/* ============================================
   PAGES CREATE/EDIT - CSS VARIABLES SYSTEM
   ============================================
   সহজেই পরিবর্তনযোগ্য CSS Variables
   বাংলা ফন্ট সহ সব কিছু customize করা যাবে
   ============================================ */

:root {
    /* Layout Dimensions */
    --pages-max-width: 1200px;
    --pages-form-width: 100%;
    --pages-gap: 20px;
    
    /* Colors */
    --pages-bg: #f8fafc;
    --pages-card-bg: #ffffff;
    --pages-border: #e9ecef;
    --pages-text-primary: #2c3e50;
    --pages-text-secondary: #6c757d;
    --pages-text-muted: #95a5a6;
    --pages-primary: #667eea;
    --pages-primary-hover: #5568d3;
    --pages-success: #4caf50;
    --pages-danger: #e74c3c;
    --pages-warning: #f59e0b;
    --pages-info: #3b82f6;
    --pages-gradient-start: #667eea;
    --pages-gradient-end: #764ba2;
    
    /* Spacing - % based for easy customization */
    --pages-padding: 20px;
    --pages-padding-lg: 30px;
    --pages-padding-md: 20px;
    --pages-padding-sm: 15px;
    --pages-padding-xs: 10px;
    --pages-margin: 20px;
    --pages-margin-lg: 40px;
    --pages-margin-md: 25px;
    --pages-margin-sm: 15px;
    --pages-margin-xs: 10px;
    
    /* Border Radius */
    --pages-radius: 12px;
    --pages-radius-lg: 16px;
    --pages-radius-md: 12px;
    --pages-radius-sm: 8px;
    --pages-radius-xs: 6px;
    --pages-radius-full: 50%;
    
    /* Shadows */
    --pages-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --pages-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);
    --pages-shadow-lg: 0 6px 20px rgba(102, 126, 234, 0.4);
    
    /* Typography */
    --pages-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --pages-font-family-bangla: 'Noto Sans Bengali', 'Kalpurush', 'SolaimanLipi', sans-serif;
    --pages-font-size-base: 1rem;
    --pages-font-size-lg: 1.25rem;
    --pages-font-size-xl: 1.5rem;
    --pages-font-size-xxl: 2rem;
    --pages-font-size-sm: 0.875rem;
    --pages-font-size-xs: 0.75rem;
    --pages-line-height: 1.5;
    --pages-font-weight-normal: 400;
    --pages-font-weight-medium: 500;
    --pages-font-weight-semibold: 600;
    --pages-font-weight-bold: 700;
    
    /* Form Elements */
    --pages-input-height: 48px;
    --pages-input-padding: 12px 16px;
    --pages-input-border-width: 2px;
    --pages-button-height: 48px;
    --pages-button-padding: 12px 28px;
    
    /* Progress Steps */
    --pages-step-size: 40px;
    --pages-step-line-height: 2px;
    
    /* Z-index */
    --pages-z-base: 1;
    --pages-z-dropdown: 10;
    --pages-z-sticky: 100;
    --pages-z-modal: 1000;
}

/* ============================================
   BANGLA FONT SUPPORT - GLOBAL
   ============================================ */

[lang="bn"],
.bangla-text,
.bn {
    font-family: var(--pages-font-family-bangla), var(--pages-font-family);
}

/* ============================================
   PROGRESS STEPS
   ============================================ */

.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--pages-margin-lg);
    padding: 0 var(--pages-padding);
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
}

.step::before {
    content: '';
    position: absolute;
    top: calc(var(--pages-step-size) / 2);
    left: 50%;
    width: 100%;
    height: var(--pages-step-line-height);
    background: var(--pages-border);
    z-index: -1;
}

.step:first-child::before {
    display: none;
}

.step-circle {
    width: var(--pages-step-size);
    height: var(--pages-step-size);
    border-radius: var(--pages-radius-full);
    background: var(--pages-border);
    color: var(--pages-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--pages-margin-xs);
    font-weight: var(--pages-font-weight-bold);
    transition: all 0.3s ease;
}

.step.active .step-circle {
    background: linear-gradient(135deg, var(--pages-gradient-start) 0%, var(--pages-gradient-end) 100%);
    color: white;
    transform: scale(1.2);
    box-shadow: var(--pages-shadow);
}

.step.completed .step-circle {
    background: var(--pages-success);
    color: white;
}

.step-label {
    font-size: var(--pages-font-size-sm);
    color: var(--pages-text-secondary);
    font-weight: var(--pages-font-weight-semibold);
    font-family: var(--pages-font-family-bangla);
}

.step.active .step-label {
    color: var(--pages-primary);
}

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

.form-section {
    display: none;
}

.form-section.active {
    display: block;
    animation: fadeInUp 0.4s ease;
}

.section-title {
    font-size: var(--pages-font-size-xxl);
    color: var(--pages-text-primary);
    font-weight: var(--pages-font-weight-bold);
    margin-bottom: var(--pages-margin-xs);
    display: flex;
    align-items: center;
    gap: var(--pages-gap-xs);
    font-family: var(--pages-font-family-bangla);
}

.section-subtitle {
    color: var(--pages-text-secondary);
    margin-bottom: var(--pages-margin-lg);
    font-family: var(--pages-font-family-bangla);
}

/* ============================================
   FORM GROUPS
   ============================================ */

.form-group {
    margin-bottom: var(--pages-margin-md);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--pages-gap);
}

.form-label {
    display: block;
    font-weight: var(--pages-font-weight-semibold);
    color: var(--pages-text-primary);
    margin-bottom: var(--pages-margin-xs);
    font-size: var(--pages-font-size-base);
    font-family: var(--pages-font-family-bangla);
}

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

.form-text {
    display: block;
    margin-top: var(--pages-margin-xs);
    font-size: var(--pages-font-size-xs);
    color: var(--pages-text-muted);
    font-family: var(--pages-font-family-bangla);
}

/* ============================================
   FORM INPUTS
   ============================================ */

.modern-input,
.modern-select,
.modern-textarea {
    width: 100%;
    padding: var(--pages-input-padding);
    border: var(--pages-input-border-width) solid var(--pages-border);
    border-radius: var(--pages-radius-sm);
    font-size: var(--pages-font-size-base);
    font-family: var(--pages-font-family-bangla);
    color: var(--pages-text-primary);
    background: var(--pages-card-bg);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.modern-input:focus,
.modern-select:focus,
.modern-textarea:focus {
    outline: none;
    border-color: var(--pages-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.modern-textarea {
    min-height: 120px;
    resize: vertical;
}

.modern-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* ============================================
   FILE UPLOAD
   ============================================ */

.file-upload-wrapper {
    position: relative;
}

.file-upload-label {
    display: block;
    border: 3px dashed var(--pages-border);
    border-radius: var(--pages-radius-lg);
    padding: var(--pages-padding-lg) var(--pages-padding);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--pages-bg);
}

.file-upload-label:hover {
    border-color: var(--pages-primary);
    background: #f0f3ff;
}

.file-upload-icon {
    font-size: 48px;
    margin-bottom: var(--pages-margin-xs);
}

.file-upload-text {
    font-weight: var(--pages-font-weight-semibold);
    color: var(--pages-text-primary);
    margin-bottom: 5px;
    font-family: var(--pages-font-family-bangla);
}

.file-upload-hint {
    font-size: var(--pages-font-size-xs);
    color: var(--pages-text-secondary);
    font-family: var(--pages-font-family-bangla);
}

input[type="file"] {
    display: none;
}

.image-preview {
    display: none;
    position: relative;
    margin-top: var(--pages-margin-sm);
    border-radius: var(--pages-radius);
    overflow: hidden;
}

.image-preview.active {
    display: block;
}

.preview-img {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
}

.remove-preview {
    position: absolute;
    top: var(--pages-padding-xs);
    right: var(--pages-padding-xs);
    background: rgba(231, 76, 60, 0.9);
    color: white;
    border: none;
    border-radius: var(--pages-radius-full);
    width: 36px;
    height: 36px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.remove-preview:hover {
    background: #c0392b;
    transform: scale(1.1);
}

/* ============================================
   FORM NAVIGATION
   ============================================ */

.form-navigation {
    display: flex;
    gap: var(--pages-margin-sm);
    padding: var(--pages-padding-lg);
    background: var(--pages-bg);
    border-top: 1px solid var(--pages-border);
    margin-top: var(--pages-margin-lg);
    border-radius: var(--pages-radius);
}

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

.btn {
    padding: var(--pages-button-padding);
    border-radius: 30px;
    font-weight: var(--pages-font-weight-semibold);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--pages-font-family-bangla);
    font-size: var(--pages-font-size-base);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

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

.btn-secondary {
    background: var(--pages-text-secondary);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background: #5a6268;
}

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

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--pages-shadow-lg);
}

/* ============================================
   SPINNER
   ============================================ */

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: var(--pages-radius-full);
    animation: spin 0.6s linear infinite;
}

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

/* ============================================
   ANIMATIONS
   ============================================ */

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

/* ============================================
   FORM CHECK (Checkbox/Radio)
   ============================================ */

.form-check {
    display: flex;
    align-items: center;
    gap: var(--pages-padding-xs);
    margin-bottom: var(--pages-margin-sm);
}

.form-check-label {
    cursor: pointer;
    font-family: var(--pages-font-family-bangla);
    color: var(--pages-text-primary);
}

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

/* Tablet (768px - 991px) */
@media (max-width: 991px) {
    :root {
        --pages-padding: 15px;
        --pages-margin: 15px;
        --pages-margin-lg: 30px;
    }
    
    .progress-steps {
        padding: 0 var(--pages-padding-xs);
    }
    
    .step-label {
        font-size: var(--pages-font-size-xs);
    }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
    :root {
        --pages-padding: 12px;
        --pages-margin: 12px;
        --pages-margin-lg: 20px;
        --pages-step-size: 32px;
        --pages-font-size-xxl: 1.5rem;
        --pages-font-size-xl: 1.25rem;
    }
    
    .progress-steps {
        padding: 0;
    }
    
    .step-label {
        font-size: 10px;
    }
    
    .section-title {
        font-size: var(--pages-font-size-xl);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-navigation {
        flex-direction: column;
        gap: var(--pages-padding-xs);
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Extra Small Mobile (< 576px) */
@media (max-width: 575px) {
    :root {
        --pages-padding: 10px;
        --pages-margin: 10px;
        --pages-step-size: 28px;
    }
    
    .step::before {
        display: none;
    }
    
    .step-label {
        display: none;
    }
    
    .file-upload-label {
        padding: var(--pages-padding) var(--pages-padding-xs);
    }
    
    .file-upload-icon {
        font-size: 32px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }

.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.w-100 { width: 100%; }

/* ============================================
   CUSTOM SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--pages-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--pages-border);
    border-radius: var(--pages-radius-xs);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--pages-text-muted);
}