/* ============================================================
   📱 PWA Styles
   ============================================================ */

/* ============ دکمه نصب ============ */
.pwa-install-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 12px 20px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #fff;
  border: 0;
  border-radius: 12px;
  font-family: 'Vazirmatn', Tahoma, sans-serif;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.35);
  z-index: 9998;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: pwaPulse 2.5s ease-in-out infinite;
}

.pwa-install-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(34, 197, 94, 0.5);
}

@keyframes pwaPulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(34, 197, 94, 0.35); }
  50% { box-shadow: 0 12px 32px rgba(34, 197, 94, 0.6); }
}

/* ============ بنر به‌روزرسانی ============ */
.pwa-update-banner {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 14px 20px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  border-radius: 12px;
  font-family: 'Vazirmatn', Tahoma, sans-serif;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.4);
  z-index: 99999;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: pwaSlideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.pwa-update-banner button {
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pwa-update-banner button:hover {
  background: rgba(255, 255, 255, 0.3);
}

.pwa-update-banner #pwaUpdateDismiss {
  padding: 4px 10px;
  font-size: 16px;
}

@keyframes pwaSlideDown {
  from { opacity: 0; transform: translate(-50%, -30px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ============ بنر آفلاین ============ */
.pwa-offline-banner {
  position: fixed;
  bottom: 80px;
  left: 20px;
  padding: 10px 16px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  border-radius: 10px;
  font-family: 'Vazirmatn', Tahoma, sans-serif;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
  z-index: 9998;
  animation: pwaSlideInLeft 0.3s ease;
}

@keyframes pwaSlideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ============ حالت standalone ============ */
@media all and (display-mode: standalone) {
  /* وقتی نصب شده */
  body {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }

  /* مخفی کردن دکمه نصب */
  .pwa-install-btn {
    display: none;
  }

  /* حذف نوار آدرس شبیه‌سازی شده */
  .topbar {
    margin-top: 10px;
  }
}

/* ============ Safe Area برای iPhone X+ ============ */
@supports (padding: max(0px)) {
  body {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
    padding-bottom: max(30px, env(safe-area-inset-bottom));
  }
}

/* ============ Responsive ============ */
@media (max-width: 640px) {
  .pwa-install-btn {
    bottom: 16px;
    right: 16px;
    padding: 10px 16px;
    font-size: 12px;
  }

  .pwa-update-banner {
    left: 16px;
    right: 16px;
    transform: none;
    font-size: 12px;
    padding: 12px 16px;
    flex-wrap: wrap;
  }

  .pwa-offline-banner {
    left: 12px;
    right: 12px;
    bottom: 70px;
    text-align: center;
  }
}