:root {
    --bg-color: #ffffff;
    --text-color: #334155;
    --accent-color: #0284c7; 
    --accent-hover: #0369a1;
    --border-color: #cbd5e1;
    --card-bg: #ffffff;
}



* { box-sizing: border-box; }

body {
    font-family: system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 2rem 1rem;
    line-height: 1.6;
}

.app-container {
    max-width: 900px;
    margin: 0 auto;
}

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

.header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
    font-weight: 700;
}

.header p {
    font-size: 1.1rem;
    max-width: 750px;
    margin: 0 auto;
    opacity: 0.9;
}

.simulator-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.slider-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
    background: #0f172a;
}

@media (min-width: 768px) {
    .slider-container {
        aspect-ratio: 16/9;
    }
}

.scene {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    user-select: none;
}

.city-scene {
    width: 100%;
    height: 100%;
    display: block;
    transition: filter 0.3s ease;
    
    /* Variaveis Padrão (Noite) */
    --svg-sky: #0f172a;
    --svg-sun-moon: #e2e8f0;
    --svg-building: #1e293b;
    --svg-road: #334155;
    --svg-headlight: #ffffff;
    --svg-dashboard: #1e293b;
    --svg-speedometer: #0f172a;
    --svg-window: #fde047;
    --svg-window-glow: rgba(253, 224, 71, 0.6);
    --svg-celestial-glow: rgba(226, 232, 240, 0.5);
    --svg-headlight-glow: rgba(255, 255, 255, 0.8);
}

body.theme-day .city-scene {
    /* Variaveis Modo Dia */
    --svg-sky: #7dd3fc;
    --svg-sun-moon: #fef08a; /* Sol */
    --svg-building: #94a3b8;
    --svg-road: #64748b;
    --svg-headlight: #f8fafc; /* Faróis desligados */
    --svg-dashboard: #334155;
    --svg-speedometer: #1e293b;
    --svg-window: #ffffff;
    --svg-window-glow: transparent;
    --svg-celestial-glow: rgba(254, 240, 138, 0.8);
    --svg-headlight-glow: transparent;
}

.disclaimer {
    font-size: 0.85rem !important;
    color: #64748b !important;
    margin-top: 1rem !important;
}

/* Efeitos de Glow SVG */
.glowing-window { filter: drop-shadow(0 0 var(--light-blur-radius, 8px) var(--svg-window-glow)); transition: filter 0.3s; }
.glowing-celestial { filter: drop-shadow(0 0 calc(var(--light-blur-radius, 15px) + 10px) var(--svg-celestial-glow)); transition: filter 0.3s; }
.glowing-headlight { filter: drop-shadow(0 0 var(--light-blur-radius, 15px) var(--svg-headlight-glow)); transition: filter 0.3s; }

/* Astigmatism Directional Streaks */
.astig-glare-item {
    transform-box: fill-box;
    transform-origin: center;
    transform: rotate(var(--astig-deg, 0deg)) scaleX(var(--astig-scale, 1)) scaleY(1);
    opacity: 0.6;
    filter: blur(4px);
    transition: transform 0.3s, opacity 0.3s;
}

/* Custom Slider for Astigmatism */
.astig-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: #cbd5e1;
    border-radius: 4px;
    outline: none;
    transition: background 0.3s;
}
.astig-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #0ea5e9;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0,0,0,0.3);
}
body.theme-night .astig-slider {
    background: #334155;
}

.time-toggle-wrapper {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 0.5rem;
}

.btn-toggle {
    background: var(--accent-color);
    color: #fff;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.btn-toggle:hover {
    background: var(--accent-hover);
}

/* Camadas separadas no SVG para desfoque independente */
.layer-longe, .layer-inter, .layer-perto {
    transition: filter 0.4s ease;
}

/* O Segredo da Catarata */
.cataract-filter {
    filter: url(#cataract-glare) sepia(0.35) blur(2.5px) contrast(0.85) brightness(0.95);
}

.scene-label {
    position: absolute;
    top: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(15, 23, 42, 0.7);
    color: #f8fafc;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 10;
    pointer-events: none;
    backdrop-filter: blur(4px);
}

.label-after { right: 1rem; }
.label-before { left: 1rem; }

.before-surgery {
    clip-path: inset(0 50% 0 0);
    z-index: 5;
}

.split-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: ew-resize;
    z-index: 20;
    -webkit-appearance: none;
}

.split-slider:focus-visible ~ .slider-thumb-visual {
    outline: 3px solid var(--accent-hover);
    outline-offset: 4px;
}

.slider-thumb-visual {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background-color: #ffffff;
    transform: translateX(-50%);
    z-index: 15;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 10px rgba(0,0,0,0.4);
}

.slider-thumb-visual::after {
    content: '';
    position: absolute;
    width: 44px;
    height: 44px;
    background-color: var(--accent-color);
    border: 3px solid #ffffff;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.slider-thumb-visual svg {
    position: absolute;
    color: #ffffff;
    z-index: 16;
    width: 20px;
    height: 20px;
}

.slider-thumb-visual svg:first-child { transform: translateX(-10px); }
.slider-thumb-visual svg:last-child { transform: translateX(10px); }

/* Painel de LIOs */
.iol-controls {
    background: var(--card-bg);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.iol-controls h2 {
    margin-top: 0;
    font-size: 1.3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.iol-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 650px) {
    .iol-grid { grid-template-columns: 1fr; gap: 1.5rem; }
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.iol-option-wrapper {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    transition: all 0.3s;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.iol-option-wrapper:has(input:checked) {
    border-color: var(--accent-color);
    background: rgba(14, 165, 233, 0.05);
}

.iol-option-wrapper:has(input[type="radio"]:checked) {
    accent-color: #0ea5e9;
}

/* Mango Glows for Astigmatism Elements */
.toric-option {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    margin-right: 0.5rem;
    transition: all 0.3s;
    background: var(--surface-bg);
}

.toric-option:has(input:checked) {
    border-color: #f59e0b;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

.toric-option input[type="radio"]:checked {
    accent-color: #f59e0b;
}

.form-select:focus {
    outline: none;
    border-color: #f59e0b;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

.astig-slider:focus {
    outline: none;
}

.astig-slider:focus::-webkit-slider-thumb {
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.6);
    border: 2px solid #fff;
}

.astig-slider::-webkit-slider-thumb:hover, .astig-slider::-webkit-slider-thumb:active {
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.9);
    background: #f59e0b;
}

.iol-radio {
    cursor: pointer;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-grow: 1;
    margin: 0;
}

.info-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 0.8rem;
    cursor: pointer;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    transition: all 0.3s;
}

.info-toggle:hover {
    color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.info-toggle.glow-active {
    color: #f59e0b; /* Amarelo mango */
    border-color: #f59e0b;
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.6);
}

.info-dropdown {
    width: 100%;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--border-color);
    font-size: 0.85rem;
    color: var(--text-color);
    display: none;
    line-height: 1.5;
}

.astig-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-left: 1rem;
    border-left: 3px solid var(--border-color);
}

.form-select {
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    font-size: 0.95rem;
    background: var(--bg-color);
    color: var(--text-color);
    margin-left: 0.5rem;
}

.checkbox-label {
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
}

.astig-desc {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.8;
}

/* --- 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; }