/*
 * Estilo Moderno e Profissional para o Sistema de Gestão de Postes (SGP)
 * Baseado em um design limpo e responsivo, adequado para apresentação comercial.
 */

:root {
    --primary-color: #007bff; /* Azul Institucional */
    --secondary-color: #6c757d; /* Cinza Secundário */
    --success-color: #28a745; /* Verde Sucesso */
    --danger-color: #dc3545; /* Vermelho Perigo */
    --warning-color: #ffc107; /* Amarelo Aviso */
    --info-color: #17a2b8; /* Ciano Informação */
    --light-bg: #f8f9fa; /* Fundo Claro */
    --dark-text: #343a40; /* Texto Escuro */
    --light-text: #ffffff; /* Texto Claro */
    --border-color: #dee2e6; /* Cor da Borda */
    --card-bg: #ffffff; /* Fundo do Card */
    --header-bg: #0056b3; /* Azul mais escuro para o cabeçalho */
}

/* --- Reset e Base --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* --- Layout Principal --- */
#wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

#main-header {
    background-color: var(--header-bg);
    color: var(--light-text);
    padding: 15px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

#main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

#main-header h1 {
    font-size: 1.8rem;
    margin: 0;
    font-weight: 700;
}

#main-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
}

#main-nav ul li {
    margin-left: 25px;
}

#main-nav ul li a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
}

#main-nav ul li a:hover {
    color: var(--warning-color);
    border-bottom: 2px solid var(--warning-color);
}

#content {
    flex: 1;
    padding: 30px 0;
}

#main-footer {
    background-color: var(--dark-text);
    color: var(--light-text);
    text-align: center;
    padding: 15px 0;
    font-size: 0.9rem;
}

/* --- Cards e Componentes --- */
.card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    font-size: 1.4rem;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.content-header h2 {
    color: var(--dark-text);
    font-size: 2rem;
    font-weight: 300;
}

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

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--dark-text);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="date"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
    outline: none;
}

.help-block {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 5px;
    display: block;
}

/* --- Botões --- */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background-color 0.2s, opacity 0.2s, transform 0.1s;
    text-align: center;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--light-text);
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-success {
    background-color: var(--success-color);
    color: var(--light-text);
}

.btn-success:hover {
    background-color: #1e7e34;
}

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

.btn-danger:hover {
    background-color: #bd2130;
}

.btn-warning {
    background-color: var(--warning-color);
    color: var(--dark-text);
}

.btn-warning:hover {
    background-color: #e0a800;
}

.btn-info {
    background-color: var(--info-color);
    color: var(--light-text);
}

.btn-info:hover {
    background-color: #117a8b;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--light-text);
}

.btn-secondary:hover {
    background-color: #545b62;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.875rem;
}

/* --- Alertas --- */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-weight: 500;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

/* --- Tabelas de Dados --- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.data-table th, .data-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: var(--primary-color);
    color: var(--light-text);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.data-table tbody tr:nth-child(even) {
    background-color: var(--light-bg);
}

.data-table tbody tr:hover {
    background-color: #e9ecef;
}

/* --- Dashboard --- */
.dashboard-content h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.stats-cards {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.stats-cards .card {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 30px 20px;
    border-left: 5px solid var(--primary-color);
}

.stats-cards .card h3 {
    font-size: 1rem;
    color: var(--secondary-color);
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 10px;
}

.stats-cards .card .number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.quick-links ul {
    list-style: none;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.quick-links ul li a {
    padding: 12px 25px;
}

/* --- Login Page --- */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--light-bg);
}

.login-container {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.login-container h2 {
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 2rem;
}

.login-container h3 {
    color: var(--secondary-color);
    margin-bottom: 30px;
    font-size: 1.2rem;
    font-weight: 400;
}

.login-container .btn-primary {
    width: 100%;
    padding: 12px;
}

/* --- QR Code Page --- */
.qr-card {
    text-align: center;
}

.qr-code-container {
    margin: 30px auto;
    padding: 20px;
    border: 1px solid var(--border-color);
    display: inline-block;
    border-radius: 8px;
    background-color: #fff;
}

.qr-code-image {
    display: block;
    max-width: 100%;
    height: auto;
}

.qr-details input[type="text"] {
    text-align: center;
    margin-bottom: 15px;
}

/* --- Responsividade --- */
@media (max-width: 768px) {
    #main-header .container {
        flex-direction: column;
        text-align: center;
    }

    #main-header h1 {
        margin-bottom: 10px;
    }

    #main-nav ul {
        justify-content: center;
    }

    #main-nav ul li {
        margin: 0 10px 5px 10px;
    }

    .stats-cards {
        flex-direction: column;
    }

    .quick-links ul {
        flex-direction: column;
    }

    .quick-links ul li a {
        display: block;
    }
    
    .content-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .content-header a.btn {
        margin-top: 15px;
        width: 100%;
    }
}