/**
 * ============================================================================
 * OMNICALCULATOR LAYOUT CSS
 * ============================================================================
 * Two-column layout: Article (left) + Calculator (right, sticky)
 * Matches Omni Calculator design
 * ============================================================================
 */

/* CRITICAL: Force grid layout - highest specificity */
* {
    --calculator-grid-active: true;
}

/* Page Wrapper - Clean, Modern Layout */
.ncert-calculator-page-wrapper {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: clamp(1.5rem, 4vw, 3rem) 0;
    box-sizing: border-box;
    position: relative;
    background: #ffffff;
}

/* Remove aggressive container breakout - use proper WordPress integration */
.entry-content .ncert-calculator-page-wrapper,
.site-content .ncert-calculator-page-wrapper,
main .ncert-calculator-page-wrapper,
article .ncert-calculator-page-wrapper {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: clamp(1.5rem, 4vw, 3rem) 0;
    box-sizing: border-box;
}

/* Bootstrap Container - Clean, Spacious Layout */
.ncert-calculator-page-wrapper .container-fluid {
    padding-left: clamp(1rem, 4vw, 3rem);
    padding-right: clamp(1rem, 4vw, 3rem);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    position: relative;
}

/* Bootstrap Row - Clean Grid Layout */
.ncert-calculator-page-wrapper .container-fluid .row,
.ncert-calculator-page-wrapper .row {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    margin-left: 0;
    margin-right: 0;
    width: 100%;
    box-sizing: border-box;
    align-items: start;
}

/* Desktop: Two-Column Grid Layout with Better Spacing */
@media (min-width: 992px) {

    .ncert-calculator-page-wrapper .container-fluid .row,
    .ncert-calculator-page-wrapper .row {
        grid-template-columns: minmax(0, 1fr) minmax(340px, 440px);
        gap: clamp(3rem, 6vw, 5rem);
        align-items: start;
    }
}

/* Article Column (Left) - Enhanced Typography & Spacing */
.ncert-calculator-article-column {
    min-width: 0;
    overflow-wrap: break-word;
    word-wrap: break-word;
    hyphens: auto;
    padding-right: clamp(1rem, 3vw, 2rem);
}

.ncert-calculator-article-content {
    width: 100%;
    max-width: 100%;
    background: #ffffff;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    border-radius: 0.5rem;
}

/* Typography - Enhanced Readability & Hierarchy */
.ncert-calculator-article-content h1 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    line-height: 1.3;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: #212529;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.ncert-calculator-article-content h2 {
    font-size: clamp(1.5rem, 3vw, 1.875rem);
    line-height: 1.4;
    font-weight: 600;
    margin-top: 2.5rem;
    margin-bottom: 1.25rem;
    color: #212529;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.ncert-calculator-article-content h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    line-height: 1.4;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #343a40;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.ncert-calculator-article-content h4 {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    line-height: 1.5;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: #495057;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.ncert-calculator-article-content p {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    line-height: 1.75;
    margin-bottom: 1.25rem;
    color: #495057;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Table of Contents - Modern, Clean Design */
.calculator-toc {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border: 2px solid #e9ecef;
    border-radius: 0.75rem;
    padding: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 3rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.calculator-toc h3,
.calculator-toc h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 1.25rem;
    color: #212529;
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 1.3;
    border-bottom: 2px solid #0d6efd;
    padding-bottom: 0.75rem;
}

.calculator-toc ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.calculator-toc li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
    padding-left: 0.5rem;
    border-left: 3px solid transparent;
    transition: all 0.2s ease-in-out;
}

.calculator-toc li:hover {
    border-left-color: #0d6efd;
    padding-left: 0.75rem;
}

.calculator-toc a {
    font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
    color: #495057;
    text-decoration: none;
    word-wrap: break-word;
    overflow-wrap: break-word;
    display: block;
    line-height: 1.6;
    transition: color 0.2s ease-in-out;
    font-weight: 500;
}

.calculator-toc a:hover {
    color: #0d6efd;
    text-decoration: none;
}

/* Bootstrap handles the grid layout - no custom grid needed */

/* Calculator Sidebar (Right - Sticky) - Enhanced Design */
.ncert-calculator-sidebar {
    position: relative;
    width: 100%;
}

.ncert-calculator-sidebar .ncert-calculator-container {
    max-width: 100%;
    margin: 0;
    padding: clamp(1.5rem, 3vw, 2rem);
    background: #ffffff;
    border-radius: 0.75rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
    width: 100%;
    border: 1px solid #e9ecef;
    transition: box-shadow 0.3s ease-in-out;
}

.ncert-calculator-sidebar .ncert-calculator-container:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12), 0 4px 8px rgba(0, 0, 0, 0.06);
}

/* Desktop: Sticky Sidebar with Better Positioning */
@media (min-width: 992px) {
    .ncert-calculator-sidebar {
        position: sticky;
        top: clamp(1.5rem, 3vw, 2.5rem);
        height: fit-content;
        max-height: calc(100vh - 5rem);
        overflow-y: auto;
        align-self: start;
    }

    /* Smooth scrolling for sidebar */
    .ncert-calculator-sidebar .ncert-calculator-container {
        scroll-behavior: smooth;
    }
}

/* Collapsible Sections */
.calculator-input-group,
.calculator-output-group {
    margin-bottom: 1rem;
}

.calculator-group-card {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 0.5rem;
    overflow: hidden;
}

.calculator-group-header {
    padding: 0.75rem 1rem;
    background: #f5f5f5;
    border-bottom: 1px solid #e0e0e0;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s;
}

.calculator-group-header:hover {
    background: #eeeeee;
}

.calculator-group-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.calculator-group-title {
    font-size: 1rem;
    font-weight: 600;
    color: #212529;
    margin: 0;
    padding: 0;
}

.calculator-group-title-text {
    display: inline-block;
}

.calculator-group-content {
    padding: 1rem;
}

.calculator-group-fields {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Omni Calculator Style Input Fields */
.calculator-field-container {
    width: 100%;
}

.calculator-form-control {
    width: 100%;
    position: relative;
}

.calculator-field-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calculator-field-label-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.calculator-field-label-container {
    flex: 1;
}

.calculator-field-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #1976d2;
    margin-bottom: 0.25rem;
}

.calculator-field-label-text {
    display: inline-block;
}

/* Input with "=" Button Layout */
.calculator-input-wrapper-omni {
    display: flex;
    align-items: stretch;
    gap: 0.5rem;
}

.calculator-input-container {
    flex: 1;
    position: relative;
}

.calculator-input-inner {
    position: relative;
    width: 100%;
}

.calculator-input-box {
    width: 100%;
}

.calculator-input-omni {
    width: 100%;
    padding: clamp(0.625rem, 2vw, 0.75rem) clamp(0.75rem, 2.5vw, 1rem);
    /* Responsive padding */
    font-size: clamp(0.9375rem, 2.5vw, 1rem);
    /* Responsive font: 15px-16px, prevents iOS zoom */
    border: 1px solid #ced4da;
    border-radius: clamp(0.25rem, 1vw, 0.375rem);
    /* Responsive border radius */
    background: #ffffff;
    color: #212529;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    min-height: 44px;
    /* Touch-friendly minimum height (WCAG) */
    box-sizing: border-box;
    /* Prevent iOS zoom on focus */
    -webkit-appearance: none;
    appearance: none;
    /* Prevent text size adjustment */
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

.calculator-input-omni:focus {
    outline: 0;
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.calculator-input-omni:not(:placeholder-shown) {
    border-color: #86b7fe;
}

/* "=" Button */
.calculator-equals-wrapper {
    display: flex;
    align-items: center;
}

.calculator-equals-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    min-width: 60px;
}

.calculator-equals-placeholder {
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calculator-equals-text {
    font-size: 0.75rem;
    color: #6c757d;
    text-align: center;
    white-space: nowrap;
}

.calculator-equals-btn {
    width: clamp(44px, 5vw, 48px);
    /* Responsive: 44px-48px */
    height: clamp(44px, 5vw, 48px);
    min-width: 44px;
    /* Touch-friendly minimum (WCAG) */
    min-height: 44px;
    padding: 0;
    border: none;
    border-radius: clamp(0.25rem, 1vw, 0.375rem);
    /* Responsive border radius */
    background: #1976d2;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.15s ease-in-out, transform 0.1s ease-in-out;
    flex-shrink: 0;
    /* Touch-friendly */
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.calculator-equals-btn:hover {
    background: #1565c0;
    transform: scale(1.05);
}

.calculator-equals-btn:active {
    transform: scale(0.95);
}

.calculator-equals-icon {
    width: 14px;
    height: 6px;
    fill: currentColor;
}

/* Hide placeholder when input has value */
.calculator-input-omni:not(:placeholder-shown)~.calculator-equals-wrapper .calculator-equals-placeholder {
    display: none;
}

/* Responsive Design - Mobile First */
/* Extra Small Devices (phones, < 576px) */
@media (max-width: 575.98px) {
    .ncert-calculator-page-wrapper {
        padding: clamp(1rem, 3vw, 1.5rem) 0;
    }

    .ncert-calculator-page-wrapper .container-fluid {
        padding-left: clamp(0.75rem, 3vw, 1rem);
        padding-right: clamp(0.75rem, 3vw, 1rem);
    }

    .ncert-calculator-article-column {
        padding-right: 0;
    }

    .ncert-calculator-article-content {
        padding: clamp(1rem, 3vw, 1.5rem);
    }

    .ncert-calculator-container {
        padding: clamp(1rem, 3vw, 1.25rem);
        border-radius: 0.5rem;
    }

    .calculator-title {
        font-size: clamp(1.375rem, 5vw, 1.625rem);
        margin-bottom: 0.75rem;
    }

    .calculator-description {
        font-size: clamp(0.9375rem, 3vw, 1rem);
    }

    .calculator-input-group,
    .calculator-output-group {
        padding: clamp(1rem, 3vw, 1.25rem);
        margin-bottom: 1.25rem;
        border-radius: 0.5rem;
    }

    .calculator-group-content {
        padding: clamp(0.75rem, 2vw, 1rem);
    }

    .calculator-toc {
        padding: clamp(1rem, 3vw, 1.5rem);
        margin-bottom: 2rem;
    }

    .calculator-input-wrapper-omni {
        flex-direction: column;
        gap: 0.5rem;
    }

    .calculator-equals-container {
        width: 100%;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        min-width: auto;
    }

    .calculator-equals-btn {
        width: 100%;
        max-width: none;
        min-width: 44px;
        height: 44px;
        flex: 1;
    }

    /* Ensure all buttons are touch-friendly */
    .calculator-equals-btn,
    .calculate-btn,
    .share-result-btn,
    .reload-calculator-btn,
    .clear-changes-btn,
    .feedback-yes-btn,
    .feedback-no-btn {
        min-height: 44px;
        min-width: 44px;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }

    /* Prevent text selection on buttons for better touch experience */
    .calculator-equals-btn,
    .calculate-btn,
    .share-result-btn,
    .reload-calculator-btn,
    .clear-changes-btn {
        -webkit-user-select: none;
        user-select: none;
    }

    .calculator-field-label {
        font-size: clamp(0.8125rem, 2.5vw, 0.875rem);
    }

    /* Ensure inputs prevent iOS zoom */
    .calculator-input-omni {
        font-size: 16px;
        /* Prevent iOS zoom on focus */
    }

    .calculator-toc {
        padding: clamp(0.75rem, 3vw, 1rem);
    }

    .calculator-toc a {
        display: block;
        padding: 0.25rem 0;
        font-size: clamp(0.8125rem, 2.5vw, 0.875rem);
    }

    /* Action buttons stack on mobile */
    .calculator-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .calculator-actions-left,
    .calculator-actions-right {
        width: 100%;
        flex-direction: column;
    }

    .calculate-btn,
    .share-result-btn,
    .reload-calculator-btn,
    .clear-changes-btn {
        width: 100%;
        min-height: 44px;
    }
}

/* Small Devices (landscape phones, 576px - 767px) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .ncert-calculator-container {
        padding: clamp(0.75rem, 2.5vw, 1rem);
    }

    .calculator-input-wrapper-omni {
        flex-direction: column;
        gap: 0.75rem;
    }

    .calculator-equals-container {
        width: 100%;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .calculator-equals-btn {
        width: auto;
        min-width: 120px;
        flex: 0 0 auto;
    }

    .calculator-actions {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .calculator-actions-left {
        flex: 1 1 auto;
        min-width: 200px;
    }

    .calculator-actions-right {
        flex: 1 1 auto;
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
}

/* Medium Devices (tablets, 768px - 991px) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .ncert-calculator-container {
        padding: clamp(1rem, 3vw, 1.5rem);
    }

    .calculator-input-wrapper-omni {
        flex-direction: row;
        gap: 0.75rem;
    }

    .calculator-equals-container {
        min-width: 80px;
    }

    .calculator-equals-btn {
        width: 48px;
        height: 48px;
        min-width: 48px;
        min-height: 48px;
    }

    .calculator-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .calculator-actions-left {
        flex: 0 0 auto;
    }

    .calculator-actions-right {
        flex: 1 1 auto;
        display: flex;
        flex-wrap: wrap;
        gap: 0.75rem;
    }
}

/* Tablet - Bootstrap handles single column automatically */

/* Ensure proper text wrapping everywhere */
.ncert-calculator-page-wrapper * {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.ncert-calculator-page-wrapper h1,
.ncert-calculator-page-wrapper h2,
.ncert-calculator-page-wrapper h3,
.ncert-calculator-page-wrapper h4,
.ncert-calculator-page-wrapper h5,
.ncert-calculator-page-wrapper h6 {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

/* Bootstrap Column Overrides - CSS Grid Fallback */
.ncert-calculator-page-wrapper .row>[class*="col-"] {
    padding-left: clamp(0.75rem, 2vw, 1rem) !important;
    padding-right: clamp(0.75rem, 2vw, 1rem) !important;
    position: relative;
    width: 100% !important;
    min-width: 0;
}

/* Desktop: CSS Grid Column Placement */
@media (min-width: 992px) {

    .ncert-calculator-page-wrapper .row>.col-lg-8,
    .ncert-calculator-page-wrapper .row>.col-xl-9,
    .ncert-calculator-page-wrapper .container-fluid .row>.col-lg-8,
    .ncert-calculator-page-wrapper .container-fluid .row>.col-xl-9,
    body .ncert-calculator-page-wrapper .row>.col-lg-8,
    body .ncert-calculator-page-wrapper .row>.col-xl-9 {
        grid-column: 1 !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .ncert-calculator-page-wrapper .row>.col-lg-4,
    .ncert-calculator-page-wrapper .row>.col-xl-3,
    .ncert-calculator-page-wrapper .container-fluid .row>.col-lg-4,
    .ncert-calculator-page-wrapper .container-fluid .row>.col-xl-3,
    body .ncert-calculator-page-wrapper .row>.col-lg-4,
    body .ncert-calculator-page-wrapper .row>.col-xl-3 {
        grid-column: 2 !important;
        width: 100% !important;
        max-width: 100% !important;
    }
}