@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --bg-app: #080d0b;
  --bg-card: rgba(18, 30, 25, 0.65);
  --bg-card-hover: rgba(24, 40, 33, 0.85);
  --border-glass: rgba(255, 255, 255, 0.06);
  --border-active: rgba(37, 211, 102, 0.4);
  
  --primary: #25d366;
  --primary-glow: rgba(37, 211, 102, 0.35);
  --primary-dark: #128c7e;
  --primary-deep: #075e54;
  
  --accent-gold: #e2b02b;
  --accent-gold-glow: rgba(226, 176, 43, 0.2);
  
  --text-main: #f0f7f4;
  --text-muted: #8fa89b;
  --text-dark: #0b120e;
  
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.2);
  --warning: #f59e0b;
  
  /* Fonts */
  --font-ar: 'Cairo', sans-serif;
  --font-en: 'Plus Jakarta Sans', sans-serif;
  
  /* Transitions */
  --ease-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Reset and Global Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-ar);
  background-color: var(--bg-app);
  color: var(--text-main);
  direction: rtl;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(18, 140, 126, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(37, 211, 102, 0.08) 0%, transparent 45%);
  background-attachment: fixed;
}

/* Scrollbar customization */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-deep);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Layout container */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 600px;
  margin: 0 auto;
  padding-bottom: 90px; /* Safe space for fixed bottom navigation on mobile */
  position: relative;
}

/* Glassmorphic Panel Style */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
  transition: var(--ease-normal);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.1);
}

/* Header */
header {
  padding: 20px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px var(--primary-glow);
  animation: pulse-glow 3s infinite;
}

.brand-logo svg {
  width: 22px;
  height: 22px;
  fill: white;
}

.brand-title h1 {
  font-size: 1.15rem;
  font-weight: 800;
  background: linear-gradient(to left, #ffffff, var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-title p {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.install-btn {
  background: rgba(37, 211, 102, 0.12);
  border: 1px solid var(--primary-glow);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--ease-fast);
}

.install-btn:hover {
  background: var(--primary);
  color: var(--text-dark);
  box-shadow: 0 0 10px var(--primary-glow);
}

/* Tabs System */
.tab-content {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.tab-content.active {
  display: block;
}

/* Settings Form elements */
.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-label span.badge {
  background: var(--primary-deep);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-family: var(--font-en);
}

.text-input, .textarea-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  color: var(--text-main);
  padding: 14px 16px;
  font-family: var(--font-ar);
  font-size: 0.95rem;
  outline: none;
  transition: var(--ease-fast);
  resize: vertical;
}

.textarea-input {
  min-height: 110px;
}

.text-input:focus, .textarea-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 8px rgba(37, 211, 102, 0.2);
  background: rgba(0, 0, 0, 0.35);
}

/* File Upload styling */
.file-upload-wrapper {
  position: relative;
  border: 2px dashed var(--border-glass);
  border-radius: 18px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--ease-normal);
  background: rgba(255, 255, 255, 0.01);
  overflow: hidden;
}

.file-upload-wrapper:hover, .file-upload-wrapper.dragover {
  border-color: var(--primary);
  background: rgba(37, 211, 102, 0.03);
}

.file-upload-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-upload-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--ease-spring);
  color: var(--text-muted);
}

.file-upload-wrapper:hover .file-upload-icon {
  transform: translateY(-5px);
  color: var(--primary);
  background: rgba(37, 211, 102, 0.1);
}

.file-upload-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.file-upload-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Copy controls inside fields */
.field-header-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn-inline-copy {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 6px;
  transition: var(--ease-fast);
}

.btn-inline-copy:hover {
  background: rgba(37, 211, 102, 0.1);
}

/* Focus Sender Area (Tab 2) */
.sender-card {
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 30px 24px;
}

.sender-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(to left, var(--primary), var(--accent-gold));
}

.sender-counter {
  font-family: var(--font-en);
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  justify-content: center;
  gap: 6px;
  align-items: center;
}

.progress-bar-container {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 24px;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(to left, var(--primary), #128c7e);
  border-radius: 10px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px var(--primary-glow);
}

.current-phone-display {
  font-family: var(--font-en);
  font-size: 1.85rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 1.5px;
  direction: ltr;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.current-status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.status-pending { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.status-sent { background: rgba(37, 211, 102, 0.15); color: var(--primary); }
.status-skipped { background: rgba(255, 255, 255, 0.08); color: var(--text-muted); }

/* Main Action Button (Open WhatsApp) */
.whatsapp-big-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 18px 24px;
  background: linear-gradient(135deg, #25D366, #128C7E);
  border: none;
  border-radius: 18px;
  color: white;
  font-family: var(--font-ar);
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
  transition: var(--ease-spring);
  text-decoration: none;
  margin-bottom: 20px;
}

.whatsapp-big-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.45);
}

.whatsapp-big-btn:active {
  transform: translateY(1px);
}

.whatsapp-big-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Secondary Navigation Buttons Grid */
.nav-buttons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 18px;
  border-radius: 14px;
  font-family: var(--font-ar);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--ease-fast);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.action-btn:active {
  transform: scale(0.98);
}

.action-btn.btn-success {
  background: rgba(37, 211, 102, 0.1);
  border-color: rgba(37, 211, 102, 0.2);
  color: var(--primary);
}

.action-btn.btn-success:hover {
  background: var(--primary);
  color: var(--text-dark);
}

.action-btn.btn-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.action-btn.btn-warning:hover {
  background: var(--warning);
  color: var(--text-dark);
}

/* Quick Copy Panel */
.quick-copy-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-glass);
  text-align: right;
}

.quick-copy-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.copy-badge-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--text-main);
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--ease-fast);
}

.copy-badge-btn:hover {
  border-color: var(--primary-glow);
  background: rgba(37, 211, 102, 0.05);
}

.copy-badge-btn span.label {
  font-weight: 600;
  max-width: 75%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.copy-badge-btn span.badge-action {
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 8px;
  border-radius: 6px;
  color: var(--text-muted);
}

.copy-badge-btn:hover span.badge-action {
  background: var(--primary-deep);
  color: var(--primary);
}

/* Queue List Panel */
.queue-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.queue-title {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.queue-search-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 8px 12px;
  color: var(--text-main);
  font-size: 0.85rem;
  font-family: var(--font-ar);
  margin-bottom: 12px;
  outline: none;
}

.queue-search-input:focus {
  border-color: var(--primary-glow);
}

.queue-list-container {
  max-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 4px;
}

.queue-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  font-family: var(--font-en);
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--ease-fast);
}

.queue-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.queue-item.active {
  border-color: var(--primary);
  background: rgba(37, 211, 102, 0.06);
}

.queue-item-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.queue-item-index {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.queue-item-phone {
  direction: ltr;
  font-weight: 500;
}

.queue-item-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.queue-item-status.pending { background-color: var(--warning); }
.queue-item-status.sent { background-color: var(--primary); }
.queue-item-status.skipped { background-color: var(--text-muted); }

/* Quick Actions in Settings */
.settings-actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.btn-danger-outline {
  flex: 1;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #f87171;
  padding: 10px;
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--font-ar);
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--ease-fast);
}

.btn-danger-outline:hover {
  background: var(--danger);
  color: white;
  box-shadow: 0 0 10px var(--danger-glow);
}

/* Empty State Styles */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* Fixed Navigation Bar at bottom */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10, 15, 12, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-top: 1px solid var(--border-glass);
  height: 70px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 100;
  max-width: 600px;
  margin: 0 auto;
}

.nav-item {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-ar);
  transition: var(--ease-fast);
}

.nav-item svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
  transition: var(--ease-spring);
}

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

.nav-item.active svg {
  transform: translateY(-2px);
  filter: drop-shadow(0 0 4px var(--primary-glow));
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 85px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(15, 25, 20, 0.95);
  border: 1px solid var(--primary-glow);
  color: var(--primary);
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  z-index: 200;
  pointer-events: none;
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s;
}

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

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
  0% { box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25); }
  50% { box-shadow: 0 4px 25px rgba(37, 211, 102, 0.5); }
  100% { box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25); }
}

/* Responsive adjustment */
@media (max-width: 480px) {
  .glass-panel {
    border-radius: 20px;
    padding: 16px;
    margin-bottom: 12px;
  }
  .current-phone-display {
    font-size: 1.6rem;
  }
  .whatsapp-big-btn {
    font-size: 1rem;
    padding: 16px 20px;
  }
}

/* ==========================================
   AI Panel & Toggle Switch Styles
   ========================================== */

/* Toggle Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
  flex-shrink: 0;
}

.switch input { opacity: 0; width: 0; height: 0; }

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.08);
  transition: var(--ease-normal);
  border: 1px solid var(--border-glass);
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-muted);
  transition: var(--ease-normal);
}

input:checked + .slider {
  background-color: rgba(124, 58, 237, 0.2);
  border-color: #7c3aed;
}

input:checked + .slider:before {
  transform: translateX(22px);
  background-color: #7c3aed;
  box-shadow: 0 0 8px rgba(124, 58, 237, 0.5);
}

.slider.round               { border-radius: 34px; }
.slider.round:before        { border-radius: 50%; }

/* AI Settings Card */
.ai-panel {
  border-color: rgba(124, 58, 237, 0.15);
  background: rgba(15, 10, 30, 0.6);
}

.ai-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}



/* AI Status Strip (Floating at the top of the viewport) */
.ai-status-strip {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 560px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: slideDownFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDownFadeIn {
  from {
    transform: translate(-50%, -20px);
    opacity: 0;
  }
  to {
    transform: translate(-50%, 0);
    opacity: 1;
  }
}

.ai-status-strip.loading {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.ai-status-strip.success {
  background: rgba(37, 211, 102, 0.08);
  border: 1px solid rgba(37, 211, 102, 0.2);
  color: var(--primary);
}

.ai-status-strip.error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #f87171;
}

/* Spinner */
.ai-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(245, 158, 11, 0.3);
  border-top-color: var(--warning);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

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

/* Disabled WhatsApp button state */
.whatsapp-big-btn.btn-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
  transform: none !important;
}