/**
 * MSA Teoria Musical Master - Componentes Visuais
 * Desenvolvido por ninjacoder (ninjacoder.com.br)
 */

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary { background: var(--primary-color); color: #ffffff; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }

.btn-secondary { background: var(--bg-tertiary); color: var(--text-primary); }
.btn-secondary:hover { background: rgba(255,255,255,0.15); }

.btn-success { background: var(--success-color); color: #ffffff; }
.btn-success:hover { background: #059669; }

.btn-danger { background: var(--danger-color); color: #ffffff; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}
.btn-outline:hover { background: var(--bg-tertiary); }

.btn-sm { padding: 6px 14px; font-size: 12px; }

/* Dashboard Home */
.hero-banner {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(56, 189, 248, 0.15));
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.hero-text h2 { font-size: 28px; margin-bottom: 8px; }
.hero-text p { color: var(--text-secondary); max-width: 600px; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.stat-header { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.stat-value { font-size: 32px; font-weight: 800; color: var(--text-primary); }

.progress-bar-container {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 12px;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    transition: width 0.5s ease;
}

/* Grade de Fases */
.phases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.phase-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 12px;
    transition: var(--transition);
}

.phase-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(99, 102, 241, 0.4);
}

.phase-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.phase-badge {
    background: var(--bg-tertiary);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    color: var(--info-color);
}

.phase-status-icon { font-size: 12px; font-weight: 600; color: var(--text-muted); }
.phase-completed .phase-status-icon { color: var(--success-color); }
.phase-title { font-size: 18px; font-weight: 700; }
.phase-desc { font-size: 13px; color: var(--text-secondary); flex: 1; }
.phase-actions { display: flex; gap: 8px; margin-top: 8px; }

/* Quiz & Prova */
.quiz-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

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

.quiz-progress-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 24px;
}

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

.quiz-question-text {
    font-size: 20px;
    margin-bottom: 20px;
    line-height: 1.5;
}

.quiz-options-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.quiz-opt-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 15px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.quiz-opt-btn:hover:not(:disabled) {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.opt-indicator {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    flex-shrink: 0;
}

.opt-selected {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.15);
}

.opt-correct {
    border-color: var(--success-color) !important;
    background: rgba(16, 185, 129, 0.15) !important;
    color: #ffffff;
}

.opt-incorrect {
    border-color: var(--danger-color) !important;
    background: rgba(239, 68, 68, 0.15) !important;
}

.quiz-feedback-box {
    padding: 16px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    animation: fadeIn 0.3s ease;
}

.feedback-correct {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid var(--success-color);
    color: var(--text-primary);
}

.feedback-incorrect {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid var(--danger-color);
    color: var(--text-primary);
}

.quiz-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Resultados */
.result-card {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 36px 24px;
}

.result-icon { font-size: 54px; margin-bottom: 12px; }
.result-score-circle {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    border: 6px solid var(--primary-color);
    margin: 20px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.score-passed { border-color: var(--success-color); }
.score-failed { border-color: var(--danger-color); }
.score-number { font-size: 32px; font-weight: 800; }
.score-label { font-size: 11px; color: var(--text-muted); }

.cert-box {
    background: rgba(245, 158, 11, 0.1);
    border: 1px dashed var(--warning-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin: 24px 0;
}

/* Flashcards Leitner */
.flashcard-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.flashcard-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.flashcard {
    height: 320px;
    perspective: 1000px;
    cursor: pointer;
    margin-bottom: 20px;
}

.flashcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.flashcard.flipped .flashcard-inner {
    transform: rotateY(180deg);
}

.flashcard-front, .flashcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
}

.flashcard-back {
    transform: rotateY(180deg);
    background: var(--bg-secondary);
}

.card-tag {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--info-color);
    letter-spacing: 1px;
}

.card-tag-success { color: var(--success-color); }
.card-text { font-size: 20px; font-weight: 600; margin: auto 0; }
.card-hint { font-size: 12px; color: var(--text-muted); }

.flashcard-controls {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

/* Metrônomo & Solfejo */
.studio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.studio-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
}

.solfejo-svg {
    width: 100%;
    max-height: 280px;
    background: rgba(15, 23, 42, 0.6);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.conductor-ball {
    fill: #f59e0b;
    filter: drop-shadow(0 0 6px rgba(245, 158, 11, 0.8));
    transition: all 0.1s ease-out;
}

.beat-node .node-circle {
    fill: var(--bg-tertiary);
    stroke: rgba(255,255,255,0.2);
    stroke-width: 0.8;
    transition: all 0.2s ease;
}

.beat-node.active .node-circle {
    fill: var(--primary-color);
    stroke: #ffffff;
    stroke-width: 1.5;
    transform: scale(1.15);
}

.beat-node.accent .node-circle {
    fill: var(--danger-color) !important;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    padding: 20px;
}

.modal-overlay.modal-open {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    max-width: 600px;
    width: 100%;
    padding: 24px;
    box-shadow: var(--shadow-md);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
}

/* Ferramentas MSA & Jogo de Leitura */
.note-staff-svg {
    width: 100%;
    max-height: 180px;
    background: rgba(15, 23, 42, 0.7);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.note-head-anim {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.7));
}

.feedback-tag {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
}

.feedback-tag.correct { background: rgba(16, 185, 129, 0.15); color: var(--success-color); border: 1px solid var(--success-color); }
.feedback-tag.incorrect { background: rgba(239, 68, 68, 0.15); color: var(--danger-color); border: 1px solid var(--danger-color); }
.feedback-tag.neutral { background: var(--bg-tertiary); color: var(--text-secondary); }

/* Calculadora de Compasso */
.calc-result-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
}

.calc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 12px;
}

.calc-item {
    background: var(--bg-tertiary);
    padding: 10px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.calc-label { font-size: 11px; color: var(--text-muted); }

/* Tabela de Hinos */
.hymns-table th, .hymns-table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}

.hymns-table tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.badge-info {
    background: rgba(56, 189, 248, 0.15);
    color: var(--info-color);
}