/* 
  WebRTC SDP Parser Styles 
*/
:root {
  --bg-color: #0C1222;
  --panel-bg: #111827;
  --panel-border: #1F2937;
  --primary: #0EA5E9;
  --secondary: #38BDF8;
  --accent: #22D3EE;
  --text-main: #F3F4F6;
  --text-muted: #9CA3AF;
  --error: #EF4444;
  --success: #10B981;
  
  --font-mono: 'JetBrains Mono', monospace;
  --border-radius: 8px;
}

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

body {
  font-family: var(--font-mono);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: var(--panel-bg);
  border-bottom: 1px solid var(--panel-border);
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  text-shadow: 0 0 10px rgba(14, 165, 233, 0.3);
}

.controls {
  display: flex;
  gap: 1rem;
}

#searchInput {
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--panel-border);
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  width: 250px;
}

#searchInput:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}

.btn {
  background-color: var(--panel-border);
  color: var(--text-main);
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.btn:hover {
  background-color: var(--primary);
  color: white;
}

main {
  flex: 1;
  display: grid;
  padding: 1rem;
  gap: 1rem;
  overflow: hidden;
}

main.single-mode {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr;
}

main.diff-mode {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.panel {
  background-color: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--panel-border);
  background-color: rgba(0, 0, 0, 0.2);
}

.panel-header h2 {
  font-size: 1rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge {
  font-size: 0.75rem;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  background-color: var(--panel-border);
  color: var(--text-muted);
}

.badge.offer { background-color: rgba(34, 211, 238, 0.2); color: var(--accent); border: 1px solid var(--accent); }
.badge.answer { background-color: rgba(16, 185, 129, 0.2); color: var(--success); border: 1px solid var(--success); }

textarea {
  flex: 1;
  width: 100%;
  resize: none;
  background-color: transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  border: none;
  padding: 1rem;
  line-height: 1.5;
}

textarea:focus {
  outline: none;
  color: var(--text-main);
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--panel-border);
  background-color: rgba(0, 0, 0, 0.2);
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.75rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background-color: rgba(14, 165, 233, 0.1);
}

.tab-content {
  flex: 1;
  overflow: auto;
  padding: 1rem;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hidden {
  display: none !important;
}

/* Tree View Styling */
.tree-node {
  margin-left: 1rem;
  margin-top: 0.25rem;
  border-left: 1px dashed var(--panel-border);
  padding-left: 0.5rem;
}

.tree-node-title {
  cursor: pointer;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tree-node-title::before {
  content: '▼';
  font-size: 0.7rem;
  display: inline-block;
  transition: transform 0.2s;
}

.tree-node.collapsed > .tree-node-title::before {
  transform: rotate(-90deg);
}

.tree-node.collapsed > .tree-node-content {
  display: none;
}

.tree-item {
  margin-left: 1.5rem;
  margin-top: 0.2rem;
  color: var(--text-main);
  font-size: 0.85rem;
}

.tree-key {
  color: var(--secondary);
}

.tree-value {
  color: var(--text-muted);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

th, td {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px solid var(--panel-border);
}

th {
  color: var(--accent);
  font-weight: normal;
  position: sticky;
  top: 0;
  background-color: var(--panel-bg);
}

tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Badges for ICE / Codecs */
.type-badge {
  display: inline-block;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  font-size: 0.7rem;
  background-color: rgba(255, 255, 255, 0.1);
}
.type-host { color: #34D399; background: rgba(52, 211, 153, 0.1); }
.type-srflx { color: #60A5FA; background: rgba(96, 165, 250, 0.1); }
.type-relay { color: #F87171; background: rgba(248, 113, 113, 0.1); }

/* History Modal */
.modal {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(12, 18, 34, 0.8);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 1rem;
  border-bottom: 1px solid var(--panel-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#closeHistoryBtn {
  background: none; border: none; color: var(--text-muted); font-size: 1.5rem; cursor: pointer;
}

#closeHistoryBtn:hover {
  color: var(--error);
}

#historyList {
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.history-item {
  padding: 0.75rem;
  background-color: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.history-item:hover {
  border-color: var(--primary);
}

.history-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Toast */
#toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--primary);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 2000;
}

#toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
  background: var(--panel-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary);
}