/* ════════════════════════════════════════════════════
   تواصُل · Components
   ════════════════════════════════════════════════════ */

/* ═══════════════ الترويسة ═══════════════ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-7);
  min-height: var(--header-h);
  background: rgba(10, 9, 8, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--line);
  animation: fadeDown 0.8s var(--ease-out);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.brand:hover { opacity: 0.85; }

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--turquoise);
  padding: 2px;
  box-shadow: 0 0 0 1px var(--turquoise-line), var(--shadow-sm);
  transition: transform var(--duration-base) var(--ease-spring);
}

.brand:hover .brand-mark {
  transform: rotate(-3deg) scale(1.05);
}

.brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1;
}

.brand-name {
  font-family: var(--font-arabic);
  font-size: 1.4rem;
  font-weight: var(--weight-bold);
  color: var(--pearl);
  letter-spacing: 0.02em;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--turquoise);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-top: 4px;
}

/* ─── التنقل ─────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-7);
}

.nav-item {
  position: relative;
  font-family: var(--font-arabic);
  font-size: 1rem;
  color: var(--pearl-dim);
  text-decoration: none;
  padding: var(--space-2) 0;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: -2px;
  right: 50%;
  width: 0;
  height: 1px;
  background: var(--turquoise);
  transform: translateX(50%);
  transition: width var(--duration-base) var(--ease-out);
}

.nav-item:hover {
  color: var(--pearl);
}

.nav-item:hover::after {
  width: 60%;
}

.nav-item.active {
  color: var(--turquoise-bright);
}

.nav-item.active::after {
  width: 100%;
  background: var(--turquoise-bright);
  box-shadow: 0 0 8px var(--turquoise-glow);
}

/* القائمة على الموبايل */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 8px;
  background: transparent;
}

.nav-toggle span {
  width: 100%;
  height: 1px;
  background: var(--pearl);
  transition: all var(--duration-base) var(--ease-out);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ═══════════════ الذيل ═══════════════ */
.footer {
  position: fixed;
  bottom: 0;
  inset-inline: 0;
  z-index: 100;
  padding: var(--space-4) var(--space-7);
  background: rgba(10, 9, 8, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--line);
  animation: fadeUp 0.8s var(--ease-out) 0.3s both;
}

.footer-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-content);
  margin: 0 auto;
}

.footer-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--whisper-light);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--turquoise);
  box-shadow: 0 0 10px var(--turquoise-glow);
  animation: pulse 2s ease-in-out infinite;
}

.status-dot.busy {
  background: var(--pearl-soft);
  animation-duration: 0.8s;
}

.status-dot.error {
  background: #ff6b6b;
}

.footer-time {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--whisper-light);
  letter-spacing: 0.3em;
}

/* ═══════════════ الأزرار ═══════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-arabic);
  font-size: 0.95rem;
  font-weight: var(--weight-regular);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* الزر الأساسي - فيروزي فخم */
.btn-primary {
  background: var(--turquoise);
  color: var(--noir);
  font-weight: var(--weight-medium);
  box-shadow: 
    0 1px 0 rgba(255, 255, 255, 0.2) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset,
    0 4px 12px rgba(31, 179, 184, 0.3);
}

.btn-primary:hover {
  background: var(--turquoise-bright);
  transform: translateY(-1px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.3) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset,
    0 8px 24px rgba(31, 179, 184, 0.4);
}

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

/* الزر الشبحي */
.btn-ghost {
  background: transparent;
  color: var(--pearl-dim);
  border-color: var(--line);
}

.btn-ghost:hover {
  color: var(--pearl);
  border-color: var(--turquoise-line);
  background: var(--turquoise-soft);
}

/* الزر العاجي */
.btn-ivory {
  background: var(--pearl);
  color: var(--noir);
  font-weight: var(--weight-medium);
}

.btn-ivory:hover {
  background: var(--ivory);
  box-shadow: 0 8px 24px rgba(245, 236, 215, 0.2);
}

/* الزر الكبير */
.btn-lg {
  padding: var(--space-4) var(--space-7);
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* ═══════════════ نافذة التثبيت PWA ═══════════════ */
.install-prompt {
  position: fixed;
  bottom: calc(var(--footer-h) + var(--space-5));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 200;
  width: calc(100% - 2rem);
  max-width: 480px;
  opacity: 0;
  pointer-events: none;
  transition: all var(--duration-base) var(--ease-spring);
}

.install-prompt.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.install-content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--noir-elevated);
  border: 1px solid var(--turquoise-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  backdrop-filter: blur(20px);
}

.install-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--turquoise);
  flex-shrink: 0;
}

.install-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.install-text strong {
  font-family: var(--font-arabic);
  font-weight: var(--weight-bold);
  color: var(--pearl);
  font-size: 1rem;
}

.install-text span {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--pearl-dim);
}

.install-actions {
  display: flex;
  gap: var(--space-2);
}

/* ═══════════════ Toast Notifications ═══════════════ */
.toast-area {
  position: fixed;
  top: calc(var(--header-h) + var(--space-4));
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
  max-width: calc(100% - 2rem);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--noir-elevated);
  border: 1px solid var(--turquoise-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 280px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--pearl);
  pointer-events: auto;
  opacity: 0;
  transform: translateY(-10px);
  animation: toastIn var(--duration-base) var(--ease-spring) forwards;
}

.toast.toast-exit {
  animation: toastOut var(--duration-base) var(--ease-out) forwards;
}

.toast-icon {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--turquoise);
  flex-shrink: 0;
}

.toast.toast-success .toast-icon { background: var(--turquoise); }
.toast.toast-error .toast-icon { background: #ff6b6b; }
.toast.toast-info .toast-icon { background: var(--pearl); }

/* ═══════════════ Animations ═══════════════ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes emerge {
  from { 
    opacity: 0; 
    transform: translateY(30px); 
    filter: blur(10px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
    filter: blur(0); 
  }
}

@keyframes pulse {
  0%, 100% { 
    opacity: 1; 
    box-shadow: 0 0 10px var(--turquoise-glow);
  }
  50% { 
    opacity: 0.5; 
    box-shadow: 0 0 20px var(--turquoise-glow);
  }
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-10px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
  to { opacity: 0; transform: translateY(-10px) scale(0.95); }
}

@keyframes shimmer {
  from { background-position: -200% 0; }
  to { background-position: 200% 0; }
}

/* ═══════════════ موبايل ═══════════════ */
@media (max-width: 768px) {
  .header {
    padding: var(--space-3) var(--space-4);
  }
  
  .nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--noir-elevated);
    border-bottom: 1px solid var(--line);
    padding: var(--space-4);
  }
  
  .nav.open {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
    padding: var(--space-3) 0;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--line);
  }
  
  .nav-item:last-child {
    border-bottom: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .footer {
    padding: var(--space-3) var(--space-4);
  }
  
  .brand-name {
    font-size: 1.2rem;
  }
  
  .brand-mark {
    width: 36px;
    height: 36px;
  }
}