/* Zip - Modern Dark Theme Styles */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --text-muted: #555566;
  --accent: #00ffaa;
  --accent-glow: rgba(0, 255, 170, 0.3);
  --accent-dim: #00cc88;
  --error: #ff4466;
  --error-glow: rgba(255, 68, 102, 0.3);
  --warning: #ffaa00;
  --border: #252535;
  --border-light: #333345;
  
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--accent-glow);
}

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

html, body {
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(ellipse at top, rgba(0, 255, 170, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(100, 100, 255, 0.03) 0%, transparent 50%);
}

/* Container */
.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 2rem;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.account-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  transition: all 0.2s ease;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
}

.account-link:hover,
.account-link.active {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(0, 255, 170, 0.05);
}

.account-link svg {
  opacity: 0.7;
}

.account-link:hover svg,
.account-link.active svg {
  opacity: 1;
}

/* Header Navigation */
.header-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Footer Links */
.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 0.75rem;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--accent);
}

.logo-link {
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s ease;
}

.logo-link:hover {
  transform: scale(1.02);
}

.logo-link:active {
  transform: scale(0.98);
}

.logo {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.blink {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.tagline {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: lowercase;
}

/* Main Content */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--border-light);
}

/* Status Indicator */
.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: all 0.3s ease;
}

.dot.waiting {
  background: var(--warning);
  box-shadow: 0 0 10px rgba(255, 170, 0, 0.5);
  animation: pulse 2s ease-in-out infinite;
}

.dot.connecting {
  background: var(--warning);
  box-shadow: 0 0 10px rgba(255, 170, 0, 0.5);
  animation: pulse 1s ease-in-out infinite;
}

.dot.connected {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.dot.error {
  background: var(--error);
  box-shadow: 0 0 10px var(--error-glow);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

/* QR Code Section */
#qr-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 1.5rem auto;
  width: 100%;
  text-align: center;
}

.qr-wrapper {
  display: inline-block;
  background: #0d0d14;
  border-radius: 12px;
  box-shadow: 0 0 40px rgba(0, 255, 170, 0.3);
  width: 185px;
  height: 185px;
  margin: 0 auto;
  box-sizing: border-box;
  line-height: 0;
  overflow: hidden;
  position: relative;
}

.qr-wrapper canvas {
  display: block;
  width: 200px;
  height: 200px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-44%, -44%);
}

.qr-placeholder {
  width: 212px;
  height: 212px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #0d0d14;
  border-radius: 16px;
  box-shadow: 0 0 40px rgba(0, 255, 170, 0.3);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.instruction {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

.session-id {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Code Display (Desktop) */
.code-display {
  margin-top: 1.5rem;
  text-align: center;
}

.code-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.session-code {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--bg-secondary);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  display: inline-block;
  user-select: all;
  cursor: pointer;
  text-transform: lowercase;
}

.session-code:hover {
  background: var(--bg-card-hover);
}

/* Mobile View */
#mobile-view h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

.mobile-icon {
  text-align: center;
  color: var(--accent);
  margin-bottom: 1rem;
}

.mobile-instruction {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

/* Code Input */
.code-input-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.code-input {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  text-align: center;
  letter-spacing: 0.15em;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s ease;
  text-transform: lowercase;
}

.code-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.code-input::placeholder {
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: normal;
}

.mobile-error {
  text-align: center;
  color: var(--error);
  font-size: 0.875rem;
  margin-top: 1rem;
}

/* URL Display (legacy) */
.url-display {
  margin-top: 1.5rem;
  text-align: center;
}

.url-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.url-code {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--bg-secondary);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  word-break: break-all;
  user-select: all;
  cursor: pointer;
}

.url-code:hover {
  background: var(--bg-card-hover);
}

/* QR Error */
.qr-error {
  width: 256px;
  height: 256px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  color: var(--text-secondary);
}

.qr-error p {
  margin: 0.25rem 0;
}

.qr-error-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* QR Fallback (legacy) */
.qr-fallback {
  text-align: center;
  padding: 2rem;
}

.qr-fallback p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.qr-fallback code {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: var(--radius);
  word-break: break-all;
}

/* Transfer Section */
.transfer-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.file-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  color: var(--accent);
}

.file-icon.sending {
  animation: pulse-icon 2s ease-in-out infinite;
}

@keyframes pulse-icon {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.file-details {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.25rem;
}

.file-size {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Progress Bar */
.progress-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.progress-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  border-radius: 4px;
  transition: width 0.3s ease;
  box-shadow: 0 0 10px var(--accent-glow);
}

.progress-text {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent);
  min-width: 45px;
  text-align: right;
}

.transfer-status {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-align: center;
}

/* Complete Section */
#complete-section {
  text-align: center;
}

.success-icon {
  color: var(--accent);
  margin-bottom: 1.5rem;
  animation: success-pop 0.5s ease-out;
}

@keyframes success-pop {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

#complete-section h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.complete-filename,
.complete-message {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Error Section */
#error-section {
  text-align: center;
}

.error-icon {
  color: var(--error);
  margin-bottom: 1.5rem;
}

#error-section h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.error-message {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--bg-primary);
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn:hover {
  background: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn:active {
  transform: translateY(0);
}

/* Upload Area (Sender) */
.upload-area {
  position: relative;
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--bg-secondary);
}

.upload-area:hover {
  border-color: var(--accent);
  background: rgba(0, 255, 170, 0.02);
}

.upload-area:active {
  transform: scale(0.98);
}

.upload-area input[type="file"] {
  display: none;
}

/* Clean file selection area - iOS compatible */
.file-select-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
  text-align: center;
}

.file-select-icon {
  color: var(--accent);
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.file-select-btn {
  display: inline-block;
  cursor: pointer;
}

.file-select-btn input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.file-select-btn span {
  display: inline-block;
  background: var(--accent);
  color: var(--bg-primary);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  padding: 1rem 2.5rem;
  border-radius: var(--radius);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s ease;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.file-select-btn:hover span,
.file-select-btn:active span {
  background: var(--accent-dim);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px var(--accent-glow);
}

.file-select-btn:active span {
  transform: translateY(0);
}

.file-select-hint {
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.debug-text {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--accent);
  font-family: var(--font-mono);
  text-align: center;
  min-height: 1.25rem;
  opacity: 0.8;
}

.upload-content {
  pointer-events: none;
}

.upload-icon {
  color: var(--accent);
  margin-bottom: 1rem;
  transition: transform 0.3s ease;
}

.upload-area:hover .upload-icon {
  transform: translateY(-5px);
}

.upload-text {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.upload-hint {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Connecting Animation */
.connecting-animation {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 2rem auto;
}

.pulse-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80px;
  height: 80px;
  margin: -40px 0 0 -40px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  animation: pulse-ring 2s ease-out infinite;
  opacity: 0;
}

.pulse-ring.delay-1 {
  animation-delay: 0.5s;
}

.pulse-ring.delay-2 {
  animation-delay: 1s;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.5);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* Footer */
footer {
  text-align: center;
  padding: 1.5rem 0;
  margin-top: auto;
}

footer p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Hidden State */
.hidden {
  display: none !important;
}

/* Responsive */
@media (max-width: 480px) {
  .container {
    padding: 1.5rem 1rem;
  }
  
  .logo {
    font-size: 2.5rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .upload-area {
    padding: 2rem 1.5rem;
  }
}

/* Sender Page Specific */
.sender-page {
  background-image: 
    radial-gradient(ellipse at bottom, rgba(0, 255, 170, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at top left, rgba(100, 100, 255, 0.03) 0%, transparent 50%);
}

/* Safe area for mobile */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .container {
    padding-bottom: calc(2rem + env(safe-area-inset-bottom));
  }
}

/* Usage Indicator */
.usage-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.usage-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.625rem;
}

.usage-badge.pro {
  background: rgba(0, 255, 170, 0.15);
  color: var(--accent);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 400px;
  width: 100%;
  box-shadow: var(--shadow);
  animation: modal-enter 0.3s ease;
}

@keyframes modal-enter {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-content h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

.modal-subtitle {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 1.5rem;
}

.modal-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-option {
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  text-align: center;
}

.modal-option.highlight {
  background: rgba(0, 255, 170, 0.05);
  border: 1px solid var(--accent);
}

.option-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.option-desc {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.modal-divider {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.modal-btn {
  margin-top: 1rem;
  width: 100%;
  text-decoration: none;
}

.modal-close {
  display: block;
  width: 100%;
  margin-top: 1rem;
  padding: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s ease;
}

.modal-close:hover {
  color: var(--text-secondary);
}

/* Enhanced Modal Styles */
.modal-icon {
  text-align: center;
  margin-bottom: 1rem;
  color: var(--accent);
}

.modal-icon.pro {
  color: #ffd700;
}

.modal-icon.warning {
  color: var(--warning);
}

.safari-warning-options {
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  text-align: center;
}

.safari-option-note {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
}

.safari-option-note strong {
  color: var(--accent);
}

.modal-upgrade-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
  text-align: center;
  transition: all 0.2s ease;
}

.modal-upgrade-card:hover {
  border-color: var(--accent);
}

.modal-upgrade-card.pro {
  border-color: rgba(255, 215, 0, 0.3);
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), transparent);
}

.modal-upgrade-card.pro:hover {
  border-color: #ffd700;
}

.upgrade-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  background: var(--accent);
  color: var(--bg-primary);
  margin-bottom: 0.75rem;
}

.upgrade-badge.pro {
  background: linear-gradient(135deg, #ffd700, #ffaa00);
  color: #1a1a1a;
}

.modal-upgrade-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.upgrade-benefit {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.upgrade-benefit strong {
  color: var(--accent);
}

.modal-upgrade-card.pro .upgrade-benefit strong {
  color: #ffd700;
}

.upgrade-features {
  list-style: none;
  text-align: left;
  margin-bottom: 1.25rem;
}

.upgrade-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.upgrade-features svg {
  color: var(--accent);
  flex-shrink: 0;
}

.modal-upgrade-card.pro .upgrade-features svg {
  color: #ffd700;
}

.modal-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.modal-btn-primary:hover {
  background: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.modal-upgrade-card.pro .modal-btn-primary {
  background: linear-gradient(135deg, #ffd700, #ffaa00);
  color: #1a1a1a;
}

.modal-upgrade-card.pro .modal-btn-primary:hover {
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
}

.modal-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.modal-btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.pricing-options {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.pricing-options .modal-btn-primary {
  flex: 1.5;
}

.pricing-options .modal-btn-secondary {
  flex: 1;
}

.save-badge {
  font-size: 0.625rem;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  margin-left: 0.25rem;
}

.modal-pro-teaser {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.modal-pro-teaser a {
  color: #ffd700;
  text-decoration: none;
}

.modal-pro-teaser a:hover {
  text-decoration: underline;
}

.modal-wait-option {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* Desktop Usage Indicator */
.desktop-usage {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.usage-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.usage-info span {
  color: var(--text-secondary);
}

.usage-upgrade-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
}

.usage-upgrade-link:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

.usage-bar-mini {
  height: 4px;
  background: var(--bg-secondary);
  border-radius: 2px;
  overflow: hidden;
}

.usage-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.usage-bar-fill.warning {
  background: var(--warning);
}

/* Mode Switch */
.mode-switch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.mode-switch-divider {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: lowercase;
}

.mode-switch-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
}

.mode-switch-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(0, 255, 170, 0.05);
}

.mode-switch-btn:active {
  transform: scale(0.98);
}

.mode-switch-btn svg {
  opacity: 0.7;
}

.mode-switch-btn:hover svg {
  opacity: 1;
}

/* Mobile QR Container */
.mobile-qr-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 1.5rem auto;
  width: 100%;
  text-align: center;
}

.qr-wrapper.mobile {
  display: inline-block;
  background: #0d0d14;
  border-radius: 10px;
  box-shadow: 0 0 30px rgba(0, 255, 170, 0.25);
  width: 148px;
  height: 148px;
  margin: 0 auto;
  box-sizing: border-box;
  line-height: 0;
  overflow: hidden;
  position: relative;
}

.qr-wrapper.mobile canvas {
  display: block;
  width: 172px;
  height: 172px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-46%, -46%);
}

/* Mobile receiver specific adjustments */
#mobile-receiver-section .instruction {
  font-size: 0.875rem;
}

#mobile-receiver-section .code-display {
  margin-top: 1rem;
}

#mobile-receiver-section .session-code {
  font-size: 1.5rem;
  padding: 0.5rem 1rem;
}