/* ==========================================================================
   Modern RTL Arabic Survey Design System
   Font: Cairo & Readex Pro (Google Fonts)
   Theme: Midnight Indigo & Emerald Glassmorphism
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&family=Readex+Pro:wght@300;400;500;600;700&display=swap');

:root {
  /* Color Tokens - Light/Default Modern Palette */
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
  --surface-bg: rgba(255, 255, 255, 0.95);
  --card-bg: rgba(255, 255, 255, 0.9);
  --card-border: rgba(226, 232, 240, 0.8);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.4);
  
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #e0e7ff;
  --primary-glow: rgba(79, 70, 229, 0.35);
  
  --accent: #10b981;
  --accent-hover: #059669;
  --accent-light: #d1fae5;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --input-bg: #f8fafc;
  --input-border: #cbd5e1;
  --input-focus-border: #6366f1;
  
  --danger: #ef4444;
  --danger-light: #fef2f2;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 35px -10px rgba(79, 70, 229, 0.2);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --surface-bg: rgba(15, 23, 42, 0.95);
  --card-bg: rgba(30, 41, 59, 0.85);
  --card-border: rgba(51, 65, 85, 0.7);
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  
  --input-bg: rgba(15, 23, 42, 0.6);
  --input-border: #334155;
  --input-focus-border: #818cf8;
  
  --primary-light: rgba(99, 102, 241, 0.2);
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  direction: rtl;
  font-family: 'Cairo', 'Readex Pro', system-ui, -apple-system, sans-serif;
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  min-height: 100vh;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  padding: 2rem 1rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  position: relative;
  overflow-x: hidden;
}

/* Background Animated Orbs */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
  animation: floatOrb 20s infinite alternate ease-in-out;
}

.bg-orb-1 {
  width: 400px;
  height: 400px;
  background: #6366f1;
  top: -100px;
  right: -100px;
}

.bg-orb-2 {
  width: 500px;
  height: 500px;
  background: #10b981;
  bottom: -150px;
  left: -150px;
  animation-delay: -10s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 60px) scale(1.1); }
}

/* Main Container Layout */
.app-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

/* Header Component */
.header-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.header-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, #6366f1, #10b981, #3b82f6);
}

.header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.header-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.75rem;
  letter-spacing: -0.5px;
}

.header-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 700px;
  margin: 0 auto;
}

/* Top Toolbar (Theme Toggle & Auto-save Status) */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0 0.5rem;
}

.draft-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.draft-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.theme-toggle-btn {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.875rem;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Modern Wizard Stepper Card */
.wizard-progress-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2.5rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
}

.wizard-progress {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.wizard-progress::before {
  content: '';
  position: absolute;
  top: 26px;
  left: 2rem;
  right: 2rem;
  height: 4px;
  background: var(--card-border);
  border-radius: 4px;
  z-index: 0;
}

.progress-line-fill {
  position: absolute;
  top: 26px;
  right: 2rem;
  height: 4px;
  background: linear-gradient(90deg, #6366f1, #10b981);
  border-radius: 4px;
  z-index: 0;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0%;
}

.step-item {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  transition: var(--transition);
}

.step-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--surface-bg);
  border: 2.5px solid var(--input-border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.step-icon-box .step-icon {
  font-size: 1.25rem;
  transition: var(--transition);
}

.step-icon-box .step-check {
  font-size: 1.2rem;
  display: none;
}

.step-item:hover .step-icon-box {
  transform: translateY(-2px);
  border-color: var(--primary);
  color: var(--primary);
}

.step-item.active .step-icon-box {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 0 0 6px var(--primary-glow), 0 8px 16px rgba(79, 70, 229, 0.3);
  transform: scale(1.08);
}

.step-item.completed .step-icon-box {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.step-item.completed .step-icon {
  display: none;
}

.step-item.completed .step-check {
  display: block;
}

.step-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}

.step-item.active .step-label {
  color: var(--primary);
  font-weight: 800;
}

.step-item.completed .step-label {
  color: var(--accent);
  font-weight: 700;
}

/* Main Form Card */
.form-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
}

.step-panel {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.step-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px dashed var(--card-border);
}

.section-icon {
  width: 42px;
  height: 42px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.section-title-text {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Grid System */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.full-width {
  grid-column: span 2;
}

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .full-width {
    grid-column: span 1;
  }
  .form-card {
    padding: 1.5rem;
  }
  .header-card {
    padding: 1.75rem 1rem;
  }
  .header-title {
    font-size: 1.5rem;
  }
}

/* Form Group Controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}

.form-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.required-tag {
  background: var(--danger-light);
  color: var(--danger);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-right: auto;
}

.optional-tag {
  background: var(--input-bg);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  border: 1.5px solid var(--input-border);
  margin-right: auto;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  right: 1rem;
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
  transition: var(--transition);
}

.form-control {
  width: 100%;
  padding: 0.85rem 2.8rem 0.85rem 1rem;
  background: var(--input-bg);
  border: 1.5px solid var(--input-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-main);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--input-focus-border);
  background: var(--surface-bg);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

.form-control:focus + .input-icon {
  color: var(--primary);
}

.form-control.is-invalid {
  border-color: var(--danger);
  background-color: var(--danger-light);
}

.error-message {
  font-size: 0.8rem;
  color: var(--danger);
  font-weight: 600;
  display: none;
}

.form-group.has-error .error-message {
  display: block;
}

/* Select Box Custom Styling */
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2064748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 1rem center;
  background-size: 1.2rem;
  padding-left: 2.5rem;
}

/* Custom Radio Choice Cards */
.radio-group-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.radio-card {
  position: relative;
  background: var(--input-bg);
  border: 2px solid var(--input-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  transition: var(--transition);
  user-select: none;
}

.radio-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.radio-custom {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.radio-custom::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  transform: scale(0);
  transition: transform 0.2s ease;
}

.radio-card:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.radio-card input[type="radio"]:checked + .radio-custom {
  border-color: var(--primary);
}

.radio-card input[type="radio"]:checked + .radio-custom::after {
  transform: scale(1);
}

.radio-card input[type="radio"]:checked ~ .radio-text {
  color: var(--primary);
  font-weight: 700;
}

.radio-card.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}

/* Preferences Cards Styling */
.pref-card {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  transition: var(--transition);
}

.pref-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.pref-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--card-border);
}

.pref-badge {
  background: var(--primary);
  color: #ffffff;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

/* Navigation Buttons */
.wizard-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--card-border);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-accent {
  background: var(--accent);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.btn-accent:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--input-bg);
  color: var(--text-main);
  border: 1.5px solid var(--input-border);
}

.btn-secondary:hover {
  background: var(--card-border);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Summary Review Panel */
.review-summary {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.review-box {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.review-box-title {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (max-width: 640px) {
  .review-grid {
    grid-template-columns: 1fr;
  }
}

.review-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.review-key {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.review-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.review-pref-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
}

.review-pref-table th,
.review-pref-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--card-border);
  text-align: right;
  font-size: 0.9rem;
}

.review-pref-table th {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
}

/* Backend Config Collapsible Bar */
.config-accordion {
  margin-bottom: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.config-toggle {
  padding: 0.85rem 1.25rem;
  background: var(--input-bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-muted);
}

.config-content {
  padding: 1.25rem;
  display: none;
  border-top: 1px solid var(--card-border);
}

.config-accordion.open .config-content {
  display: block;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  padding: 1rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--surface-bg);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.success-icon {
  width: 72px;
  height: 72px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 1.5rem auto;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: var(--card-bg);
  color: var(--text-main);
  border-right: 4px solid var(--primary);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.9rem;
  animation: slideIn 0.3s ease;
}

.toast.error {
  border-right-color: var(--danger);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Device Blocked Notice Card */
.device-blocked-card {
  background: var(--danger-light);
  border: 2px solid var(--danger);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-md);
  animation: slideIn 0.4s ease;
}

[data-theme="dark"] .device-blocked-card {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.5);
}

.device-blocked-card .blocked-icon {
  width: 54px;
  height: 54px;
  background: var(--danger);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.device-blocked-card .blocked-content h3 {
  color: var(--danger);
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.device-blocked-card .blocked-content p {
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 500;
  margin: 0;
}

/* Locked Form State */
.form-card.device-locked {
  opacity: 0.65;
  pointer-events: none;
  filter: grayscale(15%);
}

.device-locked input, 
.device-locked select, 
.device-locked button {
  cursor: not-allowed !important;
}

/* Print Stylesheet */
@media print {
  body {
    background: #ffffff;
    color: #000000;
    padding: 0;
  }
  .bg-orb, .wizard-progress, .wizard-actions, .top-bar, .config-accordion, .device-blocked-card {
    display: none !important;
  }
  .form-card, .header-card {
    box-shadow: none;
    border: none;
    background: transparent;
  }
  .step-panel {
    display: block !important;
  }
}