/**
 * Email Marketing Campaigns Styles
 * v=20250108a
 *
 * Components:
 * - CampaignsPage: Main container
 * - CampaignsStats: Quick stats cards
 * - CampaignsSuggestions: AI suggestion cards
 * - CampaignsList: Recent campaigns list
 * - CampaignsModal: Create campaign modal
 */

/* ============================================
   PAGE LAYOUT
   ============================================ */

.campaigns-page {
    padding: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

/* ============================================
   PAGE HEADER
   ============================================ */

.campaigns-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
}

.campaigns-header-left {
    flex: 1;
}

.campaigns-title {
    font-size: 28px;
    font-weight: 700;
    color: #111827;
    margin: 0 0 8px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.campaigns-subtitle {
    font-size: 14px;
    color: #6B7280;
    margin: 0;
}

.campaigns-create-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #FF6B35;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.campaigns-create-btn:hover {
    background: #E85A2A;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

/* ============================================
   STATS CARDS
   ============================================ */

.campaigns-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.campaigns-stat-card {
    background: #FFFFFF;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.campaigns-stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: #FFF7ED;
    color: #FF6B35;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.campaigns-stat-icon.stat-icon-green {
    background: #ECFDF5;
    color: #10B981;
}

.campaigns-stat-icon.stat-icon-blue {
    background: #EFF6FF;
    color: #3B82F6;
}

.campaigns-stat-icon.stat-icon-purple {
    background: #F5F3FF;
    color: #8B5CF6;
}

.campaigns-stat-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.campaigns-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: #111827;
    line-height: 1.2;
}

.campaigns-stat-label {
    font-size: 13px;
    color: #6B7280;
    font-weight: 500;
}

.campaigns-stat-period {
    font-size: 12px;
    color: #9CA3AF;
}

.campaigns-stat-trend {
    font-size: 12px;
    font-weight: 500;
}

.campaigns-stat-trend.trend-up {
    color: #10B981;
}

.campaigns-stat-trend.trend-down {
    color: #EF4444;
}

/* ============================================
   SECTIONS
   ============================================ */

.campaigns-section {
    margin-bottom: 32px;
}

.campaigns-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.campaigns-section-title {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.campaigns-section-title svg {
    color: #6B7280;
}

.campaigns-view-all {
    font-size: 13px;
    color: #FF6B35;
    text-decoration: none;
    font-weight: 500;
}

.campaigns-view-all:hover {
    text-decoration: underline;
}

/* ============================================
   AI SUGGESTIONS
   ============================================ */

.campaigns-suggestions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.campaigns-suggestions-loading {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background: #F9FAFB;
    border-radius: 12px;
    color: #6B7280;
    font-size: 14px;
}

.loading-spinner-small {
    width: 18px;
    height: 18px;
    border: 2px solid #E5E7EB;
    border-top-color: #FF6B35;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.campaigns-suggestion-card {
    background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
    border: 1px solid #FDE68A;
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.campaigns-suggestion-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: #FEF3C7;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #D97706;
}

.campaigns-suggestion-icon svg {
    width: 20px;
    height: 20px;
}

.campaigns-suggestion-content {
    flex: 1;
}

.campaigns-suggestion-title {
    font-size: 14px;
    font-weight: 600;
    color: #92400E;
    margin: 0 0 4px 0;
}

.campaigns-suggestion-desc {
    font-size: 13px;
    color: #A16207;
    margin: 0;
}

.campaigns-suggestion-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.campaigns-suggestion-btn {
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.campaigns-suggestion-btn.primary {
    background: #FF6B35;
    color: white;
    border: none;
}

.campaigns-suggestion-btn.primary:hover {
    background: #E85A2A;
}

.campaigns-suggestion-btn.secondary {
    background: white;
    color: #92400E;
    border: 1px solid #FDE68A;
}

.campaigns-suggestion-btn.secondary:hover {
    background: #FFFBEB;
}

.campaigns-suggestion-btn.dismiss {
    background: transparent;
    color: #A16207;
    border: none;
    padding: 8px;
}

.campaigns-suggestion-btn.dismiss:hover {
    color: #92400E;
}

.campaigns-no-suggestions {
    padding: 24px;
    background: #F9FAFB;
    border-radius: 12px;
    text-align: center;
    color: #6B7280;
    font-size: 14px;
}

/* ============================================
   CAMPAIGNS LIST
   ============================================ */

.campaigns-list {
    background: #FFFFFF;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    overflow: hidden;
}

.campaigns-list-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px;
    color: #6B7280;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid #E5E7EB;
    border-top-color: #FF6B35;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 12px;
}

.campaigns-list-item {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #E5E7EB;
    cursor: pointer;
    transition: background 0.15s ease;
}

.campaigns-list-item:last-child {
    border-bottom: none;
}

.campaigns-list-item:hover {
    background: #F9FAFB;
}

.campaigns-list-item-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: #FFF7ED;
    color: #FF6B35;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-right: 16px;
}

.campaigns-list-item-icon.status-sent {
    background: #ECFDF5;
    color: #10B981;
}

.campaigns-list-item-icon.status-draft {
    background: #F3F4F6;
    color: #6B7280;
}

.campaigns-list-item-icon.status-scheduled {
    background: #EFF6FF;
    color: #3B82F6;
}

.campaigns-list-item-content {
    flex: 1;
    min-width: 0;
}

.campaigns-list-item-title {
    font-size: 14px;
    font-weight: 600;
    color: #111827;
    margin: 0 0 4px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.campaigns-list-item-meta {
    font-size: 12px;
    color: #6B7280;
    display: flex;
    align-items: center;
    gap: 12px;
}

.campaigns-list-item-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}

.campaigns-list-item-status.sent {
    background: #ECFDF5;
    color: #059669;
}

.campaigns-list-item-status.draft {
    background: #F3F4F6;
    color: #6B7280;
}

.campaigns-list-item-status.scheduled {
    background: #EFF6FF;
    color: #2563EB;
}

.campaigns-list-item-status.sending {
    background: #FFF7ED;
    color: #EA580C;
}

.campaigns-list-item-stats {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
    margin-left: 16px;
}

.campaigns-list-item-stat {
    text-align: right;
}

.campaigns-list-item-stat-value {
    font-size: 14px;
    font-weight: 600;
    color: #111827;
}

.campaigns-list-item-stat-label {
    font-size: 11px;
    color: #9CA3AF;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.campaigns-empty {
    text-align: center;
    padding: 64px 32px;
    background: #F9FAFB;
    border-radius: 12px;
}

.campaigns-empty-icon {
    color: #D1D5DB;
    margin-bottom: 16px;
}

.campaigns-empty h3 {
    font-size: 18px;
    font-weight: 600;
    color: #374151;
    margin: 0 0 8px 0;
}

.campaigns-empty p {
    font-size: 14px;
    color: #6B7280;
    margin: 0 0 24px 0;
}

.campaigns-empty-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #FF6B35;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.campaigns-empty-btn:hover {
    background: #E85A2A;
}

/* ============================================
   MODAL
   ============================================ */

.campaigns-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.campaigns-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.campaigns-modal {
    background: white;
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

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

.campaigns-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #E5E7EB;
}

.campaigns-modal-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: #111827;
    margin: 0;
}

.campaigns-modal-close {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: #6B7280;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.campaigns-modal-close:hover {
    background: #F3F4F6;
    color: #374151;
}

.campaigns-modal-body {
    padding: 24px;
    flex: 1;
    overflow-y: auto;
}

.campaigns-modal-step-title {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
    margin: 0 0 20px 0;
}

.campaigns-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid #E5E7EB;
}

/* ============================================
   MODAL - AUDIENCE OPTIONS
   ============================================ */

.campaigns-audience-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.campaigns-audience-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: #FFFFFF;
    border: 2px solid #E5E7EB;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.campaigns-audience-option:hover {
    border-color: #FF6B35;
    background: #FFF7ED;
}

.campaigns-audience-option.selected {
    border-color: #FF6B35;
    background: #FFF7ED;
}

.campaigns-audience-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: #F3F4F6;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #6B7280;
}

.campaigns-audience-icon svg {
    width: 22px;
    height: 22px;
}

.campaigns-audience-option.selected .campaigns-audience-icon {
    background: #FFEDD5;
    color: #EA580C;
}

.campaigns-audience-content {
    flex: 1;
}

.campaigns-audience-title {
    font-size: 14px;
    font-weight: 600;
    color: #111827;
    margin: 0 0 4px 0;
}

.campaigns-audience-desc {
    font-size: 13px;
    color: #6B7280;
    margin: 0;
}

.campaigns-audience-count {
    font-size: 14px;
    font-weight: 600;
    color: #FF6B35;
    flex-shrink: 0;
}

/* ============================================
   MODAL - PREVIEW
   ============================================ */

.campaigns-preview {
    background: #F9FAFB;
    border-radius: 12px;
    padding: 20px;
}

.campaigns-preview-header {
    margin-bottom: 16px;
}

.campaigns-preview-header label,
.campaigns-preview-content label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: #6B7280;
    margin-bottom: 6px;
}

.campaigns-preview-subject {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: white;
}

.campaigns-preview-subject:focus {
    outline: none;
    border-color: #FF6B35;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.campaigns-preview-content {
    margin-bottom: 16px;
}

.campaigns-preview-body {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: white;
    resize: vertical;
    min-height: 200px;
}

.campaigns-preview-body:focus {
    outline: none;
    border-color: #FF6B35;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.campaigns-preview-actions {
    display: flex;
    gap: 12px;
}

/* ============================================
   BUTTONS
   ============================================ */

.campaigns-btn-primary {
    padding: 10px 20px;
    background: #FF6B35;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.campaigns-btn-primary:hover {
    background: #E85A2A;
}

.campaigns-btn-primary:disabled {
    background: #FDBA74;
    cursor: not-allowed;
}

.campaigns-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: white;
    color: #374151;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.campaigns-btn-secondary:hover {
    background: #F9FAFB;
    border-color: #D1D5DB;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .campaigns-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .campaigns-page {
        padding: 20px 16px;
    }

    .campaigns-header {
        flex-direction: column;
        gap: 16px;
    }

    .campaigns-header-right {
        width: 100%;
    }

    .campaigns-create-btn {
        width: 100%;
        justify-content: center;
    }

    .campaigns-stats {
        grid-template-columns: 1fr;
    }

    .campaigns-suggestion-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .campaigns-suggestion-actions {
        width: 100%;
        margin-top: 12px;
    }

    .campaigns-list-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .campaigns-list-item-stats {
        margin-left: 0;
        width: 100%;
        justify-content: flex-start;
    }

    .campaigns-modal {
        width: 100%;
        max-width: none;
        height: 100%;
        max-height: none;
        border-radius: 0;
    }
}

/* ============================================
   CONFIRMATION MODAL
   ============================================ */

.campaigns-confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.campaigns-confirm-overlay.active {
    opacity: 1;
    visibility: visible;
}

.campaigns-confirm-modal {
    background: white;
    border-radius: 16px;
    padding: 32px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.2s ease;
}

.campaigns-confirm-overlay.active .campaigns-confirm-modal {
    transform: scale(1) translateY(0);
}

.campaigns-confirm-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #FFF7ED;
    color: #FF6B35;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.campaigns-confirm-icon svg {
    width: 28px;
    height: 28px;
}

.campaigns-confirm-icon.success {
    background: #ECFDF5;
    color: #10B981;
}

.campaigns-confirm-icon.error {
    background: #FEF2F2;
    color: #EF4444;
}

.campaigns-confirm-icon.warning {
    background: #FFFBEB;
    color: #F59E0B;
}

.campaigns-confirm-icon.info {
    background: #EFF6FF;
    color: #3B82F6;
}

.campaigns-confirm-title {
    font-size: 18px;
    font-weight: 600;
    color: #111827;
    margin: 0 0 8px 0;
}

.campaigns-confirm-message {
    font-size: 14px;
    color: #6B7280;
    margin: 0 0 24px 0;
    line-height: 1.5;
}

.campaigns-confirm-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.campaigns-confirm-btn {
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    min-width: 100px;
}

.campaigns-confirm-btn.primary {
    background: #FF6B35;
    color: white;
    border: none;
}

.campaigns-confirm-btn.primary:hover {
    background: #E85A2A;
}

.campaigns-confirm-btn.secondary {
    background: white;
    color: #374151;
    border: 1px solid #E5E7EB;
}

.campaigns-confirm-btn.secondary:hover {
    background: #F9FAFB;
    border-color: #D1D5DB;
}

.campaigns-confirm-btn.danger {
    background: #EF4444;
    color: white;
    border: none;
}

.campaigns-confirm-btn.danger:hover {
    background: #DC2626;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.campaigns-toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.campaigns-toast {
    background: white;
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15), 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    min-width: 320px;
    max-width: 420px;
    pointer-events: auto;
    transform: translateX(120%);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.campaigns-toast.show {
    transform: translateX(0);
    opacity: 1;
}

.campaigns-toast.hiding {
    transform: translateX(120%);
    opacity: 0;
}

.campaigns-toast-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.campaigns-toast-icon svg {
    width: 14px;
    height: 14px;
}

.campaigns-toast.success .campaigns-toast-icon {
    background: #ECFDF5;
    color: #10B981;
}

.campaigns-toast.error .campaigns-toast-icon {
    background: #FEF2F2;
    color: #EF4444;
}

.campaigns-toast.warning .campaigns-toast-icon {
    background: #FFFBEB;
    color: #F59E0B;
}

.campaigns-toast.info .campaigns-toast-icon {
    background: #EFF6FF;
    color: #3B82F6;
}

.campaigns-toast-content {
    flex: 1;
    min-width: 0;
}

.campaigns-toast-title {
    font-size: 14px;
    font-weight: 600;
    color: #111827;
    margin: 0 0 4px 0;
}

.campaigns-toast-message {
    font-size: 13px;
    color: #6B7280;
    margin: 0;
    line-height: 1.4;
}

.campaigns-toast-close {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: #9CA3AF;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 4px;
    transition: all 0.15s ease;
}

.campaigns-toast-close:hover {
    background: #F3F4F6;
    color: #6B7280;
}

.campaigns-toast-close svg {
    width: 14px;
    height: 14px;
}

/* Toast progress bar */
.campaigns-toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: #FF6B35;
    border-radius: 0 0 0 12px;
    animation: toast-progress 4s linear forwards;
}

.campaigns-toast.success .campaigns-toast-progress {
    background: #10B981;
}

.campaigns-toast.error .campaigns-toast-progress {
    background: #EF4444;
}

.campaigns-toast.warning .campaigns-toast-progress {
    background: #F59E0B;
}

.campaigns-toast.info .campaigns-toast-progress {
    background: #3B82F6;
}

@keyframes toast-progress {
    from { width: 100%; }
    to { width: 0%; }
}

/* Mobile responsive for toasts */
@media (max-width: 768px) {
    .campaigns-toast-container {
        top: auto;
        bottom: 80px;
        right: 16px;
        left: 16px;
    }

    .campaigns-toast {
        min-width: auto;
        max-width: none;
        width: 100%;
    }

    .campaigns-confirm-modal {
        width: calc(100% - 32px);
        margin: 16px;
    }
}