/* =================================================================
   TEST SESSION MODULE STYLES
   Bob and Mariel Ward School of Filipino Languages
   ================================================================= */

/* Main Container */
.module-test-session {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.module-test-session h1 {
    text-align: center;
    margin-bottom: 24px;
    color: var(--text-color);
}

.module-test-session h1 i {
    margin-right: 12px;
    color: var(--primary-color);
}

/* =================================================================
   TEST SELECTION VIEW
   ================================================================= */

.test-intro {
    text-align: center;
    margin-bottom: 24px;
    color: var(--text-muted);
}

.test-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.loading-tests {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.loading-tests i {
    margin-right: 8px;
}

/* Test Cards */
.test-card {
    background: var(--surface-color);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.test-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.test-card.test-locked {
    opacity: 0.7;
    border-color: var(--text-muted);
}

.test-card.test-passed {
    border-color: var(--success-color);
}

.test-card.test-attempted {
    border-color: var(--warning-color);
}

.test-card.test-available {
    border-color: var(--primary-color);
}

.test-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--surface-hover);
    border-bottom: 1px solid var(--border-color);
}

.test-type-badge {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.test-type-badge i {
    margin-right: 4px;
}

.test-status {
    font-size: 12px;
    font-weight: 500;
}

.test-locked .test-status {
    color: var(--text-muted);
}

.test-passed .test-status {
    color: var(--success-color);
}

.test-attempted .test-status {
    color: var(--warning-color);
}

.test-available .test-status {
    color: var(--primary-color);
}

.test-card-body {
    padding: 16px;
}

.test-name {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 12px 0;
    color: var(--text-color);
}

.test-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.test-meta span i {
    margin-right: 4px;
}

.unlock-info {
    font-size: 12px;
    color: var(--success-color);
    padding: 8px 12px;
    background: rgba(var(--success-rgb), 0.1);
    border-radius: 6px;
    margin-top: 8px;
}

.unlock-info i {
    margin-right: 6px;
}

.test-card-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    background: var(--surface-color);
}

.test-card-footer .btn {
    width: 100%;
    justify-content: center;
}

.test-card-footer .btn-disabled {
    background: var(--surface-hover);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* =================================================================
   TEST TAKING VIEW
   ================================================================= */

.test-taking-view {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Timer Bar */
.test-timer-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    padding: 16px 24px;
    background: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.timer-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.timer-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.timer-value {
    font-size: 24px;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    color: var(--text-color);
}

.timer-value.timer-warning {
    color: var(--warning-color);
}

.timer-value.timer-critical {
    color: var(--error-color);
    animation: pulse 0.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.progress-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.progress-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
}

.progress-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

/* Module Display */
.current-module-display {
    text-align: center;
}

.module-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
}

/* Test Content Area */
.test-content-area {
    min-height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 24px;
}

/* Audio Match Test */
.test-audio-match {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    width: 100%;
}

.audio-prompt {
    margin-bottom: 16px;
}

.audio-play-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 40px;
    font-size: 18px;
    font-weight: 600;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.audio-play-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.audio-play-btn i {
    font-size: 24px;
}

.picture-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 600px;
}

.picture-option {
    aspect-ratio: 1;
    border-radius: 12px;
    overflow: hidden;
    border: 3px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s;
}

.picture-option:hover {
    border-color: var(--primary-color);
    transform: scale(1.02);
}

.picture-option img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.picture-option.correct {
    border-color: var(--success-color);
    box-shadow: 0 0 20px rgba(var(--success-rgb), 0.4);
}

.picture-option.incorrect {
    border-color: var(--error-color);
    box-shadow: 0 0 20px rgba(var(--error-rgb), 0.4);
}

/* Picture Match Test */
.test-picture-match {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    width: 100%;
}

.picture-prompt {
    text-align: center;
}

.prompt-image {
    max-width: 300px;
    max-height: 300px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.word-options {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    max-width: 600px;
}

.word-option {
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    background: var(--surface-hover);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.word-option:hover:not(:disabled) {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
}

.word-option.correct {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.word-option.incorrect {
    background: var(--error-color);
    border-color: var(--error-color);
    color: white;
}

/* Quiz Test */
.test-quiz {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    width: 100%;
    max-width: 500px;
}

.quiz-input-section {
    display: flex;
    gap: 12px;
    width: 100%;
}

.quiz-input {
    flex: 1;
    padding: 16px;
    font-size: 18px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s;
}

.quiz-input:focus {
    border-color: var(--primary-color);
}

.quiz-input.correct {
    border-color: var(--success-color);
    background: rgba(var(--success-rgb), 0.1);
}

.quiz-input.incorrect {
    border-color: var(--error-color);
    background: rgba(var(--error-rgb), 0.1);
}

.correct-answer {
    padding: 12px 16px;
    background: var(--surface-hover);
    border-radius: 8px;
    color: var(--text-color);
}

.correct-answer strong {
    color: var(--success-color);
}

/* Test Feedback */
.test-feedback {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
}

.test-feedback.correct {
    background: rgba(var(--success-rgb), 0.1);
    color: var(--success-color);
}

.test-feedback.incorrect {
    background: rgba(var(--error-rgb), 0.1);
    color: var(--error-color);
}

.test-feedback .feedback-icon i {
    font-size: 32px;
}

.test-feedback .feedback-text {
    font-size: 16px;
    font-weight: 600;
}

/* =================================================================
   TEST RESULTS VIEW
   ================================================================= */

.test-results-view {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.results-header {
    text-align: center;
}

.results-header h2 {
    font-size: 28px;
    margin-bottom: 24px;
    color: var(--text-color);
}

.results-summary {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    padding: 24px;
    background: var(--surface-color);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-hover);
    border: 4px solid var(--border-color);
}

.score-circle.score-outstanding {
    border-color: var(--success-color);
    background: rgba(var(--success-rgb), 0.1);
}

.score-circle.score-pass {
    border-color: #4caf50;
    background: rgba(76, 175, 80, 0.1);
}

.score-circle.score-improving {
    border-color: var(--warning-color);
    background: rgba(var(--warning-rgb), 0.1);
}

.score-circle.score-fail {
    border-color: var(--error-color);
    background: rgba(var(--error-rgb), 0.1);
}

.score-percentage {
    font-size: 32px;
    font-weight: 700;
}

.score-outstanding .score-percentage { color: var(--success-color); }
.score-pass .score-percentage { color: #4caf50; }
.score-improving .score-percentage { color: var(--warning-color); }
.score-fail .score-percentage { color: var(--error-color); }

.score-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}

.score-correct, .score-incorrect, .score-time {
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.score-correct i { color: var(--success-color); }
.score-incorrect i { color: var(--error-color); }
.score-time i { color: var(--primary-color); }

/* Pass/Fail Status */
.pass-status {
    text-align: center;
    margin-top: 16px;
}

.status-pass, .status-fail {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
}

.status-pass {
    background: rgba(var(--success-rgb), 0.1);
    color: var(--success-color);
}

.status-pass i {
    font-size: 24px;
}

.status-fail {
    background: rgba(var(--warning-rgb), 0.1);
    color: var(--warning-color);
}

/* Results Breakdown */
.results-breakdown {
    background: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 20px;
}

.results-breakdown h3 {
    margin: 0 0 16px 0;
    font-size: 16px;
    color: var(--text-muted);
}

.module-score-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.module-score-item:last-child {
    margin-bottom: 0;
}

.module-score-name {
    width: 120px;
    font-weight: 500;
    font-size: 14px;
}

.module-score-bar {
    flex: 1;
    height: 8px;
    background: var(--surface-hover);
    border-radius: 4px;
    overflow: hidden;
}

.module-score-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 4px;
    transition: width 0.5s ease-out;
}

.module-score-value {
    width: 100px;
    text-align: right;
    font-size: 13px;
    color: var(--text-muted);
}

/* Unlock Message */
.unlock-message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 24px;
    background: linear-gradient(135deg, rgba(var(--success-rgb), 0.1), rgba(var(--primary-rgb), 0.1));
    border: 2px solid var(--success-color);
    border-radius: 12px;
    color: var(--success-color);
    font-weight: 600;
    font-size: 16px;
}

.unlock-message i {
    font-size: 24px;
}

/* Missed Items Section */
.missed-items-section {
    background: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 20px;
}

.missed-items-section h3 {
    margin: 0 0 16px 0;
    font-size: 16px;
    color: var(--text-muted);
}

.missed-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
}

.missed-item {
    text-align: center;
    padding: 12px;
    background: var(--surface-hover);
    border-radius: 8px;
}

.missed-item-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 8px;
}

.missed-item-word {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-color);
}

.missed-item-english {
    font-size: 12px;
    color: var(--text-muted);
}

/* Action Buttons */
.results-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.results-actions .btn {
    min-width: 160px;
}

/* =================================================================
   EMPTY STATE
   ================================================================= */

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--text-color);
}

.empty-state p {
    margin: 4px 0;
}

/* =================================================================
   RESPONSIVE DESIGN
   ================================================================= */

@media (max-width: 768px) {
    .module-test-session {
        padding: 12px;
    }

    .test-list {
        grid-template-columns: 1fr;
    }

    .test-timer-bar {
        flex-wrap: wrap;
        gap: 16px;
    }

    .timer-value {
        font-size: 20px;
    }

    .picture-options {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .results-summary {
        flex-direction: column;
        gap: 20px;
    }

    .score-details {
        text-align: center;
    }

    .module-score-item {
        flex-wrap: wrap;
    }

    .module-score-name {
        width: 100%;
    }

    .module-score-value {
        width: 100%;
        text-align: left;
    }

    .results-actions {
        flex-direction: column;
    }

    .results-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .audio-play-btn {
        padding: 16px 24px;
        font-size: 16px;
    }

    .word-option {
        padding: 12px 20px;
        font-size: 16px;
    }

    .quiz-input {
        padding: 12px;
        font-size: 16px;
    }

    .quiz-input-section {
        flex-direction: column;
    }
}

/* =================================================================
   TEST TYPE FILTER
   ================================================================= */

.test-type-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.test-type-filter .filter-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.test-type-filter .filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.test-type-filter .filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* =================================================================
   TEST TYPE BADGES & STYLES
   ================================================================= */

.test-type-badge.type-lesson {
    color: var(--primary-color);
}

.test-type-badge.type-review {
    color: var(--warning-color);
}

.test-type-badge.type-section {
    color: var(--success-color);
}

.test-card.type-lesson .test-card-header {
    border-left: 4px solid var(--primary-color);
}

.test-card.type-review .test-card-header {
    border-left: 4px solid var(--warning-color);
}

.test-card.type-section .test-card-header {
    border-left: 4px solid var(--success-color);
}

.gate-info {
    font-size: 12px;
    color: var(--primary-color);
    padding: 6px 12px;
    background: rgba(var(--primary-rgb), 0.1);
    border-radius: 6px;
    margin-top: 8px;
    display: inline-block;
}

.gate-info i {
    margin-right: 6px;
}

.test-items {
    font-size: 12px;
    color: var(--text-muted);
}

/* =================================================================
   STAGE INDICATOR
   ================================================================= */

.current-module-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.stage-indicator {
    padding: 6px 12px;
    background: var(--surface-hover);
    border-radius: 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
}

/* =================================================================
   STORY ZONE TEST STYLES
   ================================================================= */

.test-story-zone {
    width: 100%;
    max-width: 800px;
}

.story-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

.story-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.story-title i {
    color: var(--primary-color);
    margin-right: 8px;
}

.story-progress {
    font-size: 14px;
    color: var(--text-muted);
    padding: 6px 12px;
    background: var(--surface-hover);
    border-radius: 16px;
}

.story-sentence-area {
    min-height: 200px;
    margin-bottom: 24px;
}

.sz-sentence {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    line-height: 1.8;
    font-size: 18px;
}

.sz-word {
    display: inline-flex;
    align-items: center;
}

.sz-card-blank {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    padding: 8px;
    background: var(--surface-hover);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 80px;
    min-height: 80px;
}

.sz-card-blank:hover {
    border-color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.1);
}

.sz-card-blank.sz-filled {
    border-style: solid;
    border-color: var(--primary-color);
    background: var(--surface-color);
}

.sz-card-blank.sz-empty .sz-blank-placeholder {
    font-size: 32px;
    color: var(--text-muted);
}

.sz-card-img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 4px;
}

.sz-card-word {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-color);
}

.sz-card-blank.correct {
    border-color: var(--success-color);
    background: rgba(var(--success-rgb), 0.1);
}

.sz-card-blank.incorrect {
    border-color: var(--error-color);
    background: rgba(var(--error-rgb), 0.1);
}

.sz-correct-word {
    color: var(--success-color);
}

.sz-translation {
    padding: 16px;
    background: var(--surface-hover);
    border-radius: 8px;
    font-style: italic;
    color: var(--text-muted);
    margin-top: 16px;
}

.story-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
}

/* Story Zone Card Modal */
.sz-card-modal {
    max-width: 600px;
}

.sz-card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.sz-card-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.sz-card-option:hover {
    border-color: var(--primary-color);
    transform: scale(1.02);
}

.sz-option-img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 8px;
}

.sz-option-word {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

/* =================================================================
   STORY ZONE RESPONSIVE
   ================================================================= */

@media (max-width: 768px) {
    .test-type-filter {
        gap: 6px;
    }

    .test-type-filter .filter-btn {
        padding: 8px 12px;
        font-size: 12px;
    }

    .story-header {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .sz-sentence {
        font-size: 16px;
        gap: 6px;
    }

    .sz-card-blank {
        min-width: 60px;
        min-height: 60px;
        padding: 6px;
    }

    .sz-card-img {
        width: 45px;
        height: 45px;
    }

    .sz-card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .sz-option-img {
        width: 70px;
        height: 70px;
    }

    .story-actions {
        flex-direction: column;
    }

    .story-actions .btn {
        width: 100%;
    }
}

/* =================================================================
   TEST ORCHESTRATOR STYLES (v0.5.6.0)
   4-Stage Unified Test Module
   ================================================================= */

/* Test Header */
.test-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.test-header h1 {
    margin: 0;
    text-align: left;
}

/* Stage Progress Bar */
.stage-progress {
    padding: 12px 16px;
    background: var(--surface-color);
    border-radius: 12px;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
}

.stage-progress-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.current-stage-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.current-stage-title i {
    color: var(--primary-color);
    font-size: 20px;
}

.stage-indicators {
    display: flex;
    align-items: center;
    gap: 6px;
}

.stage-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 12px;
    border-radius: 6px;
    min-width: 70px;
    transition: all 0.3s ease;
}

.stage-indicator.pending {
    opacity: 0.4;
    background: var(--surface-hover);
}

.stage-indicator.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}

.stage-indicator.completed {
    background: var(--success-color);
    color: white;
}

.stage-indicator.skipped {
    background: var(--text-muted);
    color: white;
    opacity: 0.7;
}

.stage-icon {
    font-size: 18px;
    margin-bottom: 2px;
}

.stage-name {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.stage-score {
    font-size: 14px;
    font-weight: 700;
    margin-top: 4px;
}

.stage-skipped {
    font-size: 10px;
    opacity: 0.8;
    margin-top: 4px;
}

.stage-connector {
    width: 24px;
    height: 3px;
    background: var(--border-color);
    border-radius: 2px;
}

/* Stage Container */
.stage-container {
    background: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    min-height: 400px;
}

.stage-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--surface-hover);
    border-radius: 12px 12px 0 0;
}

.stage-header h2 {
    margin: 0;
    font-size: 20px;
    color: var(--text-color);
}

.stage-header h2 i {
    margin-right: 10px;
    color: var(--primary-color);
}

.stage-content {
    padding: 24px;
}

.loading-test {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    color: var(--text-muted);
    font-size: 18px;
}

.loading-test i {
    margin-right: 12px;
}

/* Stage Transition Screen */
.stage-complete {
    text-align: center;
    padding: 48px 24px;
}

.stage-complete-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.stage-complete-icon.success {
    color: var(--success-color);
}

.stage-complete-icon.needs-work {
    color: var(--warning-color);
}

.stage-complete h2 {
    margin: 0 0 24px 0;
    color: var(--text-color);
}

.stage-score-display {
    margin-bottom: 32px;
}

.stage-score-display .score-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--text-color);
}

.stage-score-display .score-detail {
    display: block;
    font-size: 16px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Final Results View */
.test-results-view {
    background: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.final-results {
    text-align: center;
    padding: 32px 24px;
}

.results-header {
    margin-bottom: 24px;
}

.results-header.passed .result-icon {
    color: var(--success-color);
}

.results-header.failed .result-icon {
    color: var(--warning-color);
}

.result-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.results-header h2 {
    margin: 0;
    font-size: 28px;
    color: var(--text-color);
}

.score-circle {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 24px auto;
    border: 6px solid;
    background: var(--surface-hover);
}

.score-circle.passed {
    border-color: var(--success-color);
}

.score-circle.failed {
    border-color: var(--warning-color);
}

.score-percentage {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-color);
}

.score-label {
    font-size: 14px;
    color: var(--text-muted);
}

.pass-threshold {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 24px;
}

.stage-breakdown {
    max-width: 400px;
    margin: 24px auto;
    text-align: left;
    background: var(--surface-hover);
    border-radius: 12px;
    padding: 20px;
}

.stage-breakdown h3 {
    margin: 0 0 16px 0;
    font-size: 16px;
    color: var(--text-color);
    text-align: center;
}

.breakdown-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.breakdown-row:last-child {
    border-bottom: none;
}

.breakdown-name {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-color);
}

.breakdown-name i {
    color: var(--primary-color);
}

.breakdown-score {
    font-weight: 600;
}

.breakdown-score.good {
    color: var(--success-color);
}

.breakdown-score.needs-work {
    color: var(--warning-color);
}

.unlock-message {
    background: var(--success-light);
    color: var(--success-color);
    padding: 12px 20px;
    border-radius: 8px;
    margin: 24px auto;
    max-width: 400px;
    font-weight: 500;
}

.unlock-message i {
    margin-right: 8px;
}

.results-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
    flex-wrap: wrap;
}

/* All Tests Modal */
.all-tests-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.all-tests-modal.hidden {
    display: none;
}

.all-tests-modal .modal-content {
    background: var(--bg-color);
    border-radius: 16px;
    max-width: 800px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.all-tests-modal .modal-header h2 {
    margin: 0;
    font-size: 20px;
    color: var(--text-color);
}

.all-tests-modal .modal-header h2 i {
    margin-right: 10px;
    color: var(--primary-color);
}

.all-tests-modal .test-list {
    padding: 20px;
    max-height: calc(80vh - 80px);
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

/* Type Badges for All Tests */
.type-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.type-badge.type-lesson {
    background: var(--primary-light);
    color: var(--primary-color);
}

.type-badge.type-review {
    background: var(--info-light);
    color: var(--info-color);
}

.type-badge.type-section {
    background: var(--warning-light);
    color: var(--warning-color);
}

.test-status {
    font-size: 12px;
    color: var(--text-muted);
}

.test-card-body {
    padding: 16px;
}

.test-name {
    margin: 0;
    font-size: 16px;
    color: var(--text-color);
}

.test-card-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    background: var(--surface-hover);
}

.start-test-btn {
    width: 100%;
}

/* Embedded Test Styles */
.embedded-test .progress-section {
    margin-bottom: 16px;
}

.embedded-test .matching-container-sound,
.embedded-test .quiz-container {
    background: transparent;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .test-header {
        flex-direction: column;
        text-align: center;
    }

    .stage-progress {
        padding: 10px 12px;
    }

    .stage-progress-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .current-stage-title {
        font-size: 16px;
    }

    .stage-indicators {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 4px;
    }

    .stage-indicator {
        min-width: 60px;
        padding: 6px 8px;
    }

    .stage-icon {
        font-size: 16px;
    }

    .stage-name {
        font-size: 9px;
    }

    .stage-connector {
        width: 8px;
    }

    .score-circle {
        width: 120px;
        height: 120px;
    }

    .score-percentage {
        font-size: 32px;
    }

    .stage-breakdown {
        padding: 16px;
    }

    .results-actions {
        flex-direction: column;
    }

    .results-actions .btn {
        width: 100%;
    }

    .all-tests-modal .test-list {
        grid-template-columns: 1fr;
    }
}