/* 
   ?? PROFESSIONAL EMAIL CAMPAIGN DESIGNER STYLES
   Mobile-first, accessible, and industry-leading design
*/

/* ============================================
   ?? GLOBAL VARIABLES & RESET
   ============================================ */
:root {
    /* Brand Colors */
    --campaign-primary: #4f46e5;
    --campaign-primary-dark: #4338ca;
    --campaign-primary-light: #818cf8;
    --campaign-secondary: #10b981;
    --campaign-danger: #ef4444;
    --campaign-warning: #f59e0b;
    --campaign-info: #3b82f6;
    
    /* Neutral Colors */
    --campaign-gray-50: #f9fafb;
    --campaign-gray-100: #f3f4f6;
    --campaign-gray-200: #e5e7eb;
    --campaign-gray-300: #d1d5db;
    --campaign-gray-400: #9ca3af;
    --campaign-gray-500: #6b7280;
    --campaign-gray-600: #4b5563;
    --campaign-gray-700: #374151;
    --campaign-gray-800: #1f2937;
    --campaign-gray-900: #111827;
    
    /* Spacing */
    --campaign-space-xs: 0.5rem;
    --campaign-space-sm: 0.75rem;
    --campaign-space-md: 1rem;
    --campaign-space-lg: 1.5rem;
    --campaign-space-xl: 2rem;
    --campaign-space-2xl: 3rem;
    
    /* Border Radius */
    --campaign-radius-sm: 0.375rem;
    --campaign-radius-md: 0.5rem;
    --campaign-radius-lg: 0.75rem;
    --campaign-radius-xl: 1rem;
    
    /* Shadows */
    --campaign-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --campaign-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --campaign-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
 --campaign-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --campaign-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   ?? HEADER SECTION
   ============================================ */
.campaign-header {
background: linear-gradient(135deg, var(--campaign-primary) 0%, var(--campaign-primary-dark) 100%);
    padding: var(--campaign-space-lg) var(--campaign-space-md);
    margin-bottom: var(--campaign-space-xl);
    box-shadow: var(--campaign-shadow-lg);
}

.campaign-header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--campaign-space-md);
}

.campaign-header-icon {
    width: 56px;
    height: 56px;
  background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--campaign-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.campaign-header-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: white;
    margin: 0;
  letter-spacing: -0.025em;
}

.campaign-header-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
  margin: 0.25rem 0 0 0;
}

/* ============================================
   ?? LAYOUT CONTAINER
   ============================================ */
.campaign-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--campaign-space-md) var(--campaign-space-2xl);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--campaign-space-lg);
}

@media (min-width: 1024px) {
    .campaign-container {
        grid-template-columns: 450px 1fr;
 gap: var(--campaign-space-xl);
    }
}

/* ============================================
   ?? CARD COMPONENTS
   ============================================ */
.campaign-card {
    background: white;
    border-radius: var(--campaign-radius-xl);
    box-shadow: var(--campaign-shadow-md);
    padding: var(--campaign-space-lg);
    margin-bottom: var(--campaign-space-lg);
    transition: var(--campaign-transition);
    border: 1px solid var(--campaign-gray-200);
}

.campaign-card:hover {
    box-shadow: var(--campaign-shadow-lg);
    border-color: var(--campaign-primary-light);
}

.campaign-card-header {
    display: flex;
  align-items: center;
    gap: var(--campaign-space-sm);
    margin-bottom: var(--campaign-space-lg);
    padding-bottom: var(--campaign-space-md);
    border-bottom: 2px solid var(--campaign-gray-100);
  color: var(--campaign-primary);
}

.campaign-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--campaign-gray-900);
    margin: 0;
}

/* ============================================
   ?? FORM ELEMENTS
   ============================================ */
.campaign-form-group {
 margin-bottom: var(--campaign-space-lg);
}

.campaign-form-label {
    display: flex;
    align-items: center;
    gap: var(--campaign-space-xs);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--campaign-gray-700);
    margin-bottom: var(--campaign-space-xs);
}

.campaign-form-label-body {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--campaign-gray-800);
  margin-bottom: var(--campaign-space-md);
    padding-bottom: var(--campaign-space-xs);
    border-bottom: 2px solid var(--campaign-gray-100);
}

.campaign-textarea {
    width: 100%;
 min-height: 120px;
    padding: var(--campaign-space-md);
    border: 2px solid var(--campaign-gray-200);
    border-radius: var(--campaign-radius-md);
    font-size: 0.9375rem;
  transition: var(--campaign-transition);
    resize: vertical;
}

.campaign-textarea-expanded {
    min-height: 200px;
}

.campaign-textarea:focus,
.campaign-textarea-expanded:focus {
    outline: none;
    border-color: var(--campaign-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.campaign-input-wrapper {
    position: relative;
}

.campaign-input {
    width: 100%;
    padding: var(--campaign-space-md);
    border: 2px solid var(--campaign-gray-200);
    border-radius: var(--campaign-radius-md);
    font-size: 0.9375rem;
    transition: var(--campaign-transition);
}

.campaign-input:focus {
    outline: none;
    border-color: var(--campaign-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.campaign-input-valid {
    border-color: var(--campaign-secondary);
    background-color: #f0fdf4;
}

.campaign-input-valid:focus {
    border-color: var(--campaign-secondary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.campaign-input-typing {
    border-color: var(--campaign-info);
    background-color: #eff6ff;
}

.campaign-input-invalid {
    border-color: var(--campaign-danger);
    background-color: #fef2f2;
}

.campaign-validation-icon {
    position: absolute;
    right: var(--campaign-space-md);
    top: 50%;
transform: translateY(-50%);
    pointer-events: none;
}

.campaign-icon-success { color: var(--campaign-secondary); }
.campaign-icon-typing { color: var(--campaign-info); animation: pulse 1.5s ease-in-out infinite; }
.campaign-icon-error { color: var(--campaign-danger); }

.campaign-checkbox-group {
    margin-bottom: var(--campaign-space-sm);
}

/* ============================================
   ??? IMAGE UPLOAD SECTION
   ============================================ */
.campaign-image-upload {
    display: flex;
    flex-direction: column;
    gap: var(--campaign-space-md);
}

.campaign-image-preview-container {
    position: relative;
    border-radius: var(--campaign-radius-lg);
    overflow: hidden;
    box-shadow: var(--campaign-shadow-md);
    border: 2px solid var(--campaign-gray-200);
    background: var(--campaign-gray-50);
}

.campaign-image-preview {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    max-height: 300px;
}

.campaign-image-remove {
    position: absolute;
    top: var(--campaign-space-sm);
    right: var(--campaign-space-sm);
    width: 32px;
    height: 32px;
    background: rgba(239, 68, 68, 0.95);
    border: none;
    border-radius: 50%;
 color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--campaign-transition);
    box-shadow: var(--campaign-shadow-md);
}

.campaign-image-remove:hover {
    background: #dc2626;
    transform: scale(1.1);
}

/* ============================================
   ?? BUTTON STYLES
   ============================================ */
.campaign-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--campaign-space-xs);
    padding: var(--campaign-space-md) var(--campaign-space-lg);
    border: none;
    border-radius: var(--campaign-radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: var(--campaign-transition);
    box-shadow: var(--campaign-shadow-sm);
}

.campaign-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.campaign-btn-primary {
    background: linear-gradient(135deg, var(--campaign-primary) 0%, var(--campaign-primary-dark) 100%);
    color: white;
}

.campaign-btn-primary:not(:disabled):hover {
    box-shadow: var(--campaign-shadow-lg);
    transform: translateY(-1px);
}

.campaign-btn-secondary {
    background: white;
    color: var(--campaign-primary);
    border: 2px solid var(--campaign-primary);
}

.campaign-btn-secondary:not(:disabled):hover {
    background: var(--campaign-primary);
    color: white;
}

.campaign-btn-full {
    width: 100%;
}

.campaign-btn-send {
    padding: 1rem 1.5rem;
 font-size: 1rem;
}

/* ============================================
   ?? PREVIEW SECTION
   ============================================ */
.campaign-preview-card {
    min-height: 500px;
}

.campaign-preview-container {
    border: 2px solid var(--campaign-gray-200);
    border-radius: var(--campaign-radius-lg);
    padding: var(--campaign-space-lg);
    background: var(--campaign-gray-50);
    min-height: 400px;
    overflow: auto;
}

.campaign-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: var(--campaign-gray-400);
}

.campaign-empty-state svg {
    margin-bottom: var(--campaign-space-md);
    opacity: 0.5;
}

.campaign-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: var(--campaign-primary);
    gap: var(--campaign-space-md);
}

/* ============================================
   ?? EMAIL GRID
   ============================================ */
.campaign-email-grid {
    margin-top: var(--campaign-space-md);
    border: 1px solid var(--campaign-gray-200);
    border-radius: var(--campaign-radius-lg);
    overflow: hidden;
}

.campaign-email-cell {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.campaign-email-address {
    font-weight: 500;
    color: var(--campaign-gray-900);
}

.campaign-verdict-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.campaign-verdict-valid {
    background: #d1fae5;
    color: #065f46;
}

.campaign-verdict-risky {
    background: #fef3c7;
    color: #92400e;
}

.campaign-verdict-invalid {
    background: #fee2e2;
    color: #991b1b;
}

.campaign-verdict-unknown {
    background: var(--campaign-gray-100);
    color: var(--campaign-gray-600);
}

.campaign-actions {
    display: flex;
    gap: var(--campaign-space-xs);
    justify-content: center;
}

.campaign-action-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--campaign-radius-md);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--campaign-transition);
}

.campaign-action-edit {
    background: #e0e7ff;
    color: var(--campaign-primary);
}

.campaign-action-edit:not(:disabled):hover {
    background: var(--campaign-primary);
    color: white;
    transform: scale(1.1);
}

.campaign-action-edit:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.campaign-action-delete {
    background: #fee2e2;
    color: var(--campaign-danger);
}

.campaign-action-delete:hover {
    background: var(--campaign-danger);
    color: white;
    transform: scale(1.1);
}

/* ============================================
   ?? PROGRESS BAR
   ============================================ */
.campaign-progress {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: var(--campaign-radius-md);
    padding: var(--campaign-space-md);
    margin-top: var(--campaign-space-md);
}

.campaign-progress-header {
display: flex;
 justify-content: space-between;
  align-items: center;
    font-size: 0.875rem;
    font-weight: 500;
    color: #1e40af;
    margin-bottom: var(--campaign-space-sm);
}

.campaign-progress-bar {
    height: 8px;
    background: #dbeafe;
    border-radius: 9999px;
    overflow: hidden;
}

.campaign-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6 0%, #2563eb 100%);
    transition: width 0.3s ease;
    border-radius: 9999px;
}

/* ============================================
   ?? ANIMATIONS
   ============================================ */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.campaign-spinner {
    animation: spin 1s linear infinite;
}

.campaign-spinner-lg {
    animation: spin 1.5s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.campaign-badge-pulse {
 animation: pulse 2s ease-in-out infinite;
}

/* ============================================
   ?? RECIPIENT CONTROLS
   ============================================ */
.campaign-recipient-controls {
    display: flex;
    flex-direction: column;
    gap: var(--campaign-space-md);
    margin-bottom: var(--campaign-space-md);
}

@media (min-width: 768px) {
    .campaign-recipient-controls {
      flex-direction: row;
        align-items: flex-end;
    }
    
    .campaign-recipient-controls .campaign-form-group {
   flex: 1;
        margin-bottom: 0;
    }
}

.campaign-dropdown {
    width: 100%;
}

/* ============================================
   ??? DIALOG STYLES
   ============================================ */
.campaign-dialog .e-dialog {
    border-radius: var(--campaign-radius-xl);
    overflow: hidden;
}

.campaign-dialog-header {
    display: flex;
    align-items: center;
    gap: var(--campaign-space-sm);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--campaign-gray-900);
}

.campaign-dialog-content {
    padding: var(--campaign-space-lg);
}

/* ============================================
   ?? RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 640px) {
    .campaign-header {
        padding: var(--campaign-space-md) var(--campaign-space-sm);
 }
    
    .campaign-header-icon {
        width: 48px;
    height: 48px;
    }
    
    .campaign-header-title {
        font-size: 1.5rem;
    }
 
    .campaign-header-subtitle {
        font-size: 0.875rem;
    }
    
    .campaign-container {
        padding: 0 var(--campaign-space-sm) var(--campaign-space-lg);
    }
    
  .campaign-card {
        padding: var(--campaign-space-md);
        margin-bottom: var(--campaign-space-md);
    }

    .campaign-preview-container {
        padding: var(--campaign-space-md);
    }
}

/* ============================================
   ?? BADGE COMPONENTS
   ============================================ */
.campaign-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: #eff6ff;
    color: #1e40af;
}

/* ============================================
   ?? DARK MODE SUPPORT (Optional)
   ============================================ */
@media (prefers-color-scheme: dark) {
    /* Add dark mode styles if needed */
}

/* ============================================
   ? ACCESSIBILITY
   ============================================ */
.campaign-btn:focus-visible,
.campaign-input:focus-visible,
.campaign-textarea:focus-visible {
    outline: 2px solid var(--campaign-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
    animation-duration: 0.01ms !important;
 animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}