/* Variáveis de Cores e Espaçamento */
:root {
    --schedule-grid-gap: 1px;
    --schedule-cell-height: 80px;
    --schedule-header-height: 50px;
    --schedule-time-width: 80px;

    --color-slot-empty: #ffffff;
    --color-slot-filled: #e0f7fa;
    /* Verde/Azul claro para destaque */
    --color-slot-hover: #f5f5f5;
    --color-border: #e0e0e0;
    --color-text-primary: #333333;
    --color-text-secondary: #666666;
    --color-accent: #47ADB2;
    /* Cor principal do FitStudio */
    --color-waiting: #ff5252;
    /* Colors for Capacity Status */
    --color-status-empty: #ffffff;
    --color-status-partial: #e8f5e9;
    /* Green/Teal tint */
    --color-status-full: #ffebee;
    /* Red tint */

    --color-border-partial: #a5d6a7;
    --color-border-full: #ef9a9a;
}

/* Container Principal */
#schedule-grid {
    display: grid;
    /* 1 coluna para horário + 6 colunas para dias (Seg-Sáb) */
    grid-template-columns: var(--schedule-time-width) repeat(6, 1fr);
    background-color: var(--color-border);
    /* Cor do fundo cria as bordas pelo gap */
    gap: var(--schedule-grid-gap);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    /* Para bordas arredondadas nos cantos */
    margin: 10px 0;
    /* Reduced from 20px 0 */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* Células Gerais */
.schedule-cell {
    background-color: var(--color-slot-empty);
    padding: 10px;
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    transition: background-color 0.2s ease, z-index 0s;
}

.schedule-cell:hover {
    z-index: 50;
    /* Elevar celula para tooltips ficarem visiveis */
}

.schedule-cell-compact {
    height: 40px !important;
    min-height: 40px !important;
    font-size: 0.8rem;
    padding: 2px;
}

/* Cabeçalhos (Dias da Semana) */
.schedule-header {
    background-color: #f8f9fa;
    font-weight: bold;
    color: var(--color-text-primary);
    text-align: center;
    text-transform: uppercase;
    font-size: 0.85rem;
    height: var(--schedule-header-height);
    align-items: center;
}

/* Coluna de Horários */
.time-col {
    background-color: #f8f9fa;
    font-weight: bold;
    color: var(--color-text-secondary);
    justify-content: center;
    /* Centralizar verticalmente */
    align-items: center;
    border-right: 1px solid var(--color-border);
}

/* Slots Vazios */
.slot-empty {
    cursor: pointer;
}

.slot-empty:hover {
    background-color: var(--color-slot-hover);
}

.slot-empty::after {
    content: '+';
    font-size: 1.5rem;
    color: #ccc;
    opacity: 0;
    transition: opacity 0.2s;
    align-self: center;
}

.slot-empty:hover::after {
    opacity: 1;
}

/* Slots Ocupados (Aulas) */
.slot-filled {
    background-color: var(--color-slot-filled);
    border-left: 3px solid var(--color-accent);
    cursor: pointer;
}

.slot-filled:hover {
    filter: brightness(0.98);
}

.student-name {
    font-weight: 600;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.slot-details {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* Indicador de Lista de Espera Refatorada (Array) */
.waitlist-indicator {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 10px 10px;
    border-color: transparent transparent #ff9e28 transparent;
    /* Triângulo canto inferior direito */
}

/* Antigo indicator remover se nao usar mais */
.has-waiting::before {
    display: none;
}

/* Responsividade Básica */
@media (max-width: 768px) {
    #schedule-grid {
        font-size: 0.8rem;
        overflow-x: auto;
        /* Scroll horizontal em mobile */
        min-width: 800px;
        /* Força largura mínima para não quebrar layout */
    }
}

/* Modal Dialog Styles */
dialog {
    border: none;
    border-radius: 8px;
    padding: 0;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    min-width: 400px;
    max-width: 90vw;
    margin: auto auto;
}

dialog::backdrop {
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
}

dialog form {
    display: flex;
    flex-direction: column;
}

dialog header {
    background-color: var(--color-accent);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

dialog header h3 {
    margin: 0;
    font-size: 1.1rem;
}

dialog header .close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-body {
    padding: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-text-primary);
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 1rem;
}

/* Lista de Espera */
.waiting-suggestions {
    margin-top: 10px;
    background-color: #fff8e1;
    /* Amarelo claro */
    border: 1px solid #ffe082;
    border-radius: 4px;
    padding: 15px;
}

.waiting-suggestions h4 {
    margin: 0 0 10px 0;
    color: #f57f17;
    font-size: 0.9rem;
}

.suggestion-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    background-color: white;
    border: 1px solid #ffe082;
    border-radius: 4px;
    margin-bottom: 5px;
}

.suggestion-btn {
    background-color: #ffca28;
    border: none;
    border-radius: 3px;
    padding: 4px 8px;
    font-size: 0.8rem;
    cursor: pointer;
    font-weight: 600;
    color: #333;
}

.suggestion-btn:hover {
    background-color: #ffc107;
}

dialog footer {
    padding: 15px 20px;
    background-color: #f8f9fa;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Botões do Modal */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
}

.btn-primary:hover {
    filter: brightness(0.9);
}

.btn-secondary {
    background-color: #e0e0e0;
    color: #333;
}

.btn-secondary:hover {
    background-color: #d5d5d5;
}

.btn-danger {
    background-color: #ff5252;
    color: white;
    margin-right: auto;
    /* Empurra para a esquerda */
}

.btn-danger:hover {
    background-color: #ff1744;
}

/* Status Classes for Grid Cells */
.status-empty {
    background-color: var(--color-status-empty);
}

.status-partial {
    background-color: var(--color-status-partial);
    border-left: 3px solid #66bb6a;
    /* Green */
}

.status-full {
    background-color: var(--color-status-full);
    border-left: 3px solid #ef5350;

    /* Red */
}

/* Botões de Ação na Lista */
.btn-promote-student {
    background: none;
    border: none;
    color: #4caf50;
    /* Green */
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 8px;
}

.btn-promote-student:hover {
    background-color: #e8f5e9;
    border-radius: 4px;
}

.btn-remove-waitlist {
    background: none;
    border: none;
    color: #ef5350;
    /* Red */
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 8px;
}

.btn-remove-waitlist:hover {
    background-color: #ffebee;
    border-radius: 4px;
}

/* Botão Waitlist na área de adição */
.btn-warning {
    background-color: #ff9800;
    color: white;
}

.btn-warning:hover {
    filter: brightness(0.9);
}

/* Modal List Styles */
.students-list-container {
    margin: 15px 0;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 10px;
    background: #f9f9f9;
}

.students-list-container h4 {
    margin: 0 0 10px 0;
    font-size: 0.95rem;
    display: flex;
    justify-content: space-between;
}

.enrolled-list {
    list-style: none;
    padding: 0;
    margin: 0;
    min-height: 300px;
    overflow-y: auto;
}

.enrolled-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    border-bottom: 1px solid #eee;
    background: white;
}

.enrolled-list li:last-child {
    border-bottom: none;
}

.btn-remove-student {
    background: none;
    border: none;
    color: #ef5350;
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 8px;
}

.btn-remove-student:hover {
    background-color: #ffebee;
    border-radius: 4px;
}

.add-student-section {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px dashed var(--color-border);
}

/* New UI Elements */
.slot-capacity-badge {
    position: absolute;
    top: 2px;
    right: 4px;
    font-size: 0.70rem;
    color: #666;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 1px 4px;
    border-radius: 4px;
    font-weight: bold;
    pointer-events: none;
    /* Deixar clique passar pro slot */
}

.slot-photos-grid {
    display: flex;
    flex-wrap: nowrap;
    /* Não quebrar linha */
    align-items: center;
    justify-content: center;
    margin-top: 2px;
    width: 100%;
    height: 100%;
    min-height: 45px;
    /* Altura mínima para acomodar foto maior */
    overflow: visible;
    /* Permitir que tooltips e hover saiam */
}

/* Ajuste para células compactas */
.schedule-cell-compact .slot-photos-grid {
    min-height: 35px;
    margin-top: 0;
}

/* Wrapper para posicionamento relativo do Tooltip e overlap */
.student-photo-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: -12px;
    /* Overlap negativo */
    transition: margin 0.3s ease;
}

.student-photo-wrapper:first-child {
    margin-left: 0;
}

.student-photo-mini {
    width: 42px;
    /* Foto Maior */
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #fff;
    /* Borda mais grossa para destacar overlap */
    background-color: #eee;
    transition: transform 0.2s ease, margin 0.2s;
    position: relative;
    z-index: 1;
    /* Definido inline pelo JS para ordem */
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Tamanho menor para compactos */
.schedule-cell-compact .student-photo-mini {
    width: 32px;
    height: 32px;
    border-width: 1.5px;
}

/* Zoom Effect na Wrapper (ou na img) */
.student-photo-wrapper:hover .student-photo-mini {
    transform: scale(1.5);
    z-index: 20;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* Tooltip Customizado */
.student-tooltip {
    visibility: hidden;
    background-color: #333;
    /* Fundo escuro */
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 6px 10px;
    position: absolute;
    z-index: 30;
    bottom: 125%;
    /* Acima da foto */
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.85rem;
    white-space: nowrap;
    pointer-events: none;
    /* Não bloquear mouse */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* Seta do Tooltip */
.student-tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    /* Embaixo do tooltip */
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #333 transparent transparent transparent;
}

.student-photo-wrapper:hover .student-tooltip {
    visibility: visible;
    opacity: 1;
}

.student-suspended {
    filter: grayscale(100%);
    border: 2px solid purple;
    opacity: 0.5;
}

.btn-suspend-student {
    background: none;
    border: none;
    color: #9c27b0;
    /* Purple */
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 8px;
}

.btn-suspend-student:hover {
    background-color: #f3e5f5;
    border-radius: 4px;
}

/* Tabs Navigation */
/* Tabs Navigation */
.tabs-navigation {
    display: flex;
    justify-content: space-between;
    /* Change from center to space-between */
    align-items: center;
    margin-bottom: 10px;
    /* Reduced from 20px */
    background-color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    gap: 20px;
    flex-wrap: wrap;
    /* Allow wrapping on small screens */
}

.tabs-buttons {
    display: flex;
    gap: 10px;
}

.tab-btn {
    padding: 10px 20px;
    border: 2px solid var(--color-border);
    background-color: transparent;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    background-color: var(--color-slot-hover);
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.tab-btn.active {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

/* Modern Week Navigation */
.week-navigation.modern-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    background-color: white;
    padding: 8px 20px;
    border-radius: 30px;
    box-shadow: 0 2px 10px rgb(0 0 0 / 25%);
    /*margin: 0 auto;*/
    width: fit-content;
}

.nav-icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.nav-icon-btn:hover {
    background-color: #f0f0f0;
    color: var(--color-accent);
}

.date-display-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 1rem;
    position: relative;
    padding: 0 10px;
    border-left: 1px solid #eee;
    border-right: 1px solid #eee;
}

.calendar-trigger {
    cursor: pointer;
    color: #999;
    font-size: 1rem;
    transition: color 0.2s;
    padding: 4px;
}

.calendar-trigger:hover {
    color: var(--color-accent);
}

.hidden-date-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 1px;
    height: 1px;
    bottom: 0;
    left: 50%;
}

/* Quando o input date for acionado via label, o browser lida com o popup */

.nav-text-btn {
    background: none;
    border: 1px solid #eee;
    border-radius: 20px;
    padding: 5px 15px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.nav-text-btn:hover {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

/* Responsividade Nav */
@media (max-width: 600px) {
    .week-navigation.modern-nav {
        width: 100%;
        justify-content: space-between;
        border-radius: 12px;
        gap: 5px;
    }

    .date-display-wrapper {
        font-size: 0.9rem;
        padding: 0 5px;
    }
}

/* Status de Alunos na Lista */
.student-canceled {
    opacity: 0.5;
    color: #999;
    text-decoration: line-through;
}

.student-replacement {
    color: #2196F3;
    /* Azul Material / Brand */
    font-weight: 600;
}

.status-badge {
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    vertical-align: middle;
    display: inline-block;
}

.badge-replacement {
    background-color: #E3F2FD;
    color: #1976D2;
    border: 1px solid #BBDEFB;
}

.badge-canceled {
    background-color: #ECEFF1;
    color: #78909C;
}

/* Status na Grid (Mini Fotos) */
.student-photo-mini.status-canceled {
    border: 2px solid #ef5350;
    /* Red */
    opacity: 0.5;
    filter: grayscale(0.8);
    scale: 0.9;
}

.student-photo-mini.status-replacement {
    border: 2px solid #2196F3;
    /* Blue */
    box-sizing: border-box;
    scale: 1.3;
}

.btn-hard-remove-student {
    background: none;
    border: none;
    color: #d32f2f;
    /* Red darken-2 */
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 8px;
}

.btn-hard-remove-student:hover {
    background-color: #ffebee;
    border-radius: 4px;
}

/* === Badges de Professores no Grid === */
.instructor-badges {
    position: absolute;
    top: 4px;
    left: 4px;
    display: flex;
    gap: 3px;
    z-index: 5;
    opacity: 0.25;
    transition: opacity 0.3s ease;
}

.instructor-badges:hover {
    opacity: 0.9;
    cursor: pointer;
}

.instructor-badge {
    width: 16px;
    height: 16px;
    border-radius: 5px;
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
    cursor: default;
    text-transform: uppercase;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

/* Tamanho menor para células compactas */
.schedule-cell-compact .instructor-badges {
    top: 2px;
    left: 2px;
    gap: 2px;
}

.schedule-cell-compact .instructor-badge {
    width: 18px;
    height: 18px;
    font-size: 0.65rem;
    border-radius: 4px;
}

/* === Seção de Professores no Modal === */
.instructors-section {
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.instructors-section h4 {
    margin: 0 0 12px 0;
    color: var(--color-text-primary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.instructors-section h4 i {
    color: var(--color-accent);
}

.instructors-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
    min-height: 36px;
    padding: 8px;
    background-color: white;
    border-radius: 6px;
    border: 1px dashed #dee2e6;
}

.instructors-list:empty::before {
    content: "Nenhum professor atribuído";
    color: #999;
    font-size: 0.85rem;
    font-style: italic;
}

.instructor-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 20px;
    background-color: #e9ecef;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.2s;
}

.instructor-chip:hover {
    background-color: #dee2e6;
}

.instructor-chip .color-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.instructor-chip .instructor-name {
    color: var(--color-text-primary);
}

.instructor-chip .btn-remove-instructor {
    background: none;
    border: none;
    color: #adb5bd;
    cursor: pointer;
    padding: 0;
    font-size: 0.9rem;
    line-height: 1;
    margin-left: 4px;
    transition: color 0.2s;
}

.instructor-chip .btn-remove-instructor:hover {
    color: #ef5350;
}

.add-instructor-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.add-instructor-row select {
    flex: 1;
    max-width: 250px;
}

.add-instructor-row .btn {
    flex-shrink: 0;
}

/* Limite atingido */
.instructors-section.limit-reached .add-instructor-row {
    opacity: 0.5;
    pointer-events: none;
}

.instructors-section .limit-warning {
    color: #f57c00;
    font-size: 0.8rem;
    margin-top: 8px;
    display: none;
}

.instructors-section.limit-reached .limit-warning {
    display: block;
}