/* Estilos para a página de exercícios (exercicios.html) */

.exercises-library h1 {
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.exercises-library p {
    color: var(--text-color-light);
    margin-bottom: 30px;
}

/* --- Barra de Pesquisa --- */
.search-bar {
    flex-grow: 2; /* Ocupa mais espaço */
}

.search-input-wrapper {
    position: relative;
    width: 100%;
}

.search-input-wrapper .bi-search {
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    color: var(--text-color-light);
    font-size: 1.1em;
}

#search_term {
    width: 100%;
    padding: 12px 15px 12px 45px; /* Espaço para o ícone */
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1em;
    background-color: #fff;
    transition: all 0.2s ease-in-out;
}

#search_term:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

#search_term::placeholder {
    color: var(--text-color-light);
    font-style: italic;
}


/* --- Filtros --- */
.filters-container {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    background-color: var(--card-bg-color);
    padding: 20px 25px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    align-items: flex-end; /* Alinha os itens ao fundo */
}

.filter-group {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-width: 200px; /* Aumenta a largura mínima */
}

.filter-group label {
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.95em;
}

.filter-group select.custom-select-hidden {
    display: none; /* Esconde o select original */
}

/* --- Dropdown Personalizado --- */
.custom-select-wrapper {
    position: relative;
    width: 100%;
}

.custom-select {
    position: relative;
}

.custom-select-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1em;
    background-color: #fff;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    user-select: none;
}

.custom-select-trigger:hover, .custom-select.open .custom-select-trigger {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.custom-select-trigger .arrow {
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--text-color-light);
    border-bottom: 2px solid var(--text-color-light);
    transform: rotate(45deg);
    transition: transform 0.2s ease-in-out;
}

.custom-select.open .custom-select-trigger .arrow {
    transform: rotate(225deg);
}

.custom-options {
    display: none;
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    right: 0;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    z-index: 100;
    max-height: 220px; /* ALTURA MÁXIMA CONTROLADA */
    overflow-y: auto; /* Adiciona scroll se necessário */
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.custom-select.open .custom-options {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.custom-option {
    padding: 12px 15px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.custom-option:hover {
    background-color: #e7f1ff;
    color: var(--primary-color);
}

.custom-option.selected {
    background-color: #e7f1ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* --- Botões de Filtro --- */
.filter-buttons {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-left: auto; /* Empurra os botões para a direita */
    align-self: flex-end; /* Garante o alinhamento ao fundo */
}

.button-filter, .button-clear {
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease-in-out;
    text-decoration: none; /* Garante que o 'a' não tem sublinhado */
}

.button-filter {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
}

.button-filter:hover {
    background-color: var(--primary-color-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.2);
}

.button-clear {
    background-color: transparent;
    color: var(--text-color-light);
    border: 1px solid var(--border-color);
}

.button-clear:hover {
    background-color: var(--border-color);
    color: var(--text-color);
    border-color: var(--border-color);
}


/* --- Grelha de Exercícios --- */
.exercises-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

/* Reutiliza o estilo de .exercise-card de criar-plano.css, mas adiciona cursor */
.exercise-card {
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: all 0.2s ease-in-out;
}

.exercise-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

.exercise-card h3 {
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 1.25em;
}

.exercise-card p {
    color: var(--text-color-light);
    margin-bottom: 5px;
    font-size: 0.9em;
}

.exercise-card p strong {
    color: var(--text-color);
}

.exercise-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    margin-top: 10px;
    align-self: flex-start;
}

.exercise-card a:hover {
    text-decoration: underline;
}

/* Mensagem de "Nenhum resultado" */
.no-results-message {
    grid-column: 1 / -1; /* Ocupa todas as colunas da grelha */
    text-align: center;
    font-size: 1.2em;
    color: var(--text-color-light);
    padding: 50px 0;
}

/* --- Modal de Detalhes do Exercício --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none; /* Escondido por defeito */
    justify-content: center;
    align-items: center;
    z-index: 9999; /* Valor alto para garantir que fica sempre por cima */
    padding: 20px;
    overflow-y: auto;
}

.modal-overlay.show {
    display: flex;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    max-width: 800px;
    width: 100%;
    position: relative;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    animation: slide-down 0.3s ease-out;
}

@keyframes slide-down {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 2rem;
    color: #888;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: #333;
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.modal-video-container {
    position: relative;
    padding-bottom: 56.25%; /* Proporção 16:9 */
    height: 0;
    overflow: hidden;
}

.modal-video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.modal-details h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 20px;
}

.modal-details p, .modal-details ul {
    margin-bottom: 15px;
    color: var(--text-color-light);
}

.exercise-card h3.exercise-name {
    cursor: pointer;
    transition: color 0.2s ease-in-out;
}

.exercise-card h3.exercise-name:hover {
    color: #0056b3; /* Darker blue on hover */
}

/* --- Estilos para o Modal de Descrição (Melhorado para Scrolling) --- */
.modal-content.modal-description {
    max-width: 600px; /* Largura mais apropriada para texto */
    max-height: 85vh; /* Altura máxima = 85% da altura da janela */
    display: flex;
    flex-direction: column;
}

.modal-description h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.8rem;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0; /* Impede que o título encolha */
}

.modal-description p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-color);
    overflow-y: auto; /* Adiciona scroll vertical apenas a este parágrafo */
    flex-grow: 1; /* Permite que o parágrafo ocupe o espaço restante */
    padding-right: 15px; /* Evita que o texto fique colado à barra de scroll */
    margin-bottom: 0; /* Remove margem para não criar espaço extra no fundo */
}