/* === Acessibilidade - Tamanho de fonte e Dark Mode === */
html {
    transition: font-size 0.3s ease;
}

html.dark-mode {
    --bg-color: #1a1a2e;
    --text-color: #e0e0e0;
    --card-bg: #16213e;
    --border-color: #0f3460;
    --link-color: #e94560;
}

html.dark-mode body {
    background-color: var(--bg-color, #1a1a2e) !important;
    color: var(--text-color, #e0e0e0) !important;
}

html.dark-mode .card,
html.dark-mode .ui-panel,
html.dark-mode .ui-panel-content,
html.dark-mode .ui-accordion,
html.dark-mode .ui-accordion-content {
    background-color: var(--card-bg, #16213e) !important;
    color: var(--text-color, #e0e0e0) !important;
    border-color: var(--border-color, #0f3460) !important;
}

html.dark-mode .ui-widget-header {
    background-color: var(--border-color, #0f3460) !important;
    color: var(--text-color, #e0e0e0) !important;
}

html.dark-mode a {
    color: var(--link-color, #e94560) !important;
}

html.dark-mode pre {
    color: var(--text-color, #e0e0e0) !important;
}

/* === Barra de Acessibilidade === */
.barra-acessibilidade {
    position: fixed;
    bottom: 10px;
    right: 10px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: flex-end;
}

.barra-acessibilidade button {
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: transform 0.2s, background 0.2s;
    background: #ffffff;
    color: #333;
}

html.dark-mode .barra-acessibilidade button {
    background: #16213e;
    color: #e0e0e0;
    border: 1px solid #0f3460;
}

.barra-acessibilidade button:hover {
    transform: scale(1.15);
}

/* === Vela Virtual === */
.vela-container {
    position: fixed;
    bottom: 220px;
    right: 14px;
    z-index: 9998;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.vela-corpo {
    width: 22px;
    height: 60px;
    background: linear-gradient(to bottom, #fff8dc, #f5deb3);
    border-radius: 3px 3px 6px 6px;
    position: relative;
    box-shadow: 0 0 6px rgba(255,200,50,0.3);
}

.vela-pavio {
    width: 2px;
    height: 10px;
    background: #333;
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.vela-chama {
    width: 14px;
    height: 22px;
    background: radial-gradient(ellipse at bottom, #ffdd44 0%, #ff6600 50%, transparent 100%);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    animation: flicker 0.4s ease-in-out infinite alternate;
    opacity: 1;
    transition: opacity 0.5s;
}

.vela-chama.apagada {
    opacity: 0;
    animation: none;
}

.vela-brilho {
    width: 50px;
    height: 50px;
    background: radial-gradient(circle, rgba(255,200,50,0.25) 0%, transparent 70%);
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 50%;
    pointer-events: none;
}

.vela-brilho.apagada {
    opacity: 0;
}

.vela-timer {
    font-size: 0.6rem;
    color: #999;
    margin-top: 4px;
    text-align: center;
    min-height: 14px;
}

@keyframes flicker {
    0% { transform: translateX(-50%) scale(1) rotate(-1deg); opacity: 1; }
    25% { transform: translateX(-50%) scale(1.02) rotate(1deg); opacity: 0.95; }
    50% { transform: translateX(-50%) scale(0.98) rotate(-0.5deg); opacity: 1; }
    75% { transform: translateX(-50%) scale(1.01) rotate(0.5deg); opacity: 0.97; }
    100% { transform: translateX(-50%) scale(1) rotate(0deg); opacity: 1; }
}