/* --- GOOGLE FONT --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

/* --- VARIÁVEIS DE COR --- */
:root {
    --orange: #ff6600;
    --orange-dark: #e65c00;
    --dark-bg: #121212;
    --card-bg: #1e1e1e;
    --border-color: #2c2c2c;
    --text-primary: #ffffff;
    --text-secondary: #a7a7a7;
    --danger: #e74c3c;
    --danger-dark: #c0392b;
    --success: #2ecc71;
    --warning: #f1c40f;
}

/* --- ESTILOS GLOBAIS --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 960px;
    margin: 2.5rem auto;
    padding: 0 1.5rem;
}

h1, h2, h3, h4 {
    color: var(--text-primary);
    font-weight: 600;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; border-bottom: 2px solid var(--orange); padding-bottom: 0.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 1.5rem; }

/* --- BOTÕES --- */
.btn {
    background-color: var(--orange);
    color: var(--text-primary);
    border: none;
    padding: 10px 22px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s ease-in-out;
    border: 2px solid transparent;
}

.btn:hover {
    background-color: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
    border-color: var(--border-color);
    color: var(--text-primary);
}

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

.btn-danger:hover {
    background-color: var(--danger-dark);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--orange);
    color: var(--orange);
}

.btn-outline:hover {
    background-color: var(--orange);
    color: var(--text-primary);
}


/* --- FORMULÁRIOS --- */
.input-group {
    margin-bottom: 1.25rem;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.2s ease;
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--orange);
}

/* --- MENSAGENS --- */
.error-message {
    color: var(--danger);
    margin-top: 1rem;
    font-size: 0.9rem;
    height: 1rem;
}

.success-message {
    color: var(--success);
    margin-top: 1rem;
    font-size: 0.9rem;
    height: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* --- PÁGINA DE LOGIN --- */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-box {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    width: 100%;
    max-width: 420px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.login-logo-main {
    max-width: 80px;
    margin-bottom: 0.5rem; 
}

.login-logo-sub {
    max-width: 160px;
    margin-bottom: 2rem;
}

/* --- HEADER --- */
header {
    background-color: var(--card-bg);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}
.header-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.header-logo img {
    height: 30px;
}
.header-logo h1 {
    color: var(--orange);
    margin: 0;
    font-size: 1.5rem;
}
header div {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* --- DASHBOARD & LISTAS --- */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap; 
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.search-container {
    flex-grow: 1; 
    display: flex;
    min-width: 250px;
}
#search-bar {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: 'Poppins', sans-serif;
    transition: all 0.2s ease;
}
#search-bar:focus {
    outline: none;
    border-color: var(--orange);
    box-shadow: 0 0 10px rgba(255, 102, 0, 0.2);
}
.client-list {
    display: grid;
    gap: 1rem;
}
.client-card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease-in-out;
}
.client-card:hover {
    transform: translateY(-4px);
    border-color: var(--orange);
}
.client-card .info h3 {
    margin: 0 0 5px 0;
    font-weight: 600;
}
.client-card .info p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.9rem;
}
.client-card .actions {
    display: flex;
    gap: 0.75rem;
    width: 100%;
}
.client-card .actions a, .client-card .actions button {
    flex-grow: 1;
    text-align: center;
}

/* --- PÁGINA DE TREINO & EXERCÍCIOS & PERFIL --- */
.card-section {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}
#client-header, #client-profile-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}
#client-header p {
    color: var(--text-secondary);
    margin-top: 5px;
}
#client-header p strong {
    color: var(--text-primary);
    font-weight: 500;
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}
.exercise-list {
    overflow-x: auto; /* Permite rolagem horizontal em tabelas */
}
.exercise-list table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
    min-width: 600px; /* Força a rolagem em telas muito pequenas */
}
.exercise-list th, .exercise-list td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    vertical-align: middle;
    font-size: 0.9rem;
}
.exercise-list th {
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 500;
}

/* --- MODAL --- */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.8);
    animation: fadeIn 0.3s ease;
    padding-top: 5vh;
}
.modal-content {
    background-color: var(--card-bg);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    position: relative;
    border: 1px solid var(--border-color);
    animation: slideIn 0.4s ease;
}
.close-button {
    color: var(--text-secondary);
    position: absolute;
    top: 0.75rem;
    right: 1.25rem;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s ease;
}
.close-button:hover {
    color: var(--text-primary);
}

/* --- SISTEMA DE ABAS (TABS) --- */
.tabs-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: -1px;
    overflow-x: auto; /* Permite rolagem horizontal das abas */
    padding-bottom: 5px; /* Evita que a sombra da rolagem corte as abas */
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}
.tabs-nav::-webkit-scrollbar {
    display: none; /* Chrome, Safari and Opera */
}
.tab-link {
    padding: 10px 15px;
    cursor: pointer;
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-radius: 8px 8px 0 0;
    background-color: var(--dark-bg);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap; /* Impede que o texto da aba quebre */
}
.tab-link.active {
    background-color: var(--card-bg);
    color: var(--orange);
    border-color: var(--border-color);
    border-bottom: 1px solid var(--card-bg);
}
#workout-content {
    margin-top: 0;
    border-top-left-radius: 0;
}

/* --- ZONA DE PERIGO (PÁGINA DE PERFIL) --- */
.danger-zone {
    border: 2px solid var(--danger);
    border-radius: 12px;
    margin-top: 2.5rem;
}
.danger-zone h3 {
    padding: 1rem 1.5rem;
    background-color: var(--danger);
    color: var(--text-primary);
    border-radius: 9px 9px 0 0;
    margin: 0;
    font-size: 1.2rem;
}
.danger-zone-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}
.danger-zone-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* --- ÍCONE DE ALERTA E TOOLTIP --- */
.alert-icon {
    position: relative;
    display: inline-block;
    cursor: help;
}
.alert-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--warning);
    animation: pulse 2s infinite ease-in-out;
}
.alert-icon .tooltip {
    visibility: hidden;
    width: 200px;
    background-color: #2a2a2a;
    color: var(--text-primary);
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 135%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    border: 1px solid var(--border-color);
    font-size: 0.8rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}
.alert-icon:hover .tooltip {
    visibility: visible;
    opacity: 1;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideIn {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* --- MEDIA QUERIES PARA RESPONSIVIDADE --- */

/* Telas de Tablet (até 768px) */
@media (min-width: 768px) {
    .client-card {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    .client-card .actions {
        width: auto;
    }
    .form-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    .danger-zone-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 2rem;
    }
    .login-box {
        padding: 3rem;
    }
    .card-section {
        padding: 2rem;
    }
}

/* Telas de Celular (até 600px) */
@media (max-width: 600px) {
    .container {
        margin-top: 1.5rem;
        padding: 0 1rem;
    }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    header {
        justify-content: center;
    }
    .header-logo {
        margin-bottom: 0.5rem;
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    #add-client-button {
        width: 100%;
    }
    
    .btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }

    .modal-content {
        padding: 1.5rem;
    }
    
    .danger-zone-content p {
        margin-bottom: 1rem;
    }
}

/* --- ESTILOS PARA BUSCA DE EXERCÍCIO --- */
.exercise-search-results {
    border: 2px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 8px 8px;
    background-color: var(--dark-bg);
    max-height: 200px;
    overflow-y: auto;
    display: none; /* Começa escondido */
}

.exercise-search-results .result-item {
    padding: 12px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.exercise-search-results .result-item:hover {
    background-color: var(--border-color);
}

.exercise-search-results .result-item:last-child {
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
}