/* Shared PWA chrome: install bar, visual install guide modal, update toast, connectivity pill.
 * Prefix .ltpwa- guarantees zero conflict with Bootstrap, AdminLTE, or Tailwind.
 */
.ltpwa-pill, .ltpwa-bar, .ltpwa-modal-backdrop {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, Tahoma, sans-serif;
  box-sizing: border-box;
}
.ltpwa-pill *, .ltpwa-bar *, .ltpwa-modal-backdrop * {
  box-sizing: border-box;
}

/* Status Pill (Offline / Pending Sync) */
.ltpwa-pill {
  position: fixed;
  top: calc(env(safe-area-inset-top, 0px) + 10px);
  inset-inline-start: 50%;
  transform: translateX(-50%);
  padding: 6px 16px;
  border-radius: 999px;
  background: #0f5132;
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  z-index: 2147483000;
  transition: all 0.2s ease;
}
[dir="rtl"] .ltpwa-pill { transform: translateX(50%); }
.ltpwa-pill.is-offline { background: #b45309; }
.ltpwa-pill:hover { color: #ffffff; text-decoration: underline; }

/* Install Bottom Bar (Floating Toast) */
.ltpwa-bar {
  position: fixed;
  inset-inline: 16px;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 16px);
  max-width: 580px;
  margin-inline: auto;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #ffffff;
  color: #0f172a;
  border: 1px solid #cbd5e1;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.22);
  z-index: 2147483000;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.ltpwa-bar.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.ltpwa-bar-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}
.ltpwa-bar-text {
  flex: 1 1 200px;
  font-size: 13px;
  line-height: 1.45;
  font-weight: 600;
  color: #1e293b;
}
.ltpwa-bar-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* Action Buttons */
.ltpwa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 9px;
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  color: #1e293b;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.ltpwa-btn:hover {
  background: #e2e8f0;
}
.ltpwa-btn.ltpwa-primary {
  background: #002049;
  border-color: #002049;
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 32, 73, 0.25);
}
.ltpwa-btn.ltpwa-primary:hover {
  background: #003375;
  border-color: #003375;
}
.ltpwa-btn.ltpwa-full-btn {
  width: 100%;
  padding: 10px 18px;
  font-size: 14px;
}

/* Update Toast variation */
.ltpwa-bar.ltpwa-update {
  background: #0f172a;
  color: #ffffff;
  border-color: #334155;
}
.ltpwa-bar.ltpwa-update .ltpwa-bar-text {
  color: #f1f5f9;
}

/* ==========================================================================
   Visual Install Guide Modal (Apple iOS, macOS Safari, & Desktop Chrome/Edge)
   ========================================================================== */
.ltpwa-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2147483647;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.ltpwa-modal-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.ltpwa-modal {
  background: #ffffff;
  color: #0f172a;
  border-radius: 20px;
  max-width: 500px;
  width: 100%;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
  border: 1px solid #e2e8f0;
  overflow: hidden;
  transform: translateY(20px) scale(0.96);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.ltpwa-modal-backdrop.is-visible .ltpwa-modal {
  transform: translateY(0) scale(1);
}

/* Modal Header */
.ltpwa-modal-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border-bottom: 1px solid #f1f5f9;
}
.ltpwa-modal-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.12);
  flex-shrink: 0;
}
.ltpwa-modal-title-box {
  flex: 1;
  min-width: 0;
}
.ltpwa-modal-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: #0f172a;
}
.ltpwa-modal-subtitle {
  margin: 3px 0 0;
  font-size: 12px;
  color: #64748b;
  line-height: 1.4;
}
.ltpwa-modal-close {
  background: #f1f5f9;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 15px;
  color: #64748b;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, color 0.15s ease;
}
.ltpwa-modal-close:hover {
  background: #e2e8f0;
  color: #0f172a;
}

/* Tabs */
.ltpwa-modal-tabs {
  display: flex;
  padding: 8px 16px 0;
  gap: 6px;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}
.ltpwa-tab-btn {
  flex: 1;
  padding: 8px 10px;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  cursor: pointer;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  transition: all 0.15s ease;
}
.ltpwa-tab-btn:hover {
  color: #0f172a;
}
.ltpwa-tab-btn.is-active {
  color: #002049;
  border-bottom-color: #002049;
  background: #ffffff;
  border-radius: 8px 8px 0 0;
}

/* Steps Body */
.ltpwa-modal-body {
  padding: 18px 20px;
}
.ltpwa-step-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ltpwa-step-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 14px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid #f1f5f9;
}
.ltpwa-step-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #002049;
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ltpwa-step-content {
  flex: 1;
}
.ltpwa-step-title {
  font-size: 13px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 2px;
}
.ltpwa-step-desc {
  font-size: 12px;
  color: #64748b;
  line-height: 1.45;
}
.ltpwa-modal-note {
  margin-top: 12px;
  padding: 8px 12px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  font-size: 12px;
  color: #92400e;
  line-height: 1.4;
}

/* Modal Footer */
.ltpwa-modal-footer {
  padding: 12px 20px 18px;
  border-top: 1px solid #f1f5f9;
}

/* Standalone mode suppression */
.ltpwa-standalone .ltpwa-bar,
.ltpwa-standalone .ltpwa-install-trigger {
  display: none !important;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .ltpwa-bar {
    background: #1e293b;
    color: #f1f5f9;
    border-color: #334155;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  }
  .ltpwa-bar-text { color: #f8fafc; }
  .ltpwa-btn {
    background: #334155;
    color: #f1f5f9;
    border-color: #475569;
  }
  .ltpwa-btn:hover { background: #475569; }
  .ltpwa-btn.ltpwa-primary {
    background: #38bdf8;
    border-color: #38bdf8;
    color: #0f172a;
  }
  .ltpwa-modal {
    background: #1e293b;
    color: #f8fafc;
    border-color: #334155;
  }
  .ltpwa-modal-header { border-bottom-color: #334155; }
  .ltpwa-modal-title { color: #f8fafc; }
  .ltpwa-modal-subtitle { color: #94a3b8; }
  .ltpwa-modal-close { background: #334155; color: #cbd5e1; }
  .ltpwa-modal-close:hover { background: #475569; color: #f8fafc; }
  .ltpwa-modal-tabs { background: #0f172a; border-bottom-color: #334155; }
  .ltpwa-tab-btn { color: #94a3b8; }
  .ltpwa-tab-btn:hover { color: #f8fafc; }
  .ltpwa-tab-btn.is-active {
    background: #1e293b;
    color: #38bdf8;
    border-bottom-color: #38bdf8;
  }
  .ltpwa-step-item { background: #0f172a; border-color: #334155; }
  .ltpwa-step-badge { background: #38bdf8; color: #0f172a; }
  .ltpwa-step-title { color: #f8fafc; }
  .ltpwa-step-desc { color: #94a3b8; }
  .ltpwa-modal-footer { border-top-color: #334155; }
  .ltpwa-modal-note {
    background: #451a03;
    border-color: #78350f;
    color: #fde68a;
  }
}

@media print {
  .ltpwa-pill, .ltpwa-bar, .ltpwa-modal-backdrop {
    display: none !important;
  }
}