/* Reset e Variáveis CSS */
:root {
    /* Cores Principais - Tema Vermelho */
    --primary-gradient: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
    --secondary-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --accent-gradient: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
    --dark-gradient: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 100%);
    
    /* Cores do Sistema */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-glass: rgba(255, 255, 255, 0.1);
    
    /* Texto */
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    
    /* Bordas e Sombras */
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(220, 38, 38, 0.3);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Raios de Borda */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Reset Global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Container Principal */
.app-container {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* Sidebar */
.sidebar {
    width: 320px;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform var(--transition-smooth);
    box-shadow: var(--shadow-lg);
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 3px;
}

/* Header da Sidebar */
.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.sidebar-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    pointer-events: none;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.brand-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-smooth);
}

.brand-icon:hover {
    transform: scale(1.1) rotate(5deg);
}

.brand-text h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.025em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.brand-text span {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    letter-spacing: 0.1em;
}

.sidebar-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: none;
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* Navegação da Sidebar */
.sidebar-nav {
    padding: var(--spacing-lg);
}

.nav-section {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-sm);
}

.nav-list {
    list-style: none;
}

.nav-list > li {
    margin-bottom: var(--spacing-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    transition: left var(--transition-smooth);
    z-index: -1;
}

.nav-item:hover::before {
    left: 0;
}

.nav-item:hover {
    color: white;
    transform: translateX(8px);
    box-shadow: var(--shadow-glow);
}

.nav-item i {
    font-size: 1.125rem;
    width: 20px;
    text-align: center;
    transition: transform var(--transition-fast);
}

.nav-item:hover i {
    transform: scale(1.2);
}

/* Dropdowns */
.dropdown-container {
    margin-bottom: var(--spacing-xs);
}

.dropdown-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-sm);
    background: none;
    border: none;
    color: var(--text-secondary);
    text-align: left;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.dropdown-trigger::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--secondary-gradient);
    transition: left var(--transition-smooth);
    z-index: -1;
}

.dropdown-trigger:hover::before {
    left: 0;
}

.dropdown-trigger:hover {
    color: white;
    transform: translateX(8px);
}

.dropdown-trigger i:first-child {
    font-size: 1.125rem;
    width: 20px;
    text-align: center;
}

.dropdown-arrow {
    margin-left: auto;
    font-size: 0.875rem;
    transition: transform var(--transition-smooth);
}

.dropdown-container.active .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    list-style: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-smooth);
    margin-top: var(--spacing-xs);
    margin-left: var(--spacing-lg);
    border-left: 2px solid var(--border-color);
    padding-left: var(--spacing-md);
}

.dropdown-container.active .dropdown-menu {
    max-height: 500px;
}

.dropdown-menu li {
    margin-bottom: var(--spacing-xs);
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    position: relative;
}

.dropdown-menu a:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
    transform: translateX(4px);
}

/* Conteúdo Principal */
.main-content {
    flex: 1;
    margin-left: 320px;
    transition: margin-left var(--transition-smooth);
    min-height: 100vh;
}

/* Header */
.header {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.mobile-menu-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: none;
}

.mobile-menu-btn:hover {
    background: var(--bg-glass);
    transform: scale(1.1);
}

.header-content {
    flex: 1;
    margin-left: var(--spacing-md);
}

.page-title {
    font-size: 2rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.theme-toggle {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    background: var(--primary-gradient);
    color: white;
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* Área de Conteúdo */
.content-area {
    padding: var(--spacing-xl);
}

/* Seção de Boas-vindas */
.welcome-section {
    margin-bottom: var(--spacing-xl);
}

.welcome-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.welcome-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.welcome-content {
    flex: 1;
}

.welcome-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.welcome-content p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-smooth);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-item i {
    font-size: 2rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* Visual da Boas-vindas */
.welcome-visual {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    position: relative;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-element {
    position: absolute;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.4);
}

.floating-element:nth-child(2) {
    width: 60px;
    height: 60px;
    background: var(--secondary-gradient);
    top: 60%;
    right: 20%;
    animation-delay: 2s;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
}

.floating-element:nth-child(3) {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    bottom: 20%;
    left: 50%;
    animation-delay: 4s;
    box-shadow: 0 0 20px rgba(248, 113, 113, 0.4);
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

/* Seção de Recursos */
.features-section {
    margin-bottom: var(--spacing-xl);
}

.features-section .section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(102, 126, 234, 0.5);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-smooth);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Responsividade */
@media (max-width: 1024px) {
    .sidebar {
        width: 280px;
    }
    
    .main-content {
        margin-left: 280px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 320px;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-btn,
    .sidebar-toggle {
        display: block;
    }
    
    .header {
        padding: var(--spacing-md);
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .content-area {
        padding: var(--spacing-md);
    }
    
    .welcome-card {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .welcome-content h2 {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .welcome-visual {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 480px) {
    .content-area {
        padding: var(--spacing-sm);
    }
    
    .welcome-card,
    .feature-card {
        padding: var(--spacing-md);
    }
    
    .sidebar-nav {
        padding: var(--spacing-md);
    }
    
    .welcome-content h2 {
        font-size: 1.75rem;
    }
    
    .page-title {
        font-size: 1.25rem;
    }
}

/* Animações de Entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.welcome-card,
.feature-card {
    animation: fadeInUp 0.6s ease-out;
}

.feature-card:nth-child(2) { animation-delay: 0.1s; }
.feature-card:nth-child(3) { animation-delay: 0.2s; }
.feature-card:nth-child(4) { animation-delay: 0.3s; }
.feature-card:nth-child(5) { animation-delay: 0.4s; }
.feature-card:nth-child(6) { animation-delay: 0.5s; }

/* Scrollbar Personalizada */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 4px;
}

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

/* Seleção de Texto */
::selection {
    background: rgba(102, 126, 234, 0.3);
    color: white;
}

/* Foco */
button:focus,
a:focus {
    outline: 2px solid rgba(102, 126, 234, 0.5);
    outline-offset: 2px;
}