/* Base CSS - Traffic Count
 * Variáveis globais e estilos fundamentais
 */

:root {
    /* Layout Variables */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
    
    /* Dark Theme Blue Color Palette */
    --primary-gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
    --secondary-gradient: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 100%);
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    --dark-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    
    /* Colors */
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #6366f1;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    
    /* Dark Theme Backgrounds */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: rgba(30, 41, 59, 0.8);
    --bg-card-hover: rgba(30, 41, 59, 0.95);
    --bg-glass: rgba(30, 41, 59, 0.6);
    
    /* Dark Theme Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --text-accent: #60a5fa;
    --text-on-primary: #ffffff;
    
    /* Dark Theme Borders */
    --border-color: rgba(59, 130, 246, 0.2);
    --border-hover: rgba(59, 130, 246, 0.4);
    --border-light: rgba(148, 163, 184, 0.1);
    
    /* Dark Theme Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    
    /* Radius Variables */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

/* Base Body Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 400;
    min-height: 100vh;
}

/* Main Content Layout */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--bg-primary);
}

.main-content.expanded {
    margin-left: var(--sidebar-collapsed-width);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
    }
    
    .main-content.expanded {
        margin-left: 0;
    }
}

/* Selection Colors */
::selection {
    background: var(--primary-color);
    color: var(--text-on-primary);
}

::-moz-selection {
    background: var(--primary-color);
    color: var(--text-on-primary);
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

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

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

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}