/* ==========================================================================
   RUTS Digital Knowledge Showcase (KM Plugin) Stylesheet (v34.0.0)
   Full Viewport Breakout, Ultra-Clean Responsive Grid, Single KM Page Filter, Perfect Centered 3D Book Engine, Interactive Zoom & Accessible SEO Title Hiding
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700;800&display=swap');

:root {
    --ruts-navy: #0D3C75;
    --ruts-navy-dark: #07254A;
    --ruts-gold: #F4C430;
    --ruts-gold-hover: #D4A310;
    --ruts-header-bg: #FFF3C4;
    --ruts-yellow-light: #FFFBEB;
    --ruts-yellow-warm: #FEF3C7;
    --ruts-bg-light: #F8FAFC;
    --ruts-card-bg: #FFFFFF;
    --ruts-text-dark: #1E293B;
    --ruts-text-muted: #64748B;
    --ruts-border: #E2E8F0;
    --ruts-shadow: 0 10px 25px -5px rgba(13, 60, 117, 0.08), 0 8px 10px -6px rgba(13, 60, 117, 0.04);
    --ruts-shadow-hover: 0 20px 35px -5px rgba(13, 60, 117, 0.18), 0 10px 15px -5px rgba(13, 60, 117, 0.08);
    --ruts-shadow-sm: 0 2px 5px rgba(13, 60, 117, 0.05);
    --ruts-radius: 16px;
    --ruts-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Container & Scope Reset */
.ruts-km-container,
.ruts-km-single-wrapper,
.ruts-km-evaluation-container,
.ruts-km-form-card {
    font-family: 'Prompt', system-ui, -apple-system, sans-serif !important;
    color: var(--ruts-text-dark);
    box-sizing: border-box;
}

.ruts-km-container *,
.ruts-km-single-wrapper *,
.ruts-km-evaluation-container *,
.ruts-km-form-card * {
    box-sizing: border-box;
}

/* Full Viewport Width Breakout Engine */
.ruts-km-container {
    width: 100vw !important;
    position: relative !important;
    left: 50% !important;
    right: 50% !important;
    margin-left: -50vw !important;
    margin-right: -50vw !important;
    padding-left: max(20px, calc((100vw - 1440px) / 2)) !important;
    padding-right: max(20px, calc((100vw - 1440px) / 2)) !important;
    padding-top: 10px !important;
    padding-bottom: 50px !important;
    background: var(--ruts-bg-light);
}

/* Outer Theme Reset - Allow Layout Overflow */
.site-content, .entry-content, .single-ruts_km_item .entry-content, main, article {
    overflow: visible !important;
}

/* ALWAYS Preserve & Display Theme Header & Navigation Menu 100% */
#masthead,
.site-header,
#site-header,
.header-main,
.nav-menu,
.main-navigation,
.site-navigation,
header.site-header,
#site-navigation {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* SEO Accessible Visually-Hidden Duplicate Theme Entry-Title & Date */
.ruts-seo-visually-hidden,
.single-ruts_km_item article > header,
.single-ruts_km_item header.entry-header,
.single-ruts_km_item header.page-header,
.single-ruts_km_item .entry-header,
.single-ruts_km_item .page-header,
.single-ruts_km_item .page-title,
.single-ruts_km_item .page-title-bar,
.single-ruts_km_item .title-bar,
.single-ruts_km_item .post-title-wrapper,
.single-ruts_km_item .entry-title-wrapper,
.single-ruts_km_item .single-post-title,
.single-ruts_km_item .post-header,
.single-ruts_km_item h1.entry-title,
.single-ruts_km_item h1.page-title,
.single-ruts_km_item h1.post-title,
.single-ruts_km_item .entry-title:not(.ruts-km-title),
.single-ruts_km_item .post-title:not(.ruts-km-title),
.single-ruts_km_item h1:not(.ruts-km-title),
.single-ruts_km_item .entry-meta,
.single-ruts_km_item .posted-on,
.single-ruts_km_item .byline,
.single-ruts_km_item .author-bio,
.single-ruts_km_item .post-author,
.single-ruts_km_item .entry-footer,
.single-ruts_km_item .cat-links,
.single-ruts_km_item .tags-links,
.single-ruts_km_item .post-date,
.single-ruts_km_item .published {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Force Plugin's Own Title to Always Show Properly (Override Theme White Color) */
.ruts-km-single-wrapper h1.ruts-km-single-title.ruts-km-title,
.single-ruts_km_item .ruts-km-single-wrapper h1.ruts-km-title,
h1.ruts-km-single-title {
    position: static !important;
    width: auto !important;
    height: auto !important;
    padding: 0 !important;
    margin: 0 0 15px 0 !important;
    overflow: visible !important;
    clip: auto !important;
    white-space: normal !important;
    color: #0D3C75 !important;
    font-size: 28px !important;
    font-weight: 800 !important;
    line-height: 1.35 !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    border: 0 !important;
}

/* ==========================================================================
   2. Header Banner Design (Top Row Title & Slogan)
   ========================================================================== */
.ruts-km-header {
    background: linear-gradient(135deg, #07254A 0%, #0D3C75 50%, #1557A6 100%) !important;
    border-radius: 24px !important;
    padding: 35px 45px !important;
    margin-bottom: 30px !important;
    box-shadow: 0 20px 40px -10px rgba(13, 60, 117, 0.3) !important;
    color: #FFFFFF !important;
    position: relative !important;
    overflow: hidden !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.ruts-km-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(244, 196, 48, 0.15) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.ruts-km-header-top {
    border-bottom: 1px solid rgba(255, 255, 255, 0.15) !important;
    padding-bottom: 20px !important;
    margin-bottom: 22px !important;
}

.ruts-km-title {
    font-size: 32px !important;
    font-weight: 800 !important;
    margin: 0 0 8px 0 !important;
    color: #FFFFFF !important;
    letter-spacing: -0.5px !important;
    line-height: 1.3 !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
}

.ruts-km-title i {
    color: var(--ruts-gold) !important;
}

.ruts-km-subtitle {
    font-size: 17px !important;
    color: #E2E8F0 !important;
    margin: 0 !important;
    font-weight: 400 !important;
    line-height: 1.6 !important;
}

.ruts-km-header-bottom {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    gap: 20px !important;
}

.ruts-km-logo-badge {
    background: rgba(244, 196, 48, 0.2) !important;
    border: 1px solid var(--ruts-gold) !important;
    color: var(--ruts-gold) !important;
    padding: 9px 20px !important;
    border-radius: 30px !important;
    font-size: 14.5px !important;
    font-weight: 700 !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    backdrop-filter: blur(5px) !important;
}

/* ==========================================================================
   3. Search Bar & Tabs
   ========================================================================== */
.ruts-km-search-box {
    position: relative !important;
    flex: 1 !important;
    max-width: 100% !important;
    width: 100% !important;
}

.ruts-km-search-box .search-icon,
.ruts-km-search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ruts-navy);
    font-size: 18px;
}

.ruts-km-search-box input {
    width: 100% !important;
    padding: 16px 50px 16px 52px !important;
    border: 2px solid var(--ruts-border) !important;
    border-radius: 35px !important;
    font-size: 16.5px !important;
    background: #FFFFFF !important;
    transition: var(--ruts-transition) !important;
    outline: none !important;
    box-sizing: border-box !important;
    box-shadow: var(--ruts-shadow-sm) !important;
}

.ruts-km-search-box input:focus {
    border-color: var(--ruts-navy) !important;
    box-shadow: 0 0 0 4px rgba(13, 60, 117, 0.12) !important;
}

#ruts-km-search-clear {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--ruts-text-muted);
    cursor: pointer;
    font-size: 17px;
}

/* Category Filter Tabs */
.ruts-km-tabs {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
    width: 100% !important;
    margin-bottom: 25px !important;
    padding: 0 !important;
    list-style: none !important;
}

.ruts-km-tab {
    background: #FFFFFF;
    color: var(--ruts-navy);
    border: 1.5px solid #CBD5E1;
    padding: 11px 24px;
    border-radius: 30px;
    font-size: 15.5px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ruts-transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--ruts-shadow-sm);
}

.ruts-km-tab:hover {
    background: var(--ruts-yellow-warm);
    border-color: var(--ruts-gold);
    color: var(--ruts-navy-dark);
    transform: translateY(-2px);
}

.ruts-km-tab.active {
    background: linear-gradient(135deg, #0D3C75 0%, #1E5194 100%);
    color: #FFFFFF;
    border-color: var(--ruts-navy);
    box-shadow: 0 6px 16px rgba(13, 60, 117, 0.25);
}

/* ==========================================================================
   4. Grid & Card Layout
   ========================================================================== */
.ruts-km-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(320px, 380px)) !important;
    gap: 30px !important;
    width: 100% !important;
    max-width: 1400px !important;
    margin: 0 auto !important;
    justify-content: flex-start !important;
    transition: opacity 0.25s ease !important;
}

@media (max-width: 699px) {
    .ruts-km-grid { 
        grid-template-columns: 1fr !important; 
        justify-content: center !important;
    }
    .ruts-km-header-bottom { flex-direction: column !important; gap: 15px !important; }
    .ruts-km-header { text-align: center !important; padding: 20px !important; }
}

.ruts-km-card {
    background: #FFFFFF;
    border: 1px solid var(--ruts-border);
    border-radius: var(--ruts-radius);
    overflow: hidden;
    box-shadow: var(--ruts-shadow);
    transition: var(--ruts-transition);
    display: flex;
    flex-direction: column;
    width: 100%;
}

.ruts-km-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--ruts-shadow-hover);
    border-color: var(--ruts-gold);
}

.ruts-km-thumb-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #000000;
    overflow: hidden;
}

.ruts-km-thumb-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.ruts-km-card:hover .ruts-km-thumb-wrapper img {
    transform: scale(1.08);
}

.ruts-km-cat-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(13, 60, 117, 0.88);
    color: var(--ruts-gold);
    font-size: 13px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 8px;
    backdrop-filter: blur(8px);
    z-index: 2;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.ruts-km-award-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #0D3C75;
    font-size: 12px;
    font-weight: 800;
    padding: 6px 14px;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(255, 165, 0, 0.4);
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    border: 1.5px solid #FFF;
}

.ruts-km-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(13, 60, 117, 0.88);
    border: 2.5px solid var(--ruts-gold);
    color: var(--ruts-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    transition: var(--ruts-transition);
    z-index: 3;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.ruts-km-card:hover .ruts-km-play-btn {
    background: var(--ruts-gold);
    color: var(--ruts-navy);
    transform: translate(-50%, -50%) scale(1.15);
}

.ruts-km-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.ruts-km-card-title {
    font-size: 19px !important;
    font-weight: 700 !important;
    margin: 0 0 14px 0 !important;
    line-height: 1.45 !important;
}

.ruts-km-card-title a {
    color: var(--ruts-text-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.ruts-km-card-title a:hover {
    color: var(--ruts-navy);
}

.ruts-km-meta-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14.5px !important;
    color: var(--ruts-text-muted);
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--ruts-border);
}

.ruts-km-author {
    font-weight: 600;
    color: var(--ruts-navy);
}

.ruts-km-excerpt {
    font-size: 14.5px;
    color: var(--ruts-text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.ruts-km-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.ruts-km-btn-watch {
    flex: 1;
    background: var(--ruts-navy);
    color: #FFFFFF;
    border: none;
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 13.5px;
    cursor: pointer;
    transition: var(--ruts-transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.ruts-km-btn-eval {
    flex: 1.2;
    background: #E2E8F0;
    color: var(--ruts-navy);
    border: 1px solid #CBD5E1;
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 13.5px;
    cursor: pointer;
    transition: var(--ruts-transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.ruts-km-btn-eval:hover {
    background: var(--ruts-gold);
    border-color: var(--ruts-gold);
    color: var(--ruts-navy);
}

/* ==========================================================================
   5. REAL 3D BOOK PAGE-FLIP ENGINE & STAGE
   ========================================================================== */
.ruts-pdf-reader-box {
    background: #ffffff !important;
    border: 1.5px solid #cbd5e1 !important;
    border-radius: 20px !important;
    padding: 25px !important;
    box-shadow: 0 15px 35px rgba(13, 60, 117, 0.08) !important;
}

.ruts-pdf-3d-stage {
    position: relative !important;
    width: 100% !important;
    min-height: 520px !important;
    background: radial-gradient(circle, #f8fafc 0%, #e2e8f0 100%) !important;
    border-radius: 16px !important;
    border: 1px solid #cbd5e1 !important;
    overflow: hidden !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 20px 15px !important;
    box-sizing: border-box !important;
    margin-bottom: 15px !important;
}

.ruts-pdf-loading,
#ruts-inline-loading,
#ruts-modal-loading {
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    z-index: 9999 !important;
    background: rgba(255, 255, 255, 0.95) !important;
    padding: 12px 24px !important;
    border-radius: 30px !important;
    box-shadow: 0 6px 24px rgba(13, 60, 117, 0.15) !important;
    border: 1.5px solid #bae6fd !important;
    font-size: 15px !important;
    font-weight: 700 !important;
    color: #0D3C75 !important;
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    pointer-events: none;
}

/* Bulletproof Force HIDE Rules */
.ruts-pdf-loading.loaded,
.ruts-pdf-loading[style*="none"],
#ruts-inline-loading.loaded,
#ruts-modal-loading.loaded,
#ruts-inline-loading[style*="none"],
#ruts-modal-loading[style*="none"] {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    height: 0 !important;
    width: 0 !important;
    overflow: hidden !important;
    pointer-events: none !important;
}

.ruts-flipbook-container {
    margin: 0 auto !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    perspective: 1500px !important;
    min-height: 460px !important;
    width: 100% !important;
    position: relative !important;
}

.ruts-flipbook-container > div,
.stpageflip,
.stpageflip--wrapper,
.stpageflip--container,
.stpageflip--block {
    margin-left: auto !important;
    margin-right: auto !important;
    position: relative !important;
    float: none !important;
}

.ruts-flip-page-item {
    background-color: #ffffff !important;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.06), 0 10px 25px rgba(0,0,0,0.15) !important;
    overflow: hidden !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.ruts-flip-page-item canvas {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
    display: block !important;
}

.ruts-pdf-floating-toolbar {
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    box-shadow: 0 10px 30px rgba(13, 60, 117, 0.15), 0 2px 6px rgba(0, 0, 0, 0.05) !important;
    padding: 8px 18px !important;
    border-radius: 40px !important;
    margin: 10px auto 5px auto !important;
}

.ruts-pdf-btn {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    border-radius: 50% !important;
    background: #f1f5f9 !important;
    color: #0D3C75 !important;
    border: 1px solid #e2e8f0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 14px !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    padding: 0 !important;
    margin: 0 !important;
    box-shadow: none !important;
}

.ruts-pdf-btn:hover {
    background: #0D3C75 !important;
    color: #ffffff !important;
    border-color: #0D3C75 !important;
    transform: scale(1.08) !important;
}

.ruts-pdf-page-indicator {
    font-weight: 700 !important;
    font-size: 14px !important;
    color: #0D3C75 !important;
    padding: 0 10px !important;
    white-space: nowrap !important;
}

.ruts-pdf-download-link {
    font-size: 13.5px !important;
    color: #64748b !important;
    margin-top: 6px !important;
}

.ruts-pdf-download-link a {
    color: #0D3C75 !important;
    font-weight: 700 !important;
    text-decoration: underline !important;
}

/* ==========================================================================
   6. PREMIUM FORM CARDS & INPUT CONTROLS
   ========================================================================== */
.ruts-km-form-card {
    background: #ffffff !important;
    border-radius: 20px !important;
    border: 1px solid #e2e8f0 !important;
    box-shadow: 0 20px 45px -10px rgba(13, 60, 117, 0.1), 0 0 0 1px rgba(226, 232, 240, 0.8) !important;
    padding: 42px 50px !important;
    max-width: 1100px !important;
    width: 100% !important;
    margin: 30px auto !important;
    font-family: 'Prompt', 'Sarabun', system-ui, -apple-system, sans-serif !important;
    box-sizing: border-box !important;
}

@media (max-width: 768px) {
    .ruts-km-form-card {
        padding: 25px 20px !important;
    }
}

.ruts-km-form-header {
    border-bottom: 2px solid #f1f5f9 !important;
    padding-bottom: 22px !important;
    margin-bottom: 32px !important;
}

.ruts-km-form-header h3 {
    color: #0D3C75 !important;
    font-size: 24px !important;
    font-weight: 800 !important;
    margin: 0 0 8px 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
}

.ruts-km-form-header p {
    color: #64748b !important;
    font-size: 15px !important;
    margin: 0 !important;
    line-height: 1.5 !important;
}

.ruts-km-form,
#ruts-km-eval-form {
    display: flex !important;
    flex-direction: column !important;
    gap: 25px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.ruts-form-group {
    display: flex !important;
    flex-direction: column !important;
    gap: 9px !important;
    width: 100% !important;
    box-sizing: border-box !important;
    margin-bottom: 0 !important;
}

.ruts-form-group label {
    font-weight: 700 !important;
    color: #0D3C75 !important;
    font-size: 15.5px !important;
    margin-bottom: 2px !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.ruts-form-group label .required {
    color: #ef4444 !important;
    font-weight: 800 !important;
}

.ruts-form-input,
.ruts-form-textarea,
.ruts-form-select {
    width: 100% !important;
    padding: 14px 18px !important;
    font-family: 'Prompt', 'Sarabun', sans-serif !important;
    font-size: 15px !important;
    color: #1e293b !important;
    background: #f8fafc !important;
    border: 1.5px solid #cbd5e1 !important;
    border-radius: 12px !important;
    outline: none !important;
    transition: all 0.2s ease-in-out !important;
    box-sizing: border-box !important;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02) !important;
}

.ruts-form-input:focus,
.ruts-form-textarea:focus,
.ruts-form-select:focus {
    border-color: #0D3C75 !important;
    background: #ffffff !important;
    box-shadow: 0 0 0 4px rgba(13, 60, 117, 0.12) !important;
}

.ruts-form-textarea {
    min-height: 110px !important;
    resize: vertical !important;
    line-height: 1.6 !important;
}

.ruts-form-select {
    appearance: none !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230D3C75'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2.5' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 16px center !important;
    background-size: 18px !important;
    padding-right: 42px !important;
}

.ruts-form-row {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 20px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.ruts-form-row .col-12 { flex: 0 0 100% !important; max-width: 100% !important; }
.ruts-form-row .col-6  { flex: 0 0 calc(50% - 10px) !important; max-width: calc(50% - 10px) !important; }
.ruts-form-row .col-4  { flex: 0 0 calc(33.333% - 13.333px) !important; max-width: calc(33.333% - 13.333px) !important; }
.ruts-form-row .col-8  { flex: 0 0 calc(66.666% - 6.666px) !important; max-width: calc(66.666% - 6.666px) !important; }

@media (max-width: 768px) {
    .ruts-form-row .col-6,
    .ruts-form-row .col-8,
    .ruts-form-row .col-4 {
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }
}

.ruts-form-file {
    display: block !important;
    width: 100% !important;
    padding: 12px !important;
    background: #f8fafc !important;
    border: 1.5px dashed #cbd5e1 !important;
    border-radius: 12px !important;
    cursor: pointer !important;
    font-size: 14px !important;
    box-sizing: border-box !important;
}

.ruts-form-file:hover {
    border-color: #0D3C75 !important;
    background: #eef6ff !important;
}

.ruts-form-hint {
    display: block !important;
    font-size: 13px !important;
    color: #64748b !important;
    margin-top: 5px !important;
}

.ruts-btn-submit {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 10px !important;
    width: 100% !important;
    padding: 17px 30px !important;
    font-size: 17px !important;
    font-weight: 700 !important;
    color: #ffffff !important;
    background: linear-gradient(135deg, #0D3C75 0%, #1557a6 100%) !important;
    border: none !important;
    border-radius: 14px !important;
    cursor: pointer !important;
    box-shadow: 0 10px 25px -5px rgba(13, 60, 117, 0.35) !important;
    transition: all 0.25s ease !important;
    margin-top: 12px !important;
}

.ruts-btn-submit:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 14px 30px -5px rgba(13, 60, 117, 0.45) !important;
    background: linear-gradient(135deg, #0a3160 0%, #0F3C75 100%) !important;
}

/* Checkbox & Radio Selection Card Pills */
.ruts-radio-group,
.ruts-chk-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)) !important;
    gap: 12px !important;
    margin-top: 8px !important;
    width: 100% !important;
}

.ruts-radio-group label,
.ruts-chk-grid label,
.ruts-radio-lbl {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    font-size: 14.5px !important;
    font-weight: 500 !important;
    color: #334155 !important;
    background: #f8fafc !important;
    border: 1.5px solid #e2e8f0 !important;
    border-radius: 12px !important;
    padding: 12px 18px !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    margin: 0 !important;
    width: auto !important;
    box-sizing: border-box !important;
}

.ruts-radio-group label:hover,
.ruts-chk-grid label:hover {
    border-color: #0D3C75 !important;
    background: #eef6ff !important;
}

.ruts-radio-group input[type="radio"],
.ruts-chk-grid input[type="checkbox"] {
    width: 18px !important;
    height: 18px !important;
    accent-color: #0D3C75 !important;
    margin: 0 !important;
    cursor: pointer !important;
    flex-shrink: 0 !important;
}

/* Star Rating Picker */
.ruts-star-rating-picker {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
}

.ruts-star-rating-picker .star-item {
    font-size: 28px;
    color: #CBD5E1;
    cursor: pointer;
    transition: color 0.15s ease;
}

.ruts-star-rating-picker .star-item.active {
    color: #FFD700;
}

.ruts-star-label {
    font-weight: 700;
    color: var(--ruts-navy);
    font-size: 15px;
    margin-left: 10px;
}

/* Icon Pick CAPTCHA Box */
.ruts-captcha-box {
    background: #F8FAFC;
    border: 2px dashed #CBD5E1;
    border-radius: 16px;
    padding: 24px;
    margin-top: 15px;
}

.ruts-captcha-header {
    color: var(--ruts-navy);
    font-size: 15px;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ruts-captcha-prompt {
    font-weight: 700;
    color: #DC2626;
    font-size: 15.5px;
    margin-bottom: 14px;
}

.ruts-captcha-icons-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

@media (max-width: 640px) {
    .ruts-captcha-icons-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.ruts-captcha-btn {
    background: #FFFFFF;
    border: 2px solid var(--ruts-border);
    border-radius: 12px;
    padding: 18px 8px;
    cursor: pointer;
    transition: var(--ruts-transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--ruts-navy);
}

.ruts-captcha-btn i {
    font-size: 32px;
}

.ruts-captcha-btn:hover {
    border-color: var(--ruts-navy);
    background: var(--ruts-yellow-warm);
}

.ruts-captcha-btn.selected {
    border-color: #16A34A;
    background: #DCFCE7;
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.2);
}

/* Lightbox Modal Base */
.ruts-km-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.ruts-km-modal.active {
    opacity: 1;
    visibility: visible;
}

.ruts-km-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(7, 37, 74, 0.88);
    backdrop-filter: blur(8px);
}

.ruts-km-modal-content {
    position: relative;
    background: #ffffff;
    border-radius: 20px;
    z-index: 2;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    max-height: 88vh !important;
    display: flex !important;
    flex-direction: column !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
}

.ruts-km-modal-content::-webkit-scrollbar {
    width: 8px;
}
.ruts-km-modal-content::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 10px;
}
.ruts-km-modal-content::-webkit-scrollbar-thumb {
    background: #0D3C75;
    border-radius: 10px;
}

#ruts-km-flipbook-modal .ruts-km-modal-content {
    width: 96vw !important;
    max-width: 1300px !important;
    height: 92vh !important;
    padding: 15px 25px 10px 25px !important;
    overflow: hidden !important;
}

#ruts-km-flipbook-modal .ruts-pdf-3d-stage {
    flex: 1 !important;
    height: calc(92vh - 120px) !important;
    min-height: 380px !important;
    margin-bottom: 5px !important;
    background: radial-gradient(circle, #f1f5f9 0%, #cbd5e1 100%) !important;
}

.ruts-km-modal.active .ruts-km-modal-content {
    transform: scale(1);
}

.ruts-km-modal-close {
    position: absolute;
    top: 12px;
    right: 15px;
    width: 36px;
    height: 36px;
    background: #DC2626;
    color: #ffffff;
    border: 2px solid #ffffff;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 20;
}

.ruts-km-modal-close:hover {
    background: #B91C1C;
    transform: scale(1.1);
}

/* Formal Official Thai Document Typography */
.ruts-km-content-body p {
    text-indent: 2.5em !important;
    text-align: justify !important;
    text-justify: inter-cluster !important;
    line-height: 1.85 !important;
    margin-bottom: 16px !important;
    color: #1e293b !important;
    font-size: 16px !important;
}

.ruts-km-content-body h1,
.ruts-km-content-body h2,
.ruts-km-content-body h3,
.ruts-km-content-body h4 {
    color: #0D3C75 !important;
    font-weight: 800 !important;
    margin-top: 24px !important;
    margin-bottom: 14px !important;
    padding-bottom: 8px !important;
    border-bottom: 1.5px solid #e2e8f0 !important;
    font-size: 18.5px !important;
}