:root {
  --bg-color: #0d1117;
  --panel-color: #161b22;
  --text-color: #c9d1d9;
  --accent-color: #58a6ff;
  --font-family: 'Courier New', Courier, monospace;
  --bg-image: none;
  --bg-blur: 0px;
  --panel-opacity: 0.92;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  color: var(--text-color);
  font-family: var(--font-family);
  background-color: var(--bg-color);
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body::before {
  content: '';
  position: fixed;
  inset: -40px;
  background-image: var(--bg-image);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(var(--bg-blur));
  z-index: -1;
}

button { font-family: inherit; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 12px 18px;
  background: rgba(0,0,0,0.25);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.updated-timer {
  font-size: 12px;
  opacity: 0.7;
  min-width: 90px;
  text-align: right;
}

.btn {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-color);
  padding: 7px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { background: rgba(255,255,255,0.12); }
.btn-ghost { background: transparent; }
.btn-small { padding: 5px 10px; font-size: 12px; }
.btn-primary { border-color: var(--accent-color); color: var(--accent-color); }
.btn-primary:hover { background: rgba(88,166,255,0.12); }
.btn-danger { border-color: #f85149; color: #f85149; }
.btn-danger:hover { background: rgba(248,81,73,0.12); }
.btn.active { background: var(--accent-color); color: #0d1117; border-color: var(--accent-color); }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 18px;
  background: rgba(0,0,0,0.15);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.tab-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-color);
  padding: 6px 16px;
  border-radius: 4px 4px 0 0;
  cursor: pointer;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.tab-btn:hover { background: rgba(255,255,255,0.09); }
.tab-btn.active {
  background: var(--panel-color);
  border-bottom: 2px solid var(--accent-color);
  color: var(--accent-color);
}
.tabs-empty {
  font-size: 12px;
  opacity: 0.6;
  padding: 4px 0;
}

.viewer-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 14px 18px;
  min-height: 0;
}

.empty-state {
  margin: auto;
  text-align: center;
  opacity: 0.6;
  font-size: 14px;
  line-height: 1.6;
}

.log-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.active-channel-label {
  font-size: 13px;
  opacity: 0.75;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.log-toolbar-actions { display: flex; gap: 8px; }

.log-pane {
  flex: 1;
  min-height: 0;
  background: rgba(22,27,34, var(--panel-opacity));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  overflow-y: auto;
  position: relative;
}

.load-older-sentinel {
  height: 1px;
}

.log-content {
  margin: 0;
  padding: 14px 16px;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 13px;
  line-height: 1.5;
  font-family: var(--font-family);
}

.hidden { display: none !important; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal-box {
  background: var(--panel-color);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 20px 22px;
  width: 320px;
  max-width: 90vw;
}

.modal-box-wide { width: 480px; }

.modal-box h3 { margin: 0 0 6px 0; font-size: 15px; }

.modal-hint { font-size: 12px; opacity: 0.65; margin: 6px 0 12px 0; }

.modal input[type="password"],
.modal input[type="text"],
#css-raw {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-color);
  padding: 8px 10px;
  border-radius: 5px;
  font-size: 13px;
  font-family: inherit;
}

#css-raw { resize: vertical; margin-top: 4px; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

.modal-error {
  color: #f85149;
  font-size: 12px;
  margin-top: 10px;
}

.css-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 14px;
  font-size: 12px;
}

.css-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  opacity: 0.85;
}

.css-grid input, .css-grid select {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-color);
  border-radius: 5px;
  padding: 5px 6px;
  font-size: 12px;
}

.css-grid input[type="color"] {
  padding: 2px;
  height: 30px;
}

.color-pair {
  display: flex;
  gap: 6px;
}
.color-pair input[type="color"] {
  width: 40px;
  flex: 0 0 40px;
  padding: 2px;
}
.hex-input {
  flex: 1;
  min-width: 0;
  font-family: 'Courier New', monospace;
  text-transform: lowercase;
}

/* scrollbar */
.log-pane::-webkit-scrollbar { width: 10px; }
.log-pane::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 6px; }
.log-pane::-webkit-scrollbar-track { background: transparent; }

/* CSS editor docks to the side with no dark backdrop, so live preview
   changes happening behind it are actually visible while editing */
#modal-css {
  background: transparent;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 70px 20px 20px 20px;
  pointer-events: none;
}
#modal-css .modal-box {
  pointer-events: auto;
  box-shadow: 0 8px 30px rgba(0,0,0,0.6);
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}