/* {{RIPER-5:
  Action: "Added"
  Task_ID: "Aether-Design-System"
  Timestamp: "2025-10-31"
  Authoring_Role: "LD"
  Principle_Applied: "Aether-Design-Universal-Softness, Aether-Design-Glass-Effects, Aether-Design-Color-Palette"
  Quality_Check: "Implements complete glass morphism system with universal softness"
}} */

/* ====================================
   AETHER DESIGN SYSTEM
   Core Variables & Glass Morphism
   ==================================== */

:root {
    /* === Color Palette === */
    /* Deep backgrounds */
    --color-bg-primary: #0a0118;
    --color-bg-secondary: #120525;
    --color-bg-tertiary: #1a0b2e;
    
    /* Gradient bases */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-success: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    
    /* Neon accents */
    --color-accent-blue: #4facfe;
    --color-accent-purple: #667eea;
    --color-accent-pink: #f093fb;
    --color-accent-cyan: #00f2fe;
    --color-accent-green: #43e97b;
    
    /* Text colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.8);
    --color-text-tertiary: rgba(255, 255, 255, 0.6);
    --color-text-muted: rgba(255, 255, 255, 0.4);
    
    /* Glass morphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-hover: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-blur: 12px;
    
    /* === Universal Softness (Rounded Corners) === */
    --radius-2xl: 1.5rem;    /* For containers, cards, buttons, inputs */
    --radius-full: 9999px;   /* For avatars, badges, pills */
    
    /* === Spacing === */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* === Typography === */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    
    /* === Transitions === */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --easing-smooth: cubic-bezier(0.65, 0, 0.35, 1);
    --easing-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* === Z-Index Layers === */
    --z-background: -1;
    --z-base: 0;
    --z-content: 10;
    --z-nav: 100;
    --z-modal: 1000;
    --z-toast: 2000;
}

/* ====================================
   BASE STYLES
   ==================================== */

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

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

body {
    font-family: var(--font-primary);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    
    /* Animated gradient background */
    background: linear-gradient(
        135deg,
        var(--color-bg-primary) 0%,
        var(--color-bg-secondary) 50%,
        var(--color-bg-tertiary) 100%
    );
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ====================================
   GLASS MORPHISM COMPONENTS
   ==================================== */

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base);
}

.glass-card:hover {
    background: var(--glass-bg-hover);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45),
                0 0 20px 0 rgba(102, 126, 234, 0.2);
    transform: translateY(-2px);
}

.glass-nav {
    background: rgba(10, 1, 24, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* ====================================
   GRADIENT TEXT
   ==================================== */

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientFlow 3s ease infinite;
    background-size: 200% auto;
}

@keyframes gradientFlow {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

/* ====================================
   GLOW EFFECTS
   ==================================== */

.glow-on-hover {
    transition: all var(--transition-base);
}

.glow-on-hover:hover {
    box-shadow: 
        0 0 20px rgba(102, 126, 234, 0.4),
        0 0 40px rgba(102, 126, 234, 0.2),
        0 8px 32px rgba(0, 0, 0, 0.4);
}

.inner-glow {
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.1);
}

.inner-glow-hover:hover {
    box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.15);
}

/* ====================================
   PARTICLE BACKGROUND
   ==================================== */

#particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
    opacity: 0.3;
    pointer-events: none;
}

/* ====================================
   SCROLLBAR STYLING
   ==================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.5);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.8);
}

/* ====================================
   SELECTION STYLING
   ==================================== */

::selection {
    background: rgba(102, 126, 234, 0.3);
    color: var(--color-text-primary);
}

::-moz-selection {
    background: rgba(102, 126, 234, 0.3);
    color: var(--color-text-primary);
}

/* ====================================
   UTILITY CLASSES
   ==================================== */

.rounded-2xl {
    border-radius: var(--radius-2xl);
}

.rounded-full {
    border-radius: var(--radius-full);
}

.text-center {
    text-align: center;
}

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.grid {
    display: grid;
}

/* ====================================
   RESPONSIVE UTILITIES
   ==================================== */

@media (max-width: 768px) {
    :root {
        --font-size-3xl: 1.75rem;
        --font-size-4xl: 2rem;
        --font-size-5xl: 2.5rem;
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
    }
    
    .glass-card {
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }
}

/* Performance optimization for low-end devices */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Fallback for browsers that don't support backdrop-filter */
@supports not (backdrop-filter: blur(10px)) {
    .glass-card,
    .glass-nav {
        background: rgba(26, 11, 46, 0.95);
    }
}