/* PWA Installation Styles */
:root {
  --pwa-banner-bg: #ffffff;
  --pwa-banner-border: rgba(0, 0, 0, 0.1);
  --pwa-modal-bg: #ffffff;
  --pwa-modal-border: rgba(0, 0, 0, 0.08);
  --pwa-text: #0a0a0a;
  --pwa-text-muted: rgba(0, 0, 0, 0.5);
  --pwa-accent: #ff5e00;
  --pwa-step-bg: rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] {
  --pwa-banner-bg: #1a1a1c;
  --pwa-banner-border: rgba(255, 255, 255, 0.1);
  --pwa-modal-bg: #1a1a1c;
  --pwa-modal-border: rgba(255, 255, 255, 0.1);
  --pwa-text: #ffffff;
  --pwa-text-muted: rgba(255, 255, 255, 0.5);
  --pwa-step-bg: rgba(255, 255, 255, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --pwa-banner-bg: #1a1a1c;
    --pwa-banner-border: rgba(255, 255, 255, 0.1);
    --pwa-modal-bg: #1a1a1c;
    --pwa-modal-border: rgba(255, 255, 255, 0.1);
    --pwa-text: #ffffff;
    --pwa-text-muted: rgba(255, 255, 255, 0.5);
    --pwa-step-bg: rgba(255, 255, 255, 0.1);
  }
}

.pwa-install-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(150%);
  width: 90%;
  max-width: 400px;
  background: var(--pwa-banner-bg);
  border: 1px solid var(--pwa-banner-border);
  border-radius: 20px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
  z-index: 9999;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(10px);
}

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

.pwa-install-banner .logo-svg {
  width: 44px;
  height: 44px;
  display: block;
  flex-shrink: 0;
}

.pwa-text {
  flex-grow: 1;
}

.pwa-text h4 {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--pwa-text);
}

.pwa-text p {
  margin: 2px 0 0;
  font-size: 0.8rem;
  color: var(--pwa-text-muted);
}

.pwa-btn {
  background: var(--pwa-accent);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  white-space: nowrap;
}

.pwa-close-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  flex-shrink: 0;
  transition: color 0.2s;
}

.pwa-close-btn:hover {
  color: rgba(255,255,255,0.9);
}

/* iOS Instruction Modal */
.pwa-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

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

.pwa-modal {
  background: var(--pwa-modal-bg);
  border: 1px solid var(--pwa-modal-border);
  border-radius: 24px;
  padding: 32px;
  width: 100%;
  max-width: 400px;
  text-align: center;
  position: relative;
  animation: modalIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--pwa-text);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.pwa-modal h3 {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 12px;
}

.pwa-steps {
  text-align: left;
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pwa-step {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
}

.pwa-step-num {
  width: 24px;
  height: 24px;
  background: var(--pwa-step-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
}

.pwa-step i {
  color: var(--pwa-accent);
  font-size: 1.25rem;
}

.pwa-modal-close {
  background: var(--pwa-accent);
  color: white;
  border: none;
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  font-weight: 700;
  margin-top: 12px;
  cursor: pointer;
}