/* Cores principais baseadas nos arquivos fornecidos */
:root {
    --primary-color: #3f4a56; /* Azul escuro/Cinza do logo FATEC */
    --secondary-color: #cd0e29; /* Vermelho da logo IssamiDojo */
    --accent-color: #a48c49; /* Dourado/Amarelo da logo IssamiDojo */
    --background-color: #f4f7f6; /* Fundo claro */
    --text-color: #333;
    --success-color: #28a745;
    --warning-color: #dc3545;
}

/* --- Estilos Gerais --- */
body {
    font-family: sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
}

.hidden {
    display: none !important;
}

/* --- Estilos da Tela de Login --- */
#login-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    background-color: #fff; /* Fundo branco para a tela de login */
}

.logo-login {
    width: 250px;
    margin-bottom: 20px;
}

.login-box {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 300px;
    margin-top: 20px;
}

.login-box input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.login-box button {
    width: 100%;
    background-color: var(--secondary-color);
    color: white;
    padding: 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
    transition: background-color 0.3s;
}

.login-box button:hover {
    background-color: #a30b20;
}

/* --- Estilos do Dashboard --- */
.dashboard {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo-header {
    width: 50px;
    height: 50px;
}

header nav button {
    background-color: transparent;
    color: white;
    border: none;
    padding: 10px 15px;
    margin-left: 5px;
    cursor: pointer;
    font-size: 14px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

header nav button:hover {
    background-color: var(--secondary-color);
}

main, section {
    padding: 20px;
    margin: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* --- Estilos de Seções de Conteúdo --- */
.content-section h2 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* Cards de KPIs (Key Performance Indicators) */
.kpis {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.kpi-card {
    flex: 1;
    background-color: var(--background-color);
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    border-left: 5px solid var(--accent-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.kpi-card h3 {
    margin-top: 0;
    color: var(--primary-color);
    font-size: 16px;
}

.kpi-card p {
    font-size: 24px;
    font-weight: bold;
    margin: 5px 0 0 0;
}

.success {
    color: var(--success-color);
}

.warning {
    color: var(--warning-color);
}

/* Estilos de Botões de Ação */
.action-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    margin-right: 10px;
    margin-bottom: 20px;
    transition: background-color 0.3s;
}

.action-btn:hover {
    background-color: #a30b20;
}

.action-btn-small {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    margin-right: 5px;
    transition: background-color 0.3s;
}

.action-btn-small:hover {
    background-color: #2e363f;
}

/* Estilos de Exemplo de Funcionalidade */
.example-box {
    border: 1px dashed #ccc;
    padding: 15px;
    border-radius: 4px;
    margin-top: 15px;
}

.example-box h3 {
    color: var(--accent-color);
    margin-top: 0;
    font-size: 18px;
}

.example-text {
    font-style: italic;
    font-size: 12px;
    color: #666;
    margin-top: 10px;
}

.stock-info {
    font-weight: bold;
    color: var(--warning-color);
}

.ok {
    color: green;
}