/**
 * Estilos específicos para la Tabla de Pinyin
 * Complementa los estilos compartidos de Material Design
 */

/* Contenedor principal */
.pinyin-main-container {
    width: 100%;
    margin: 0 auto;
    padding: 0;
    background: transparent;
}

/* Contenedor de controles */
.pinyin-controls-container {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-end;
    gap: 3rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.pinyin-vowel-selector,
.pinyin-tone-selector {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pinyin-control-label {
    font-size: 0.75rem;
    color: var(--md-on-surface-variant);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.pinyin-vowel-buttons,
.pinyin-tone-buttons {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 0;
}

.pinyin-tone-buttons {
    flex-wrap: nowrap;
}

/* Botones de control */
.pinyin-control-btn {
    width: 48px;
    height: 48px;
    border-radius: 0;
    border: 2px solid #e0e0e0;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--md-on-surface);
    background-color: var(--md-surface);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin: 0;
}

/* Esquinas redondeadas solo en los extremos y bordes compartidos */
.pinyin-vowel-btn:first-child,
.pinyin-tone-btn:first-child {
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
    border-right: none;
}

.pinyin-vowel-btn:not(:first-child):not(:last-child),
.pinyin-tone-btn:not(:first-child):not(:last-child) {
    border-left: none;
    border-right: none;
}

.pinyin-vowel-btn:last-child,
.pinyin-tone-btn:last-child {
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    border-left: none;
}

.pinyin-control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
    border-color: var(--md-primary);
}

.pinyin-control-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.pinyin-control-btn:focus {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
}

/* Botones de vocal */
.pinyin-vowel-btn:hover {
    background-color: var(--md-primary) !important;
    color: var(--md-on-primary) !important;
    border-color: var(--md-primary) !important;
}

/* Botones de tono activos */
.pinyin-tone-btn.pinyin-active[data-tone="1"] {
    background-color: var(--md-primary) !important;
    color: var(--md-on-primary) !important;
    border-color: var(--md-primary-dark) !important;
    box-shadow: 0 0 0 3px rgba(166, 0, 0, 0.2) !important;
}

.pinyin-tone-btn.pinyin-active[data-tone="2"] {
    background-color: #C41E3A !important;
    color: var(--md-on-primary) !important;
    border-color: var(--md-primary) !important;
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.2) !important;
}

.pinyin-tone-btn.pinyin-active[data-tone="3"] {
    background-color: #DC143C !important;
    color: var(--md-on-primary) !important;
    border-color: var(--md-primary) !important;
    box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.2) !important;
}

.pinyin-tone-btn.pinyin-active[data-tone="4"] {
    background-color: var(--md-primary-dark) !important;
    color: var(--md-on-primary) !important;
    border-color: #660000 !important;
    box-shadow: 0 0 0 3px rgba(139, 0, 0, 0.2) !important;
}

/* Contenedor de tabla */
.pinyin-table-container {
    overflow-x: auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--md-primary) transparent;
    position: relative;
    margin: 1.5rem 0;
    cursor: grab;
    user-select: none;
    padding: 0;
}

.pinyin-table-container button {
    cursor: pointer;
    user-select: auto;
}

.pinyin-table-container:active {
    cursor: grabbing;
}

.pinyin-table-container.pinyin-dragging {
    cursor: grabbing;
}

.pinyin-table-container.pinyin-dragging button {
    pointer-events: none;
}

/* Scrollbar personalizada */
.pinyin-table-container::-webkit-scrollbar {
    height: 8px;
    width: 8px;
}

.pinyin-table-container::-webkit-scrollbar-track {
    background: transparent;
}

.pinyin-table-container::-webkit-scrollbar-thumb {
    background-color: var(--md-primary);
    border-radius: 4px;
}

.pinyin-table-container::-webkit-scrollbar-thumb:hover {
    background-color: var(--md-primary-dark);
}

/* Tabla */
.pinyin-table {
    border-collapse: collapse;
    border-spacing: 0;
    min-width: 1200px;
    width: 100%;
    background: var(--md-surface);
    margin: 0;
}

.pinyin-table th,
.pinyin-table td {
    border: 1px solid #e0e0e0;
    text-align: center;
    padding: 8px 4px;
    height: 48px;
    min-width: 60px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 14px;
    vertical-align: middle;
}

.pinyin-table td {
    background-color: var(--md-surface);
}

.pinyin-table th {
    background-color: #f5f5f5;
    font-weight: 500;
    color: var(--md-on-surface);
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 2px rgba(0,0,0,0.05);
}

.pinyin-table th:first-child {
    position: sticky;
    left: 0;
    z-index: 20;
    min-width: 80px;
    background-color: #f5f5f5;
    font-weight: 600;
}

/* Paleta de colores para encabezados */
.pinyin-color-initial-green {
    background-color: #76b82a;
    color: white;
}

.pinyin-color-initial-blue {
    background-color: #0098da;
    color: white;
}

.pinyin-color-initial-lightblue {
    background-color: #00a0e3;
    color: white;
}

.pinyin-color-initial-purple {
    background-color: #a5439a;
    color: white;
}

.pinyin-color-initial-orange {
    background-color: #f26622;
    color: white;
}

.pinyin-color-initial-teal {
    background-color: #00a69c;
    color: white;
}

.pinyin-color-initial-gray {
    background-color: #b3b3b3;
    color: white;
}

/* Botones de sílaba */
.pinyin-syllable-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    cursor: pointer;
    font-size: 1rem;
    color: var(--md-on-surface);
    border: none;
    padding: 0;
    background-color: transparent;
    transition: all 0.2s ease;
    border-radius: 0;
}

.pinyin-syllable-btn:disabled {
    color: #d1d5db;
    cursor: not-allowed;
}

.pinyin-syllable-btn:hover:not(:disabled) {
    color: var(--md-primary);
    font-weight: 500;
}

.pinyin-syllable-btn.pinyin-playing {
    animation: pinyin-pulse 0.6s ease-in-out;
    color: var(--md-primary) !important;
    font-weight: 600;
}

@keyframes pinyin-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Estilos de sílaba válida según tono activo */
.pinyin-main-container[data-active-tone="1"] td.pinyin-valid-syllable {
    background-color: #ffebee;
}

.pinyin-main-container[data-active-tone="1"] td.pinyin-valid-syllable:hover {
    background-color: #ffcdd2;
}

.pinyin-main-container[data-active-tone="2"] td.pinyin-valid-syllable {
    background-color: #fce4ec;
}

.pinyin-main-container[data-active-tone="2"] td.pinyin-valid-syllable:hover {
    background-color: #f8bbd0;
}

.pinyin-main-container[data-active-tone="3"] td.pinyin-valid-syllable {
    background-color: #f3e5f5;
}

.pinyin-main-container[data-active-tone="3"] td.pinyin-valid-syllable:hover {
    background-color: #e1bee7;
}

.pinyin-main-container[data-active-tone="4"] td.pinyin-valid-syllable {
    background-color: #e8eaf6;
}

.pinyin-main-container[data-active-tone="4"] td.pinyin-valid-syllable:hover {
    background-color: #c5cae9;
}

/* Indicador de reproducción */
.pinyin-playing-indicator {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--md-primary);
    color: var(--md-on-primary);
    padding: 0.75rem 1.25rem;
    border-radius: 4px;
    box-shadow: 0 4px 5px rgba(0,0,0,0.2), 0 3px 14px rgba(0,0,0,0.12), 0 8px 10px rgba(0,0,0,0.14);
    display: none;
    align-items: center;
    gap: 0.75rem;
    z-index: 1000;
    animation: pinyin-slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.875rem;
}

.pinyin-playing-indicator.pinyin-show {
    display: flex;
}

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

.pinyin-sound-icon-svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    animation: pinyin-soundWave 1s ease-in-out infinite;
}

@keyframes pinyin-soundWave {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .pinyin-main-container {
        padding: 0 0.75rem;
    }
    
    .pinyin-table {
        min-width: 1000px;
    }
    
    .pinyin-table th,
    .pinyin-table td {
        height: 44px;
        min-width: 55px;
        font-size: 0.875rem;
    }
    
    .pinyin-control-btn {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }
    
    .pinyin-controls-container {
        flex-direction: column !important;
        gap: 1.5rem !important;
        justify-content: center !important;
        align-items: center !important;
        flex-wrap: nowrap !important;
    }
    
    .pinyin-vowel-buttons,
    .pinyin-tone-buttons {
        flex-wrap: nowrap !important;
    }
    
    .pinyin-control-label {
        font-size: 0.75rem;
    }
    
    .pinyin-playing-indicator {
        bottom: 10px;
        left: 10px;
        right: auto;
        padding: 0.625rem 1rem;
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    .pinyin-table th,
    .pinyin-table td {
        height: 40px;
        min-width: 50px;
        font-size: 0.75rem;
    }
    
    .pinyin-control-btn {
        width: 40px;
        height: 40px;
        font-size: 0.95rem;
    }
}