/**
 * AI Campaign Generation Wizard - Main Stylesheet
 * Comprehensive styles for all 4 wizard steps
 * PHP 5.6.40 | Responsive design
 */

/* ===================================================================
   CSS Custom Properties (Variables)
   =================================================================== */

:root {
    /* Primary Colors */
    --primary: #2189c0;
    --primary-hover: #0e7ab6;
    --success: #4BBF73;
    --warning: #f59e0b;
    --danger: #ef4444;
    --neutral: #e5e7eb;

    /* Grayscale */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 10px 25px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* ===================================================================
   Reset & Base Styles
   =================================================================== */

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--gray-700);
    background-color: var(--gray-50);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* ===================================================================
   Layout
   =================================================================== */

.wizard-wrapper {
    padding: var(--spacing-xl) 0;
}

.wizard-container {
    max-width: 1200px !important;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.wizard-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.wizard-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 var(--spacing-sm) 0;
}

.wizard-title i {
    color: var(--primary);
}

.wizard-description {
    font-size: 16px;
    color: var(--gray-500);
    margin: 0;
}

/* ===================================================================
   Wizard Card
   =================================================================== */

.wizard-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    animation: slideIn var(--transition-slow);
}

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

.wizard-card-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 var(--spacing-sm) 0;
}

.wizard-card-subtitle {
    font-size: 14px;
    color: var(--gray-500);
    margin: 0 0 var(--spacing-lg) 0;
}

/* ===================================================================
   Forms
   =================================================================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.required {
    color: var(--danger);
}

.form-control {
    width: 100%;
    font-size: 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(33, 137, 192, 0.1);
}

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

.invalid-feedback {
    display: none;
    font-size: 12px;
    color: var(--danger);
    margin-top: var(--spacing-xs);
}

.form-text {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

textarea.form-control {
    resize: vertical;
}

.form-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 var(--spacing-md) 0;
}

.section-subtitle {
    font-size: 14px;
    color: var(--gray-500);
    margin: 0 0 var(--spacing-md) 0;
}

/* Checkboxes and Radios */
.channels-group,
.discount-type-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-check {
    display: flex;
    align-items: center;
}

.form-check-input {
    margin-right: var(--spacing-sm);
}

.form-check-label {
    margin-bottom: 0 !important;
    margin-left: 4px !important;
}

/* ===================================================================
   Buttons
   =================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

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

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

.btn-secondary {
    background-color: var(--gray-500);
    color: #ffffff;
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--gray-600);
}

.btn-success {
    background-color: var(--success);
    color: #ffffff;
}

.btn-success:hover:not(:disabled) {
    background-color: #3da85f;
}

.btn-outline-primary {
    background-color: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-outline-primary:hover:not(:disabled) {
    background-color: var(--primary);
    color: #ffffff;
}

.btn-outline-secondary {
    background-color: transparent;
    border: 1px solid var(--gray-400);
    color: var(--gray-700);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn i {
    margin-right: var(--spacing-xs);
}

.btn i:last-child {
    margin-right: 0;
    margin-left: var(--spacing-xs);
}

/* ===================================================================
   Wizard Navigation
   =================================================================== */

.wizard-nav {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

/* ===================================================================
   Step 2: Concept Tabs
   =================================================================== */

.concept-tabs {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-lg) 0;
    border-bottom: 2px solid var(--gray-200);
}

.concept-tab {
    flex: 1;
    text-align: center;
    padding: var(--spacing-md);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-base);
    position: relative;
}

.concept-tab:hover {
    background-color: var(--gray-50);
}

.concept-tab.active {
    border-bottom-color: var(--primary);
    background-color: rgba(33, 137, 192, 0.05);
}

.tab-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-700);
}

.concept-tab.active .tab-label {
    color: var(--primary);
}

.tab-content-container {
    position: relative;
}

.tab-content {
    display: none;
}

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

.selection-info {
    padding: var(--spacing-md);
    background-color: #e3f2fd;
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.selection-info p {
    margin: 0;
    font-size: 14px;
    color: var(--gray-700);
}

.nav-right {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.sms-bubble {
    background-color: #e8f5e9;
    color: var(--gray-800);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 13px;
    max-width: 250px;
}

.coupon-display-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.coupon-code-display {
    margin-top: var(--spacing-md);
    background: var(--primary);
    color: #ffffff;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
    text-align: center;
    font-family: 'Courier New', monospace;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* ===================================================================
   Step 3: Optimize Mode (Split View)
   =================================================================== */

.optimize-container {
    display: grid;
    grid-template-columns: 1fr 450px;
    gap: var(--spacing-lg);
    min-height: 600px;
}

/* Preview Panel (Left) */
.preview-panel {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: #ffffff;
    border-bottom: 1px solid var(--gray-200);
}

.preview-header h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.history-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.history-buttons .btn {
    font-size: 12px;
    padding: 4px 10px;
}

.preview-content {
    padding: var(--spacing-lg);
    max-height: 550px;
    overflow-y: auto;
}

.preview-section {
    margin-bottom: var(--spacing-lg);
}

.preview-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    margin: 0 0 var(--spacing-xs) 0;
}

.preview-value {
    font-size: 14px;
    color: var(--gray-800);
    line-height: 1.6;
}

.email-card {
    background: #ffffff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.email-subject {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.email-body {
    margin: var(--spacing-md) 0;
    line-height: 1.6;
}

.email-footer {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--gray-200);
}

.sms-phone {
    display: inline-block;
}

/* Chat Panel (Right) */
.chat-panel {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.chat-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--primary);
    color: #ffffff;
    border-bottom: 1px solid var(--primary-hover);
}

.chat-header h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.chat-messages {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
    max-height: 450px;
}

.chat-message {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

.user-message {
    background-color: var(--gray-100);
    margin-left: 20px;
}

.assistant-message {
    background-color: #e3f2fd;
    margin-right: 20px;
}

.assistant-message.error-message {
    background-color: #ffebee;
    border-left: 3px solid var(--danger);
}

.message-content {
    font-size: 13px;
    line-height: 1.5;
}

.message-content strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.chat-input-area {
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.chat-input-area textarea {
    margin-bottom: var(--spacing-sm);
    resize: none;
}

.chat-input-area .btn {
    width: 100%;
}

/* ===================================================================
   Step 4: Review and Launch
   =================================================================== */

.review-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.review-section {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.summary-grid.summary-grid-3rows {
    grid-template-columns: repeat(3, 1fr);
}

.summary-grid-3rows .summary-item.full-width {
    grid-column: 1 / -1;
}

.summary-item {
    display: flex;
    flex-direction: column;
}

.summary-item.full-width {
    grid-column: 1 / -1;
}

.summary-item label {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.summary-item span {
    font-size: 14px;
    color: var(--gray-800);
}

.review-coupon-preview {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xs);
}

.review-coupon-amount {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
}

.review-coupon-code-display {
    display: inline-block;
    background: var(--primary);
    color: #ffffff !important;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 700;
    letter-spacing: 2px;
    font-family: 'Courier New', monospace;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.channel-badges {
    display: flex;
    gap: var(--spacing-xs);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-sm);
}

.badge-primary {
    background-color: var(--primary);
    color: #ffffff;
}

.badge i {
    margin-right: var(--spacing-xs);
}

.content-preview {
    margin-top: var(--spacing-md);
}

.content-preview h5 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.email-preview-box,
.sms-preview-box {
    background: #ffffff;
    border: 1px solid var(--gray-200);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.email-subject-line,
.email-body-preview,
.email-footer-preview {
    margin-bottom: var(--spacing-sm);
}

.rule-info ul {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
}

/* ===================================================================
   Success Modal
   =================================================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.modal-dialog {
    width: 90%;
    max-width: 500px;
}

.modal-content {
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.text-success {
    color: var(--success);
}

/* ===================================================================
   Loading Overlay
   =================================================================== */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-modal {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    max-width: 400px;
}

.loading-spinner {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.loading-title {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 var(--spacing-sm) 0;
}

.loading-message {
    font-size: 14px;
    color: var(--gray-600);
    margin: 0;
}

/* ===================================================================
   Responsive Design
   =================================================================== */

@media (max-width: 768px) {
    .optimize-container {
        grid-template-columns: 1fr;
    }

    .chat-panel {
        order: -1;
        min-height: 300px;
    }

    .concepts-grid {
        grid-template-columns: 1fr;
    }

    .summary-grid {
        grid-template-columns: 1fr;
    }

    .wizard-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .wizard-nav .btn {
        width: 100%;
    }
}

/* override font-awesome icons */
.fa, .fab, .fad, .fal, .far, .fas{
    margin: 0 4px !important;
}