/* WebTeleport CSS Variable System & Foundations */
:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #131a2b;
  --bg-glass: rgba(20, 30, 54, 0.65);
  --border-glass: rgba(255, 255, 255, 0.07);
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Roboto Mono', monospace;
  --shadow-glow: 0 0 25px rgba(6, 182, 212, 0.15);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 10% 10%, rgba(6, 182, 212, 0.08) 0px, transparent 50%),
    radial-gradient(at 90% 90%, rgba(59, 130, 246, 0.08) 0px, transparent 50%);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
  line-height: 1.5;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Container */
.app-container {
  width: 100%;
  max-width: 1000px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-glass);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-pulse {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan);
  animation: logo-glow 2s infinite ease-in-out;
}

@keyframes logo-glow {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 18px var(--accent-cyan); }
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text span {
  color: var(--accent-cyan);
  -webkit-text-fill-color: var(--accent-cyan);
}

/* Status Badge */
.status-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  transition: var(--transition-smooth);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transition: var(--transition-smooth);
}

/* Status variants */
.status-badge.disconnected .status-dot { background: var(--text-secondary); }
.status-badge.connecting {
  border-color: rgba(245, 158, 11, 0.3);
  background: rgba(245, 158, 11, 0.05);
}
.status-badge.connecting .status-dot {
  background: #f59e0b;
  animation: pulse-connecting 1s infinite alternate;
}
.status-badge.connected {
  border-color: rgba(16, 185, 129, 0.3);
  background: rgba(16, 185, 129, 0.05);
}
.status-badge.connected .status-dot {
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}
.status-badge.error {
  border-color: rgba(244, 63, 94, 0.3);
  background: rgba(244, 63, 94, 0.05);
}
.status-badge.error .status-dot { background: var(--accent-rose); }

@keyframes pulse-connecting {
  0% { opacity: 0.4; }
  100% { opacity: 1; }
}

/* Screens */
.screen {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  animation: fade-in 0.4s ease-out forwards;
}

.screen.active {
  display: flex;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & Glassmorphism */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-icon {
  width: 20px;
  height: 20px;
  color: var(--accent-cyan);
}

.card-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

/* Connect Screen styling */
.connect-card {
  text-align: center;
  max-width: 480px;
  margin: 2rem auto;
  box-shadow: var(--shadow-glow), 0 10px 30px rgba(0, 0, 0, 0.25);
}

.qr-wrapper {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 1.5rem auto;
  background: #ffffff;
  padding: 10px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.qrcode-box img {
  display: block;
  max-width: 100%;
}

.loader-ring {
  position: absolute;
  width: 40px;
  height: 40px;
  border: 3px solid rgba(6, 182, 212, 0.2);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 1s infinite linear;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.link-share-box {
  margin-top: 1.5rem;
  text-align: left;
}

.link-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.link-input-group {
  display: flex;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 0.25rem;
}

.link-input-group input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.join-alternative-box {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-glass);
  text-align: left;
}

.alternative-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* File Drop Zone */
.drop-zone {
  border: 2px dashed var(--border-glass);
  border-radius: 12px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.01);
  transition: var(--transition-smooth);
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.05);
  box-shadow: inset 0 0 15px rgba(6, 182, 212, 0.05);
}

.drop-zone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.upload-icon {
  width: 48px;
  height: 48px;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.drop-zone:hover .upload-icon, .drop-zone.dragover .upload-icon {
  color: var(--accent-cyan);
  transform: translateY(-4px);
}

.drop-text-primary {
  font-weight: 600;
  font-size: 0.95rem;
}

.drop-text-secondary {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.hidden-input {
  display: none;
}

/* Clipboard Sync Component */
.clipboard-box {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 220px;
}

.clipboard-box textarea {
  flex: 1;
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 1rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  resize: none;
  outline: none;
  transition: var(--transition-smooth);
}

.clipboard-box textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.1);
}

.clipboard-actions {
  display: flex;
  gap: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 8px;
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition-smooth);
  font-family: inherit;
}

.btn-icon {
  width: 16px;
  height: 16px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.2);
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
}

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

.btn-text {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.25rem 0.5rem;
}

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

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

.flex-1 {
  flex: 1;
}

/* History Card */
.history-card {
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-glass);
}

.history-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 300px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.history-empty {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 2rem 0;
}

/* History Item Row */
.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-glass);
  animation: slide-in 0.3s ease-out forwards;
}

@keyframes slide-in {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

.history-item-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 0; /* allows text truncation */
}

.direction-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  flex-shrink: 0;
}

.direction-icon.incoming {
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.05);
}

.direction-icon.outgoing {
  color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
}

.direction-icon-svg {
  width: 16px;
  height: 16px;
}

.item-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.item-name {
  font-size: 0.9rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.item-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  gap: 0.5rem;
}

.history-item-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: 1rem;
}

/* Progress bar inside history item */
.progress-bar-container {
  width: 100px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  width: 0%;
  transition: width 0.1s linear;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 15, 25, 0.7);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 100;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  max-width: 400px;
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  animation: modal-pop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes modal-pop {
  from { transform: scale(0.9) translateY(10px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 600;
}

.modal-body {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* PWA Install Banner */
.install-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(150px);
  width: calc(100% - 3rem);
  max-width: 480px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  z-index: 90;
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.install-banner.active {
  transform: translateX(-50%) translateY(0);
}

.install-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.install-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--bg-primary);
}

.install-title {
  font-size: 0.9rem;
  font-weight: 600;
}

.install-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.install-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}