/* ==========================================================================
   HEIM PLANNING GUIDE - DESIGN SYSTEM & STYLESHEET
   Branding: SCG HEIM Crimson Red (#D32F2F), Slate Dark (#1E293B), Pure White
   Layout: Full-Width 100% Screen + Independent Column Scroll Panels
   ========================================================================== */

:root {
    --primary-red: #D32F2F;
    --primary-red-hover: #B71C1C;
    --primary-red-light: #FFEBEE;
    --secondary-slate: #1E293B;
    --text-main: #0F172A;
    --text-muted: #64748B;
    --bg-main: #F8FAFC;
    --card-bg: #FFFFFF;
    --border-color: #E2E8F0;
    
    --success-green: #166534;
    --success-bg: #DCFCE7;
    --warning-yellow: #B45309;
    --warning-bg: #FEF3C7;
    --info-blue: #1E40AF;
    --info-bg: #DBEAFE;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 30px rgba(0,0,0,0.15);
}

/* Global Reset & Base Fonts */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Sarabun', 'Outfit', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    padding: 0;
}

/* FULL-WIDTH CONTAINER */
.app-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 24px 32px 24px;
}

/* STICKY FROZEN HEADER CONTAINER (FROZEN AT TOP) */
.sticky-header-container {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(248, 250, 252, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding-top: 12px;
    padding-bottom: 8px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

/* Main Header */
.main-header {
    background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
    color: #FFFFFF;
    padding: 14px 22px;
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.main-header::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 180px;
    height: 100%;
    background: linear-gradient(90deg, rgba(211, 47, 47, 0) 0%, rgba(211, 47, 47, 0.25) 100%);
    pointer-events: none;
}

.header-brand-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 2px;
}

.brand-badge {
    background-color: var(--primary-red);
    color: #FFFFFF;
    font-weight: 700;
    font-size: 0.78rem;
    padding: 2px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.version-tag { color: #94A3B8; font-size: 0.78rem; }
.main-header h1 { font-size: 1.4rem; font-weight: 700; margin-bottom: 2px; color: #FFFFFF; }
.main-header .subtitle { color: #94A3B8; font-size: 0.85rem; }

/* Tabs Navigation */
.tabs-navigation {
    display: flex;
    gap: 10px;
    background-color: #E2E8F0;
    padding: 4px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: var(--shadow-sm);
    margin-bottom: 8px;
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 7px 14px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    color: #475569;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    min-height: 36px;
}

.tab-btn:hover { color: var(--text-main); background-color: rgba(255, 255, 255, 0.6); }

.tab-btn.active {
    background-color: #FFFFFF;
    color: var(--primary-red);
    box-shadow: var(--shadow-sm);
}

/* COMPACT WORKFLOW MODE HEADER ROW (ROW 1) */
.workflow-header-card-compact {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 6px 14px;
    margin-bottom: 8px;
    box-shadow: var(--shadow-sm);
}

.workflow-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.wf-title-group h2 { font-size: 1.15rem; color: var(--secondary-slate); font-weight: 700; }

.mode-toggle-container {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--bg-main);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.toggle-label { font-weight: 600; font-size: 0.84rem; color: var(--secondary-slate); }
.toggle-switch-group { display: flex; gap: 4px; }

.btn-toggle {
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: #FFFFFF;
    font-family: inherit;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 34px;
}

.btn-toggle.active {
    background-color: var(--primary-red);
    color: #FFFFFF;
    border-color: var(--primary-red);
    box-shadow: var(--shadow-sm);
}

/* HIGH-IMPACT PROMINENT 3-STEP BANNER (ROW 2) */
.prominent-3step-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    box-shadow: var(--shadow-sm);
}

.overview-card {
    flex: 1;
    background-color: #F8FAFC;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 52px;
}

.overview-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.overview-card.step-1-card { border-left: 4px solid var(--secondary-slate); }
.overview-card.step-2-card { border-left: 4px solid #0284C7; }
.overview-card.step-3-card { border-left: 4px solid var(--primary-red); }

.overview-card.step-1-card.active {
    border: 2px solid var(--secondary-slate);
    border-left: 5px solid var(--secondary-slate);
    background-color: #FFFFFF;
    box-shadow: var(--shadow-md);
}

.overview-card.step-2-card.active {
    border: 2px solid #0284C7;
    border-left: 5px solid #0284C7;
    background-color: #FFFFFF;
    box-shadow: var(--shadow-md);
}

.overview-card.step-3-card.active {
    border: 2px solid var(--primary-red);
    border-left: 5px solid var(--primary-red);
    background-color: #FFFFFF;
    box-shadow: var(--shadow-md);
}

.overview-badge {
    background-color: var(--secondary-slate);
    color: #FFFFFF;
    font-size: 0.8rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 12px;
    flex-shrink: 0;
    letter-spacing: 0.5px;
}

.overview-badge.phase-2 { background-color: #0284C7; }
.overview-badge.phase-3 { background-color: var(--primary-red); }

.overview-card-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.overview-title-main {
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--secondary-slate);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.overview-sub-main {
    font-size: 0.78rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.overview-sub-pill {
    font-size: 0.76rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    display: inline-block;
    width: fit-content;
}

.overview-sub-pill.blue { color: #0369A1; background-color: #E0F2FE; }
.overview-sub-pill.red { color: #991B1B; background-color: #FEE2E2; }

.overview-arrow { font-size: 1.2rem; color: #94A3B8; font-weight: 800; flex-shrink: 0; }

/* Tab Contents */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Cards Base */
.card {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 24px;
}

/* MASTER-DETAIL SPLIT LAYOUT */
.workflow-master-detail {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
    align-items: start;
    margin-bottom: 24px;
}

/* Left Sidebar */
.steps-sidebar {
    padding: 20px;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 75px;
    max-height: calc(100vh - 95px);
    overflow-y: auto;
}

.sidebar-header { padding-bottom: 12px; margin-bottom: 12px; border-bottom: 1px solid var(--border-color); }

.sidebar-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.sidebar-header h3 { font-size: 1.1rem; color: var(--secondary-slate); }

.btn-show-all {
    font-size: 0.75rem;
    font-weight: 600;
    color: #0284C7;
    background-color: #F0F9FF;
    border: 1px solid #BAE6FD;
    padding: 3px 8px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-show-all:hover { background-color: #0284C7; color: #FFFFFF; }
.sidebar-sub { font-size: 0.8rem; color: var(--text-muted); }

.steps-nav-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.phase-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.phase-nav-header {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--secondary-slate);
    background-color: #F1F5F9;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    margin-top: 6px;
    margin-bottom: 4px;
    letter-spacing: 0.2px;
}

.phase-nav-header.phase-2 { background-color: #E0F2FE; color: #0369A1; }
.phase-nav-header.phase-3 { background-color: #FEE2E2; color: #991B1B; }

.step-nav-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.88rem;
    color: #334155;
    cursor: pointer;
    transition: all 0.15s ease;
}

.step-nav-btn:hover { background-color: #FFFFFF; border-color: #94A3B8; transform: translateX(2px); }

.step-nav-btn.active {
    background-color: #FFFFFF;
    border-color: var(--primary-red);
    border-left: 4px solid var(--primary-red);
    box-shadow: var(--shadow-sm);
    color: var(--secondary-slate);
    font-weight: 600;
}

.step-nav-btn.highlight-new {
    border-left: 3px solid #0284C7;
    background-color: #F0F9FF;
}

/* STYLES FOR DYNAMIC LOAN SUB-STEPS */
.step-nav-btn.highlight-loan {
    border-left: 3px solid #7C3AED;
    background-color: #F5F3FF;
}

.step-nav-btn.highlight-loan.active {
    border-color: #7C3AED;
    border-left: 4px solid #7C3AED;
    background-color: #FFFFFF;
}

.step-nav-num {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background-color: #E2E8F0;
    color: var(--secondary-slate);
    font-weight: 700;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-nav-num.loan-num {
    background-color: #DDD6FE;
    font-size: 0.85rem;
}

.step-nav-btn.active .step-nav-num { background-color: var(--primary-red); color: #FFFFFF; }
.step-nav-btn.highlight-loan.active .step-nav-num { background-color: #7C3AED; color: #FFFFFF; }
.step-nav-text { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* RELOCATED PAYMENT SUMMARY & REFUND POLICY (INSIDE SIDEBAR) */
.sidebar-summaries-container {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-sec-title {
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--secondary-slate);
    margin-bottom: 8px;
}

.sidebar-milestones-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.milestone-box {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px;
    text-align: center;
    transition: transform 0.2s ease;
}

.milestone-box:hover { transform: translateY(-1px); }
.milestone-box.step-deposit { border-color: #CBD5E1; background-color: #F1F5F9; }
.milestone-box.step-1, .milestone-box.step-2, .milestone-box.step-3, .milestone-box.step-4, .milestone-box.step-5 { border-top: 3px solid var(--primary-red); }

.ms-header, .ms-step { font-size: 0.72rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; }
.ms-value-sm { font-size: 0.9rem; font-weight: 700; color: var(--primary-red); margin: 2px 0; }
.ms-desc-sm { font-size: 0.7rem; color: var(--text-muted); line-height: 1.2; }

.sidebar-refund-policy {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.policy-badge {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.policy-badge.refund-100 { background-color: var(--success-bg); color: var(--success-green); border: 1px solid #A7F3D0; }
.policy-badge.refund-25 { background-color: var(--warning-bg); color: var(--warning-yellow); border: 1px solid #FDE68A; }

.badge-text-sm { font-size: 0.76rem; line-height: 1.3; }

/* Right Detail Panel */
.step-detail-panel { padding: 28px; }

.panel-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.panel-step-badge {
    background-color: var(--primary-red);
    color: #FFFFFF;
    font-size: 1.1rem;
    font-weight: 700;
    padding: 8px 18px;
    border-radius: 20px;
    flex-shrink: 0;
}

.panel-header h3 { font-size: 1.45rem; color: var(--secondary-slate); margin-bottom: 2px; }
.panel-step-phase { font-size: 0.88rem; color: var(--text-muted); }

.panel-body { display: flex; flex-direction: column; gap: 24px; }
.panel-section { display: flex; flex-direction: column; gap: 10px; }

.sec-title-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.click-hint { font-size: 0.82rem; color: #0284C7; font-weight: 500; }
.panel-sec-title { font-size: 1.05rem; color: var(--secondary-slate); font-weight: 700; }
.panel-body p { font-size: 0.98rem; color: #334155; line-height: 1.7; }

.panel-special-box {
    background-color: #FEF3C7;
    border-left: 4px solid #F59E0B;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    color: #92400E;
}

.panel-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.panel-img-card {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    text-align: center;
    cursor: zoom-in;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.panel-img-card:hover { transform: scale(1.02); box-shadow: var(--shadow-md); border-color: var(--primary-red); }
.panel-img-card img { width: 100%; height: 160px; object-fit: cover; display: block; }
.panel-img-cap { padding: 10px; font-size: 0.85rem; color: var(--secondary-slate); font-weight: 500; }

/* VIDEO PLAYER STYLES */
.panel-video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.panel-video-card {
    background-color: #0F172A;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.panel-video-card video, .panel-video-card iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: none;
    background-color: #000000;
    display: block;
}

.panel-video-cap {
    padding: 12px;
    font-size: 0.88rem;
    color: #F8FAFC;
    background-color: #1E293B;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-video-expand {
    background: rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
    border: none;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.78rem;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-video-expand:hover { background: var(--primary-red); }

.panel-tip-box {
    background-color: var(--primary-red-light);
    border-left: 4px solid var(--primary-red);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    color: #991B1B;
}

/* ==========================================================================
   TAB 2: CUSTOMER PROPOSAL GENERATOR & SHEET (INDEPENDENT SCROLL PANELS)
   ========================================================================== */
.plan-builder-container {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
    align-items: start;
}

/* LEFT FORM PANEL INDEPENDENT SCROLL */
.plan-builder-container > .card:first-child {
    position: sticky;
    top: 75px;
    max-height: calc(100vh - 95px);
    overflow-y: auto;
    padding-right: 14px;
}

/* RIGHT PROPOSAL PREVIEW PANEL INDEPENDENT SCROLL */
.proposal-document-card {
    position: sticky;
    top: 75px;
    max-height: calc(100vh - 95px);
    overflow-y: auto;
    padding: 24px;
    background: #FFFFFF;
}

/* Custom Sleek Scrollbar for Independent Panels */
.plan-builder-container > .card:first-child::-webkit-scrollbar,
.proposal-document-card::-webkit-scrollbar,
.steps-sidebar::-webkit-scrollbar {
    width: 6px;
}

.plan-builder-container > .card:first-child::-webkit-scrollbar-track,
.proposal-document-card::-webkit-scrollbar-track,
.steps-sidebar::-webkit-scrollbar-track {
    background: #F1F5F9;
    border-radius: 4px;
}

.plan-builder-container > .card:first-child::-webkit-scrollbar-thumb,
.proposal-document-card::-webkit-scrollbar-thumb,
.steps-sidebar::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 4px;
}

.plan-builder-container > .card:first-child::-webkit-scrollbar-thumb:hover,
.proposal-document-card::-webkit-scrollbar-thumb:hover,
.steps-sidebar::-webkit-scrollbar-thumb:hover {
    background: #94A3B8;
}

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--secondary-slate); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.92rem;
    background-color: #FFFFFF;
}

.form-group select optgroup {
    font-weight: 700;
    color: var(--primary-red);
    background-color: #F1F5F9;
}

.form-group select option {
    font-weight: 400;
    color: var(--text-main);
    background-color: #FFFFFF;
    padding: 4px 8px;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary-red); }
.input-wrapper { position: relative; display: flex; align-items: center; }
.input-suffix { position: absolute; right: 14px; color: var(--text-muted); font-size: 0.9rem; }

.form-group-section {
    background-color: var(--bg-main);
    padding: 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 18px;
}

.form-group-section h4 { font-size: 0.9rem; color: var(--secondary-slate); margin-bottom: 10px; }

/* 15/16-Step Milestone Dates Editable Grid */
.editable-dates-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    max-height: 280px;
    overflow-y: auto;
    padding-right: 4px;
}

.date-edit-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.date-edit-item label {
    font-size: 0.72rem;
    font-weight: 600;
    color: #475569;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.date-edit-item input {
    padding: 3px 6px;
    font-size: 0.78rem;
}

.editable-inst-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.inst-edit-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.inst-edit-item label { font-size: 0.8rem; font-weight: 500; color: #475569; margin: 0; }
.inst-edit-item input { width: 130px; padding: 6px 10px; font-size: 0.85rem; text-align: right; }

.btn-primary {
    background-color: var(--primary-red);
    color: #FFFFFF;
    border: none;
    padding: 12px 20px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.2s ease;
    min-height: 44px;
}

.btn-primary:hover { background-color: var(--primary-red-hover); }
.btn-block { width: 100%; justify-content: center; margin-top: 10px; }

.doc-bottom-action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    margin-top: 24px;
}

.doc-tag { font-size: 0.88rem; font-weight: 600; color: var(--secondary-slate); }

/* Header Branding Row */
.proposal-sheet-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 16px;
}

.customer-info-box h2 { font-size: 1.8rem; font-weight: 700; color: var(--secondary-slate); }
.customer-info-box .location-text { font-size: 1.05rem; color: #475569; font-weight: 500; }

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

.scg-logo-red {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--primary-red);
    letter-spacing: 1px;
}

.heim-sub-logo {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--secondary-slate);
    margin-top: -4px;
}

.tagline-small { font-size: 0.55rem; color: var(--text-muted); letter-spacing: 1px; }

.model-info-box h2 { font-size: 1.6rem; font-weight: 700; color: #334155; text-align: right; }

/* HERO SPLIT LAYOUT: Photo on Left + Specs & Payment Table on Right */
.proposal-hero-split {
    display: grid;
    grid-template-columns: 44% 54%;
    gap: 2%;
    align-items: start;
    margin-bottom: 24px;
}

.hero-left-photo {
    background-color: #F8FAFC;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px;
    text-align: center;
}

.hero-left-photo img {
    width: 100%;
    height: auto;
    max-height: 290px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    border-radius: 4px;
}

.render-caption-sub {
    font-size: 0.76rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.hero-right-specs-table {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Area Specs Box (Col H, I, J) */
.doc-area-specs-box {
    background-color: #E0F2FE;
    border: 1px solid #7DD3FC;
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    font-size: 0.84rem;
    color: #0369A1;
    margin-top: 10px;
    width: 100%;
}

.doc-area-specs-box .total-spec {
    font-weight: 700;
    color: #0C4A6E;
    font-size: 0.88rem;
}

.stepper-section-heading {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--secondary-slate);
    margin-top: 18px;
    margin-bottom: 8px;
}

/* Payment Table on Right */
.table-title-compact {
    font-size: 1rem;
    color: var(--secondary-slate);
    margin-bottom: 8px;
}

.plan-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.plan-table th, .plan-table td {
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.plan-table th {
    background-color: #F1F5F9;
    color: var(--secondary-slate);
    font-weight: 700;
}

.compact-table td {
    font-size: 0.84rem;
    padding: 5px 8px;
}

.sub-deposit-row td {
    background-color: #FAFAFA;
    font-size: 0.8rem;
    color: #475569;
}

.total-row td {
    background-color: #FEF2F2;
    color: var(--primary-red);
    font-size: 0.92rem;
}

/* DYNAMIC 15/16 STEPPER TIMELINE STYLES */
.proposal-timeline-container {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px 12px;
    margin-bottom: 24px;
    position: relative;
    overflow-x: auto;
}

.timeline-callout-row {
    position: relative;
    height: 28px;
    margin-bottom: 6px;
}

.callout-banner {
    position: absolute;
    top: 0;
    font-size: 0.76rem;
    padding: 3px 10px;
    border-radius: 4px;
    display: inline-block;
    white-space: nowrap;
    transform: translateX(-50%);
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.callout-banner.red-banner { color: #991B1B; background-color: #FEE2E2; font-weight: 700; border: 1px solid #FCA5A5; }

.stepper-date-pills-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    padding: 0;
}

.date-pill-col {
    flex: 1;
    text-align: center;
    background: #FFFFFF;
    border: 1px solid var(--secondary-slate);
    border-radius: 4px;
    padding: 2px 2px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--secondary-slate);
    margin: 0 1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.date-pill-col.transparent {
    background: transparent !important;
    border-color: transparent !important;
    color: transparent !important;
    visibility: hidden;
}

/* 3 PRECISE DURATION BARS WRAPPER WITH UNIFORM ROUNDED CORNERS */
.stepper-bars-wrapper {
    position: relative;
    height: 28px;
    margin: 8px 0 16px 0;
}

.duration-bar {
    position: absolute;
    top: 0;
    height: 100%;
    border-radius: 6px !important;
    font-size: 0.76rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #FFFFFF;
    padding: 0 6px;
    box-shadow: var(--shadow-sm);
}

.duration-bar.pink-bar-precise {
    background-color: #F87171;
}

.duration-bar.blue-bar-precise {
    background-color: #2563EB;
}

.duration-bar.green-bar-precise {
    background-color: #10B981;
}

/* DYNAMIC STEPPER NODES ROW */
.stepper-nodes-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    padding: 0;
}

.stepper-line-bg {
    position: absolute;
    top: 15px;
    left: 2%;
    right: 2%;
    height: 3px;
    background-color: #CBD5E1;
    z-index: 1;
}

.step-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    z-index: 2;
    flex: 1;
    min-width: 0;
}

.node-circle {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #94A3B8;
    color: #FFFFFF;
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 6px;
    border: 2px solid #FFFFFF;
    box-shadow: var(--shadow-sm);
}

.step-node.loan-node .node-circle {
    background-color: #7C3AED;
    border-color: #DDD6FE;
}

.node-title {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--secondary-slate);
    line-height: 1.2;
    margin-bottom: 2px;
}

.node-sub {
    font-size: 0.62rem;
    line-height: 1.15;
}

.loan-sub-note {
    color: #7C3AED;
    font-weight: 700;
    font-size: 0.62rem;
}

.blue-sub-note {
    color: #0284C7;
    font-weight: 700;
    font-size: 0.62rem;
}

.red-text { color: var(--primary-red); }

.parallel-yellow-wrapper {
    position: relative;
    margin-top: 14px;
}

.parallel-yellow-bar-precise {
    background-color: #FACC15;
    color: #713F12;
    font-size: 0.74rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px !important;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid #EAB308;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Custom Notes Section in Document Sheet */
.doc-notes-section {
    background-color: #F8FAFC;
    border-left: 4px solid var(--primary-red);
    padding: 16px;
    border-radius: var(--radius-sm);
    margin-top: 20px;
}

.doc-notes-section h4 { font-size: 0.95rem; color: var(--secondary-slate); margin-bottom: 6px; }
.notes-content-box { font-size: 0.9rem; color: #334155; line-height: 1.6; white-space: pre-line; }

/* TAB 3: Comparison Table Styles */
.table-container { overflow-x: auto; }

.reference-table, .comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    min-width: 700px;
}

.comparison-table th, .comparison-table td {
    padding: 14px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: top;
}

.comparison-table th { background-color: var(--bg-main); color: var(--secondary-slate); font-weight: 700; text-align: left; }

.bank-info { display: flex; flex-direction: column; gap: 4px; }

.bank-logo-placeholder {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background-color: var(--secondary-slate);
    color: #FFFFFF;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

.bank-name { font-weight: 700; color: var(--secondary-slate); }
.bank-package-title { font-size: 0.82rem; color: var(--text-muted); }

.avg-rate-box {
    background-color: #FEF2F2;
    border: 1px solid #FCA5A5;
    border-radius: var(--radius-sm);
    padding: 10px;
    text-align: center;
}

.avg-rate-box .number { font-size: 1.4rem; font-weight: 700; color: var(--primary-red); display: block; }
.avg-rate-box .label { font-size: 0.8rem; color: var(--text-muted); }

.installment-item { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 6px; font-size: 0.88rem; }
.inst-val { font-weight: 700; color: var(--secondary-slate); }
.rate-row { display: flex; justify-content: space-between; font-size: 0.85rem; margin-bottom: 4px; }

.cond-badge {
    display: inline-block;
    background-color: var(--success-bg);
    color: var(--success-green);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    margin-bottom: 6px;
}

.cond-desc-item { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 4px; }

/* TAB 4: Checklist Styles */
.checklist-container { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.card-header-with-icon { display: flex; gap: 14px; margin-bottom: 20px; }
.header-icon { font-size: 2rem; }
.card-header-with-icon h3 { font-size: 1.2rem; color: var(--secondary-slate); }
.card-header-with-icon p { font-size: 0.88rem; color: var(--text-muted); }

.checklist-items { display: flex; flex-direction: column; gap: 12px; }

.check-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background-color: var(--bg-main);
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.check-item:hover { background-color: #F1F5F9; }
.check-item input { margin-top: 4px; accent-color: var(--primary-red); width: 18px; height: 18px; }
.item-text { font-size: 0.92rem; color: var(--secondary-slate); }

.income-type-group { display: flex; flex-direction: column; gap: 16px; }
.income-subcard { border-top: 2px solid var(--primary-red); padding-top: 12px; }
.income-subcard h4 { font-size: 1rem; color: var(--secondary-slate); margin-bottom: 10px; }

/* FULLSCREEN LIGHTBOX STYLES */
.lightbox-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    z-index: 99999;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.lightbox-overlay.active { display: flex; }

.lightbox-close-btn {
    position: absolute;
    top: 20px;
    right: 24px;
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    border: none;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
    z-index: 100000;
}

.lightbox-close-btn:hover { background: var(--primary-red); }

.lightbox-container {
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.lightbox-container img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    animation: zoomIn 0.2s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.lightbox-caption {
    color: #F8FAFC;
    font-size: 1.05rem;
    margin-top: 14px;
    text-align: center;
    background: rgba(0, 0, 0, 0.6);
    padding: 8px 20px;
    border-radius: 20px;
}

/* DOCUMENT PREVIEW MODAL STYLES */
.preview-modal-wrapper {
    background: #FFFFFF;
    border-radius: var(--radius-md);
    width: 94vw;
    max-width: 1280px;
    height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: zoomIn 0.2s ease;
}

.preview-modal-header {
    background: var(--secondary-slate);
    color: #FFFFFF;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.preview-title-group h3 { font-size: 1.1rem; color: #FFFFFF; }
.preview-title-group .preview-sub { font-size: 0.78rem; color: #94A3B8; }

.preview-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-close-modal {
    background: rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.btn-close-modal:hover { background: var(--primary-red); border-color: var(--primary-red); }

.preview-modal-body {
    flex: 1;
    background: #475569;
    padding: 24px;
    overflow-y: auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.a4-landscape-sheet-preview {
    background: #FFFFFF;
    width: 1100px;
    min-height: 750px;
    padding: 28px;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* Footer */
.app-footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Print Only Styles - A4 LANDSCAPE FORMATTED (SINGLE-PAGE PDF) */
.only-print { display: none !important; }

@media print {
    @page {
        size: A4 landscape;
        margin: 5mm 6mm;
    }

    html, body {
        width: 297mm;
        height: 210mm;
        background: #FFFFFF !important;
        margin: 0 !important;
        padding: 0 !important;
        font-family: 'Sarabun', 'Outfit', sans-serif !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .no-print,
    .sticky-header-container,
    .plan-form-card,
    .doc-bottom-action-bar,
    .app-footer,
    .lightbox-overlay {
        display: none !important;
    }

    .app-container {
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
    }

    .tab-content {
        display: none !important;
    }

    #tab-customer-plan {
        display: block !important;
    }

    .plan-builder-container {
        display: block !important;
    }

    .proposal-document-card {
        position: static !important;
        max-height: none !important;
        overflow: visible !important;
        padding: 8px 12px !important;
        border: none !important;
        box-shadow: none !important;
        width: 100% !important;
    }

    .customer-info-box h2 { font-size: 1.5rem !important; }
    .customer-info-box .location-text { font-size: 0.9rem !important; }
    .scg-logo-red { font-size: 1.3rem !important; }
    .heim-sub-logo { font-size: 1.0rem !important; }
    .model-info-box h2 { font-size: 1.3rem !important; }

    .proposal-hero-split {
        grid-template-columns: 40% 58% !important;
        gap: 2% !important;
        margin-bottom: 10px !important;
    }

    .hero-left-photo {
        padding: 6px !important;
    }

    .hero-left-photo img {
        max-height: 180px !important;
        object-fit: contain !important;
    }

    .doc-area-specs-box {
        padding: 5px 8px !important;
        font-size: 0.78rem !important;
        margin-top: 5px !important;
    }

    .table-title-compact {
        font-size: 0.9rem !important;
        margin-bottom: 4px !important;
    }

    .plan-table th, .plan-table td {
        padding: 4px 6px !important;
        font-size: 0.78rem !important;
    }

    .stepper-section-heading {
        font-size: 0.95rem !important;
        margin-top: 8px !important;
        margin-bottom: 4px !important;
    }

    .proposal-timeline-container {
        padding: 10px 6px !important;
        margin-bottom: 8px !important;
    }

    .timeline-callout-row {
        height: 22px !important;
        margin-bottom: 4px !important;
    }

    .callout-banner {
        font-size: 0.65rem !important;
        padding: 2px 6px !important;
    }

    .stepper-date-pills-row {
        margin-bottom: 4px !important;
    }

    .date-pill-col {
        font-size: 0.6rem !important;
        padding: 1px 1px !important;
    }

    .stepper-bars-wrapper {
        height: 22px !important;
        margin: 4px 0 10px 0 !important;
    }

    .duration-bar {
        font-size: 0.65rem !important;
        padding: 0 4px !important;
    }

    .node-circle {
        width: 24px !important;
        height: 24px !important;
        font-size: 0.72rem !important;
        margin-bottom: 3px !important;
    }

    .node-title {
        font-size: 0.6rem !important;
    }

    .node-sub {
        font-size: 0.55rem !important;
    }

    .parallel-yellow-wrapper {
        margin-top: 8px !important;
        height: 22px !important;
    }

    .parallel-yellow-bar-precise {
        font-size: 0.65rem !important;
        padding: 2px 6px !important;
    }

    .doc-notes-section {
        padding: 8px 12px !important;
        margin-top: 8px !important;
    }

    .doc-notes-section h4 {
        font-size: 0.82rem !important;
    }

    .notes-content-box {
        font-size: 0.78rem !important;
    }
}

/* RESPONSIVE MEDIA QUERIES */

/* Tablet & iPad (max-width: 1024px) */
@media (max-width: 1024px) {
    .app-container { padding: 0 16px 24px 16px; }
    .workflow-master-detail { grid-template-columns: 320px 1fr; }
    .plan-builder-container { grid-template-columns: 1fr; }
    .proposal-hero-split { grid-template-columns: 1fr; }
    .checklist-container { grid-template-columns: 1fr; }
    .sidebar-milestones-grid { grid-template-columns: 1fr; }

    .plan-builder-container > .card:first-child,
    .proposal-document-card,
    .steps-sidebar {
        position: static;
        max-height: none;
        overflow-y: visible;
    }
}

/* Mobile Devices (max-width: 768px) */
@media (max-width: 768px) {
    .app-container { padding: 0 8px 16px 8px; }
    .sticky-header-container { padding-top: 8px; margin-bottom: 12px; }

    .prominent-3step-banner { flex-direction: column; align-items: stretch; gap: 6px; }
    .overview-arrow { display: none; }

    .workflow-master-detail { grid-template-columns: 1fr; }

    .step-detail-panel { padding: 18px; }
    .main-header { padding: 14px 12px; border-radius: var(--radius-md); }
    .main-header h1 { font-size: 1.2rem; }
    .main-header .subtitle { font-size: 0.8rem; }
    .tabs-navigation { justify-content: flex-start; padding: 4px; }
    .tab-btn { font-size: 0.85rem; padding: 8px 12px; flex: 0 0 auto; }

    .workflow-header-top { flex-direction: column; align-items: flex-start; gap: 10px; }
    .mode-toggle-container { width: 100%; justify-content: space-between; }
    .panel-gallery-grid { grid-template-columns: 1fr; }
    .panel-video-grid { grid-template-columns: 1fr; }
    
    .proposal-hero-split { grid-template-columns: 1fr; }
    .stepper-nodes-row { overflow-x: auto; padding-bottom: 10px; }
    .step-node { min-width: 65px; }

    .lightbox-close-btn { top: 12px; right: 12px; padding: 6px 14px; font-size: 0.85rem; }
}