/* Modern Visual Design Theme & Typography */
:root {
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --card-bg: rgba(30, 41, 59, 0.7);
    --sidebar-bg: rgba(15, 23, 42, 0.95);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --input-bg: rgba(30, 41, 59, 0.8);
    --input-focus-bg: rgba(30, 41, 59, 1);
    --input-text: #fff;
    --bg-dark-color: #0f172a;
    --bg-canvas-color: #090d16;
    --header-text: #fff;
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
    
    --panel-width: 420px;
    --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    
    /* Document Print styling defaults */
    --print-font-size: 13pt;
    --print-line-height: 1.7;
    --print-margin: 20mm;
    --print-page-width: 210mm;  /* Default A4 width */
    --print-page-height: 297mm; /* Default A4 height */
}

/* Light Theme Variables */
body.light-theme {
    --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --card-bg: rgba(255, 255, 255, 0.7);
    --sidebar-bg: rgba(255, 255, 255, 0.95);
    --border-color: rgba(0, 0, 0, 0.08);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --input-bg: rgba(255, 255, 255, 0.8);
    --input-focus-bg: rgba(255, 255, 255, 1);
    --input-text: #000;
    --bg-dark-color: #f1f5f9;
    --bg-canvas-color: #cbd5e1;
    --header-text: #0f172a;
}

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

body {
    font-family: 'Poppins', 'Noto Sans Devanagari', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* App Container Layout */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

.sidebar {
    width: var(--panel-width);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    z-index: 10;
    box-shadow: 10px 0 30px rgba(0,0,0,0.25);
    flex-shrink: 0;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.brand {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.brand-icon {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.brand h1 {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--header-text);
    transition: color 0.3s ease;
}

.brand span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Global Actions bar */
.global-actions {
    padding: 12px 20px;
    display: flex;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
    background: var(--card-bg);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Tab Navigation */
.tabs-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.tab-btn {
    background: none;
    border: none;
    padding: 12px 4px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    text-align: center;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
    font-family: inherit;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

/* Form Container Styles */
.form-container {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-content h2 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--header-text);
    border-left: 3px solid var(--primary);
    padding-left: 10px;
    transition: color 0.3s ease;
}

/* Form inputs & labels */
.form-group {
    margin-bottom: 18px;
}

.form-row {
    display: flex;
    gap: 12px;
}

.col-6 {
    flex: 1;
}

label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

input[type="text"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--input-text);
    padding: 10px 12px;
    font-size: 0.9rem;
    font-family: inherit;
    transition: all 0.2s ease, background-color 0.3s ease, color 0.3s ease;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--input-focus-bg);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

textarea {
    resize: vertical;
}

.help-text {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Toggle Switch Widget */
.toggle-switch {
    display: flex;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px;
    gap: 4px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.toggle-switch input[type="radio"] {
    display: none;
}

.toggle-switch label {
    flex: 1;
    text-align: center;
    padding: 8px;
    margin: 0;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.toggle-switch input[type="radio"]:checked + label {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
}

.form-divider {
    border: none;
    border-top: 1px dashed var(--border-color);
    margin: 24px 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    font-family: inherit;
    transition: all 0.2s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.btn-sm {
    padding: 10px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 6px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: var(--danger-hover);
    color: #fff;
}

.icon-sm {
    width: 14px;
    height: 14px;
}

.icon-md {
    width: 18px;
    height: 18px;
}

/* Backup section */
.backup-section {
    padding: 16px 24px;
    background: var(--sidebar-bg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    gap: 10px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.backup-section button {
    flex: 1;
}

/* Preview Area Panel */
.preview-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-dark-color);
    height: 100%;
    transition: background-color 0.3s ease;
}

.preview-toolbar {
    background: var(--sidebar-bg);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    flex-wrap: wrap;
    z-index: 5;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toolbar-group label {
    margin: 0;
    white-space: nowrap;
    font-size: 0.85rem;
}

.toolbar-group select {
    background: var(--input-bg);
    color: var(--input-text);
    padding: 8px 12px;
    width: auto;
    font-size: 0.85rem;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.layout-sliders {
    display: flex;
    gap: 15px;
}

.slider-item {
    display: flex;
    flex-direction: column;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.slider-item b {
    color: var(--header-text);
    transition: color 0.3s ease;
}

.slider-item input[type="range"] {
    width: 100px;
    accent-color: var(--primary);
    cursor: pointer;
    margin-top: 2px;
}

/* Print container (Visual canvas sheet) */
.print-container {
    flex: 1;
    overflow-y: auto;
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    background: var(--bg-canvas-color);
    transition: background-color 0.3s ease;
}

/* Paper Sheet visualization */
.print-page {
    background: #fff;
    color: #000;
    padding: var(--print-margin);
    width: var(--print-page-width);
    min-height: var(--print-page-height);
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    position: relative;
    font-family: 'Tiro Devanagari Hindi', 'Noto Sans Devanagari', serif;
    font-size: var(--print-font-size);
    line-height: var(--print-line-height);
    text-align: justify;
    page-break-after: always;
}

/* Custom Scrollbar for form & canvas */
.form-container::-webkit-scrollbar,
.print-container::-webkit-scrollbar {
    width: 8px;
}
.form-container::-webkit-scrollbar-track,
.print-container::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.4);
}
.form-container::-webkit-scrollbar-thumb,
.print-container::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
.form-container::-webkit-scrollbar-thumb:hover,
.print-container::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Document content selectors depending on Paper Sizes variables */
.print-container.A4 {
    --print-page-width: 210mm;
    --print-page-height: 297mm;
}

.print-container.legal {
    --print-page-width: 216mm;
    --print-page-height: 356mm;
}

.print-container.letter {
    --print-page-width: 216mm;
    --print-page-height: 279mm;
}

/* Dynamic Page Filter Selection */
.print-container.filter-groom_affidavit .print-page:not(#page-groom_affidavit),
.print-container.filter-bride_affidavit .print-page:not(#page-bride_affidavit),
.print-container.filter-wit_bride_affidavit .print-page:not(#page-wit_bride_affidavit),
.print-container.filter-wit_groom_affidavit .print-page:not(#page-wit_groom_affidavit),
.print-container.filter-sankalp_patra .print-page:not(#page-sankalp_patra),
.print-container.filter-father_groom_affidavit .print-page:not(#page-father_groom_affidavit),
.print-container.filter-father_bride_affidavit .print-page:not(#page-father_bride_affidavit),
.print-container.filter-pandit_affidavit .print-page:not(#page-pandit_affidavit) {
    display: none !important;
}

/* Document Hindi Typography & Styling */
.doc-title {
    text-align: center;
    font-size: 1.3em;
    font-weight: 800;
    margin-bottom: 30px;
    text-decoration: underline;
    text-underline-offset: 6px;
    font-family: inherit;
}

.body-text {
    margin-bottom: 12px;
    text-indent: 0;
    font-size: 1em;
}

.indent-first {
    text-indent: 50px;
}

.rule-list {
    list-style-type: none;
    padding-left: 0;
    margin-top: 15px;
}

.rule-list > li {
    margin-bottom: 15px;
    position: relative;
    padding-left: 30px;
}

.rule-list > li::before {
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Bullet markers manually */
.rule-list > li:nth-child(1)::before { content: "1."; }
.rule-list > li:nth-child(2)::before { content: "2."; }
.rule-list > li:nth-child(3)::before { content: "3."; }
.rule-list > li:nth-child(4)::before { content: "4."; }
.rule-list > li:nth-child(5)::before { content: "5."; }

/* Corner labels on father/pandit affidavits */
.corner-label {
    position: absolute;
    top: var(--print-margin);
    right: var(--print-margin);
    font-size: 0.9em;
    font-weight: 700;
    text-align: right;
}

/* Highlight dynamic data vs placeholders */
.field-preview {
    font-weight: 700;
    color: #1e3a8a; /* Soft print-safe dark blue */
    border-bottom: 1.5px dotted #94a3b8;
    padding: 0 4px;
    transition: all 0.2s ease;
    word-break: break-word;
    font-style: normal;
}

.field-preview.empty {
    color: #94a3b8;
    font-weight: normal;
    border-bottom-style: dashed;
}

.option-note {
    font-size: 0.9em;
    margin: 15px 0;
    text-align: center;
    font-style: italic;
    color: #4b5563;
}

.option-block {
    margin: 10px 0 10px 20px;
    padding: 8px 12px;
    border-radius: 4px;
    background: #f8fafc;
    border-left: 3px solid #cbd5e1;
    font-size: 0.95em;
    line-height: 1.5;
    transition: all 0.25s ease;
}

/* Hide unselected jurisdiction option */
.option-block.hidden {
    display: none !important;
}

.sign-block {
    margin-top: 40px;
    margin-bottom: 20px;
}

.align-right {
    text-align: right;
}

.margin-top-md { margin-top: 15px; }
.margin-top-lg { margin-top: 30px; }
.margin-top-xl { margin-top: 50px; }
.margin-top-xxl { margin-top: 70px; }

.verification-box {
    border-top: 1.5px dashed #4b5563;
    padding-top: 20px;
    margin-top: auto; /* Push satyapan to bottom if space permits */
}

.box-title {
    text-align: center;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: underline;
    margin-bottom: 15px;
}

.sign-row {
    display: flex;
    justify-content: space-between;
    margin-top: 25px;
    align-items: flex-end;
}

/* Responsive sidebar toggle for tablet/mobile */
@media (max-width: 1024px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: 50vh;
    }
    .preview-area {
        height: 50vh;
    }
    .print-container {
        padding: 20px;
    }
}

/* Printing styles */
@media print {
    body, html {
        background: #fff !important;
        color: #000 !important;
        width: 100% !important;
        height: auto !important;
    }
    
    .no-print {
        display: none !important;
    }

    .app-container, .preview-area {
        display: block !important;
        height: auto !important;
        width: auto !important;
        margin: 0 !important;
        padding: 0 !important;
        background: none !important;
        overflow: visible !important;
        box-shadow: none !important;
        border: none !important;
    }

    .print-container {
        background: none !important;
        padding: 0 !important;
        overflow: visible !important;
        display: block !important;
        height: auto !important;
        width: auto !important;
    }

    .print-page {
        box-shadow: none !important;
        margin: 0 !important;
        padding: 0 !important; /* Rely entirely on browser margin settings dynamically configured in @page */
        width: 100% !important;
        height: auto !important;
        min-height: 0 !important;
        page-break-inside: avoid !important;
        page-break-after: always !important;
        display: flex !important;
        flex-direction: column !important;
        background: #fff !important;
    }

    .print-page:last-of-type {
        page-break-after: avoid !important;
    }

    /* Print only selected if filter class is applied */
    .print-container.filter-groom_affidavit .print-page:not(#page-groom_affidavit),
    .print-container.filter-bride_affidavit .print-page:not(#page-bride_affidavit),
    .print-container.filter-wit_bride_affidavit .print-page:not(#page-wit_bride_affidavit),
    .print-container.filter-wit_groom_affidavit .print-page:not(#page-wit_groom_affidavit),
    .print-container.filter-sankalp_patra .print-page:not(#page-sankalp_patra),
    .print-container.filter-father_groom_affidavit .print-page:not(#page-father_groom_affidavit),
    .print-container.filter-father_bride_affidavit .print-page:not(#page-father_bride_affidavit),
    .print-container.filter-pandit_affidavit .print-page:not(#page-pandit_affidavit) {
        display: none !important;
    }

    /* Hide placeholder dot styling on printed versions */
    .field-preview.empty {
        color: transparent !important;
        border-bottom-color: #000 !important;
    }
}