:root {
  --tv-bg: #FFFFFF;
  --tv-text: #000000;
  --tv-blue: #176aab;
  --tv-blue-dark: #0f4f84;
  --tv-gray: #eef2f7;
  --tv-gray-dark: #64748b;
  --tv-border: #000000;
  --font-sans: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --tv-bg: #05070D;
    --tv-text: #FFFFFF;
    --tv-gray: #172b45;
    --tv-gray-dark: #9eacbc;
    --tv-border: #FFFFFF;
  }
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--tv-bg);
  color: var(--tv-text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

.qr-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 1.5rem;
  max-width: 600px;
  margin: 0 auto;
}

.qr-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--tv-text);
  margin-bottom: 2rem;
}

.qr-brand {
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--tv-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  flex-direction: column;
}

.qr-brand span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--tv-blue);
  letter-spacing: 0;
  text-transform: none;
}

.qr-zone {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: bold;
  border: 1px solid var(--tv-text);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.qr-main {
  flex-grow: 1;
}

h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-top: 0;
  margin-bottom: 0.5rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--tv-blue);
  margin-bottom: 1.5rem;
}

.support-text {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  color: var(--tv-text);
}

.qr-section {
  margin-bottom: 2rem;
}

.qr-section h2 {
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  font-weight: 800;
}

.qr-section p {
  margin-top: 0;
  color: var(--tv-gray-dark);
  line-height: 1.5;
}

.qr-action-primary {
  display: block;
  width: 100%;
  background-color: var(--tv-blue);
  color: #FFFFFF;
  text-align: center;
  padding: 1.25rem;
  font-size: 1.125rem;
  font-weight: 700;
  text-decoration: none;
  border: none;
  border-radius: 8px;
  margin-bottom: 1rem;
  cursor: pointer;
  touch-action: manipulation;
  box-sizing: border-box;
}

.qr-action-primary:hover, .qr-action-primary:active {
  background-color: var(--tv-blue-dark);
}

.qr-action-secondary {
  display: block;
  width: 100%;
  background-color: transparent;
  color: var(--tv-text);
  text-align: center;
  padding: 1.25rem;
  font-size: 1.125rem;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--tv-text);
  border-radius: 8px;
  margin-bottom: 2rem;
  cursor: pointer;
  touch-action: manipulation;
  box-sizing: border-box;
}

.qr-card {
  border: 2px solid var(--tv-text);
  padding: 1.5rem;
  margin-bottom: 1rem;
  border-radius: 8px;
  background-color: var(--tv-bg);
  cursor: pointer;
  text-decoration: none;
  display: block;
  color: var(--tv-text);
  box-sizing: border-box;
}

.qr-card:hover {
  background-color: var(--tv-gray);
}

.qr-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.qr-card p {
  margin: 0;
  font-size: 1rem;
  color: var(--tv-gray-dark);
}

.qr-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--tv-text);
  text-align: center;
}

.qr-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.qr-nav a {
  color: var(--tv-text);
  text-decoration: none;
  padding: 0.5rem;
}

.qr-nav a.active {
  color: var(--tv-blue);
  border-bottom: 2px solid var(--tv-blue);
}

.qr-legal {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.qr-legal a {
  color: var(--tv-gray-dark);
  text-decoration: underline;
}

/* Specific Activate UI */
.camera-container {
  width: 100%;
  aspect-ratio: 3/4;
  background-color: #111;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  margin-bottom: 1rem;
  display: none;
  box-sizing: border-box;
  border: 2px solid var(--tv-text);
}

.camera-container.active {
  display: block;
}

#camera-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: #000;
}

.camera-overlay {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.status-indicator {
  background-color: rgba(0,0,0,0.7);
  color: #FFF;
  padding: 0.5rem 1rem;
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(255,255,255,0.2);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #F59E0B; /* Default warning/connecting */
}

.status-dot.live {
  background-color: #10B981;
}
.status-dot.ended {
  background-color: #EF4444;
}

.btn-stop {
  background-color: #EF4444;
  color: #FFF;
  border: none;
  border-radius: 8px;
  padding: 1.25rem;
  font-size: 1.25rem;
  font-weight: 800;
  width: 100%;
  cursor: pointer;
  display: none;
  margin-top: 1rem;
  box-sizing: border-box;
}

.btn-stop.active {
  display: block;
}

.camera-switch {
  background: rgba(0,0,0,0.7);
  border: 1px solid rgba(255,255,255,0.5);
  color: #FFF;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
}

.error-message {
  color: #EF4444;
  background: rgba(239, 68, 68, 0.1);
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: none;
  font-weight: 500;
  border: 1px solid #EF4444;
}

.consent-box {
  background-color: var(--tv-gray);
  padding: 1.5rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  border: 1px solid var(--tv-text);
}

.consent-box ul {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.consent-box li {
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.hidden {
  display: none !important;
}

/* Form Styles */
.qr-form-group {
  margin-bottom: 1.5rem;
}
.qr-label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.qr-input {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--tv-text);
  border-radius: 8px;
  background-color: var(--tv-bg);
  color: var(--tv-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  box-sizing: border-box;
}
.qr-input:focus {
  outline: none;
  border-color: var(--tv-blue);
  box-shadow: 0 0 0 3px rgba(23, 106, 171, 0.2);
}