/* ========================================
   PLANPILOT - MAIN STYLES
   Base styles, CSS variables, typography
   ======================================== */

/* CSS Variables */
:root {
    --primary-color: #0891D0;
    --primary-dark: #0670A0;
    --accent-color: #FFA726;
    --accent-dark: #FF9800;
    --success-color: #4CAF50;
    --success-dark: #388E3C;
    --danger-color: #ff4757;
    --danger-hover: #ee5a6f;
    
    --text-primary: #333;
    --text-secondary: #666;
    --text-muted: #999;
    
    --bg-primary: #f5f5f5;
    --bg-white: white;
    --bg-light: #f9f9f9;
    --bg-hover: #f0f0f0;
    
    --border-color: #e0e0e0;
    --border-light: #f0f0f0;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.3);
    
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 50%;
    
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-mono: 'Courier New', monospace;
}

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

/* Base Body */
body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    line-height: 1.3;
}

p {
    line-height: 1.6;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

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

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-sm);
}

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

/* Utility Classes */
.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Animation Keyframes */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 2000px;
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes popupSlideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes titleBounceIn {
    0% {
        opacity: 0;
        transform: translateX(-50%) scale(0.3);
    }
    50% {
        transform: translateX(-50%) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }
}

@keyframes plane-fly {
    0%, 100% {
        transform: translateY(-50%) translateX(0);
    }
    50% {
        transform: translateY(-50%) translateX(5px);
    }
}

@keyframes globe-spin {
    0%, 100% {
        transform: translateY(-50%) rotate(0deg);
    }
    50% {
        transform: translateY(-50%) rotate(20deg);
    }
}