/* ============================================================
   AI Dentist – App Download & Smart QR Share Stylesheet
   ============================================================ */

.download-hero {
  padding: calc(var(--navbar-height) + 3.5rem) 0 5rem;
  background:
    radial-gradient(circle at 8% 22%, rgba(var(--color-accent-rgb), 0.08), transparent 28%),
    radial-gradient(circle at 90% 18%, rgba(var(--color-secondary-rgb), 0.1), transparent 30%),
    var(--color-bg);
  position: relative;
  overflow: hidden;
}

.download-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(var(--color-accent-rgb), 0.09);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(var(--color-accent-rgb), 0.18);
}

.download-title {
  font-size: clamp(2.75rem, 4vw, 4rem);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin-bottom: 1.35rem;
}

.download-subtitle {
  font-size: 1.06rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 620px;
  margin-bottom: 2.25rem;
}

/* Store Buttons */
.store-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.store-badge-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1.4rem;
  background: #050505;
  color: #FFFFFF !important;
  border-radius: 14px;
  text-decoration: none !important;
  box-shadow: 0 8px 22px rgba(18, 59, 104, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 200px;
}

.store-badge-btn:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(var(--color-accent-rgb), 0.24);
  color: #FFFFFF !important;
}

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

.store-badge-btn .store-icon {
  font-size: 1.9rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.store-badge-btn .store-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.store-badge-btn .store-sub {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-footer-text);
  font-weight: 500;
  line-height: 1.2;
}

.store-badge-btn .store-main {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.25;
  color: #FFFFFF;
}

/* Features List on Download Page */
.download-features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.download-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: var(--color-text);
  padding: 0.85rem;
  border: 1px solid var(--color-border-light);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.66);
  font-weight: 500;
}

.download-feature-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(var(--color-secondary-rgb), 0.12);
  color: var(--color-teal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* QR Code Card */
.qr-share-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 2.25rem 2rem 2rem;
  box-shadow: 0 20px 50px rgba(18, 59, 104, 0.1);
  text-align: center;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.qr-share-card:hover {
  box-shadow: 0 26px 60px rgba(18, 59, 104, 0.14);
}

.qr-header-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.qr-header-desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

/* QR Code Frame */
.qr-canvas-wrapper {
  position: relative;
  display: inline-block;
  padding: 1.25rem;
  background: #FFFFFF;
  border-radius: 20px;
  border: 2px solid rgba(var(--color-accent-rgb), 0.18);
  box-shadow: 0 10px 28px rgba(var(--color-accent-rgb), 0.08);
  margin-bottom: 1.5rem;
}

#qrcode-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 220px;
  height: 220px;
  position: relative;
}

#qrcode-container img,
#qrcode-container canvas {
  display: block;
  width: 220px !important;
  height: 220px !important;
  border-radius: 8px;
}

.qr-center-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: #FFFFFF;
  border-radius: 10px;
  padding: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  pointer-events: none;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-center-logo img {
  width: 100% !important;
  height: 100% !important;
  object-fit: contain;
  border-radius: 6px;
}

/* Sharing link input bar */
.share-link-box {
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.4rem 0.5rem 0.4rem 0.85rem;
  margin-bottom: 1.25rem;
  gap: 0.5rem;
}

.share-link-input {
  border: none;
  background: transparent;
  font-size: 0.85rem;
  color: var(--color-text);
  font-family: inherit;
  width: 100%;
  outline: none;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.btn-copy-link {
  background: var(--color-accent);
  color: #FFFFFF;
  border: none;
  border-radius: 8px;
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  transition: background 0.2s;
}

.btn-copy-link:hover {
  background: var(--color-accent-hover);
}

.qr-tool-btn {
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 1.25rem;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  text-decoration: none;
}

.qr-tool-btn:hover {
  background: var(--color-secondary-soft);
  border-color: rgba(var(--color-secondary-rgb), 0.3);
  color: var(--color-teal);
}

/* Mobile Redirect Overlay */
.mobile-redirect-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #FFFFFF;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.mobile-redirect-overlay.active {
  display: flex;
}

.redirect-spinner {
  width: 56px;
  height: 56px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1.5rem;
}

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

.redirect-logo {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  margin-bottom: 1.25rem;
  box-shadow: 0 8px 24px rgba(var(--color-primary-rgb), 0.2);
}

.redirect-status-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.redirect-status-sub {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  max-width: 320px;
  margin-bottom: 1.75rem;
}

.redirect-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  max-width: 280px;
  padding: 0.85rem 1.5rem;
  background: var(--color-accent);
  color: #FFFFFF;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(var(--color-accent-rgb), 0.3);
  margin-bottom: 1rem;
}

.redirect-cancel-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: underline;
}

/* Toast message */
.share-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-footer-bg);
  color: #FFFFFF;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 100000;
  pointer-events: none;
}

.share-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Streamlined download process */
.download-process-section {
  padding: var(--section-padding) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
}

.download-process-title {
  margin: 0 0 0.75rem;
  color: var(--color-text);
  font-size: var(--font-section-title);
  font-weight: 800;
  line-height: 1.15;
}

.download-process-subtitle {
  max-width: 650px;
  margin: 0 auto;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.download-process-grid {
  margin-top: 2.25rem;
}

.download-step-card {
  position: relative;
  height: 100%;
  padding: 1.75rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-surface-soft);
  text-align: left;
  box-shadow: 0 8px 28px rgba(18, 59, 104, 0.05);
}

.download-step-icon {
  display: inline-flex;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  border-radius: 14px;
  color: #fff;
}

.download-step-icon.icon-pink { background: var(--color-accent); }
.download-step-icon.icon-teal-step { background: var(--color-secondary); }
.download-step-icon.icon-navy-step { background: var(--color-text); }

.download-step-number {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: rgba(18, 59, 104, 0.16);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.download-step-card h3 {
  margin-bottom: 0.55rem;
  color: var(--color-text);
  font-size: 1.05rem;
  font-weight: 750;
}

.download-step-card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

@media (max-width: 991.98px) {
  .download-hero {
    padding-top: calc(var(--navbar-height) + 2.5rem);
  }

  .download-title,
  .download-subtitle {
    max-width: 680px;
  }

  .qr-share-card {
    max-width: 520px;
    margin: 0 auto;
  }
}

@media (max-width: 575.98px) {
  .download-hero {
    padding: calc(var(--navbar-height) + 2rem) 0 3.5rem;
  }

  .download-title {
    font-size: 2.55rem;
  }

  .download-subtitle {
    font-size: 1rem;
  }

  .store-btn-group {
    display: grid;
    grid-template-columns: 1fr;
  }

  .store-badge-btn {
    width: 100%;
    min-width: 0;
    justify-content: center;
  }

  .download-features-list {
    grid-template-columns: 1fr;
  }

  .qr-share-card {
    padding: 1.5rem 1rem;
  }

  .qr-canvas-wrapper {
    padding: 0.85rem;
  }

  #qrcode-container,
  #qrcode-container img,
  #qrcode-container canvas {
    width: 190px !important;
    height: 190px !important;
  }

  .share-link-box {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .share-link-input {
    flex: 1 1 75%;
  }

  .btn-copy-link {
    flex: 1 1 100%;
    justify-content: center;
    padding: 0.65rem;
  }

  .download-process-section {
    padding: 55px 0;
  }
}

/* Printable Flyer Mode */
@media print {
  header, footer, .store-btn-group, .campaign-selector-wrap, .btn-copy-link, .qr-action-btns, .download-badge-tag {
    display: none !important;
  }
  body, .download-hero {
    background: #FFFFFF !important;
    padding: 0 !important;
  }
  .qr-share-card {
    border: none !important;
    box-shadow: none !important;
  }
  #qrcode-container, #qrcode-container img, #qrcode-container canvas {
    width: 320px !important;
    height: 320px !important;
  }
}