/* Trial Lesson Styles */
.trial-lesson-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 2rem;
}

/* Вступительный экран */
.intro-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.intro-screen.active {
    opacity: 1;
    transform: translateY(0);
}

.intro-content {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    width: 100%;
}

.intro-content h1 {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.intro-text {
    font-size: 1.125rem;
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 2rem;
}

/* Блоки урока */
.lesson-block {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    margin: 2rem auto;
    max-width: 800px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.5s ease;
}

/* Блок с рассказом */
.story-block {
    max-width: 900px;
}

.story-content {
    background: #f9fafb;
    border-radius: 12px;
    padding: 2rem;
    line-height: 1.9;
    font-size: 1.125rem;
    color: #374151;
    margin-bottom: 2rem;
}

.story-content p {
    margin-bottom: 1.25rem;
}

.story-content p:last-child {
    margin-bottom: 0;
}

/* Ключевые слова - черным цветом */
.keyword {
    color: #000000 !important;
    font-weight: 700;
    background: rgba(0, 0, 0, 0.05);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
}

.story-reference {
    font-size: 0.95rem;
}

/* Подсказки с иконкой глаза */
.hint-toggle-container {
    margin-bottom: 1.5rem;
}

.hint-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    color: #6b7280;
    transition: all 0.3s;
}

.hint-toggle:hover {
    border-color: #2563eb;
    background: #eff6ff;
    color: #2563eb;
}

.eye-icon {
    font-size: 1.25rem;
    display: inline-block;
}

.hint-content {
    animation: fadeIn 0.3s ease;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.block-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e5e7eb;
}

.block-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: white;
    border-radius: 12px;
    font-size: 1.5rem;
    font-weight: bold;
}

.block-header h2 {
    font-size: 1.75rem;
    color: #1f2937;
    margin: 0;
}

.instruction {
    font-size: 1.125rem;
    color: #4b5563;
    margin-bottom: 2rem;
    font-weight: 500;
}

/* Fill in the blanks */
.fill-blanks {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.blank-item {
    padding: 1.5rem;
    background: #f9fafb;
    border-radius: 12px;
    border: 2px solid #e5e7eb;
    transition: all 0.3s;
}

.blank-item.answered-correct {
    border-color: #10b981;
    background: #d1fae5;
}

.blank-item.answered-incorrect {
    border-color: #ef4444;
    background: #fee2e2;
}

.sentence {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #1f2937;
    font-weight: 500;
}

.blank {
    display: inline-block;
    min-width: 150px;
    border-bottom: 2px dashed #2563eb;
    padding: 0 0.5rem;
    color: #2563eb;
    font-weight: 600;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.options label {
    display: flex;
    align-items: center;
    padding: 0.875rem 1rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
}

.options label:hover {
    border-color: #2563eb;
    background: #eff6ff;
    transform: translateX(5px);
}

.options input[type="radio"] {
    margin-right: 0.75rem;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.options input[type="radio"]:checked + span {
    font-weight: 600;
    color: #2563eb;
}

/* Feedback */
.feedback {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 500;
    animation: slideIn 0.3s ease;
}

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

.feedback.correct {
    background: #d1fae5;
    color: #065f46;
    border: 2px solid #10b981;
}

.feedback.incorrect {
    background: #fee2e2;
    color: #991b1b;
    border: 2px solid #ef4444;
}

.feedback.info {
    background: #dbeafe;
    color: #1e40af;
    border: 2px solid #2563eb;
}

.feedback-correct::before {
    content: "✓ ";
    font-weight: bold;
    font-size: 1.2em;
}

.feedback-incorrect::before {
    content: "✗ ";
    font-weight: bold;
    font-size: 1.2em;
}

/* Диалог */
.dialogue {
    background: #f9fafb;
    border-radius: 12px;
    padding: 2rem;
}

.dialogue-line {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.speaker {
    font-weight: bold;
    color: #2563eb;
    min-width: 30px;
}

.dialogue .text {
    flex: 1;
    color: #1f2937;
}

/* Sentence Builder */
.sentence-builder {
    background: #f9fafb;
    border-radius: 12px;
    padding: 2rem;
}

.words-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    min-height: 100px;
}

.word {
    display: inline-block;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.125rem;
    font-weight: 600;
    transition: all 0.3s;
    user-select: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.word:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.word:active {
    transform: translateY(0);
}

.word.used {
    opacity: 0.4;
    cursor: not-allowed;
    transform: scale(0.95);
}

.sentence-result {
    margin: 2rem 0;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    border: 2px dashed #2563eb;
}

.sentence-result p {
    margin-bottom: 1rem;
    color: #4b5563;
    font-weight: 500;
}

.sentence-words {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    min-height: 50px;
    padding: 1rem;
    background: #f9fafb;
    border-radius: 8px;
}

.sentence-word {
    display: inline-block;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: white;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
}

/* Text Answer */
.text-answer {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    min-height: 120px;
    transition: border-color 0.3s;
}

.text-answer:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.hint {
    background: #dbeafe;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    color: #1e40af;
    font-size: 0.95rem;
}

/* Quiz */
.quiz-progress {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.125rem;
    color: #4b5563;
    font-weight: 500;
}

.quiz-question {
    margin-bottom: 2rem;
}

.quiz-question h3 {
    font-size: 1.5rem;
    color: #1f2937;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.quiz-option {
    display: flex;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1.125rem;
}

.quiz-option:hover {
    border-color: #2563eb;
    background: #eff6ff;
    transform: translateX(5px);
}

.quiz-option.selected {
    border-color: #2563eb;
    background: #eff6ff;
    font-weight: 600;
}

.quiz-option input[type="radio"] {
    margin-right: 1rem;
    width: 22px;
    height: 22px;
    cursor: pointer;
}

.quiz-truefalse {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.quiz-truefalse .quiz-option {
    flex: 1;
    min-width: 150px;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
}

.quiz-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid #e5e7eb;
}

/* Results Screen */
.results-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.results-content {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    width: 100%;
}

.results-content h1 {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 2rem;
    font-weight: 700;
}

.results-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 3rem;
    font-weight: bold;
    background: linear-gradient(135deg, #2563eb, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #6b7280;
    font-size: 1rem;
}

.results-message {
    background: #f0f9ff;
    padding: 1.5rem;
    border-radius: 12px;
    margin: 2rem 0;
    font-size: 1.125rem;
    color: #1e40af;
    line-height: 1.8;
}

.results-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* Buttons */
.btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: white;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background: #eff6ff;
    transform: translateY(-2px);
}

.btn-success {
    background: #10b981;
    color: white;
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* Teacher View */
.teacher-view {
    background: #f9fafb;
}

.teacher-header {
    background: white;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.teacher-header h1 {
    font-size: 2rem;
    color: #2563eb;
    margin: 0;
}

.teacher-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem 2rem;
}

.teacher-section {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.teacher-section h2 {
    font-size: 1.75rem;
    color: #1f2937;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e5e7eb;
}

.teacher-section h3 {
    font-size: 1.25rem;
    color: #2563eb;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.teacher-section ul {
    list-style: none;
    padding: 0;
}

.teacher-section li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #4b5563;
    line-height: 1.8;
}

.teacher-section li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
    font-size: 1.5rem;
}

.teacher-section p {
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.timing-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.timing-item {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1rem;
    background: #f9fafb;
    border-radius: 8px;
}

.timing-item.total {
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: white;
    font-weight: 600;
}

.timing-item .time {
    font-weight: 600;
    color: #2563eb;
    min-width: 80px;
    font-size: 1.125rem;
}

.timing-item.total .time {
    color: white;
}

.timing-item .activity {
    flex: 1;
}

.teacher-dialogue {
    background: #f9fafb;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.dialogue-full {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
}

.correct-answer {
    background: #d1fae5;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1.25rem;
    font-weight: 600;
    color: #065f46;
    margin: 1rem 0;
    text-align: center;
}

.extra-activities {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.activity-item {
    background: #f0f9ff;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #2563eb;
}

.activity-item h3 {
    color: #2563eb;
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.activity-item p {
    margin: 0;
    color: #4b5563;
}

/* Кнопка переключения вида */
#viewSwitchBtn {
    transition: all 0.3s;
}

#viewSwitchBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* Анимация для результатов */
.results-screen {
    animation: fadeIn 0.5s ease;
}

.stat-value {
    animation: countUp 1s ease-out;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Большой диалог */
.full-dialogue {
    background: #f9fafb;
    border-radius: 12px;
    padding: 2rem;
}

/* Сопоставление */
.matching-exercise {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.matching-left,
.matching-right {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.matching-item {
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: white;
    border-radius: 8px;
    cursor: move;
    font-weight: 600;
    transition: all 0.3s;
    user-select: none;
}

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

.matching-target {
    padding: 1rem 1.5rem;
    background: white;
    border: 2px dashed #2563eb;
    border-radius: 8px;
    min-height: 50px;
    display: flex;
    align-items: center;
    transition: all 0.3s;
}

.matching-target:hover {
    border-color: #10b981;
    background: #f0fdf4;
}

/* Заполнение текста */
.text-fill-exercise {
    background: #f9fafb;
    padding: 2rem;
    border-radius: 12px;
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.blank-select {
    display: inline-block;
    min-width: 100px;
    border-bottom: 2px dashed #2563eb;
    padding: 0.25rem 0.5rem;
    color: #2563eb;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.blank-select:hover {
    background: #eff6ff;
}

.text-fill-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.text-fill-option {
    padding: 0.75rem 1.5rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.text-fill-option:hover {
    border-color: #2563eb;
    background: #eff6ff;
    transform: translateY(-2px);
}

/* Реакции */
.reaction-exercise {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.reaction-item {
    background: #f9fafb;
    padding: 1.5rem;
    border-radius: 12px;
}

.reaction-question {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

/* Поиск ошибок */
.error-finding {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.error-item {
    background: #fef2f2;
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid #ef4444;
}

.error-word {
    background: #fee2e2;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    color: #991b1b;
    font-weight: 600;
    text-decoration: line-through;
}

.correct-word {
    color: #065f46;
    font-size: 0.875rem;
    font-style: italic;
}

.instruction-small {
    color: #6b7280;
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .matching-exercise {
        grid-template-columns: 1fr;
    }
    .trial-lesson-container {
        padding: 1rem;
    }

    .intro-content,
    .lesson-block,
    .results-content {
        padding: 1.5rem;
    }

    .intro-content h1 {
        font-size: 1.5rem;
    }

    .block-header h2 {
        font-size: 1.5rem;
    }

    .block-number {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .words-container {
        padding: 1rem;
    }

    .word {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }

    .results-stats {
        gap: 2rem;
    }

    .stat-value {
        font-size: 2.5rem;
    }

    .quiz-navigation {
        flex-direction: column;
    }

    .quiz-navigation .btn {
        width: 100%;
    }

    .teacher-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .timing-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}