56,56,1)), color-stop(26%,rgba(25,25,25,1)), color-stop(51%,rgba(0,0,0,1)), color-stop(83%,rgba(25,25,25,1)), color-stop(100%,rgba(30,30,30,1)));
  background: -webkit-linear-gradient(top,  rgba(56,56,56,1) 0%,rgba(25,25,25,1) 26%,rgba(0,0,0,1) 51%,rgba(25,25,25,1) 83%,rgba(30,30,30,1) 100%);
  background: -o-linear-gradient(top,  rgba(56,56,56,1) 0%,rgba(25,25,25,1) 26%,rgba(0,0,0,1) 51%,rgba(25,25,25,1) 83%,rgba(30,30,30,1) 100%);
  background: -ms-linear-gradient(top,  rgba(56,56,56,1) 0%,rgba(25,25,25,1) 26%,rgba(0,0,0,1) 51%,rgba(25,25,25,1) 83%,rgba(30,30,30,1) 100%);
  background: linear-gradient(to bottom,  rgba(56,56,56,1) 0%,rgba(25,25,25,1) 26%,rgba(0,0,0,1) 51%,rgba(25,25,25,1) 83%,rgba(30,30,30,1) 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#383838', endColorstr='#1e1e1e',GradientType=0 );
}

.tsv-link, #save-btn {
  position: absolute;
  top: 0.6rem;
  font-size: 0.7rem;
  background-color: #444;
  color: white;
  padding: 3px 6px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
}

.tsv-link { right: 0.6rem; }
#save-btn { left: 0.6rem; cursor: pointer; border: none; }

.tabs {
  display: flex;
  background: var(--tab-bg);
  flex-wrap: wrap;
  transition: background 0.25s;
}

.tab {
  flex: 1 1 auto;
  text-align: center;
  padding: 0.6rem;
  cursor: pointer;
  font-size: 0.9rem;
  border-bottom: 2px solid transparent;
  color: var(--card-text);
  transition: background 0.25s, color 0.25s;
}

.tab.active {
  background: var(--tab-active-bg);
  border-bottom: 2px solid var(--tab-active-border);
  font-weight: bold;
}

.checkbox-container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  background: var(--checkbox-bg);
  transition: background 0.25s;
}

#refresh-btn {
  margin-left: 10px;
  background-color: #007bff;
  color: white;
  border: none;
  padding: 4px 8px;
  font-size: 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.checkbox-container input {
  transform: scale(1.2);
  margin-right: 6px;
}

.checkbox-container label {
  font-size: 0.9rem;
  color: var(--card-text);
}

.content {
  padding: 0.6rem;
  padding-bottom: 80px;
}

main {
  max-width: 600px;
  margin: 0 auto;
}

.section-title {
  font-size: 1rem;
  font-weight: bold;
  margin: 0.8rem 0 0.4rem;
  border-bottom: 1px solid var(--section-border);
  color: var(--card-text);
}

.event-card {
  background: var(--card-bg);
  border-radius: 5px;
  padding: 0.5rem;
  margin: 0.3rem 0;
  font-size: 0.8rem;
  box-shadow: 0 0 3px var(--shadow);
  white-space: pre-wrap;
  cursor: pointer;
  color: var(--card-text);
  transition: background 0.25s, color 0.25s, box-shadow 0.25s;
}

.shadow-capture {
  box-shadow: 0 0 4px 1px rgba(0,0,0,0.25) !important;
  border: 1px solid rgba(0,0,0,0.08);
}

.hidden { display: none; }

.red    { color: #dd1111; font-weight: bold; }   
.orange { color: #ee7700; font-weight: bold; }  
.blue   { color: #0088ee; font-weight: bold; }  
.green  { color: #228800; font-weight: bold; }  
.purple { color: #9922cc; font-weight: bold; } 
.pink   { color: #cc0099; font-weight: bold; } 

body.dark .red    { color: #ff6b6b; }
body.dark .orange { color: #ffaa55; }
body.dark .blue   { color: #55aaff; }
body.dark .green  { color: #66cc44; }
body.dark .purple { color: #cc88ff; }
body.dark .pink   { color: #ff77cc; }

.modal-content a:link,
.modal-content a:visited {
  color: #1a6fc4;
}
body.dark .modal-content a:link,
body.dark .modal-content a:visited {
  color: #66b8ff;
}
.modal-content a:hover {
  color: #0044aa;
}
body.dark .modal-content a:hover {
  color: #99d0ff;
}

.modal-content span.orange   { color: #f60;    font-weight: normal; }
.modal-content span.lightblue{ color: #00c8c8; font-weight: normal; }
.modal-content span.red      { color: #f22;    font-weight: normal; }
.modal-content span.yellow   { color: #cc9900; font-weight: normal; }
.modal-content span.green    { color: #008f03; font-weight: normal; }
.modal-content span.purple   { color: #aa33cc; font-weight: normal; }
.modal-content span.pink     { color: #f0c;    font-weight: normal; }
.modal-content span.blue     { color: #0099ff; font-weight: normal; }
.modal-content span.lime     { color: #88aa00; font-weight: normal; }

body.dark .modal-content span.orange    { color: #ffaa55; }
body.dark .modal-content span.lightblue { color: #55eedd; }
body.dark .modal-content span.red       { color: #ff6b6b; }
body.dark .modal-content span.yellow    { color: #ffdd55; }
body.dark .modal-content span.green     { color: #66cc44; }
body.dark .modal-content span.purple    { color: #cc88ff; }
body.dark .modal-content span.pink      { color: #ff77cc; }
body.dark .modal-content span.blue      { color: #55aaff; }
body.dark .modal-content span.lime      { color: #aadd33; }

.no-event-msg {
  font-size: 0.75rem;
  color: var(--no-event-color);
  padding: 0.2rem 0;
}

.modal-backdrop {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-backdrop.show { display: flex; }

.modal-content {
  background: var(--modal-bg);
  color: var(--modal-text);
  padding: 12px;
  border-radius: 6px;
  max-width: 80%;
  max-height: 70%;
  overflow-y: auto;
  box-shadow: 0 0 6px rgba(0,0,0,0.3);
  position: relative;
  font-size: 0.8rem;
  line-height: 1.4;
}

.modal-content #modal-close {
  position: absolute;
  top: 6px;
  right: 10px;
  font-size: 2rem;
  cursor: pointer;
  color: var(--modal-text);
}

#fixed-bottom-left {
  position: fixed;
  bottom: 12px;
  left: 12px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  z-index: 900;
}

#home-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  color: var(--card-text);
  background: var(--card-bg);
  border-radius: 20px;
  padding: 4px 10px 4px 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
  font-size: 0.85rem;
  font-weight: bold;
  transition: background 0.25s, color 0.25s, box-shadow 0.2s;
}

body.dark #home-btn {
  color: #88ccff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.6);
}

#home-btn:hover {
  box-shadow: 0 3px 10px rgba(0,0,0,0.35);
}

#home-btn img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
}

#dark-toggle {
  display: inline-flex;
  cursor: pointer;
  user-select: none;
}

#toggle-track {
  position: relative;
  width: 64px;
  height: 34px;
  background: #b6bbc0; 
  border-radius: 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4px;
  box-sizing: border-box;
  transition: background 0.3s ease;
}

#toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 28px;
  height: 28px;
  background: #ffffff; 
  border-radius: 50%;
  transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1), background 0.3s ease;
  z-index: 1;
}

.icon-container {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2; 
  transition: color 0.3s ease;
}

.sun-container { color: #000000; } 
.moon-container { color: #5a5f64; }

body.dark #toggle-track {
  background: #3a3d42;
}

body.dark #toggle-thumb {
  transform: translateX(30px);
  background: #2a2c30;
}

body.dark .sun-container { color: #8e9499; } 
body.dark .moon-container { color: #ffffff; }

@media (max-width: 768px) {
  header {
    font-size: 1.1rem;
    padding: 0.4rem;
  }

  .tsv-link, #save-btn {
    font-size: 0.6rem;
    padding: 2px 5px;
    top: 0.3rem;
  }

  .tab {
    font-size: 0.8rem;
    padding: 0.4rem;
  }

  .checkbox-container label {
    font-size: 0.8rem;
  }

  .event-card {
    font-size: 0.7rem;
    padding: 0.4rem;
    margin: 0.25rem 0;
  }
}

@media (max-width: 480px) {
  header {
    font-size: 1rem;
    padding: 0.3rem;
  }

  .tsv-link, #save-btn {
    font-size: 0.55rem;
    padding: 2px 4px;
  }

  .tab {
    font-size: 0.75rem;
    padding: 0.35rem;
  }

  .event-card {
    font-size: 0.65rem;
    padding: 0.35rem;
  }
}