/* ============================================
   TONLEITER APP - Section-specific Styles
   ============================================ */

/* ============================================
   EXPLORE SECTION
   ============================================ */

.explore-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Scale navigation indicator */
.scale-nav {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.scale-nav-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.scale-nav-item.current {
    border-color: var(--color-primary);
    color: var(--color-primary);
    font-weight: 600;
}

.scale-nav-item.completed {
    border-color: var(--color-success);
    background-color: var(--color-gt-light);
    color: var(--color-success);
}

.scale-nav-item.locked {
    opacity: 0.5;
}

/* Phase tabs */
.phase-tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.phase-tab {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-border);
    color: white;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.phase-tab.active {
    background-color: var(--color-primary);
}

.phase-tab.completed {
    background-color: var(--color-success);
}

.phase-tab.locked {
    background-color: var(--color-border);
    opacity: 0.5;
}

/* ============================================
   QUIZ SECTION
   ============================================ */

.quiz-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 700px;
    margin: 0 auto;
    width: 100%;
}

/* Quiz header info */
.quiz-header-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-end;
}

/* Score display */
.quiz-score-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

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

.score-value {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--color-primary);
}

/* Progress container */
.quiz-progress-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: flex-end;
}

/* Progress bar */
.quiz-progress-bar {
    width: 200px;
    height: 10px;
    background-color: var(--color-border);
    border-radius: 50px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.quiz-progress-fill {
    height: 100%;
    background: var(--color-primary);
    transition: width var(--ease-spring) 0.5s;
    width: 0%;
    box-shadow: 0 0 8px rgba(255, 107, 107, 0.4);
}

.quiz-counter {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Quiz question card */
.quiz-question {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.quiz-question::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.quiz-question h3 {
    margin-bottom: var(--spacing-lg);
}

/* Quiz answer options */
.quiz-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--ease-spring) var(--duration-normal);
    text-align: left;
    box-shadow: var(--shadow-sm);
}

.quiz-option:hover {
    border-color: var(--color-primary);
    background-color: var(--color-surface);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.15);
}

.quiz-option.selected {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(255, 142, 142, 0.1) 0%, rgba(255, 107, 107, 0.1) 100%);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.quiz-option.correct {
    border-color: var(--color-success);
    background-color: var(--color-gt-light);
    box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.15);
}

.quiz-option.incorrect {
    border-color: var(--color-error);
    background-color: var(--color-ht-light);
    box-shadow: 0 0 0 3px rgba(225, 112, 85, 0.15);
}

.quiz-option-marker {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.quiz-option.selected .quiz-option-marker {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: white;
}

/* Quiz audio player */
.quiz-audio {
    margin: var(--spacing-lg) 0;
}

/* Quiz result */
.quiz-result {
    text-align: center;
    padding: var(--spacing-xxl);
}

.quiz-result h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
}

#quiz-score {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   TRAINER SECTION
   ============================================ */

/* Trainer header info (analog zu quiz-header-info) */
.trainer-header-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-end;
}

.trainer-level {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
}

/* Mode selection */
.trainer-mode-select {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-xxl);
}

.trainer-mode-select h3 {
    font-size: var(--font-size-xl);
}

.mode-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.btn-mode {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    min-width: 180px;
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all var(--ease-spring) var(--duration-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-mode::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.btn-mode:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg), 0 0 0 3px rgba(255, 107, 107, 0.1);
    transform: translateY(-4px);
}

.btn-mode:hover::before {
    opacity: 1;
}

.mode-icon {
    font-size: 48px;
    color: var(--color-primary);
}

.mode-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.mode-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Trainer content */
.trainer-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

/* Task display area */
.task-display {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.task-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

/* Arrow visualization */
.arrow-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-xl);
    flex-wrap: wrap;
    justify-content: center;
}

.tone-box {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-weight: 600;
    min-width: 60px;
    text-align: center;
}

.tone-box.start {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.tone-box.answer {
    background-color: var(--color-surface);
    border-style: dashed;
}

/* Arrow SVG */
.step-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--spacing-xs);
    transition: opacity 0.3s ease, filter 0.3s ease;
}

.step-arrow.inactive {
    opacity: 0.35;
    filter: grayscale(100%);
}

.step-arrow.active {
    opacity: 1;
}

.step-arrow-icon {
    display: block;
    object-fit: contain;
}

.step-arrow.gt path {
    fill: var(--color-gt);
    stroke: var(--color-gt);
}

.step-arrow.ht path {
    fill: var(--color-ht);
    stroke: var(--color-ht);
}

.step-label {
    font-size: 40px;
    font-weight: 700;
    line-height: 1;
}

.step-label.gt {
    color: rgb(0, 230, 0);
}

.step-label.ht {
    color: rgb(255, 0, 0);
}

/* Input placeholder (temporär, wird durch Input ersetzt) */
.input-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Inline input fields in arrow display */
.trainer-input.inline {
    width: 100px;
    padding: var(--spacing-md);
    font-size: var(--font-size-xl);
    text-align: center;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    text-transform: lowercase;
    background-color: var(--color-surface);
    min-height: 60px;
    font-weight: 600;
}

.trainer-input.inline:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.15);
}

.trainer-input.inline.correct {
    border-color: var(--color-success);
    background-color: var(--color-gt-light);
}

.trainer-input.inline.incorrect {
    border-color: var(--color-error);
    background-color: var(--color-ht-light);
}

.trainer-input.inline:disabled {
    background-color: var(--color-bg);
    cursor: not-allowed;
}

.trainer-input.inline.locked {
    opacity: 0.4;
    background-color: var(--color-bg);
    transition: opacity 0.3s ease;
}

/* Input area */
.input-area {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    width: 100%;
}

.trainer-input {
    width: 100px;
    padding: var(--spacing-md);
    font-size: var(--font-size-lg);
    text-align: center;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    text-transform: lowercase;
}

.trainer-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.trainer-input.correct {
    border-color: var(--color-success);
    background-color: var(--color-gt-light);
}

.trainer-input.incorrect {
    border-color: var(--color-error);
    background-color: var(--color-ht-light);
}

.trainer-input:disabled {
    background-color: var(--color-bg);
    cursor: not-allowed;
}

.trainer-input.locked {
    opacity: 0.5;
}

/* Task progress */
.task-progress {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Trainer actions */
.trainer-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* VexFlow notation container */
.vexflow-container {
    width: 100%;
    overflow-x: auto;
}

.vexflow-container svg {
    max-width: 100%;
    height: auto;
}

/* Reference keyboard container */
.reference-keyboard-container {
    margin-top: 1.5rem;
}

/* ============================================
   LEVEL COMPLETION
   ============================================ */

.level-complete {
    text-align: center;
    padding: var(--spacing-xl);
}

.level-complete h3 {
    font-size: var(--font-size-xl);
    color: var(--color-success);
    margin-bottom: var(--spacing-lg);
}

.level-complete .completion-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
    .mode-buttons {
        flex-direction: column;
    }

    .btn-mode {
        width: 100%;
        max-width: 300px;
    }

    .quiz-question {
        padding: var(--spacing-lg);
    }

    .quiz-progress-bar {
        width: 150px;
    }

    .task-display {
        padding: var(--spacing-lg);
    }

    .arrow-display {
        gap: var(--spacing-sm);
    }

    .step-label {
        font-size: 32px;
    }

    .trainer-input {
        width: 80px;
        padding: var(--spacing-sm);
    }

    .trainer-input.inline {
        width: 80px;
        font-size: var(--font-size-lg);
        padding: var(--spacing-sm);
        min-height: 50px;
    }

}

@media (max-width: 480px) {
    .scale-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .scale-nav-item {
        font-size: 12px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .quiz-progress-bar {
        width: 120px;
    }

    .score-label,
    .score-value {
        font-size: 12px;
    }

    .step-label {
        font-size: 28px;
    }

    .trainer-input.inline {
        width: 70px;
        font-size: var(--font-size-base);
        min-height: 44px;
    }

    .arrow-display {
        gap: var(--spacing-xs);
    }
}

/* ============================================
   TRAINER BUTTON SUCCESS STATE
   ============================================ */

#check-trainer-btn.success {
    background: var(--color-success) !important;
    border-color: var(--color-success) !important;
    color: white !important;
    box-shadow: 0 4px 14px rgba(0, 184, 148, 0.4) !important;
}

/* ============================================
   ERROR MODAL
   ============================================ */

.error-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.error-modal-content {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    max-width: 400px;
    width: 100%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.error-modal-content p {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.error-modal-content .correct-answer {
    font-size: var(--font-size-xl);
    color: var(--color-error);
}

.error-modal-content .correct-answer strong {
    color: var(--color-success);
    font-size: var(--font-size-xxl);
}

.error-modal-content .retry-btn {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.error-modal-content .retry-btn:hover {
    background-color: var(--color-primary-dark);
}

@media (max-width: 480px) {
    .error-modal-content {
        padding: var(--spacing-lg);
        max-width: 90%;
    }
}