:root {
    --primary-color: #202124;
    --primary-hover: #000000;
    --secondary-color: #6B7280;
    --bg-main: #F8FAFC;
    --bg-card: #FFFFFF;
    --text-primary: #202124;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --accent-light: #F9FAFB;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
}

/* Hide CodeIgniter Debug Toolbar Flame Logo */
#debug-bar-container, .ci-debug-bar, .debug-bar-icon, [id^="ci-debugbar"] {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

.navbar-quotation {
    background-color: #202124;
    padding: 0.75rem 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.navbar-brand-quotation {
    color: #FFFFFF;
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link-quotation {
    color: #9CA3AF;
    font-weight: 500;
    padding: 0.5rem 0.85rem;
    border-radius: 0.375rem;
    text-decoration: none;
    transition: all 0.15s ease-in-out;
}

.nav-link-quotation:hover, .nav-link-quotation.active {
    color: #FFFFFF;
    background-color: #374151;
}

.card-quotation {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.stat-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
}

/* Monochrome Badges */
.badge-draft { background-color: #F3F4F6; color: #4B5563; border: 1px solid #E5E7EB; }
.badge-sent { background-color: #E5E7EB; color: #111827; border: 1px solid #D1D5DB; font-weight: 600; }
.badge-viewed { background-color: #E5E7EB; color: #1F2937; border: 1px solid #D1D5DB; }
.badge-accepted { background-color: #202124; color: #FFFFFF; font-weight: 700; }
.badge-rejected { background-color: #F3F4F6; color: #6B7280; border: 1px solid #D1D5DB; text-decoration: line-through; }
.badge-expired { background-color: #F9FAFB; color: #9CA3AF; border: 1px solid #E5E7EB; }

.btn-quotation-primary {
    background-color: #202124;
    color: #FFFFFF;
    font-weight: 600;
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 0.375rem;
}

.btn-quotation-primary:hover {
    background-color: #000000;
    color: #FFFFFF;
}

.btn-quotation-outline {
    background-color: transparent;
    color: #202124;
    border: 1px solid #D1D5DB;
    font-weight: 500;
    padding: 0.4rem 1rem;
    border-radius: 0.375rem;
}

.btn-quotation-outline:hover {
    background-color: #F3F4F6;
    color: #000000;
}

/* A4 Workspace & Natural Sequential Flow Page Frame Architecture */
.a4-workspace {
    background-color: #CBD5E1;
    padding: 2.5rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    border-radius: 0.75rem;
}

.a4-page {
    background: #FFFFFF;
    width: 210mm !important;
    height: 297mm !important;
    min-height: 297mm !important;
    max-height: 297mm !important;
    padding: var(--page-top, 18mm) var(--page-right, 14mm) var(--page-bottom, 18mm) var(--page-left, 14mm) !important;
    box-sizing: border-box !important;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border: 1px solid #E2E8F0;
    color: #202124;
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    position: relative !important;
    overflow: hidden !important;
    page-break-after: always;
    break-after: page;
}

/* 1. NATURAL HEADER BLOCK */
.a4-page-header {
    flex-shrink: 0 !important;
    width: 100% !important;
    margin-bottom: 0.35rem !important;
}

/* 2. DYNAMIC SEQUENTIAL CONTENT STREAM BODY (Flows naturally below Header with ZERO overlap) */
.a4-page-body {
    flex-grow: 1 !important;
    width: 100% !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
}

/* 3. ANCHORED FOOTER BLOCK */
.a4-page-footer {
    flex-shrink: 0 !important;
    width: 100% !important;
    border-top: 1px solid #E5E7EB !important;
    padding-top: 0.35rem !important;
    margin-top: auto !important;
    text-align: center !important;
    font-size: 0.78rem !important;
    color: #6B7280 !important;
}

.quotation-header-title {
    font-size: 2rem;
    font-weight: 800;
    color: #202124;
    letter-spacing: 0.06em;
    line-height: 1;
    white-space: nowrap;
    display: inline-block;
}

.table-document {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 0;
    table-layout: fixed;
}

.table-document th {
    background-color: #F9FAFB;
    color: #6B7280;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 2px solid #202124;
    padding: 0.6rem 0.8rem;
}

.table-document td {
    padding: 0.6rem 0.8rem;
    border-bottom: 1px solid #E5E7EB;
    font-size: 0.88rem;
    color: #202124;
}

.quotation-section-block {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    width: 100%;
}

.avoid-page-break {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    width: 100%;
}

/* Print Specification for A4 Paper Sheets */
@media print {
    @page {
        size: A4 portrait;
        margin: 0;
    }
    body {
        background-color: #FFFFFF !important;
        margin: 0 !important;
        padding: 0 !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    .no-print { display: none !important; }
    .a4-workspace {
        background: none !important;
        padding: 0 !important;
        gap: 0 !important;
    }
    .a4-page {
        box-shadow: none !important;
        border: none !important;
        margin: 0 !important;
        width: 210mm !important;
        height: 297mm !important;
        min-height: 297mm !important;
        max-height: 297mm !important;
        page-break-after: always;
        break-after: page;
    }
    .a4-page:last-child {
        page-break-after: auto;
        break-after: auto;
    }
}