:root {
    --ink: #17202a;
    --paper: #fffdf7;
    --mango: #f6b84b;
    --border: #e2e8f0;
    --muted: #475569;
    --error: #e11d48;
}

[data-theme="dark"] {
    --ink: #fffdf7;
    --paper: #17202a;
    --border: rgba(255, 253, 247, 0.15);
    --muted: rgba(255, 253, 247, 0.7);
}
[data-theme="dim"] {
    --ink: #fffdf7;
    --paper: #1e3a8a;
    --mango: #2bae9a;
    --border: rgba(255, 253, 247, 0.2);
    --muted: rgba(255, 253, 247, 0.78);
}
[data-theme="black"] {
    --ink: #fffdf7;
    --paper: #000000;
    --border: rgba(255, 253, 247, 0.18);
    --muted: rgba(255, 253, 247, 0.7);
}

body {
    font-family: Georgia, 'Times New Roman', serif;
    background-color: var(--paper);
    color: var(--ink);
    margin: 0;
    line-height: 1.6;
}

label, input, select, button, .faixa, .disclaimer-alert {
    font-family: system-ui, -apple-system, sans-serif;
}

.site-wrapper {
    max-width: 650px;
    margin: 0 auto;
    padding: 0 1rem 3rem 1rem;
}

.header {
    padding: 1.5rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-family: Georgia, serif;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo .accent {
    color: var(--mango);
}

.intro h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.intro p {
    color: var(--muted);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.disclaimer-alert {
    background: rgba(246, 184, 75, 0.15);
    border-left: 4px solid var(--mango);
    padding: 1rem;
    border-radius: 0 6px 6px 0;
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.card {
    background: var(--paper);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.full-width {
    grid-column: 1 / -1;
}

label {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

input, select {
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--paper);
    color: var(--ink);
    font-size: 1rem;
}

input:focus, select:focus {
    outline: 2px solid var(--mango);
    border-color: transparent;
}

.btn {
    width: 100%;
    padding: 1rem;
    background: var(--ink);
    color: var(--paper);
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 1.5rem;
    cursor: pointer;
}

.btn:hover {
    opacity: 0.9;
}

.hidden { display: none !important; }

.error {
    color: var(--error);
    font-size: 0.9rem;
    margin-top: 1rem;
    font-weight: 600;
}

.results {
    margin-top: 2rem;
}

.result-header {
    text-align: center;
    margin-bottom: 2rem;
}

.result-header h2 {
    font-size: 2.5rem;
    margin: 0;
}

.faixa {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.context-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.context-card {
    background: var(--paper);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    border-left: 4px solid var(--ink);
}

.context-card h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.context-card.limitations {
    border-left-color: var(--mango);
    background: rgba(246, 184, 75, 0.05);
}

.context-card.cintura-card {
    border-left-color: #16a34a;
    background: rgba(34, 197, 94, 0.08);
}
.context-card.cintura-card h3 {
    color: #16a34a;
}
.context-card.cintura-card.risco {
    border-left-color: #d97706;
    background: rgba(246, 184, 75, 0.1);
}
.context-card.cintura-card.risco h3 {
    color: #d97706;
}

.context-card ul {
    padding-left: 1.5rem;
    margin-bottom: 0;
}

.cintura-context {
    font-size: 0.95rem;
    margin: 0;
}

@media (max-width: 480px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* --- CSS DE REFERÊNCIAS --- */
.references { margin-top: 2rem; padding: 1.5rem; background: var(--paper-alt, rgba(15,23,42,0.05)); border: 1px solid var(--border); border-radius: 8px; font-size: 0.9rem; text-align: left; color: var(--ink); }
.references h3 { margin-top: 0; font-size: 1rem; color: var(--ink); margin-bottom: 0.5rem; }
.references p { margin-bottom: 1rem; color: var(--muted); }
.references ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.references li { margin-bottom: 0.5rem; color: var(--muted); }
.references a { color: var(--mango); text-decoration: none; font-weight: bold; }
.references .disclaimer { margin-top: 1rem; font-style: italic; color: var(--muted); font-size: 0.85rem; border-top: 1px solid var(--border); padding-top: 0.8rem; }