:root {
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    --border-focus: #2563eb;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-sub: #475569;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --success: #16a34a;
    --success-light: #f0fdf4;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --warning: #d97706;
    --warning-light: #fffbeb;
    --radius-sharp: 4px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

                         
body.dark-mode {
    --bg-page: #0b0f19;
    --bg-card: #111827;
    --border-color: #1f2937;
    --border-focus: #3b82f6;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-sub: #cbd5e1;
    --primary-light: rgba(37, 99, 235, 0.15);
    --success-light: rgba(22, 163, 74, 0.15);
    --danger-light: rgba(220, 38, 38, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.reading-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

                                                            
                                              
                                                               
.reading-top-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    height: 60px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.bar-left {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.nav-back-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    background-color: var(--primary-light);
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sharp);
    border: 1px solid var(--border-color);
    transition: all 0.15s ease;
}

.nav-back-pill:hover {
    background-color: var(--border-color);
    color: var(--primary);
}

.brand-divider {
    width: 1px;
    height: 24px;
    background-color: var(--border-color);
}

.test-identity {
    display: flex;
    align-items: center;
}

.exam-tag {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.01em;
}

.exam-tag i {
    color: var(--primary);
}

.bar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.hud-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 12px;
    font-size: 0.88rem;
    font-weight: 700;
    border-radius: var(--radius-sharp);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-main);
}

.timer-pill {
    color: var(--primary);
    border-color: rgba(37, 99, 235, 0.3);
    background-color: var(--primary-light);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
}

.timer-pill.timer-urgent {
    color: var(--danger);
    background-color: var(--danger-light);
    border-color: rgba(220, 38, 38, 0.3);
    animation: urgentBlink 1s infinite alternate;
}

@keyframes urgentBlink {
    from { opacity: 1; }
    to { opacity: 0.7; }
}

.progress-pill {
    color: var(--text-sub);
}

.progress-pill span {
    color: var(--primary);
}

.hud-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sharp);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-sub);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.hud-icon-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background-color: var(--primary-light);
}

                                                            
                                             
                                                               
.reading-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 20px 100px 20px;
    flex: 1;
}

.reading-loading-state,
.reading-empty-state {
    text-align: center;
    padding: 80px 20px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    box-shadow: var(--shadow-sm);
}

.reading-loading-state i,
.reading-empty-state i {
    font-size: 2.8rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.reading-loading-state p,
.reading-empty-state p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-top: 8px;
}

.btn-return-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 9px 18px;
    background-color: var(--primary);
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-sharp);
}

                                                            
                                          
                                                               
.mock-part-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    box-shadow: var(--shadow-sm);
    margin-bottom: 32px;
    overflow: hidden;
}

.part-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(37, 99, 235, 0.02);
}

.header-tags {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.badge-part {
    background-color: var(--primary);
    color: #ffffff;
    font-size: 0.76rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 3px 8px;
    border-radius: var(--radius-sharp);
}

.badge-range {
    background-color: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(37, 99, 235, 0.25);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--radius-sharp);
}

.badge-type {
    background-color: var(--bg-page);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-sharp);
}

.part-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.35;
    margin-bottom: 10px;
}

.instruction-box {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 14px;
    background-color: var(--primary-light);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-sharp);
    font-size: 0.86rem;
    color: var(--text-sub);
    line-height: 1.5;
}

.instruction-box i {
    color: var(--primary);
    font-size: 1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

                              
.part-body-full {
    padding: 28px;
    background-color: var(--bg-card);
}

.part-body-full .passage-content {
    font-size: 1.05rem;
    line-height: 2.2;
    color: var(--text-main);
    max-width: 100%;
}

                                                           
.gap-slot {
    display: inline-flex;
    align-items: center;
    vertical-align: baseline;
    gap: 4px;
    margin: 0 4px;
    padding: 2px 6px;
    background-color: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-sharp);
    transition: all 0.15s ease;
    box-shadow: var(--shadow-sm);
}

body.dark-mode .gap-slot {
    background-color: #1e293b;
    border-color: #475569;
}

.gap-slot:hover {
    border-color: #94a3b8;
}

.gap-slot:focus-within {
    border-color: var(--border-focus);
    background-color: #ffffff;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

body.dark-mode .gap-slot:focus-within {
    background-color: #0f172a;
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

.gap-slot.filled {
    border-color: #93c5fd;
    background-color: #eff6ff;
}

body.dark-mode .gap-slot.filled {
    background-color: rgba(37, 99, 235, 0.15);
    border-color: #3b82f6;
}

.gap-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 20px;
    padding: 0 4px;
    background-color: #0f172a;
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 800;
    border-radius: 2px;
    flex-shrink: 0;
    user-select: none;
}

body.dark-mode .gap-number {
    background-color: #334155;
    color: #f8fafc;
}

.gap-field {
    width: 115px;
    background: transparent;
    border: none;
    outline: none;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
    padding: 2px 4px;
}

.gap-field::placeholder {
    color: #94a3b8;
    font-weight: 400;
}

                                          
.part-body-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

@media (max-width: 960px) {
    .part-body-split {
        grid-template-columns: 1fr;
    }
}

.passage-box {
    padding: 24px;
    border-right: 1px solid var(--border-color);
    background-color: var(--bg-card);
}

@media (max-width: 960px) {
    .passage-box {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}

.passage-content {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-main);
    white-space: pre-line;
}

.passage-content p {
    margin-bottom: 14px;
}

                               
.gap-slot-highlight {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 24px;
    padding: 0 6px;
    background-color: var(--primary-light);
    border: 1px solid var(--primary);
    border-radius: var(--radius-sharp);
    color: var(--primary);
    font-weight: 800;
    font-size: 0.82rem;
    margin: 0 4px;
    vertical-align: middle;
}

.questions-box {
    padding: 24px;
    background-color: rgba(248, 250, 252, 0.4);
}

body.dark-mode .questions-box {
    background-color: rgba(17, 24, 39, 0.4);
}

.questions-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

                                     
.part-body-vertical {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

                                                            
                                             
                                                               
.q-block {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    padding: 16px;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.15s ease;
}

.q-block:hover {
    border-color: rgba(37, 99, 235, 0.3);
}

.q-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.q-num-badge {
    background-color: #f1f5f9;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    font-size: 0.82rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: var(--radius-sharp);
}

body.dark-mode .q-num-badge {
    background-color: #1e293b;
    color: #f8fafc;
}

.q-block.answered .q-num-badge {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.q-text {
    font-size: 0.94rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.5;
    margin-bottom: 12px;
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

@media (max-width: 600px) {
    .options-grid {
        grid-template-columns: 1fr;
    }
}

.option-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-main);
    transition: all 0.15s ease;
    text-align: left;
    user-select: none;
}

.option-btn:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.option-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: var(--radius-sharp);
    background-color: #f1f5f9;
    color: var(--text-sub);
    font-weight: 800;
    font-size: 0.78rem;
    flex-shrink: 0;
}

body.dark-mode .option-letter {
    background-color: #1e293b;
    color: #cbd5e1;
}

.option-btn.selected {
    background-color: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 700;
}

.option-btn.selected .option-letter {
    background-color: var(--primary);
    color: #ffffff;
}

                                  
.texts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.text-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    padding: 16px;
}

.text-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.text-card-content {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-sub);
}

.matching-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.match-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.match-statement {
    font-size: 0.92rem;
    color: var(--text-main);
    font-weight: 600;
    flex: 1;
    min-width: 240px;
}

.match-letters-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.letter-btn {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sharp);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-main);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.letter-btn:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
    color: var(--primary);
}

.letter-btn.selected {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

                          
.headings-bank {
    background-color: var(--primary-light);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--radius-sharp);
    padding: 16px;
}

.headings-bank h4 {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.headings-bank-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 8px;
}

.heading-item {
    font-size: 0.85rem;
    color: var(--text-main);
    background-color: var(--bg-card);
    padding: 8px 12px;
    border-radius: var(--radius-sharp);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.heading-roman {
    font-weight: 800;
    color: var(--primary);
    min-width: 24px;
}

.paragraphs-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.paragraph-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    padding: 18px;
}

.paragraph-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.para-select {
    padding: 6px 12px;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: var(--radius-sharp);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-main);
    outline: none;
    cursor: pointer;
}

.para-select:focus {
    border-color: var(--primary);
}

                                           
.p5-gap-input {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    outline: none;
    transition: all 0.15s ease;
}

.p5-gap-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.p5-gap-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 0.85rem;
}

                                                            
                                     
                                                               
.reading-actions {
    position: sticky;
    bottom: 20px;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
    padding: 14px 20px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    box-shadow: var(--shadow-lg);
    margin-top: 20px;
}

.btn-reset {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    background-color: var(--bg-card);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-reset:hover {
    color: var(--danger);
    border-color: var(--danger);
    background-color: var(--danger-light);
}

.btn-send {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 28px;
    background-color: var(--primary);
    color: #ffffff;
    border: 1px solid var(--primary);
    border-radius: var(--radius-sharp);
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.15s ease;
}

.btn-send:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

                                                            
                                            
                                                               
.result-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background-color: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.result-modal-dialog {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 860px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.97); }
    to { opacity: 1; transform: scale(1); }
}

.result-modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.result-header-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.result-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-modal-header h2 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
    margin: 0;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    padding: 4px 8px;
    border-radius: var(--radius-sharp);
}

.modal-close-btn:hover {
    color: var(--text-main);
}

.result-modal-body {
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

                  
.result-score-banner {
    background: linear-gradient(135deg, var(--primary-light), var(--bg-card));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 24px;
}

@media (max-width: 640px) {
    .result-score-banner {
        flex-direction: column;
        text-align: center;
    }
}

.score-circle {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background-color: var(--bg-card);
    border: 4px solid var(--primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.score-num {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.score-denom {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
}

.score-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.score-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.score-pct {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-main);
}

.cefr-pill {
    padding: 4px 12px;
    background-color: var(--primary);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.88rem;
    border-radius: var(--radius-sharp);
}

.score-details h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 4px;
}

.score-details p {
    font-size: 0.86rem;
    color: var(--text-muted);
}

                            
.parts-breakdown-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

@media (max-width: 800px) {
    .parts-breakdown-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.part-mini-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    padding: 14px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: center;
}

.p-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
}

.p-score {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-main);
}

.p-bar {
    width: 100%;
    height: 6px;
    background-color: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.p-fill {
    height: 100%;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.p-pct {
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--text-muted);
}

                 
.review-section {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.review-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.review-header h3 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-main);
}

.review-subtitle {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.review-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.review-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.review-item.correct {
    border-left: 4px solid var(--success);
}

.review-item.incorrect {
    border-left: 4px solid var(--danger);
}

.review-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.rev-q-num {
    font-weight: 800;
    font-size: 0.86rem;
    color: var(--text-main);
}

.rev-status-tag {
    font-size: 0.76rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: var(--radius-sharp);
}

.rev-status-tag.correct {
    background-color: var(--success-light);
    color: var(--success);
}

.rev-status-tag.incorrect {
    background-color: var(--danger-light);
    color: var(--danger);
}

.rev-answers-row {
    font-size: 0.88rem;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.user-ans {
    color: var(--text-sub);
}

.user-ans strong {
    color: var(--text-main);
}

.correct-ans {
    color: var(--success);
    font-weight: 700;
}

.rev-expl {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-style: italic;
    background-color: var(--bg-page);
    padding: 6px 10px;
    border-radius: var(--radius-sharp);
}

                  
.result-modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

.btn-modal {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    font-size: 0.88rem;
    font-weight: 700;
    border-radius: var(--radius-sharp);
    cursor: pointer;
    text-decoration: none;
    border: 1px solid transparent;
}

.btn-modal-retry {
    background-color: var(--bg-card);
    color: var(--text-main);
    border-color: var(--border-color);
}

.btn-modal-retry:hover {
    background-color: var(--border-color);
}

.btn-modal-exit {
    background-color: var(--primary);
    color: #ffffff;
}

.btn-modal-exit:hover {
    background-color: var(--primary-hover);
}

                         
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast-item {
    background-color: #0f172a;
    color: #ffffff;
    padding: 10px 18px;
    border-radius: var(--radius-sharp);
    font-size: 0.88rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
    animation: toastIn 0.2s ease-out;
}

body.dark-mode .toast-item {
    background-color: #1e293b;
    border: 1px solid var(--border-color);
}

.toast-item.info {
    border-left: 4px solid var(--primary);
}

.toast-item.danger {
    border-left: 4px solid var(--danger);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}