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

/* Modern Unified Design System for DocuMind PDF Platform (Default Dark Mode with Open Sans) */
:root {
    --font: 'Open Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    --bg-main: #0f1623;
    --bg-card: #1a2332;
    --bg-card-subtle: #141d2b;
    --bg-header: #141d2b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: #1ABB9C;
    --text-main: #e6ebf2;
    --text-muted: #8a93a3;
    --text-dim: #5a6473;

    --accent-primary: #1ABB9C;
    --accent-primary-hover: #169f85;
    --accent-glow: rgba(26, 187, 156, 0.25);
    --accent-pdf: #d63939;

    --badge-cyrillic: #d6336c;
    --badge-latin: #4263eb;
    --badge-mixed: #ae3ec9;

    --highlight-word-bg: #f59f00;
    --highlight-word-text: #000000;
    --highlight-phrase-color: #1ABB9C;
    --highlight-phrase-border: #1ABB9C;
    --highlight-phrase-border-style: dashed;
}

mark,
.search-highlight,
mark.word-highlight,
.word-highlight {
    background-color: var(--highlight-word-bg, #f59f00) !important;
    color: var(--highlight-word-text, #000000) !important;
    padding: 1px 5px !important;
    border-radius: 4px !important;
    font-weight: 700 !important;
}

mark.phrase-highlight,
.phrase-highlight {
    border: 2px var(--highlight-phrase-border-style, dashed) var(--highlight-phrase-color, #1ABB9C) !important;
    background-color: rgba(26, 187, 156, 0.08) !important;
    padding: 2px 6px !important;
    border-radius: 6px !important;
    display: inline-block !important;
}

[data-theme="light"], .light-mode {
    --bg-main: #f5f7fb;
    --bg-card: #ffffff;
    --bg-card-subtle: #f9fafb;
    --bg-header: #ffffff;
    --border-color: #e6e7eb;
    --border-hover: #1ABB9C;
    --text-main: #1e2633;
    --text-muted: #7e8896;
    --text-dim: #c0c7cf;

    --accent-primary: #1ABB9C;
    --accent-primary-hover: #169f85;
    --accent-glow: rgba(26, 187, 156, 0.15);

    --highlight-word-bg: #fef08a;
    --highlight-word-text: #0f172a;
    --highlight-phrase-color: #1ABB9C;
    --highlight-phrase-border: #1ABB9C;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font) !important;
    background-color: var(--bg-main) !important;
    color: var(--text-main) !important;
    line-height: 1.6 !important;
    min-height: 100vh !important;
    transition: background-color 0.25s ease, color 0.25s ease !important;
}

.container {
    max-width: 1150px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Fix Bootstrap 4 .col-3 max-width:25% conflict on Gentelella v4 Grid Containers */
.row.col-3,
.row.col-4,
.row.col-2,
.row.col-8-4,
.row.col-4-8,
.row.col-1,
.stats-grid {
    flex: none !important;
    max-width: 100% !important;
    width: 100% !important;
    display: grid !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

.row.col-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 16px !important;
}

.row.col-3 > .card {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    margin: 0 !important;
}

@media (max-width: 920px) {
    .row.col-3 {
        grid-template-columns: repeat(1, minmax(0, 1fr)) !important;
    }
}

/* Topbar Breadcrumb Styling Override (Overriding Bootstrap 4 default .breadcrumb) */
.topbar .breadcrumb,
body .topbar nav.breadcrumb {
    background: transparent !important;
    background-color: transparent !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    font-size: 13px !important;
    line-height: 1 !important;
    color: var(--text-muted, #8a93a3) !important;
    box-shadow: none !important;
}

.topbar .breadcrumb a {
    color: var(--text-secondary, #b3bccb) !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    transition: color 0.15s ease !important;
}

.topbar .breadcrumb a:hover {
    color: var(--primary, #1abb9c) !important;
    text-decoration: underline !important;
}

.topbar .breadcrumb .sep {
    color: var(--text-disabled, #5a6473) !important;
    margin: 0 2px !important;
    font-size: 14px !important;
    user-select: none !important;
}

.topbar .breadcrumb .current {
    color: var(--text, #e6ebf2) !important;
    font-weight: 600 !important;
}

/* =========================================================
   UNIVERSAL FORM ELEMENTS SYSTEM (Gentelella v4 Open Sans)
   ========================================================= */
label,
.form-label {
    font-family: var(--font) !important;
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    color: var(--text-muted, #8a93a3) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.4px !important;
    margin-bottom: 0.4rem !important;
    display: block !important;
}

.form-control,
.form-select,
select.form-control,
select.custom-select,
input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="search"],
input[type="date"],
input[type="url"],
textarea.form-control {
    background-color: var(--bg-card-subtle, #141d2b) !important;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08)) !important;
    border-radius: var(--radius, 8px) !important;
    color: var(--text-main, #e6ebf2) !important;
    font-family: var(--font) !important;
    font-size: 0.875rem !important;
    padding: 0.45rem 0.85rem !important;
    height: 40px !important;
    line-height: 1.4 !important;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease !important;
    box-shadow: none !important;
}

textarea.form-control {
    height: auto !important;
    min-height: 90px !important;
    padding: 0.65rem 0.85rem !important;
}

.form-control::placeholder {
    color: var(--text-dim, #5a6473) !important;
    opacity: 0.75 !important;
}

.form-control:focus,
.form-select:focus,
select.form-control:focus,
select.custom-select:focus,
input:focus,
textarea:focus {
    background-color: var(--bg-card-subtle, #141d2b) !important;
    border-color: var(--accent-primary, #1ABB9C) !important;
    color: var(--text-main, #e6ebf2) !important;
    box-shadow: 0 0 0 3px var(--accent-glow, rgba(26, 187, 156, 0.25)) !important;
    outline: none !important;
}

/* Custom Select Dropdown Icon */
select.form-control,
select.custom-select,
.form-select {
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238a93a3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important;
    background-size: 14px 14px !important;
    padding-right: 36px !important;
}

select option {
    background-color: #1a2332 !important;
    color: #e6ebf2 !important;
    padding: 8px !important;
}

/* Input Group Controls */
.input-group {
    display: flex !important;
    width: 100% !important;
    align-items: center !important;
    position: relative !important;
}

.input-group .form-control {
    flex: 1 1 auto !important;
    width: 1% !important;
}

.input-group-prepend .input-group-text,
.input-group-append .input-group-text,
.input-group-text {
    background-color: var(--bg-card-subtle, #141d2b) !important;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08)) !important;
    color: var(--text-muted, #8a93a3) !important;
    border-radius: var(--radius, 8px) !important;
    padding: 0 0.85rem !important;
    height: 40px !important;
    display: flex !important;
    align-items: center !important;
    font-size: 0.875rem !important;
}

.input-group-prepend + .form-control,
.input-group-prepend + input {
    border-top-left-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
}

.input-group-prepend .input-group-text {
    border-top-right-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
    border-right: none !important;
}

.input-group-append .input-group-text,
.input-group-append .btn {
    border-top-left-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
}

/* =========================================================
   FILTER BAR & SEARCH PANEL SYSTEM
   ========================================================= */
.filter-bar {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: flex-end !important;
    gap: 1rem !important;
    width: 100% !important;
}

.filter-item {
    display: flex !important;
    flex-direction: column !important;
}

.filter-actions {
    display: flex !important;
    align-items: flex-end !important;
    gap: 0.5rem !important;
}

/* =========================================================
   RESPONSIVE TABLE & DATATABLE OVERRIDES
   ========================================================= */
.table-responsive {
    display: block !important;
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    border-radius: 0 0 var(--radius-lg, 8px) var(--radius-lg, 8px) !important;
}

table.table {
    width: 100% !important;
    margin-bottom: 0 !important;
    color: var(--text-main, #e6ebf2) !important;
    border-collapse: collapse !important;
}

table.table th {
    background-color: var(--bg-card-subtle, #141d2b) !important;
    color: var(--text-muted, #8a93a3) !important;
    font-family: var(--font) !important;
    font-size: 0.75rem !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    border-bottom: 1px solid var(--border-color, rgba(255, 255, 255, 0.08)) !important;
    padding: 0.75rem 1rem !important;
    white-space: nowrap !important;
}

table.table td {
    border-bottom: 1px solid var(--border-color, rgba(255, 255, 255, 0.06)) !important;
    padding: 0.75rem 1rem !important;
    vertical-align: middle !important;
    font-size: 0.85rem !important;
}

table.table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.025) !important;
}

table.table td.actions-cell,
table.table td .action-btns {
    white-space: nowrap !important;
}

/* Universal Heading Color Rules (Light & Dark Mode Support) */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    color: var(--text-main) !important;
    font-family: var(--font) !important;
}

/* AI Agent Input Box Styling */
.ai-search-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 16px !important;
    padding: 1.5rem !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
}

.ai-prompt-box {
    position: relative !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    box-shadow: none !important;
}

.ai-prompt-box .ai-spark-icon {
    font-size: 1.25rem;
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    padding-left: 4px;
}

.ai-prompt-input {
    flex: 1 !important;
    background: var(--bg-card-subtle) !important;
    border: 1.5px solid var(--border-color) !important;
    border-radius: 12px !important;
    outline: none !important;
    color: var(--text-main) !important;
    font-size: 0.95rem !important;
    font-weight: 500 !important;
    padding: 10px 14px !important;
    height: 48px !important;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease !important;
}

.ai-prompt-input:hover {
    border-color: var(--accent-primary) !important;
}

.ai-prompt-input:focus {
    border-color: var(--accent-primary) !important;
    background: var(--bg-card) !important;
    box-shadow: 0 0 0 3px var(--accent-glow) !important;
}

.ai-prompt-input::placeholder {
    color: var(--text-muted) !important;
    font-weight: 400 !important;
}

.ai-clear-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    padding: 6px 10px;
    cursor: pointer;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.ai-clear-btn:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.ai-search-submit {
    background: var(--accent-primary) !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: 10px !important;
    padding: 10px 22px !important;
    font-weight: 700 !important;
    font-size: 0.95rem !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    box-shadow: 0 4px 14px var(--accent-glow) !important;
}

.ai-search-submit:hover {
    background: var(--accent-primary-hover) !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px var(--accent-glow) !important;
}

/* DataTables Header & Footer Flex Bar System */
.dataTables_wrapper {
    width: 100% !important;
    padding: 0 !important;
}

.dt-header-row,
.dt-footer-row {
    background-color: var(--bg-card-subtle, #141d2b) !important;
    border-color: var(--border-color, rgba(255, 255, 255, 0.08)) !important;
    width: 100% !important;
}

.dt-header-row .dataTables_length,
.dt-header-row .dataTables_filter {
    padding: 0 !important;
    margin: 0 !important;
    float: none !important;
    display: flex !important;
    align-items: center !important;
}

.dt-header-row .dataTables_length label,
.dt-header-row .dataTables_filter label {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    margin: 0 !important;
    padding: 0 !important;
    color: var(--text-muted, #8a93a3) !important;
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.4px !important;
}

.dt-header-row .dataTables_length select {
    height: 36px !important;
    border-radius: 6px !important;
    background-color: var(--bg-card, #1a2332) !important;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08)) !important;
    color: var(--text-main, #e6ebf2) !important;
    padding: 0.25rem 1.8rem 0.25rem 0.65rem !important;
    margin: 0 0.35rem !important;
    font-size: 0.85rem !important;
}

.dt-header-row .dataTables_filter input {
    height: 36px !important;
    border-radius: 6px !important;
    background-color: var(--bg-card, #1a2332) !important;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08)) !important;
    color: var(--text-main, #e6ebf2) !important;
    padding: 0.35rem 0.75rem !important;
    margin-left: 0.5rem !important;
    font-size: 0.85rem !important;
    width: 220px !important;
}

.dt-footer-row .dataTables_info {
    padding: 0 !important;
    margin: 0 !important;
    float: none !important;
    color: var(--text-muted, #8a93a3) !important;
    font-size: 0.825rem !important;
    font-weight: 500 !important;
}

.dt-footer-row .dataTables_paginate {
    padding: 0 !important;
    margin: 0 !important;
    float: none !important;
}

/* Modern Segmented DataTables Pagination System (Single Border Fix) */
.dataTables_paginate,
.dataTables_wrapper .dataTables_paginate {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    margin: 0 !important;
}

.dataTables_paginate .pagination {
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    gap: 4px !important;
    list-style: none !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button,
.dataTables_wrapper .dataTables_paginate .page-item {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    box-shadow: none !important;
}

.dataTables_wrapper .dataTables_paginate a.page-link,
.dataTables_wrapper .dataTables_paginate a.paginate_button,
.dataTables_wrapper .dataTables_paginate .paginate_button > a {
    background-color: var(--bg-card, #1a2332) !important;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.12)) !important;
    color: var(--text-main, #e6ebf2) !important;
    border-radius: 8px !important;
    padding: 6px 13px !important;
    font-size: 0.825rem !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    text-decoration: none !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.2s ease !important;
    line-height: 1.2 !important;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05) !important;
}

.dataTables_wrapper .dataTables_paginate .page-item:not(.active):not(.disabled) a.page-link:hover,
.dataTables_wrapper .dataTables_paginate a.paginate_button:hover:not(.current):not(.disabled) {
    background-color: var(--bg-card-subtle, #141d2b) !important;
    border-color: var(--accent-primary, #1ABB9C) !important;
    color: var(--accent-primary, #1ABB9C) !important;
    transform: translateY(-1px) !important;
}

.dataTables_wrapper .dataTables_paginate .page-item.active a.page-link,
.dataTables_wrapper .dataTables_paginate a.paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current > a {
    background-color: var(--accent-primary, #1ABB9C) !important;
    border-color: var(--accent-primary, #1ABB9C) !important;
    color: #ffffff !important;
    font-weight: 700 !important;
    box-shadow: 0 3px 10px var(--accent-glow, rgba(26, 187, 156, 0.3)) !important;
}

.dataTables_wrapper .dataTables_paginate .page-item.disabled a.page-link,
.dataTables_wrapper .dataTables_paginate a.paginate_button.disabled {
    opacity: 0.4 !important;
    cursor: not-allowed !important;
    background-color: var(--bg-card-subtle, #141d2b) !important;
    border-color: var(--border-color, rgba(255, 255, 255, 0.05)) !important;
    color: var(--text-muted, #8a93a3) !important;
}

/* Legacy x_panel to Gentelella v4 Card mapping fallback */
.x_panel {
    background: var(--bg-card, #1a2332) !important;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08)) !important;
    border-radius: var(--radius-lg, 8px) !important;
    margin-bottom: 1.25rem !important;
    padding: 1.25rem !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1) !important;
}

.x_title {
    border-bottom: 1px solid var(--border-color, rgba(255, 255, 255, 0.08)) !important;
    padding-bottom: 0.75rem !important;
    margin-bottom: 1rem !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
}

.x_title h2 {
    font-size: 1.05rem !important;
    font-weight: 600 !important;
    color: var(--text-main, #e6ebf2) !important;
    margin: 0 !important;
}