/* ==========================================================================
   AOWSM EXAM & TEACHER TOOLS - ISOLATED STYLESHEET
   Scoped specifically to exam generator, worksheet and revision tools.
   Will NOT affect or override global styles on existing pages.
   ========================================================================== */

/* Tools App Wrapper */
.tool-app-wrapper {
    background-color: #F8FAFC;
    min-height: calc(100vh - 80px);
    padding: 30px 0 60px 0;
}

/* Studio Header / Breadcrumb */
.tool-header-card {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    padding: 24px 28px;
    margin-bottom: 24px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.tool-header-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(37, 99, 235, 0.08);
    color: #2563EB;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 10px;
}

/* Two-Column Studio Layout */
.tool-grid-layout {
    display: grid;
    grid-template-columns: 460px 1fr;
    gap: 28px;
    align-items: flex-start;
}

@media (max-width: 1024px) {
    .tool-grid-layout {
        grid-template-columns: 1fr;
    }
}

/* Left Configuration Panel */
.tool-config-panel {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    position: sticky;
    top: 90px;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.tool-step-card {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 10px;
    padding: 16px 18px;
    margin-bottom: 18px;
}

.tool-step-title {
    font-size: 1rem;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tool-step-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #2563EB;
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Form Controls */
.tool-form-group {
    margin-bottom: 12px;
}

.tool-form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: #475569;
    margin-bottom: 5px;
}

.tool-input,
.tool-select,
.tool-textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid #CBD5E1;
    border-radius: 6px;
    font-size: 0.9rem;
    color: #0F172A;
    background: #FFFFFF;
    font-family: inherit;
    transition: border-color 0.2s;
}

.tool-input:focus,
.tool-select:focus,
.tool-textarea:focus {
    outline: none;
    border-color: #2563EB;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Blueprint Pattern Table */
.blueprint-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-top: 10px;
}

.blueprint-table th {
    background: #0A2A66;
    color: #FFFFFF;
    padding: 10px 8px;
    font-weight: 600;
    text-align: center;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.blueprint-table th:first-child {
    text-align: left;
    border-top-left-radius: 6px;
}

.blueprint-table th:last-child {
    border-top-right-radius: 6px;
}

.blueprint-table td {
    padding: 10px 8px;
    border-bottom: 1px solid #E2E8F0;
    vertical-align: middle;
}

.blueprint-table td input[type="number"],
.blueprint-table td select {
    width: 100%;
    padding: 6px 4px;
    font-size: 0.85rem;
    text-align: center;
    border: 1px solid #CBD5E1;
    border-radius: 4px;
}

.blueprint-total-bar {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    color: #FFFFFF;
    padding: 12px 16px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 14px;
    font-size: 0.9rem;
}

.blueprint-total-marks {
    font-size: 1.25rem;
    font-weight: 800;
    color: #38BDF8;
}

/* Preset Buttons */
.preset-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

.preset-btn {
    background: #FFFFFF;
    border: 1px solid #CBD5E1;
    color: #334155;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.preset-btn:hover,
.preset-btn.active {
    background: #2563EB;
    border-color: #2563EB;
    color: #FFFFFF;
}

/* Chapter Checklist */
.chapter-checklist {
    max-height: 160px;
    overflow-y: auto;
    border: 1px solid #CBD5E1;
    border-radius: 6px;
    padding: 8px 12px;
    background: #FFFFFF;
}

.chapter-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #334155;
    padding: 4px 0;
    border-bottom: 1px dashed #F1F5F9;
}

.chapter-item:last-child {
    border-bottom: none;
}

/* Chapter Upload Tabs & Dropzone */
.chapter-mode-tabs {
    display: flex;
    background: #E2E8F0;
    padding: 3px;
    border-radius: 8px;
    gap: 4px;
    margin-bottom: 12px;
}

.chapter-tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 10px;
    border: none;
    background: transparent;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #475569;
    cursor: pointer;
    transition: all 0.2s;
}

.chapter-tab-btn.active {
    background: #FFFFFF;
    color: #2563EB;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.upload-dropzone {
    border: 2px dashed #93C5FD;
    background: #F0F7FF;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 10px;
}

.upload-dropzone:hover {
    border-color: #2563EB;
    background: #E0EFFF;
}

.upload-dropzone i {
    font-size: 1.5rem;
    color: #2563EB;
    margin-bottom: 6px;
}

.upload-dropzone p {
    font-size: 0.8rem;
    color: #475569;
    margin: 0;
}

.upload-sample-btn {
    background: #F1F5F9;
    border: 1px solid #CBD5E1;
    color: #334155;
    font-size: 0.74rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s;
}

.upload-sample-btn:hover {
    background: #E2E8F0;
    color: #0F172A;
}

.custom-chapter-badge {
    background: #DCFCE7;
    color: #166534;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 6px;
}

/* Right Output / Paper Sheet Panel */
.tool-preview-panel {
    background: transparent;
}

/* Top Toolbar for Paper */
.paper-action-toolbar {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.paper-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.paper-btn-print {
    background: #2563EB;
    color: #FFFFFF;
}

.paper-btn-print:hover {
    background: #1D4ED8;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.paper-btn-key {
    background: #0D9488;
    color: #FFFFFF;
}

.paper-btn-key:hover {
    background: #0F766E;
}

.paper-btn-edit {
    background: #F1F5F9;
    color: #334155;
    border: 1px solid #CBD5E1;
}

.paper-btn-edit:hover {
    background: #E2E8F0;
}

/* Realistic A4 Examination Paper Sheet */
.exam-paper-sheet {
    background: #FFFFFF;
    border: 1px solid #D1D5DB;
    border-radius: 8px;
    padding: 48px 48px;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.08);
    font-family: 'Times New Roman', Times, serif;
    color: #000000;
    min-height: 900px;
    position: relative;
    line-height: 1.5;
}

/* School Header Block on Paper */
.paper-school-header {
    text-align: center;
    border-bottom: 2px solid #000000;
    padding-bottom: 14px;
    margin-bottom: 18px;
}

.paper-school-logo {
    max-height: 55px;
    max-width: 120px;
    object-fit: contain;
    margin-bottom: 6px;
}

.paper-school-name {
    font-size: 1.45rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0 0 4px 0;
}

.paper-exam-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 8px 0;
    text-transform: uppercase;
}

.paper-meta-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    font-weight: 700;
    margin-top: 6px;
}

.paper-instructions-box {
    border: 1px solid #000000;
    border-radius: 4px;
    padding: 8px 14px;
    margin-bottom: 20px;
    font-size: 0.85rem;
    background: #FAFAFA;
}

.paper-instructions-box strong {
    display: block;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.paper-instructions-box ol {
    margin: 0 0 0 16px;
    padding: 0;
}

/* Sections on Paper */
.paper-section-heading {
    text-align: center;
    font-size: 1.05rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-top: 1px solid #000000;
    border-bottom: 1px solid #000000;
    padding: 4px 0;
    margin: 22px 0 14px 0;
    background: #F3F4F6;
}

.paper-question-block {
    margin-bottom: 14px;
    position: relative;
    padding-right: 50px;
}

.paper-q-text {
    font-size: 0.95rem;
}

.paper-q-marks {
    position: absolute;
    right: 0;
    top: 0;
    font-weight: 700;
    font-size: 0.95rem;
}

.paper-mcq-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 20px;
    margin: 6px 0 8px 24px;
    font-size: 0.92rem;
}

@media (max-width: 640px) {
    .paper-mcq-options {
        grid-template-columns: 1fr;
    }
}

/* Question Action Icons (Visible on screen, hidden on print) */
.paper-q-controls {
    position: absolute;
    right: -40px;
    top: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    opacity: 0.2;
    transition: opacity 0.2s;
}

.paper-question-block:hover .paper-q-controls {
    opacity: 1;
}

.paper-control-btn {
    background: #FFFFFF;
    border: 1px solid #CBD5E1;
    border-radius: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    cursor: pointer;
    color: #475569;
}

.paper-control-btn:hover {
    color: #2563EB;
    border-color: #2563EB;
}

.paper-control-btn.del:hover {
    color: #EF4444;
    border-color: #EF4444;
}

/* Editable text highlight */
[contenteditable="true"] {
    outline: none;
    border-radius: 2px;
}

[contenteditable="true"]:hover {
    background: rgba(37, 99, 235, 0.05);
}

[contenteditable="true"]:focus {
    background: rgba(37, 99, 235, 0.1);
    box-shadow: 0 0 0 2px #2563EB;
}

/* Answer Key / Marking Scheme View */
.answer-key-sheet {
    background: #FFFBEB;
    border: 1px solid #FCD34D;
    border-radius: 8px;
    padding: 30px;
    margin-top: 30px;
    font-family: inherit;
    font-size: 0.92rem;
    color: #78350F;
}

.answer-key-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #92400E;
    border-bottom: 2px solid #FCD34D;
    padding-bottom: 8px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Worksheet Specific Layouts */
.worksheet-student-header {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    border: 1px solid #000000;
    padding: 8px 12px;
    margin-bottom: 20px;
    font-size: 0.88rem;
    font-weight: 600;
}

.match-two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 10px 0 16px 20px;
    font-size: 0.92rem;
}

.writing-lines-box {
    margin-top: 8px;
    border-bottom: 1px dashed #9CA3AF;
    height: 24px;
    width: 100%;
}

/* ==========================================================================
   PRINT MEDIA RULES (For window.print() and PDF generation)
   Clean, professional examination paper with zero website artifacts.
   ========================================================================== */
@media print {
    /* Hide everything outside the paper sheet */
    header,
    footer,
    .tool-header-card,
    .tool-config-panel,
    .paper-action-toolbar,
    .whatsapp-float,
    .back-to-top,
    .paper-q-controls,
    .no-print {
        display: none !important;
    }

    body,
    .tool-app-wrapper {
        background: #FFFFFF !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .tool-grid-layout {
        display: block !important;
    }

    .exam-paper-sheet {
        border: none !important;
        box-shadow: none !important;
        padding: 10mm 15mm !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
    }

    /* Page break handling */
    .paper-section-heading {
        page-break-after: avoid;
    }

    .paper-question-block {
        page-break-inside: avoid;
        padding-right: 0 !important;
    }

    .answer-key-sheet {
        page-break-before: always;
        background: #FFFFFF !important;
        border: none !important;
        color: #000000 !important;
    }
}