/* 
 * Qimob - Unified Styles
 * Single source of truth for all styling across the application
 * Optimized for performance and maintainability
 */

/* ========== CSS Variables ========== */
:root {
    /* Brand Colors */
    --color-qimob-dark: #041635;
    --color-qimob-medium: #293953;
    --color-qimob-primary: #FFBC59;
    --color-qimob-secondary: #ffa726;
    --color-qimob-light: #D9D9D9;
    --color-qimob-bg: #f2f2f2;
    --color-qimob-success: #10b981;
    --color-qimob-error: #ef4444;
    
    /* RGB values for colors (for use with opacity) */
    --rgb-qimob-dark: 4, 22, 53;
    
    /* Aliases for backwards compatibility */
    --color-primary-action: #ffa726;
    --color-primary-action-dark: #ff9100;
    --color-primary-highlight: #FFBC59;
    --color-secondary: #041635;
    --color-accent: #10b981;
    --color-danger: #ef4444;
    
    /* Typography */
    --font-body: 'Inter', system-ui, sans-serif;
    --font-display: 'Inter', system-ui, sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Background dimming for bg.gif */
    --bg-dim-opacity: 0.2;
    
    /* Background Pattern - Subtle tech texture */
    --pattern-tech-texture: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23041635' stroke-opacity='0.03'%3E%3Cpath d='M0 30h60M30 0v60' stroke-width='0.5'/%3E%3Ccircle cx='15' cy='15' r='2' stroke-width='0.5'/%3E%3Ccircle cx='45' cy='15' r='2' stroke-width='0.5'/%3E%3Ccircle cx='15' cy='45' r='2' stroke-width='0.5'/%3E%3Ccircle cx='45' cy='45' r='2' stroke-width='0.5'/%3E%3Cpath d='M15 15l8 8M37 15l-8 8M15 45l8-8M37 45l-8-8' stroke-width='0.3' stroke-opacity='0.02'/%3E%3C/g%3E%3C/svg%3E");
}

/* ========== Base Styles ========== */
html {
    height: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--color-secondary);
    background-color: var(--color-qimob-dark);
    /* Animated background with dimming overlay and blur */
    background-image: 
        linear-gradient(rgba(var(--rgb-qimob-dark), var(--bg-dim-opacity)), rgba(var(--rgb-qimob-dark), var(--bg-dim-opacity))),
        url('./bg.gif');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('./bg.gif');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    filter: blur(8px);
    z-index: -1;
}

h1, h2, h3, h4, h5, h6, .font-display {
    font-family: var(--font-display);
}

/* ========== Utility Classes - Colors ========== */
/* Qimob Brand Colors */
.bg-qimob-dark { background-color: var(--color-qimob-dark); }
.text-qimob-dark { color: var(--color-qimob-dark); }
.border-qimob-dark { border-color: var(--color-qimob-dark); }

.bg-qimob-medium { background-color: var(--color-qimob-medium); }
.text-qimob-medium { color: var(--color-qimob-medium); }
.border-qimob-medium { border-color: var(--color-qimob-medium); }

.bg-qimob-primary { background-color: var(--color-qimob-primary); }
.text-qimob-primary { color: var(--color-qimob-primary); }
.border-qimob-primary { border-color: var(--color-qimob-primary); }

.bg-qimob-secondary { background-color: var(--color-qimob-secondary); }
.text-qimob-secondary { color: var(--color-qimob-secondary); }
.border-qimob-secondary { border-color: var(--color-qimob-secondary); }
.hover\:bg-qimob-primary:hover { background-color: var(--color-qimob-primary); }

.bg-qimob-light { background-color: var(--color-qimob-light); }
.text-qimob-light { color: var(--color-qimob-light); }
.border-qimob-light { border-color: var(--color-qimob-light); }

.bg-qimob-bg { background-color: var(--color-qimob-bg); }
.text-qimob-bg { color: var(--color-qimob-bg); }

.bg-qimob-success { background-color: var(--color-qimob-success); }
.text-qimob-success { color: var(--color-qimob-success); }

.bg-qimob-error { background-color: var(--color-qimob-error); }
.text-qimob-error { color: var(--color-qimob-error); }

/* Legacy/Alias Classes for backward compatibility */
.bg-primary-action { background-color: var(--color-primary-action); }
.text-primary-action { color: var(--color-primary-action); }
.border-primary-action { border-color: var(--color-primary-action); }
.hover\:bg-primary-action-dark:hover { background-color: var(--color-primary-action-dark); }

.bg-primary-highlight { background-color: var(--color-primary-highlight); }
.text-primary-highlight { color: var(--color-primary-highlight); }
.border-primary-highlight { border-color: var(--color-primary-highlight); }

.bg-secondary { background-color: var(--color-secondary); }
.text-secondary { color: var(--color-secondary); }

.bg-accent { background-color: var(--color-qimob-success); }
.text-accent { color: var(--color-qimob-success); }

.bg-danger { background-color: var(--color-danger); }
.text-danger { color: var(--color-danger); }

/* ========== Animation & Transitions ========== */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

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

.card-transition {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== Scrollbar Customization ========== */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: #f1f1f1; 
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: #888; 
    border-radius: 3px;
}

/* ========== Layout Utilities ========== */
.hidden-view {
    display: none !important;
}

/* ========== Component - Accordion ========== */
.rotate-180 { 
    transform: rotate(180deg); 
}

.accordion-content {
    transition: max-height var(--transition-normal), padding var(--transition-normal);
    max-height: 0;
    overflow: hidden;
    padding: 0 !important;
}

.accordion-content.open {
    max-height: 1000px;
    padding: 0 1.5rem 1.5rem 1.5rem !important;
}

/* ========== Accessibility Improvements ========== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary-action);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-primary-action);
    outline-offset: 2px;
}

/* ========== Performance Optimizations ========== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .accordion-content {
        transition: none;
    }
}

/* ========== Enhanced Section Backgrounds ========== */
section.bg-white {
    background-color: rgba(255, 255, 255, 1.0);
    backdrop-filter: blur(0.5px);
}

section.bg-gray-100 {
    background-color: rgba(243, 244, 246, 0.85);
}

section.bg-gray-50 {
    background-color: rgba(249, 250, 251, 0.85);
}

section.bg-qimob-dark {
    background-color: rgba(var(--rgb-qimob-dark), 0.85);
}

header.bg-white {
    background-color: rgba(255, 255, 255, 1);
}

footer.bg-secondary {
    background-color: var(--color-secondary);
}

footer.bg-qimob-dark {
    background-color: var(--color-qimob-dark);
}