/* ========================================
   GLOBAL CSS - Portal de Treinamento TOTVS
   Sistema de Design Moderno
   ======================================== */

/* Variáveis CSS - Design System */
:root {
    /* Cores Principais */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --primary-lighter: #dbeafe;
    
    --secondary: #06b6d4;
    --secondary-dark: #0891b2;
    --secondary-light: #67e8f9;
    
    /* Estados */
    --success: #10b981;
    --success-dark: #059669;
    --success-light: #34d399;
    --success-bg: #d1fae5;
    
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --warning-light: #fbbf24;
    --warning-bg: #fef3c7;
    
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --danger-light: #f87171;
    --danger-bg: #fee2e2;
    
    --info: #3b82f6;
    --info-dark: #2563eb;
    --info-light: #60a5fa;
    --info-bg: #dbeafe;
    
    /* Sidebar */
    --sidebar-bg: #1e293b;
    --sidebar-bg-dark: #0f172a;
    --sidebar-text: #e2e8f0;
    --sidebar-text-muted: #94a3b8;
    --sidebar-hover: #334155;
    --sidebar-active: #2563eb;
    --sidebar-border: rgba(255, 255, 255, 0.1);
    
    /* Backgrounds */
    --body-bg: #f8fafc;
    --card-bg: #ffffff;
    --bg-secondary: #f1f5f9;
    --bg-tertiary: #e2e8f0;
    --bg-hover: #f8fafc;
    
    /* Texto */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    /* Bordas */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --border-dark: #cbd5e1;
    
    /* Sombras */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Dimensões */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Tipografia */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-mono: 'Fira Code', 'Consolas', 'Monaco', monospace;
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

/* Base */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--body-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

/* Container System */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-fluid {
    width: 100%;
    padding: 0 1.5rem;
}

.container-sm {
    max-width: 640px;
}

.container-md {
    max-width: 768px;
}

.container-lg {
    max-width: 1024px;
}

.container-xl {
    max-width: 1280px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

h1 { 
    font-size: 2.5rem; 
    font-weight: 700;
}

h2 { 
    font-size: 2rem; 
}

h3 { 
    font-size: 1.75rem; 
}

h4 { 
    font-size: 1.5rem; 
}

h5 { 
    font-size: 1.25rem; 
}

h6 { 
    font-size: 1.125rem; 
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* Main Header */
.header {
    background: var(--card-bg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    box-shadow: var(--shadow-sm);
}

.logo-text h1 {
    font-size: 1.375rem;
    margin: 0;
    font-weight: 700;
}

.logo-text p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    background: var(--bg-secondary);
    color: var(--primary);
}

.nav-link.active {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 280px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
    overflow-y: auto;
    transition: transform var(--transition-base);
}

.sidebar-header {
    padding: 1.5rem;
    background: var(--sidebar-bg-dark);
    border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.sidebar-logo-text h2 {
    font-size: 1.375rem;
    color: white;
    margin: 0;
    font-weight: 600;
}

.sidebar-logo-text p {
    font-size: 0.8125rem;
    color: var(--sidebar-text-muted);
    margin: 0;
}

/* Sidebar Navigation */
.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-section {
    margin-bottom: 1.5rem;
}

.sidebar-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sidebar-text-muted);
    padding: 0.5rem 1.5rem;
    margin-bottom: 0.5rem;
}

.sidebar-menu-item {
    margin-bottom: 0.125rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1.5rem;
    color: var(--sidebar-text);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 0.9375rem;
    font-weight: 500;
    position: relative;
}

.sidebar-link:hover {
    background: var(--sidebar-hover);
    color: white;
    padding-left: 1.75rem;
}

.sidebar-link.active {
    background: var(--sidebar-active);
    color: white;
}

.sidebar-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-light);
}

.sidebar-link i {
    width: 20px;
    text-align: center;
    font-size: 1.125rem;
    opacity: 0.8;
}

.sidebar-link:hover i,
.sidebar-link.active i {
    opacity: 1;
}

/* Main Content Layout */
.main-layout {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: 280px;
    background: var(--body-bg);
    min-height: 100vh;
    transition: margin-left var(--transition-base);
}

.page-content {
    padding: 2rem 0;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
}

/* Footer */
.footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .main-nav {
        display: none;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .container {
        padding: 0 1rem;
    }
    
    .page-content {
        padding: 1rem 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .header,
    .footer,
    .mobile-menu-btn {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
    
    body {
        background: white;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Loading States */
.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --body-bg: #0f172a;
        --card-bg: #1e293b;
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;
        --border-color: #334155;
        --bg-secondary: #1e293b;
        --bg-tertiary: #334155;
    }
}