:root {
    --ink: #f8fafc;
    --paper: #0f172a;
    --navy: #1e3a8a;
    --cyan: #06b6d4;
    --border: #e2e8f0;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background-color: var(--paper);
    color: var(--ink);
    margin: 0;
    line-height: 1.6;
    padding-bottom: 3rem;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
}

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

h1 { color: var(--navy); font-size: 1.5rem; margin:0 0 0.25rem 0; }
.subtitle { margin:0; color:#64748b; font-size:0.9rem; text-transform:uppercase; }

.plate-area {
    margin-bottom: 1.5rem;
}

canvas {
    background: #fff;
    border-radius: 50%;
    max-width: 100%;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.controls {
    background: #fff;
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 8px;
}

input {
    width: 100%;
    padding: 1rem;
    font-size: 1.5rem;
    text-align: center;
    border: 1px solid var(--border);
    border-radius: 6px;
    box-sizing: border-box;
    margin-bottom: 1rem;
}

.btn {
    width: 100%;
    padding: 1rem;
    border-radius: 6px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--navy);
    color: #fff;
}

.hidden { display: none !important; }

.results {
    background: #fff;
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.disclaimer {
    font-size: 0.75rem;
    color: #64748b;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border);
}

/* --- CSS DE REFERÊNCIAS --- */
.references { margin-top: 2rem; padding: 1.5rem; background: rgba(15,23,42,0.05); border-radius: 8px; font-size: 0.9rem; text-align: left; }
.references h3 { margin-top: 0; font-size: 1rem; color: var(--text-primary, #17202a); margin-bottom: 0.5rem; }
.references p { margin-bottom: 1rem; color: var(--text-secondary, #475569); }
.references ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.references li { margin-bottom: 0.5rem; color: var(--text-secondary, #475569); }
.references a { color: #0ea5e9; text-decoration: none; font-weight: bold; }
.references .disclaimer { margin-top: 1rem; font-style: italic; color: #64748b; font-size: 0.85rem; border-top: 1px solid rgba(0,0,0,0.1); padding-top: 0.8rem; }
html[data-theme="day"]{--bg:#ffffff!important;--bg-color:#ffffff!important;--paper:#ffffff!important;--text-primary:#1a1a1a!important;--ink:#1a1a1a!important;--ink-light:#475569!important;--text-secondary:#475569!important;--card-bg:rgba(0,0,0,0.04)!important;--border:rgba(0,0,0,0.1)!important}
html[data-theme="night"]{--text-primary:#f8fafc!important;--text-secondary:#cbd5e1!important;--ink:#f8fafc!important;--ink-light:#cbd5e1!important;--border:rgba(255,255,255,0.14)!important;--card-bg:rgba(255,255,255,0.04)!important}html[data-theme="night"] body,html[data-theme="night"] p,html[data-theme="night"] li,html[data-theme="night"] dd{color:#f8fafc}html[data-theme="night"] .references .disclaimer{border-top-color:rgba(255,255,255,0.1)!important;color:#94a3b8!important}
html[data-theme="night"] .calculator,html[data-theme="night"] .stat-card,html[data-theme="night"] .references,html[data-theme="night"] .math-dropdown,html[data-theme="night"] details,html[data-theme="night"] .faq-section details,html[data-theme="night"] .polar-wrapper,html[data-theme="night"] .container,html[data-theme="night"] .card,html[data-theme="night"] .section{background:rgba(255,255,255,0.04)!important;border-color:rgba(255,255,255,0.12)!important;color:#f8fafc!important;box-shadow:none!important}html[data-theme="night"] .math-dropdown summary{background:rgba(246,184,75,0.12)!important;color:#f8fafc!important}html[data-theme="night"] .math-content,html[data-theme="night"] .math-content em{color:#cbd5e1!important}html[data-theme="night"] .stat-card label,html[data-theme="night"] .stat-card small{color:#cbd5e1!important}html[data-theme="night"] .references{background:rgba(255,255,255,0.06)!important}html[data-theme="night"] input,html[data-theme="night"] select,html[data-theme="night"] textarea{background:rgba(255,255,255,0.06)!important;color:#f8fafc!important;border-color:rgba(255,255,255,0.18)!important}html[data-theme="night"] button:not(#dr-theme-toggle):not(.theme-toggle-btn){color:inherit}html[data-theme="night"] .references .disclaimer{border-top-color:rgba(255,255,255,0.1)!important;color:#94a3b8!important}
/* NIGHT_BROAD_v2 */
html[data-theme="night"] .calculator,html[data-theme="night"] .dashboard,html[data-theme="night"] .stat-card,html[data-theme="night"] .stat-box,html[data-theme="night"] .eye-card,html[data-theme="night"] .description-card,html[data-theme="night"] .visual-comparison,html[data-theme="night"] .interpretation,html[data-theme="night"] .math-dropdown,html[data-theme="night"] .references,html[data-theme="night"] details,html[data-theme="night"] .faq-section details,html[data-theme="night"] table,html[data-theme="night"] .protocol-table,html[data-theme="night"] .polar-wrapper,html[data-theme="night"] .dial-container,html[data-theme="night"] .container,html[data-theme="night"] .card,html[data-theme="night"] .section,html[data-theme="night"] .panel,html[data-theme="night"] .result-box,html[data-theme="night"] .info-box{background:rgba(255,255,255,0.04)!important;border-color:rgba(255,255,255,0.12)!important;color:#f8fafc!important}html[data-theme="night"] .btn-s{background:rgba(255,255,255,0.06)!important;color:#f8fafc!important;border-color:rgba(255,255,255,0.18)!important}html[data-theme="night"] .btn-s:hover{background:rgba(246,184,75,0.15)!important;border-color:#f6b84b!important}html[data-theme="night"] th,html[data-theme="night"] td{color:#f8fafc!important;border-color:rgba(255,255,255,0.12)!important}html[data-theme="night"] thead{background:rgba(255,255,255,0.06)!important}