/* Variáveis de cor */
:root {
    --preto-principal: #0a0a0a;
    --preto-secundario: #1a1a1a;
    --amarelo-principal: #ffd700;
    --amarelo-hover: #ffed4e;
    --cinza-claro: #f5f5f5;
    --cinza-texto: #666;
    --branco: #ffffff;
    --vermelho: #dc3545;
    --verde: #28a745;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--preto-principal);
    color: var(--branco);
    line-height: 1.6;
}

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

/* Tela de login */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    background: var(--preto-secundario);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    width: 100%;
    max-width: 400px;
    border: 2px solid var(--amarelo-principal);
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--amarelo-principal);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background: var(--preto-principal);
    border: 1px solid #333;
    border-radius: 5px;
    color: var(--branco);
    font-size: 16px;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--amarelo-principal);
    box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
}

/* Botões */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--amarelo-principal);
    color: var(--preto-principal);
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.btn:hover {
    background: var(--amarelo-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

/* Dashboard layout */
.dashboard {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background: var(--preto-secundario);
    padding: 20px 0;
    border-right: 1px solid #333;
}

.main-content {
    flex: 1;
    padding: 30px;
    background: var(--preto-principal);
}

/* Menu lateral */
.menu-item {
    display: block;
    padding: 15px 25px;
    color: var(--branco);
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.menu-item:hover {
    background: var(--preto-principal);
    border-left-color: var(--amarelo-principal);
    color: var(--amarelo-principal);
}

.menu-item.active {
    background: var(--preto-principal);
    border-left-color: var(--amarelo-principal);
    color: var(--amarelo-principal);
}

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

.table th {
    background: var(--amarelo-principal);
    color: var(--preto-principal);
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.table td {
    padding: 12px;
    border-bottom: 1px solid #333;
}

.table tr:hover {
    background: var(--preto-secundario);
}

/* Cards */
.card {
    background: var(--preto-secundario);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    border: 1px solid #333;
}

.card-title {
    color: var(--amarelo-principal);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* Responsividade */
@media (max-width: 768px) {
    .dashboard {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #333;
    }
}