:root {
    --primary-color: #00d1b2; /* Verde/Ciano do site */
    --bg-dark: #121212;
    --bg-card: #1e1e1e;
    --text-white: #ffffff;
    --text-gray: #b0b0b0;
    --border-color: #333333;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.logo-container img {
    max-width: 150px;
    border-radius: 5px;
}

.nav-menu {
    list-style: none;
}

.nav-item {
    margin-bottom: 10px;
}

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    display: block;
    padding: 12px 15px;
    border-radius: 5px;
    transition: 0.3s;
}

.nav-link:hover, .nav-link.active {
    background-color: var(--primary-color);
    color: var(--bg-dark);
    font-weight: bold;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

h1, h2, h3 {
    color: var(--primary-color);
}

/* Dashboard Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background-color: var(--bg-card);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.card h3 {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 10px;
}

.card .value {
    font-size: 1.5rem;
    font-weight: bold;
}

/* Forms */
.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-gray);
}

input, select, textarea {
    width: 100%;
    padding: 10px;
    background-color: #2a2a2a;
    border: 1px solid var(--border-color);
    color: white;
    border-radius: 4px;
}

input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--bg-dark);
}

.btn-primary:hover {
    filter: brightness(1.2);
}

.btn-secondary {
    background-color: #444;
    color: white;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background-color: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #252525;
    color: var(--primary-color);
}

tr:hover {
    background-color: #2a2a2a;
}

.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.badge-success { background-color: var(--success-color); color: white; }
.badge-warning { background-color: var(--warning-color); color: black; }
.badge-danger { background-color: var(--danger-color); color: white; }

/* Modal / Sections */
.section-container {
    background-color: var(--bg-card);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
}