/* Variáveis de cores */
:root {
    --primary: #1a237e;
    --primary-dark: #131720;
    --primary-light: #534bae;
    --secondary: #1976d2;
    --text: #e0e0e0;
    --text-light: #f5f5f5;
    --text-dark: #b0b0b0;
    --bg: #131720;
    --bg-light: #151f30;
    --bg-dark: #0a0a0a;
    --success: #4caf50;
    --error: #f44336;
    --warning: #ff9800;
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: var(--secondary);
}

/* Layout */
.sidebar {
    width: 250px;
    height: 100vh;
    background-color: var(--primary-dark);
    position: fixed;
    left: 0;
    top: 0;
    padding: 20px 0;
    border-right: 1px solid rgba(47, 128, 237, 0.1);
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    color: var(--text-light);
    font-size: 1.5rem;
}

.sidebar-header h2 span {
    color: var(--secondary);
}

.sidebar-nav {
    padding: 20px 0;
}

.sidebar-nav a {
    display: block;
    padding: 10px 20px;
    color: var(--text-dark);
    transition: all 0.3s;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border-left: 3px solid var(--secondary);
}

.sidebar-nav i {
    margin-right: 10px;
}

.main-content {
    margin-left: 250px;
    min-height: 100vh;
}

.header {
    background-color: var(--bg-light);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.user-info {
    display: flex;
    align-items: center;
}

.content {
    padding: 20px;
}

/* Cards */
.card {
    background-color: var(--bg-light);
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.card-header {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.card-header h3 {
    font-size: 1.2rem;
}

.card-body {
    padding: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-light);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    background-color: var(--bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--text);
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--secondary);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

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

.actions {
    display: flex;
    gap: 5px;
}

.btn-action {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-edit {
    background-color: var(--warning);
    color: white;
    border: none;
}

.btn-delete {
    background-color: var(--error);
    color: white;
    border: none;
}

.btn-action:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

.btn-action i {
    font-size: 14px;
}

/* Tabelas */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.table th {
    background-color: var(--primary-dark);
    color: var(--text-light);
}

.table tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.actions {
    white-space: nowrap;
}

/* Alertas */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.alert.success {
    background-color: rgba(76, 175, 80, 0.2);
    border-left: 4px solid var(--success);
    color: var(--text-light);
}

.alert.error {
    background-color: rgba(244, 67, 54, 0.2);
    border-left: 4px solid var(--error);
    color: var(--text-light);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
    background-color: var(--bg-light);
    margin: 5% auto;
    padding: 20px;
    width: 50%;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.close-modal {
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-modal:hover {
    color: var(--secondary);
}

/* Página de Login */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--primary-dark);
}

.login-container {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 5px;
    width: 400px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: var(--text-light);
    font-size: 2rem;
}

.login-header h1 span {
    color: var(--secondary);
}

.login-header p {
    color: var(--text-dark);
}

/* Responsividade */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .main-content {
        margin-left: 0;
    }

    .form-row {
        flex-direction: column;
    }

    .modal-content {
        width: 90%;
    }
}