/* DCP Reference Client Theme
   Curated HSL Color Scheme & Glassmorphism Design */

:root {
  --bg-color: #080c14;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  
  /* HSL Tailored Colors */
  --accent-purple: hsl(270, 75%, 60%);
  --accent-purple-glow: hsla(270, 75%, 60%, 0.15);
  --accent-blue: hsl(210, 80%, 55%);
  --accent-blue-glow: hsla(210, 80%, 55%, 0.15);
  --accent-green: hsl(140, 70%, 50%);
  
  --card-bg: rgba(13, 20, 35, 0.55);
  --card-border: rgba(255, 255, 255, 0.08);
  --input-bg: rgba(255, 255, 255, 0.03);
  --input-border: rgba(255, 255, 255, 0.12);
  
  --shadow-glow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --font-sans: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow: hidden;
  height: 100vh;
  position: relative;
}

/* Background Gradients */
.glow-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  mix-blend-mode: screen;
  animation: float 20s infinite alternate;
}

.blob-purple {
  background: var(--accent-purple);
  top: -10%;
  right: -10%;
}

.blob-blue {
  background: var(--accent-blue);
  bottom: -10%;
  left: -10%;
  animation-delay: 5s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(10%, 10%) scale(1.2); }
}

/* Glassmorphism General Card Styling */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  box-shadow: var(--shadow-glow);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

/* Onboarding Screen styling */
.app-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100vw;
  height: 100vh;
  padding: 24px;
}

.onboarding-card {
  width: 480px;
  max-width: 100%;
  padding: 40px;
  display: none;
  flex-direction: column;
  animation: fadeIn 0.5s ease-out forwards;
}

.onboarding-card.active {
  display: flex;
}

.brand {
  text-align: center;
  margin-bottom: 28px;
}

.logo-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 12px var(--accent-purple));
}

.gradient-text {
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

.onboarding-tabs {
  display: flex;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 4px;
  margin-bottom: 24px;
}

.tab-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 10px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.tab-btn.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.tab-content {
  display: none;
  flex-direction: column;
}

.tab-content.active {
  display: flex;
}

.tab-description {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 20px;
}

.mnemonic-display {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-purple);
  line-height: 1.8;
  text-align: center;
  user-select: all;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.input-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-group input, textarea {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 12px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  outline: none;
  transition: all 0.2s ease;
}

.input-group input:focus, textarea:focus {
  border-color: var(--accent-purple);
  background: rgba(255, 255, 255, 0.05);
}

textarea {
  min-height: 80px;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 14px;
  margin-bottom: 20px;
}

.primary-btn {
  background: linear-gradient(135deg, var(--accent-purple) 0%, hsl(280, 80%, 50%) 100%);
  color: white;
  border: none;
  padding: 14px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(168, 85, 247, 0.4);
}

.primary-btn:active {
  transform: translateY(1px);
}

/* Dashboard View styling */
.dashboard-grid {
  display: none; /* Shown dynamically */
  width: 100%;
  height: 100%;
  grid-template-columns: 280px 1fr 340px;
  grid-template-rows: 64px 1fr 220px;
  gap: 16px;
  max-width: 1400px;
  animation: fadeIn 0.4s ease-out forwards;
}

.dashboard-grid.active {
  display: grid;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

/* Header bar styling */
.main-header {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-icon {
  font-size: 24px;
}

.badge {
  background: var(--accent-purple-glow);
  border: 1px solid var(--accent-purple);
  color: var(--accent-purple);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
  margin-left: 6px;
  vertical-align: middle;
}

.user-identity-card {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-family: var(--font-mono);
}

.user-identity-card .name {
  font-weight: 600;
  color: var(--accent-purple);
  font-size: 14px;
}

.user-identity-card .key-meta {
  font-size: 11px;
  color: var(--text-secondary);
}

/* Sidebar styling */
.sidebar {
  grid-row: 2 / 4;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  overflow-y: auto;
}

.sidebar h3 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.contacts-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 120px;
  max-height: 240px;
  overflow-y: auto;
}

.contact-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.contact-item:hover, .contact-item.active {
  background: var(--accent-purple-glow);
  border-color: var(--accent-purple);
}

.contact-item .username {
  font-weight: 600;
  font-size: 14px;
}

.contact-item .id-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.contact-item .unread-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-purple);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-purple);
}

.empty-state {
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
  padding: 20px 0;
  font-style: italic;
}

.add-contact-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.add-contact-box input {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  padding: 10px;
  font-size: 12px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  outline: none;
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  padding: 10px;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Relay info box styling */
.relay-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.relay-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.03);
  padding: 10px;
  border-radius: 8px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.online {
  background-color: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
}

.relay-details {
  display: flex;
  flex-direction: column;
}

.relay-name {
  font-size: 12px;
  font-weight: 600;
}

.relay-stat {
  font-size: 10px;
  color: var(--text-secondary);
  margin-top: 1px;
}

.dht-lookup-box {
  margin-top: 12px;
  background: rgba(59, 130, 246, 0.05);
  border: 1px dashed rgba(59, 130, 246, 0.3);
  padding: 10px;
  border-radius: 8px;
  text-align: center;
}

.dht-badge {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
  margin-bottom: 2px;
}

.dht-info {
  font-size: 11px;
  color: var(--text-secondary);
}

/* Chat window area */
.chat-area {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-header {
  border-bottom: 1px solid var(--card-border);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 56px;
}

.empty-chat-header-text {
  color: var(--text-secondary);
  font-size: 14px;
}

.chat-header .title-name {
  font-weight: 600;
  font-size: 16px;
}

.chat-header .title-id {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.chat-header-meta {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.chat-header-meta span {
  background: rgba(255,255,255,0.04);
  padding: 2px 8px;
  border-radius: 4px;
}

.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.empty-chat-state {
  margin: auto;
  text-align: center;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.shield-icon {
  font-size: 40px;
  filter: drop-shadow(0 0 8px var(--accent-blue));
}

.empty-chat-state h3 {
  font-size: 16px;
  font-weight: 600;
}

.empty-chat-state p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.message-bubble {
  max-width: 70%;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.45;
  animation: slideUp 0.2s ease-out forwards;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.message-bubble.sent {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--accent-purple) 0%, hsl(275, 75%, 50%) 100%);
  border-bottom-right-radius: 2px;
}

.message-bubble.received {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255,255,255,0.04);
  border-bottom-left-radius: 2px;
}

.message-meta {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-mono);
}

.message-bubble.received .message-meta {
  color: var(--text-secondary);
}

.chat-input-area {
  border-top: 1px solid var(--card-border);
  padding: 16px;
  display: flex;
  gap: 12px;
}

.chat-input-area input {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}

.chat-input-area input:focus {
  border-color: var(--accent-purple);
}

.send-btn {
  background: var(--accent-purple);
  color: white;
  border: none;
  padding: 0 20px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.send-btn:hover {
  opacity: 0.9;
}

/* Bottom Panel: Onion routing visualizer */
.onion-panel {
  grid-column: 1 / 3;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}

.onion-panel h3 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

.onion-board-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255,255,255,0.03);
  border-radius: 8px;
  padding: 12px;
  gap: 8px;
  overflow: hidden;
}

.onion-svg {
  width: 100%;
  height: 80px;
}

.node-circle {
  fill: #0d1423;
  stroke: rgba(255,255,255,0.15);
  stroke-width: 2;
  transition: all 0.3s ease;
}

.sender-node {
  stroke: var(--accent-purple);
  fill: rgba(168, 85, 247, 0.05);
}

.recipient-node {
  stroke: var(--accent-blue);
  fill: rgba(59, 130, 246, 0.05);
}

.node-group:hover .node-circle {
  stroke-width: 3;
  filter: drop-shadow(0 0 6px rgba(255,255,255,0.2));
}

.node-label {
  fill: var(--text-primary);
  font-size: 11px;
  font-weight: 600;
}

.peeling-steps-log {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  height: 48px;
  overflow-y: auto;
}

.idle-peel-text {
  font-style: italic;
  color: rgba(255,255,255,0.3);
}

.peel-line {
  margin-bottom: 2px;
  animation: fadeIn 0.2s ease-out;
}

.peel-line .tag {
  color: var(--accent-purple);
  font-weight: 600;
  margin-right: 6px;
}

/* Right Panel: Console */
.console-panel {
  grid-row: 2 / 4;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.console-header {
  border-bottom: 1px solid var(--card-border);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.console-header h3 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

.tiny-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-secondary);
  padding: 3px 8px;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 11px;
  cursor: pointer;
}

.tiny-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
}

.console-log {
  flex: 1;
  background: rgba(0, 0, 0, 0.35);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: #a7f3d0; /* Soft emerald code text */
}

.console-line {
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-all;
  border-left: 2px solid transparent;
  padding-left: 8px;
}

.console-line.system {
  color: #94a3b8;
  border-left-color: #64748b;
}

.console-line.send {
  color: #c084fc;
  border-left-color: var(--accent-purple);
}

.console-line.recv {
  color: #60a5fa;
  border-left-color: var(--accent-blue);
}

.console-line.pow {
  color: #fbbf24;
  border-left-color: #fbbf24;
}

/* Compact settings controls styles */
.input-group-compact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.input-group-compact label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.input-group-compact select {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  padding: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 12px;
  outline: none;
  cursor: pointer;
  transition: all 0.2s ease;
}
.input-group-compact select:focus {
  border-color: var(--accent-purple);
  background: rgba(255, 255, 255, 0.05);
}
.input-group-compact select option {
  background: var(--bg-color);
  color: var(--text-primary);
}

/* Mailbox Badge */
.mailbox-badge {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--accent-blue);
  color: var(--accent-blue);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
  box-shadow: 0 0 6px var(--accent-blue-glow);
}

/* Real-Time Metrics Board */
.metrics-board {
  border-top: 1px solid var(--card-border);
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.15);
}
.metrics-board h4 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.metric-box {
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 6px;
  padding: 8px 4px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: border-color 0.2s ease;
}
.metric-box:hover {
  border-color: rgba(255, 255, 255, 0.1);
}
.metric-box .m-val {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-purple);
}
.metric-box .m-lbl {
  font-size: 9px;
  color: var(--text-secondary);
}

/* SVG Line score updates */
.circle-relay-low-score {
  stroke: #ef4444 !important; /* Red */
}
.circle-relay-high-score {
  stroke: var(--accent-green) !important;
}

/* Animations and Responsive Elements */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}