/* --- GERAL --- */
body, html {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f7f6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* --- CABEÇALHO / NAVEGAÇÃO --- */
.header {
    background-color: #fff;
    padding: 15px 30px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid #007bff;
}

.header .logo {
    font-size: 1.5em;
    font-weight: bold;
    color: #007bff;
}

.header .nav a {
    color: #555;
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
}

.header .nav a:hover {
    color: #007bff;
}

.header .nav i {
    margin-right: 5px;
}

/* --- PÁGINAS DE FORMULÁRIO (Login / Cadastro) --- */
.form-container {
    width: 100%;
    max-width: 400px;
    margin: 50px auto;
    padding: 30px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.form-container h2 {
    text-align: center;
    color: #333;
    margin-bottom: 25px;
}

.form-container input[type="text"],
.form-container input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box; /* Importante para o padding não quebrar o layout */
}

.form-container button {
    width: 100%;
    padding: 12px;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    color: white;
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.form-container button:hover {
    background-color: #0056b3;
}

.form-container .form-link {
    text-align: center;
    display: block;
    margin-top: 15px;
    color: #007bff;
    text-decoration: none;
}

.form-container .error {
    color: #d9534f;
    background-color: #f2dede;
    border: 1px solid #ebccd1;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    margin-bottom: 15px;
}

/* --- DASHBOARD --- */
.dashboard-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
}

.device-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    padding: 20px;
    width: 320px;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.3s ease;
}

.device-card:hover {
    box-shadow: 0 6px 15px rgba(0,0,0,0.12);
}

.device-card h3 { 
    margin-top: 0;
    color: #007bff;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    font-size: 1.2em;
}

.chart-container {
    width: 220px;
    height: 110px; /* Metade da altura, pois é um semicírculo */
    margin: 15px auto 5px auto;
    position: relative;
    overflow: hidden; /* Garante que o gráfico não vaze */
}

/* O canvas será 220x220, mas mostraremos só a metade de cima */
.chart-container canvas {
    position: absolute;
    top: 0;
    left: 0;
}

.chart-percentage {
    position: absolute;
    bottom: 5px; /* Ajustado para a base do semicírculo */
    left: 50%;
    transform: translateX(-50%);
    font-size: 2.8em;
    font-weight: bold;
    color: #007bff;
}

.device-info { font-size: 0.9em; color: #555; }
.device-info p {
    display: flex;
    align-items: center;
    margin: 8px 0;
}
.device-info i { 
    margin-right: 10px; 
    color: #007bff;
    width: 20px; /* Alinhamento */
    text-align: center;
}

/* --- PÁGINA ADMIN --- */
.admin-container {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
th, td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}
th {
    background-color: #f9f9f9;
    color: #333;
}
tr:nth-child(even) {
    background-color: #fcfcfc;
}
input[type="text"] {
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
button {
    padding: 8px 12px;
    background-color: #28a745;
    border: none;
    color: white;
    border-radius: 4px;
    cursor: pointer;
}
button[name="add_key"] {
    background-color: #007bff;
}

/* --- ADICIONAR ESTE TRECHO --- */

/* --- Status Indicator (Online/Offline) --- */
.device-card h3 {
    display: flex;
    align-items: center;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 10px;
    flex-shrink: 0; /* Impede que o círculo encolha */
}

.status-indicator.online {
    background-color: #28a745;
    box-shadow: 0 0 8px #28a745; /* Efeito "glow" */
}

.status-indicator.offline {
    background-color: #dc3545;
}

/* --- Admin Select Box --- */
.admin-client-view {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    margin-bottom: 25px;
}
.admin-client-view h3 {
    margin-top: 0;
}

.admin-client-view select {
    width: 300px;
    padding: 10px;
    font-size: 1em;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.admin-client-view button {
    padding: 10px 15px;
    font-size: 1em;
    margin-left: 10px;
}

/* --- ADICIONE ESTES ESTILOS AO FINAL DO SEU ARQUIVO --- */

/* --- ADMIN MENU --- */
.admin-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    justify-content: center;
}
.admin-menu-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    width: 250px;
    padding: 20px;
    text-align: center;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    border-bottom: 3px solid #007bff;
}
.admin-menu-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.12);
}
.admin-menu-card i {
    font-size: 3em;
    color: #007bff;
    margin-bottom: 15px;
}
.admin-menu-card h3 {
    color: #007bff;
    margin: 0 0 10px 0;
}
.admin-menu-card p {
    font-size: 0.9em;
    color: #555;
}
.admin-page-title {
    display: flex;
    align-items: center;
    color: #333;
    margin-bottom: 20px;
}
.admin-page-title i {
    font-size: 1.5em;
    margin-right: 15px;
    color: #007bff;
}

/* --- DEVICE CARD (Novos estilos) --- */
.device-card h3 {
    justify-content: space-between; /* Alinha o título e o status */
}
.status-badge {
    font-size: 0.8em;
    font-weight: bold;
    padding: 4px 8px;
    border-radius: 4px;
}
.status-badge.online {
    color: #28a745;
    background: #e9f7ec;
    border: 1px solid #b8e6c3;
}
.status-badge.offline {
    color: #dc3545;
    background: #fdeeee;
    border: 1px solid #f5c6cb;
}

/* --- Caixinha Creme (Informações de Rede) --- */
.device-meta-info {
    background: #fffaf0; /* Fundo creme */
    border: 1px solid #ffe6b3;
    border-radius: 5px;
    padding: 10px;
    margin-top: 15px;
    font-size: 0.85em;
    color: #59482f;
}
.device-meta-info p {
    margin: 5px 0;
    display: flex;
    justify-content: space-between;
}
.device-meta-info p strong {
    color: #333;
}

/* --- ADICIONE/MODIFIQUE ESTES ESTILOS --- */

.card-actions {
    display: flex;
    gap: 10px; /* Espaçamento entre os botões */
    margin-top: 15px;
    border-top: 1px solid #eee;
    padding-top: 15px;
}
.card-actions a, .card-actions form {
    flex: 1; /* Faz todos os botões terem o mesmo tamanho */
}
.card-actions button, .card-actions a.btn {
    width: 100%; /* Faz o link/botão preencher o espaço flex */
    padding: 8px;
    text-align: center;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9em;
    border: none;
    cursor: pointer;
    display: block; /* Garante que o <a> se comporte como botão */
}
.btn-edit {
    background-color: #e9f7ec; /* Fundo verde claro */
    color: #28a745; /* Texto verde */
}
.btn-reset {
    background-color: #fff0e6; /* Fundo laranja claro */
    color: #fd7e14; /* Texto laranja */
}
.btn-delete {
    background-color: #fdeeee; /* Fundo vermelho claro */
    color: #dc3545; /* Texto vermelho */
}