/* assets/css/estilos.css */
:root {
    --primary-color: #0056b3;
    --secondary-color: #00a8e8;
    --background-light: #f4f6f9;
    --text-dark: #333;
    --white: #ffffff;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-light);
    color: var(--text-dark);
}

.login-container {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.login-box {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    width: 350px;
    text-align: center;
}

.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: #2c3e50;
    color: var(--white);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 1.5rem;
    background-color: #1a252f;
    text-align: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li a {
    display: block;
    padding: 1rem 1.5rem;
    color: #ecf0f1;
    text-decoration: none;
    border-bottom: 1px solid #34495e;
}

.sidebar-menu li a:hover {
    background-color: var(--primary-color);
}

.main-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-danger {
    background-color: #e74c3c;
    color: var(--white);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

table th, table td {
    border: 1px solid #dee2e6;
    padding: 0.75rem;
    text-align: left;
}

table th {
    background-color: #e9ecef;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    box-sizing: border-box;
}

.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}
.alert-error {
    background-color: #f8d7da;
    color: #721c24;
}