:root {
    --cama-musgo: #4A5D23;
    --cama-verde-claro: #8A9A5B;
    --cama-verde-hover: #3C4B1C;
    --cama-fundo: #F4F7F6;
    --cama-texto: #333333;
    --cama-texto-secundario: #666666;
    --cama-branco: #FFFFFF;
    --cama-borda: #E0E0E0;
    --cama-erro: #D32F2F;
    --cama-sucesso: #388E3C;
    --font-principal: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --border-radius-card: 12px;
    --border-radius-btn: 8px;
    --shadow-sm: 0 2px 8px rgba(74, 93, 35, 0.08);
    --shadow-md: 0 4px 12px rgba(74, 93, 35, 0.12);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-principal);
    background-color: var(--cama-fundo);
    color: var(--cama-texto);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--cama-musgo);
    margin-bottom: 1rem;
}

a {
    color: var(--cama-musgo);
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: var(--cama-verde-hover);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius-btn);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    text-align: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--cama-musgo);
    color: var(--cama-branco);
}

.btn-primary:hover {
    background-color: var(--cama-verde-hover);
    color: var(--cama-branco);
}

.btn-outline {
    background-color: transparent;
    color: var(--cama-musgo);
    border: 1px solid var(--cama-musgo);
}

.btn-outline:hover {
    background-color: var(--cama-musgo);
    color: var(--cama-branco);
}

.btn-block {
    width: 100%;
}

.card {
    background-color: var(--cama-branco);
    border-radius: var(--border-radius-card);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    border: 1px solid var(--cama-borda);
    transition: box-shadow 0.2s ease-in-out;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.25rem;
    text-align: left;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--cama-texto);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--cama-borda);
    border-radius: var(--border-radius-btn);
    background-color: var(--cama-branco);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--cama-musgo);
    box-shadow: 0 0 0 3px rgba(74, 93, 35, 0.1);
}

.alert {
    padding: 1rem;
    border-radius: var(--border-radius-btn);
    margin-bottom: 1.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: left;
}

.alert-danger {
    background-color: #fdecea;
    color: var(--cama-erro);
    border: 1px solid #f5c6cb;
}

.alert-success {
    background-color: #e8f5e9;
    color: var(--cama-sucesso);
    border: 1px solid #c8e6c9;
}

.app-container {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

.main-content {
    flex: 1;
    padding: 2rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .main-content {
        padding: 1rem 0;
    }
}