/*----------------------------------------------------------------------------------*/
/*  UVC / UAC Display & Virtual Output Controller - Modern Style System (V1R2_3)  */
/*----------------------------------------------------------------------------------*/


:root {
  --bg-primary: #000000;
  --bg-card: rgba(22, 30, 46, 0.7);
  --bg-card-hover: rgba(30, 42, 65, 0.85);
  --border-color: rgba(255, 255, 255, 0.12);
  --border-focus: #00e5ff;

  --text-primary: #f0f4f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #00e5ff;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-amber: #f59e0b;

  --glass-backdrop: blur(12px);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-main: 0 10px 30px -5px rgba(0, 0, 0, 0.5);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(circle at 15% 15%, rgba(0, 229, 255, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(139, 92, 246, 0.05) 0%, transparent 40%);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  padding: 1.5rem;
  line-height: 1.5;
}

/* Header & Title Bar */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  height: 42px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(10, 14, 23, 0.5));
}

.app-title {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.5px;
}

.version-badge {
  background: rgba(0, 229, 255, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 229, 255, 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Main Layout Grid */
.main-container {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 1.5rem;
  max-width: 1800px;
  margin: 0 auto;
}

/* Theater Mode Layout (YouTube style full-width stage) */
.main-container.theater-mode {
  grid-template-columns: 1fr;
  max-width: 100%;
}

.main-container.theater-mode .stage-container {
  order: -1;
  width: 100%;
}

.main-container.theater-mode .video-wrapper {
  max-height: 88vh;
  width: 100%;
}

.main-container.theater-mode .sidebar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.main-container.theater-mode .sidebar>.panel-card:first-child {
  grid-column: 1 / -1;
}

.main-container.theater-mode .sidebar .panel-card {
  margin-bottom: 0;
}

@media (max-width: 1100px) {
  .main-container {
    grid-template-columns: 1fr;
  }

  .main-container.theater-mode .sidebar {
    grid-template-columns: 1fr;
  }
}

/* Card Containers */
.panel-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-main);
  margin-bottom: 1.25rem;
}

.panel-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* Form Controls */
.form-group {
  margin-bottom: 1rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-select,
.form-input {
  width: 100%;
  background: rgba(10, 14, 23, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
  transition: all 0.2s ease;
}

.form-select:focus,
.form-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
}

.form-row {
  display: flex;
  gap: 0.75rem;
}

.form-row .form-group {
  flex: 1;
}

/* Custom Device Name Highlight */
.virtual-device-input {
  border-color: rgba(139, 92, 246, 0.4);
  background: rgba(139, 92, 246, 0.08);
}

.virtual-device-input:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

/* Buttons */
.btn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.6rem;
  margin-top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue) 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #60a5fa 0%, var(--accent-blue) 100%);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  background: linear-gradient(135deg, #34d399 0%, var(--accent-green) 100%);
  transform: translateY(-1px);
}

.btn-purple {
  background: linear-gradient(135deg, var(--accent-purple) 0%, #7c3aed 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-purple:hover {
  background: linear-gradient(135deg, #a78bfa 0%, var(--accent-purple) 100%);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-danger {
  background: linear-gradient(135deg, var(--accent-red) 0%, #dc2626 100%);
  color: #ffffff;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #f87171 0%, var(--accent-red) 100%);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Video Stage Area */
.stage-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.video-wrapper {
  position: relative;
  width: 100%;
  max-height: 82vh;
  background: #000000;
  border-radius: 0;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
}

.main-video {
  width: 100%;
  height: 100%;
  max-height: 82vh;
  object-fit: contain;
  display: block;
}

/* OSD Overlay Badge */
.video-osd {
  position: absolute;
  top: 15px;
  left: 15px;
  background: rgba(10, 14, 23, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 10;
  pointer-events: none;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.status-dot.offline {
  background: var(--accent-red);
  box-shadow: 0 0 8px var(--accent-red);
}

/* Audio VU Level Meter */
.vu-meter-container {
  margin-top: 0.75rem;
}

.vu-meter-bar {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 5px;
  overflow: hidden;
  position: relative;
}

.vu-meter-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-green) 0%, var(--accent-amber) 75%, var(--accent-red) 100%);
  transition: width 0.15s ease-out, filter 0.2s ease, opacity 0.2s ease;
}

.vu-meter-fill.is-muted {
  filter: grayscale(100%) opacity(0.45);
}

/* Stream Diagnostics Info Panel */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.info-item {
  background: rgba(10, 14, 23, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
}

.info-item-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.info-item-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
}

/* Clean Feed Popout Window Specific CSS */
body.clean-feed-mode {
  padding: 0;
  margin: 0;
  background: #000000;
  overflow: hidden;
}

body.clean-feed-mode .main-container,
body.clean-feed-mode .app-header {
  display: none !important;
}

body.clean-feed-mode .clean-feed-stage {
  display: block;
  width: 100vw;
  height: 100vh;
}

body.clean-feed-mode video,
body.clean-feed-mode canvas {
  width: 100vw;
  height: 100vh;
  object-fit: contain;
}

/* Subdued Discreet Footer */
.app-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  text-align: right;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-version {
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.4;
  letter-spacing: 0.5px;
}

/* Tooltip Hover Component for Permission Notice */
.tooltip-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: auto;
  cursor: pointer;
}

.tooltip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.5);
  font-size: 0.75rem;
  font-weight: bold;
  line-height: 1;
  transition: all 0.2s ease;
}

.tooltip-wrapper:hover .tooltip-icon {
  background: var(--accent-amber);
  color: #000000;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.tooltip-popup {
  visibility: hidden;
  opacity: 0;
  width: 260px;
  background: #1e293b;
  color: #f8fafc;
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.4;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  position: absolute;
  bottom: 130%;
  right: 0;
  z-index: 100;
  pointer-events: none;
  transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateY(5px);
}

.tooltip-popup::after {
  content: "";
  position: absolute;
  top: 100%;
  right: 6px;
  border-width: 6px;
  border-style: solid;
  border-color: #1e293b transparent transparent transparent;
}

.tooltip-wrapper:hover .tooltip-popup {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

/* Fullscreen Mode - Full Screen Expansion without Black Borders */
:fullscreen,
:-webkit-full-screen {
  background-color: #000000;
  width: 100vw !important;
  height: 100vh !important;
}

:fullscreen video,
:fullscreen .main-video,
video:fullscreen,
:-webkit-full-screen video,
:-webkit-full-screen .main-video {
  width: 100vw !important;
  height: 100vh !important;
  max-width: 100vw !important;
  max-height: 100vh !important;
  object-fit: cover !important;
}