/* Definições de Temas */

/* Tema Escuro (Padrão) */
:root {
    --bg-dark: #16161e;
    --bg: #1a1b26;
    --fg: #c0caf5;
    --fg-dim: #a9b1d6;
    --blue: #7aa2f7;
    --cyan: #7dcfff;
    --green: #9ece6a;
    --purple: #bb9af7;
    --red: #f7768e;
    --yellow: #e0af68;
    --border: #2f334d;
    
    /* Design Tokens - New */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.4);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    --touch-target: 48px;
    --sidebar-width: 260px;
}

/* Tema Claro (Light) */
.light-theme {
    --bg-dark: #d6d8df;
    --bg: #e1e2e7;
    --fg: #363c4d;
    --fg-dim: #707280;
    --blue: #2959aa;
    --cyan: #006c86;
    --green: #385f0d;
    --purple: #65359d;
    --red: #8c4351;
    --yellow: #8f5e15;
    --border: #c1c2c7;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* Tema Alto Contraste */
.contrast-theme {
    --bg-dark: #000000;
    --bg: #000000;
    --fg: #ffffff;
    --fg-dim: #ffffff;
    --blue: #0000ff;
    --cyan: #00ffff;
    --green: #00ff00;
    --purple: #ff00ff;
    --red: #ff0000;
    --yellow: #ffff00;
    --border: #ffffff;
    
    --shadow-sm: none;
    --shadow-md: none;
    --shadow-lg: none;
}

/* Reset & Global mobile-first improvements */
* {
    -webkit-tap-highlight-color: transparent;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: var(--border) var(--bg-dark);
}

/* Custom scrollbar for Webkit/Blink browsers */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--purple);
}

.hidden {
    display: none !important;
}

/* Page Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border);
    border-top: 4px solid var(--purple);
    border-radius: 50%;
    animation: lucide-spin 1s linear infinite;
}

/* Estilos da Seção de Configurações na Sidebar */
.sidebar-divider {
    height: 1px;
    background-color: var(--border);
    margin: var(--spacing-lg) 0;
    opacity: 0.5;
}

.sidebar-settings {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

@media screen and (max-width: 768px) {
    .sidebar-settings {
        display: none; /* Esconde na sidebar no mobile */
    }
    .sidebar-divider {
        display: none;
    }
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: var(--spacing-xs) 0;
}

.settings-header:hover .settings-title {
    color: var(--fg);
}

.settings-title {
    display: inline;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--fg-dim);
    font-weight: 700;
    margin-bottom: 0;
    transition: color 0.2s;
}

.settings-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    transition: var(--transition);
    max-height: 200px; 
    opacity: 1;
}

.sidebar-settings.collapsed .settings-content {
    max-height: 0;
    opacity: 0;
    margin: 0;
    pointer-events: none;
}

.settings-header .lucide {
    width: 14px;
    height: 14px;
    color: var(--fg-dim);
    transition: transform 0.3s ease;
}

.sidebar-settings.collapsed .settings-header .lucide {
    transform: rotate(180deg);
}

.theme-options {
    display: flex;
    justify-content: center;
    width: 100%;
    gap: var(--spacing-sm);
}

.theme-btn {
    width: 44px; /* Aumentado para melhor toque */
    height: 44px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background-color: var(--bg-dark);
    color: var(--fg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.theme-btn:hover {
    border-color: var(--purple);
    color: var(--purple);
    transform: translateY(-2px);
}

.theme-btn:active {
    transform: scale(0.95);
}

.theme-btn.active {
    background-color: var(--purple);
    color: var(--bg-dark);
    border-color: var(--purple);
    box-shadow: 0 4px 12px rgba(187, 154, 247, 0.3);
}

.delete-account-btn {
    background-color: transparent;
    color: var(--red);
    border: 1px solid rgba(247, 118, 142, 0.3);
    width: 100%;
    min-height: var(--touch-target);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.delete-account-btn:hover {
    background-color: var(--red);
    color: white;
    border-color: var(--red);
}

.delete-account-btn:active {
    transform: scale(0.98);
}

/* Ajuste para ícones dentro dos botões de tema */
.theme-btn .lucide {
    width: 20px;
    height: 20px;
}