/* ============================================
   GLASSMORPHISM THEME - CORE SYSTEM
   Production Ready - Off POS System
   Version 1.0
============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES - GLASSMORPHISM
============================================ */
:root {
    /* Primary Colors - Emerald & Gold Luxury */
    --glass-emerald: #059669;
    --glass-emerald-light: #34d399;
    --glass-emerald-dark: #047857;
    --glass-gold: #d4a574;
    --glass-gold-light: #e8c9a0;
    --glass-amber: #b45309;
    --glass-cream: #fef3e2;
    
    /* Accent Colors */
    --glass-coral: #e07a5f;
    --glass-slate: #475569;
    --glass-cyan: #06b6d4;
    --glass-magenta: #d946ef;
    --glass-purple: #a855f7;
    
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-light: rgba(255, 255, 255, 0.08);
    --glass-bg-lighter: rgba(255, 255, 255, 0.12);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-light: rgba(255, 255, 255, 0.15);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    --glass-shadow-light: rgba(0, 0, 0, 0.15);
    --glass-hover: rgba(255, 255, 255, 0.08);
    
    /* Background - Deep Forest Gradient */
    --glass-bg-dark: #0a0f0d;
    --glass-bg-gradient-1: #0d1a14;
    --glass-bg-gradient-2: #132419;
    --glass-bg-gradient-3: #1a2e23;
    
    /* Text Colors */
    --glass-text-primary: #f5f5f4;
    --glass-text-secondary: rgba(245, 245, 244, 0.7);
    --glass-text-muted: rgba(245, 245, 244, 0.4);
    
    /* Status Colors */
    --glass-success: #22c55e;
    --glass-warning: #eab308;
    --glass-danger: #dc2626;
    --glass-info: #0ea5e9;
    
    /* Spacing & Layout */
    --glass-sidebar-width: 280px;
    --glass-navbar-height: 70px;
    --glass-border-radius: 16px;
    --glass-border-radius-lg: 20px;
    --glass-card-padding: 24px;
    
    /* Transitions */
    --glass-transition-fast: 0.2s ease;
    --glass-transition-normal: 0.3s ease;
    --glass-transition-slow: 0.5s ease;
    
    /* Blur Amounts */
    --glass-blur-sm: 10px;
    --glass-blur-md: 20px;
    --glass-blur-lg: 40px;
    --glass-blur-xl: 60px;
}

/* Light Mode Theme Variables */
[data-theme="light"] {
    /* Glass Colors - Light Mode */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-bg-light: rgba(255, 255, 255, 0.92);
    --glass-bg-lighter: rgba(255, 255, 255, 0.98);
    --glass-border: rgba(5, 150, 105, 0.15);
    --glass-border-light: rgba(5, 150, 105, 0.25);
    --glass-shadow: rgba(5, 150, 105, 0.08);
    --glass-shadow-light: rgba(5, 150, 105, 0.04);
    --glass-hover: rgba(5, 150, 105, 0.08);
    
    /* Background - Light Mode with subtle gradient */
    --glass-bg-dark: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 50%, #f5f5f0 100%);
    --glass-bg-gradient-1: #f0fdf4;
    --glass-bg-gradient-2: #ecfdf5;
    --glass-bg-gradient-3: #f8fafc;
    
    /* Text - Light Mode - Strong contrast */
    --glass-text-primary: #0f172a;
    --glass-text-secondary: #334155;
    --glass-text-muted: #64748b;
    
    /* Emerald adjustments for light mode */
    --glass-emerald: #047857;
    --glass-emerald-light: #059669;
    --glass-emerald-dark: #065f46;
}

/* ============================================
   ANIMATED BACKGROUND SYSTEM
============================================ */
.glass-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(135deg, 
        var(--glass-bg-gradient-1) 0%, 
        var(--glass-bg-gradient-2) 50%, 
        var(--glass-bg-gradient-3) 100%);
    transition: background 0.6s ease;
}

.glass-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(5, 150, 105, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(212, 165, 116, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 50% 80%, rgba(224, 122, 95, 0.1) 0%, transparent 50%);
    animation: backgroundPulse 15s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Floating Orbs */
.glass-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(var(--glass-blur-xl));
    opacity: 0.4;
    z-index: -1;
    animation: floatOrb 20s ease-in-out infinite;
    pointer-events: none;
}

.glass-orb-1 {
    width: 400px;
    height: 400px;
    background: var(--glass-emerald);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.glass-orb-2 {
    width: 350px;
    height: 350px;
    background: var(--glass-gold);
    top: 60%;
    right: 10%;
    animation-delay: -5s;
}

.glass-orb-3 {
    width: 300px;
    height: 300px;
    background: var(--glass-coral);
    bottom: 10%;
    left: 30%;
    animation-delay: -10s;
}

[data-theme="light"] .glass-orb {
    opacity: 0.15;
}

@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

/* ============================================
   GLASS CARD BASE COMPONENT
============================================ */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur-md));
    -webkit-backdrop-filter: blur(var(--glass-blur-md));
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-border-radius);
    padding: var(--glass-card-padding);
    box-shadow: 0 8px 32px var(--glass-shadow);
    transition: all var(--glass-transition-normal);
    position: relative;
    overflow: hidden;
}

.glass-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 0.5s ease;
}

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

.glass-card:hover {
    border-color: var(--glass-border-light);
    box-shadow: 0 12px 48px var(--glass-shadow-light);
    transform: translateY(-2px);
}

/* Glass Card Variants */
.glass-card-emerald {
    border: 1px solid rgba(5, 150, 105, 0.3);
    box-shadow: 0 8px 32px rgba(5, 150, 105, 0.2);
}

.glass-card-gold {
    border: 1px solid rgba(212, 165, 116, 0.3);
    box-shadow: 0 8px 32px rgba(212, 165, 116, 0.2);
}

.glass-card-coral {
    border: 1px solid rgba(224, 122, 95, 0.3);
    box-shadow: 0 8px 32px rgba(224, 122, 95, 0.2);
}

/* 3D Tilt Effect */
.glass-card-3d {
    transform-style: preserve-3d;
    transition: transform var(--glass-transition-normal);
}

.glass-card-3d:hover {
    transform: perspective(1000px) rotateX(var(--rotate-x, 0deg)) rotateY(var(--rotate-y, 0deg)) translateY(-2px);
}

/* ============================================
   GLASS BUTTON COMPONENTS
============================================ */
.glass-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur-sm));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm));
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 24px;
    color: var(--glass-text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--glass-transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 16px var(--glass-shadow-light);
}

.glass-btn:hover {
    background: var(--glass-hover);
    border-color: var(--glass-border-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--glass-shadow);
}

.glass-btn-primary {
    background: linear-gradient(135deg, var(--glass-emerald), var(--glass-emerald-dark));
    border: 1px solid rgba(5, 150, 105, 0.3);
    color: white;
}

.glass-btn-primary:hover {
    background: linear-gradient(135deg, var(--glass-emerald-light), var(--glass-emerald));
    box-shadow: 0 8px 32px rgba(5, 150, 105, 0.4);
}

.glass-btn-secondary {
    background: linear-gradient(135deg, var(--glass-gold), var(--glass-amber));
    border: 1px solid rgba(212, 165, 116, 0.3);
    color: white;
}

.glass-btn-secondary:hover {
    background: linear-gradient(135deg, var(--glass-gold-light), var(--glass-gold));
    box-shadow: 0 8px 32px rgba(212, 165, 116, 0.4);
}

.glass-btn-danger {
    background: var(--glass-danger);
    border: 1px solid rgba(220, 38, 38, 0.3);
    color: white;
}

.glass-btn-success {
    background: var(--glass-success);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: white;
}

/* ============================================
   GLASS INPUT COMPONENTS
============================================ */
.glass-input {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur-sm));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm));
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--glass-text-primary);
    font-family: inherit;
    font-size: 14px;
    width: 100%;
    transition: all var(--glass-transition-fast);
}

.glass-input::placeholder {
    color: var(--glass-text-muted);
}

.glass-input:focus {
    outline: none;
    border-color: var(--glass-emerald-light);
    background: var(--glass-bg-light);
    box-shadow: 0 0 20px rgba(52, 211, 153, 0.2);
}

.glass-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Glass Select */
.glass-select {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur-sm));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm));
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--glass-text-primary);
    cursor: pointer;
}

/* ============================================
   UTILITY CLASSES
============================================ */
.glass-text-gradient {
    background: linear-gradient(135deg, var(--glass-emerald-light), var(--glass-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-text-emerald {
    color: var(--glass-emerald-light);
}

.glass-text-gold {
    color: var(--glass-gold);
}

.glass-text-muted {
    color: var(--glass-text-muted);
}

.glass-badge {
    background: linear-gradient(135deg, var(--glass-gold), var(--glass-amber));
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    display: inline-block;
}

.glass-badge-emerald {
    background: linear-gradient(135deg, var(--glass-emerald), var(--glass-emerald-dark));
}

.glass-badge-danger {
    background: var(--glass-danger);
}

.glass-badge-success {
    background: var(--glass-success);
}

/* ============================================
   GLASS ANIMATIONS
============================================ */
@keyframes glassSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glassFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes glassShimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.glass-animate-slide-up {
    animation: glassSlideUp 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.glass-animate-fade-in {
    animation: glassFadeIn 0.6s ease;
}

/* ============================================
   RESPONSIVE BEHAVIOR
============================================ */
@media (max-width: 992px) {
    :root {
        --glass-sidebar-width: 250px;
        --glass-card-padding: 20px;
    }
}

@media (max-width: 768px) {
    :root {
        --glass-card-padding: 16px;
        --glass-border-radius: 12px;
    }
    
    .glass-orb {
        width: 250px !important;
        height: 250px !important;
    }
}

@media (max-width: 480px) {
    :root {
        --glass-card-padding: 12px;
    }
}

/* ============================================
   SCROLLBAR STYLING
============================================ */
.glass-scrollbar::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.glass-scrollbar::-webkit-scrollbar-track {
    background: var(--glass-bg);
    border-radius: 4px;
}

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

.glass-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--glass-emerald-light);
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
============================================ */
.glass-card,
.glass-btn,
.glass-input {
    will-change: transform;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .glass-orb {
        animation: none;
    }
}