/* ==============================
   📱 سیستم نصب PWA - نسخه نهایی
   طراحی حرفه‌ای، موبایل فرندلی، آکاردئونی
   کاملاً واکنش‌گرا با رعایت قوانین دقیق UI/UX
   ============================== */

/* دکمه نصب دایره‌ای پالس‌دار در فوتر */
.pwa-install-btn {
  /* ساختار */
  display: flex !important;
  align-items: center;
  justify-content: center;
  
  /* شکل دایره‌ای */
  width: 56px;
  height: 56px;
  border-radius: 50%;
  padding: 0;
  
  /* ظاهر */
  border: 3px solid var(--border-color, rgba(255,255,255,0.2));
  background: linear-gradient(135deg, var(--primary-color, #D4AF37), #B8860B);
  color: white;
  cursor: pointer;
  
  /* موقعیت و لایه‌بندی */
  position: relative;
  z-index: 1000;
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.4);
  
  /* انیمیشن پالس مداوم */
  animation: pulse-ring 2s infinite;
  
  /* transition */
  transition: all 0.3s ease;
}

/* انیمیشن پالس برای دکمه دایره‌ای */
@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(212, 175, 55, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(212, 175, 55, 0);
  }
}

/* حالت‌های مختلف دکمه */
.pwa-install-btn.installable {
  background: linear-gradient(135deg, var(--primary-color, #D4AF37), #B8860B);
}

.pwa-install-btn.installed {
  background: linear-gradient(135deg, #48BB78, #2F855A);
  animation: none;
  box-shadow: 0 4px 16px rgba(72, 187, 120, 0.4);
}

.pwa-install-btn.info {
  background: var(--secondary-bg, #4A5568);
  animation: none;
}

/* هاور و فوکوس */
.pwa-install-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

.pwa-install-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.5);
}

/* آیکن داخل دکمه */
.pwa-install-btn i {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.pwa-install-btn:hover i {
  transform: scale(1.1);
}

/* متن کنار دکمه (در دسکتاپ) */
.pwa-install-text {
  position: absolute;
  right: 70px;
  background: var(--card-bg, #2D3748);
  color: var(--text-color, #E2E8F0);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: all 0.3s ease;
  pointer-events: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.pwa-install-btn:hover .pwa-install-text {
  opacity: 1;
  transform: translateX(0);
}

/* مودال نصب */
.pwa-install-modal-backdrop {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: modalFadeIn 0.3s ease;
}

.pwa-install-modal-backdrop.open {
  display: flex;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.pwa-install-modal {
  background: var(--card-bg, #2D3748);
  border-radius: 1.5rem;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color, #4A5568);
  animation: modalSlideUp 0.4s ease;
  -webkit-overflow-scrolling: touch;
}

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

/* هدر مودال */
.pwa-install-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border-color, #4A5568);
  position: sticky;
  top: 0;
  background: var(--card-bg, #2D3748);
  z-index: 10;
}

.pwa-install-modal-header h3 {
  margin: 0;
  color: var(--text-color, #E2E8F0);
  font-size: 1.25rem;
  font-weight: 600;
}

.pwa-install-close-btn {
  background: var(--secondary-bg, #4A5568);
  color: var(--text-secondary, #A0AEC0);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pwa-install-close-btn:hover {
  background: var(--hover-bg, #5A6578);
  color: var(--text-color, #E2E8F0);
}

/* بدنه مودال */
.pwa-install-modal-body {
  padding: 1.5rem;
}

/* اطلاعات برنامه - طراحی Flexbox برای کنترل بهتر */
.pwa-app-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1.25rem;
  background: var(--bg-color, #1A202C);
  border-radius: 1rem;
  border: 1px solid var(--border-color, #4A5568);
  transition: all 0.3s ease;
}

.pwa-app-icon {
  width: 70px;
  height: 70px;
  min-width: 70px;
  border-radius: 1rem;
  overflow: hidden;
  border: 3px solid var(--primary-color, #D4AF37);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pwa-app-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pwa-app-details {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.pwa-app-details h4 {
  margin: 0 0 0.25rem 0;
  color: var(--text-color, #E2E8F0);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
}

.pwa-app-details p {
  margin: 0 0 0.5rem 0;
  color: var(--text-secondary, #A0AEC0);
  font-size: 0.9rem;
  line-height: 1.4;
}

.pwa-app-size {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--primary-color, #D4AF37);
  font-weight: 600;
  background: rgba(212, 175, 55, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  line-height: 1;
}

/* گرید ویژگی‌ها - دو ستونه در تمام دستگاه‌ها */
.pwa-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

/* تنها در دستگاه‌های با عرض ۹۰ پیکسل یا کمتر تک ستونه */
@media (max-width: 90px) {
  .pwa-features-grid {
    grid-template-columns: 1fr;
  }
}

/* استانداردسازی آیکن‌ها */
.pwa-feature-card {
  background: var(--bg-color, #1A202C);
  border: 1px solid var(--border-color, #4A5568);
  border-radius: 0.75rem;
  padding: 1rem;
  text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100px;
}

.pwa-feature-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary-color, #D4AF37);
}

.pwa-feature-icon {
  font-size: 1.75rem;
  color: var(--primary-color, #D4AF37);
  margin-bottom: 0.75rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.1);
  transition: all 0.3s ease;
}

.pwa-feature-card:hover .pwa-feature-icon {
  background: rgba(212, 175, 55, 0.2);
  transform: scale(1.1);
}

.pwa-feature-title {
  color: var(--text-color, #E2E8F0);
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.4;
}

/* بخش‌های آکاردئونی */
.pwa-accordion {
  margin-bottom: 1.5rem;
}

.pwa-accordion-item {
  background: var(--bg-color, #1A202C);
  border: 1px solid var(--border-color, #4A5568);
  border-radius: 0.75rem;
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.pwa-accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  cursor: pointer;
  color: var(--text-color, #E2E8F0);
  font-weight: 600;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.pwa-accordion-header:hover {
  background: var(--hover-bg, rgba(255,255,255,0.05));
}

.pwa-accordion-icon {
  transition: transform 0.3s ease;
  font-size: 0.9rem;
}

.pwa-accordion-item.active .pwa-accordion-icon {
  transform: rotate(180deg);
}

.pwa-accordion-content {
  padding: 0 1rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.pwa-accordion-item.active .pwa-accordion-content {
  padding: 1rem;
  max-height: 1000px;
}

/* مراحل نصب */
.pwa-steps-list {
  padding-right: 1.25rem;
  margin: 0.5rem 0;
  counter-reset: step;
}

.pwa-steps-list li {
  margin-bottom: 0.75rem;
  color: var(--text-secondary, #A0AEC0);
  position: relative;
  padding-right: 2rem;
  line-height: 1.5;
}

.pwa-steps-list li:before {
  content: counter(step);
  counter-increment: step;
  position: absolute;
  right: 0;
  top: 0;
  width: 24px;
  height: 24px;
  background: var(--primary-color, #D4AF37);
  color: black;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: bold;
  line-height: 1;
}

/* راهنمای iOS */
.pwa-ios-guide {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 0.75rem;
  padding: 1rem;
  margin: 1rem 0;
}

.pwa-ios-guide h5 {
  color: #3B82F6;
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.pwa-ios-steps {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pwa-ios-step {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  background: rgba(255,255,255,0.05);
  border-radius: 0.5rem;
}

.pwa-ios-step-number {
  background: #3B82F6;
  color: white;
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
}

.pwa-ios-step-content {
  flex: 1;
  min-width: 0;
}

.pwa-ios-step-content strong {
  display: block;
  color: var(--text-color, #E2E8F0);
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
  line-height: 1.3;
}

.pwa-ios-step-content p {
  margin: 0.25rem 0;
  color: var(--text-secondary, #A0AEC0);
  font-size: 0.85rem;
  line-height: 1.4;
}

/* وضعیت نصب */
.pwa-status-container {
  background: var(--bg-color, #1A202C);
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color, #4A5568);
}

.pwa-status {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pwa-status-icon {
  font-size: 1.75rem;
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pwa-status-text {
  flex: 1;
  min-width: 0;
}

.pwa-status-text h5 {
  margin: 0 0 0.25rem 0;
  color: var(--text-color, #E2E8F0);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

.pwa-status-text p {
  margin: 0;
  color: var(--text-secondary, #A0AEC0);
  font-size: 0.85rem;
  line-height: 1.4;
}

/* رنگ‌بندی وضعیت‌ها */
.pwa-status-success .pwa-status-icon { color: #48BB78; }
.pwa-status-ready .pwa-status-icon { color: #D4AF37; }
.pwa-status-checking .pwa-status-icon { color: #A0AEC0; }

/* فوتر مودال */
.pwa-install-modal-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem;
  border-top: 1px solid var(--border-color, #4A5568);
  background: var(--card-bg, #2D3748);
  border-radius: 0 0 1.5rem 1.5rem;
  position: sticky;
  bottom: 0;
}

.pwa-install-cancel,
.pwa-install-confirm {
  flex: 1;
  padding: 0.875rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-family: inherit;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  min-height: 48px;
  -webkit-tap-highlight-color: transparent;
}

.pwa-install-cancel {
  background: var(--secondary-bg, #4A5568);
  color: var(--text-color, #E2E8F0);
}

.pwa-install-cancel:hover {
  background: var(--hover-bg, #5A6578);
  transform: translateY(-2px);
}

.pwa-install-confirm {
  background: linear-gradient(135deg, var(--primary-color, #D4AF37), #B8860B);
  color: black;
}

.pwa-install-confirm:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4);
}

.pwa-install-confirm:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  background: var(--secondary-bg, #4A5568);
  color: var(--text-secondary, #A0AEC0);
}

/* ============================================
   📱 رسپانسیو و حالت‌های خاص
   ============================================ */

/* حالت عمودی یا ارتفاع محدود - وسط‌چین کردن کامل */
@media (max-height: 600px) and (orientation: portrait),
       (max-height: 400px) and (orientation: landscape),
       (max-width: 400px) {
  .pwa-app-info {
    flex-direction: column;
    text-align: center;
    align-items: center;
    justify-content: center;
    padding: 1rem;
  }
  
  .pwa-app-details {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  
  .pwa-app-details h4,
  .pwa-app-details p {
    text-align: center;
    width: 100%;
  }
  
  .pwa-app-size {
    justify-content: center;
  }
}

/* حالت فشرده عمودی */
@media (max-height: 500px) and (orientation: portrait) {
  .pwa-app-info {
    padding: 0.75rem;
    margin-bottom: 1rem;
  }
  
  .pwa-app-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    margin-bottom: 0.5rem;
  }
  
  .pwa-app-details h4 {
    font-size: 1.1rem;
  }
  
  .pwa-features-grid {
    margin-bottom: 1rem;
  }
  
  .pwa-feature-card {
    min-height: 80px;
    padding: 0.75rem;
  }
  
  .pwa-feature-icon {
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }
}

/* ریسپانسیو - تبلت و موبایل بزرگ */
@media (max-width: 768px) {
  .pwa-install-modal {
    max-width: 100%;
    border-radius: 1rem;
    margin: 0.5rem;
  }
  
  .pwa-install-modal-header,
  .pwa-install-modal-body,
  .pwa-install-modal-footer {
    padding: 1rem;
  }
  
  /* دکمه در موبایل */
  .pwa-install-btn {
    width: 48px;
    height: 48px;
  }
  
  .pwa-install-text {
    display: none;
  }
  
  /* ویژگی‌ها در موبایل متوسط */
  .pwa-features-grid {
    gap: 0.5rem;
  }
  
  .pwa-feature-card {
    padding: 0.75rem;
    min-height: 90px;
  }
  
  .pwa-feature-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    margin-bottom: 0.5rem;
  }
  
  .pwa-feature-title {
    font-size: 0.85rem;
  }
  
  /* آکاردئون در موبایل */
  .pwa-accordion-header {
    padding: 0.875rem;
    font-size: 0.95rem;
  }
  
  .pwa-accordion-content {
    padding: 0 0.875rem;
  }
  
  .pwa-accordion-item.active .pwa-accordion-content {
    padding: 0.875rem;
  }
}

/* موبایل کوچک */
@media (max-width: 480px) {
  .pwa-install-btn {
    width: 44px;
    height: 44px;
  }
  
  .pwa-install-btn i {
    font-size: 1.25rem;
  }
  
  .pwa-ios-step {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .pwa-install-modal-footer {
    flex-direction: column;
  }
  
  .pwa-install-cancel,
  .pwa-install-confirm {
    width: 100%;
  }
  
  /* تطبیق بهتر در موبایل‌های کوچک */
  .pwa-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* حالت خیلی کوچک - تک ستونه */
  @media (max-width: 360px) {
    .pwa-features-grid {
      grid-template-columns: 1fr;
    }
    
    .pwa-app-info {
      padding: 0.75rem;
    }
    
    .pwa-app-icon {
      width: 50px;
      height: 50px;
      min-width: 50px;
    }
    
    .pwa-app-details h4 {
      font-size: 1rem;
    }
    
    .pwa-app-details p {
      font-size: 0.85rem;
    }
  }
}

/* موبایل خیلی کوچک */
@media (max-width: 320px) {
  .pwa-install-modal {
    max-height: 85vh;
    border-radius: 0.75rem;
  }
  
  .pwa-install-modal-body {
    padding: 0.75rem;
  }
  
  .pwa-app-info {
    padding: 0.75rem;
  }
  
  .pwa-feature-card {
    padding: 0.625rem;
    min-height: 85px;
  }
  
  .pwa-feature-icon {
    width: 36px;
    height: 36px;
    font-size: 1.25rem;
  }
  
  .pwa-feature-title {
    font-size: 0.8rem;
  }
  
  .pwa-status-container {
    padding: 0.75rem;
  }
  
  .pwa-status-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    font-size: 1.5rem;
  }
  
  .pwa-status-text h5 {
    font-size: 0.9rem;
  }
  
  .pwa-status-text p {
    font-size: 0.8rem;
  }
}

/* ============================================
   🎨 حالت‌های تم
   ============================================ */

[data-theme="light"] .pwa-install-modal {
  background: #FFFFFF;
  border-color: #E2E8F0;
}

[data-theme="light"] .pwa-install-modal-header {
  background: #FFFFFF;
  border-color: #E2E8F0;
}

[data-theme="light"] .pwa-app-info,
[data-theme="light"] .pwa-feature-card,
[data-theme="light"] .pwa-accordion-item,
[data-theme="light"] .pwa-status-container,
[data-theme="light"] .pwa-ios-guide {
  background: #F7FAFC;
  border-color: #E2E8F0;
}

[data-theme="light"] .pwa-install-modal-header h3,
[data-theme="light"] .pwa-app-details h4,
[data-theme="light"] .pwa-feature-title,
[data-theme="light"] .pwa-accordion-header,
[data-theme="light"] .pwa-status-text h5 {
  color: #2D3748;
}

[data-theme="light"] .pwa-app-details p,
[data-theme="light"] .pwa-status-text p,
[data-theme="light"] .pwa-steps-list li,
[data-theme="light"] .pwa-ios-step-content p {
  color: #4A5568;
}

[data-theme="light"] .pwa-ios-guide {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.2);
}

[data-theme="light"] .pwa-install-btn.info {
  background: #E2E8F0;
  color: #4A5568;
}

[data-theme="light"] .pwa-install-btn.info:hover {
  background: #CBD5E0;
}

[data-theme="light"] .pwa-install-cancel {
  background: #E2E8F0;
  color: #4A5568;
  border-color: #CBD5E0;
}

[data-theme="light"] .pwa-install-cancel:hover {
  background: #CBD5E0;
}

/* ============================================
   ♿ بهبود دسترسی‌پذیری
   ============================================ */

.pwa-install-btn:focus-visible {
  outline: 3px solid var(--primary-color, #D4AF37);
  outline-offset: 2px;
}

.pwa-install-close-btn:focus-visible,
.pwa-install-cancel:focus-visible,
.pwa-install-confirm:focus-visible {
  outline: 3px solid var(--primary-color, #D4AF37);
  outline-offset: 2px;
}

.pwa-accordion-header:focus-visible {
  outline: 3px solid var(--primary-color, #D4AF37);
  outline-offset: -2px;
  border-radius: 0.5rem;
}

/* بهبود touch targets برای موبایل */
@media (max-width: 768px) {
  .pwa-install-btn {
    min-height: 44px;
    min-width: 44px;
  }
  
  .pwa-install-close-btn {
    min-height: 44px;
    min-width: 44px;
  }
  
  .pwa-install-cancel,
  .pwa-install-confirm {
    min-height: 44px;
  }
  
  .pwa-accordion-header {
    min-height: 44px;
  }
}

/* جلوگیری از zoom در iOS */
@media (max-width: 768px) {
  .pwa-install-cancel,
  .pwa-install-confirm,
  .pwa-install-close-btn,
  .pwa-accordion-header {
    font-size: 16px; /* جلوگیری از zoom در iOS */
  }
  
  select,
  input,
  button {
    font-size: 16px;
  }
}

/* بهبود اسکرول در iOS */
.pwa-install-modal {
  -webkit-overflow-scrolling: touch;
}

/* جلوگیری از pull-to-refresh در مودال */
.pwa-install-modal-backdrop {
  overscroll-behavior: contain;
}

/* بهبود ظاهر در مرورگرهای مختلف */
.pwa-install-modal::-webkit-scrollbar {
  width: 6px;
}

.pwa-install-modal::-webkit-scrollbar-track {
  background: transparent;
}

.pwa-install-modal::-webkit-scrollbar-thumb {
  background: var(--border-color, #4A5568);
  border-radius: 3px;
}

.pwa-install-modal::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color, #D4AF37);
}

/* نمایش بهینه در حالت پرینت */
@media print {
  .pwa-install-modal-backdrop,
  .pwa-install-btn {
    display: none !important;
  }
}

/* بهبود performance برای انیمیشن‌ها */
.pwa-install-btn,
.pwa-feature-card,
.pwa-install-cancel,
.pwa-install-confirm,
.pwa-install-close-btn {
  will-change: transform;
  transform: translateZ(0);
}

/* جلوگیری از فلیکر در برخی مرورگرها */
.pwa-install-modal-backdrop {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}