/* ABOUTME: Core design system CSS with variables, animations, and base styles for Registry application
   ABOUTME: Includes cyberpunk/synthwave theme system with light and dark mode support */

/* ========================================================================
   CSS Custom Properties (Design Tokens)
   ======================================================================== */

:root {
    /* Light theme variables - default */
    --landing-bg-primary: #f0e6ff;
    --landing-bg-secondary: #fff5f5;
    --landing-text-primary: #2a1b3d;
    --landing-text-secondary: #44306e;
    --landing-accent-pink: #ff00ff;
    --landing-accent-cyan: #00ffff;
    --landing-accent-purple: #9d4edd;
    --landing-accent-blue: #7209b7;
    --landing-gradient-1: linear-gradient(135deg, #667eea 0%, #ff00ff 50%, #00ffff 100%);
    --landing-gradient-2: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
    --landing-card-bg: rgba(255, 255, 255, 0.85);
    --landing-glow-color: rgba(255, 0, 255, 0.3);
    --landing-grid-color: rgba(157, 78, 221, 0.1);

    /* Workflow theme variables (mirror landing for consistency) */
    --bg-primary: #f0e6ff;
    --bg-secondary: #fff5f5;
    --text-primary: #2a1b3d;
    --text-secondary: #44306e;
    --accent-pink: #ff00ff;
    --accent-cyan: #00ffff;
    --accent-purple: #9d4edd;
    --accent-blue: #7209b7;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #ff00ff 50%, #00ffff 100%);
    --gradient-2: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
    --card-bg: rgba(255, 255, 255, 0.85);
    --glow-color: rgba(255, 0, 255, 0.3);
    --grid-color: rgba(157, 78, 221, 0.1);
}

/* Dark theme - applies to elements with data-landing-theme="dark" or data-theme="dark" */
[data-landing-theme="dark"],
[data-theme="dark"] {
    --landing-bg-primary: #0a0014;
    --landing-bg-secondary: #1a0829;
    --landing-text-primary: #ffffff;
    --landing-text-secondary: #e0b3ff;
    --landing-accent-pink: #ff00ff;
    --landing-accent-cyan: #00ffff;
    --landing-accent-purple: #c77dff;
    --landing-accent-blue: #9d4edd;
    --landing-gradient-1: linear-gradient(135deg, #667eea 0%, #ff00ff 50%, #00ffff 100%);
    --landing-gradient-2: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
    --landing-card-bg: rgba(26, 8, 41, 0.85);
    --landing-glow-color: rgba(255, 0, 255, 0.5);
    --landing-grid-color: rgba(157, 78, 221, 0.2);

    /* Workflow variables for dark mode */
    --bg-primary: #0a0014;
    --bg-secondary: #1a0829;
    --text-primary: #ffffff;
    --text-secondary: #e0b3ff;
    --accent-pink: #ff00ff;
    --accent-cyan: #00ffff;
    --accent-purple: #c77dff;
    --accent-blue: #9d4edd;
    --card-bg: rgba(26, 8, 41, 0.85);
    --glow-color: rgba(255, 0, 255, 0.5);
    --grid-color: rgba(157, 78, 221, 0.2);
}

/* ========================================================================
   Base Styles and Resets
   ======================================================================== */

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

/* Typography */
body,
.landing-page {
    font-family: 'Nunito', sans-serif;
}

h1, h2, h3,
.landing-logo,
.workflow-logo,
.logo {
    font-family: 'Bungee', cursive;
}

/* ========================================================================
   Animations
   ======================================================================== */

/* Grid movement animation - creates the illusion of infinite scrolling grid */
@keyframes landing-grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Glow pulse animation - for hero text and emphasis elements */
@keyframes landing-glow-pulse {
    0%, 100% { filter: drop-shadow(0 0 20px var(--landing-glow-color)); }
    50% { filter: drop-shadow(0 0 40px var(--landing-glow-color)); }
}

@keyframes glow-pulse {
    0%, 100% { filter: drop-shadow(0 0 20px var(--glow-color)); }
    50% { filter: drop-shadow(0 0 40px var(--glow-color)); }
}

/* Floating shape animations - for background decorative elements */
@keyframes landing-float-1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(100px, -50px) rotate(180deg); }
}

@keyframes landing-float-2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-80px, 30px) rotate(-180deg); }
}

@keyframes float-1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(100px, -50px) rotate(180deg); }
}

@keyframes float-2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-80px, 30px) rotate(-180deg); }
}

/* Subtle float animation for workflow pages */
@keyframes float-subtle {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-50px, 30px) rotate(90deg); }
}

/* ========================================================================
   Background Effects - Grid and Floating Shapes
   ======================================================================== */

/* Animated grid background */
.landing-grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--landing-bg-primary);
    background-image: radial-gradient(var(--landing-grid-color) 1.5px, transparent 1.5px);
    background-size: 30px 30px;
    z-index: -2;
}

.grid-background {
    position: fixed;
    top: -50px;
    left: -50px;
    width: calc(100% + 50px);
    height: calc(100% + 50px);
    background-color: var(--bg-primary);
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
    animation: grid-move 20s linear infinite;
}

/* Grid background as pseudo-element for workflow layout */
body[data-layout="workflow"]::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
    animation: grid-move 20s linear infinite;
}

/* Floating shapes container */
.landing-floating-shapes,
.floating-shapes {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

/* Individual floating shapes */
.landing-shape,
.shape {
    position: absolute;
    opacity: 0.3;
}

.landing-shape-1,
.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--landing-gradient-1);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    top: 10%;
    left: -150px;
    animation: landing-float-1 20s infinite ease-in-out;
}

.landing-shape-2,
.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--landing-gradient-2);
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    top: 60%;
    right: -100px;
    animation: landing-float-2 15s infinite ease-in-out;
}

/* Subtle floating shape for workflow as pseudo-element */
body[data-layout="workflow"]::after {
    content: '';
    position: fixed;
    width: 300px;
    height: 300px;
    background: var(--gradient-1);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    top: 10%;
    right: -100px;
    opacity: 0.15;
    z-index: -1;
    animation: float-subtle 25s infinite ease-in-out;
}

/* ========================================================================
   Base Layout Styles
   ======================================================================== */

/* Landing page container */
.landing-page {
    position: relative;
    color: var(--landing-text-primary);
    overflow-x: hidden;
    transition: color 0.3s ease;
    min-height: 100vh;
}

/* Subtle noise texture overlay for sketchbook feel */
.landing-page::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
}

/* Workflow layout body styling */
body[data-layout="workflow"] {
    font-family: 'Nunito', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* ========================================================================
   Accessibility Utilities
   ======================================================================== */

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================================================
   HTMX Loading States
   ======================================================================== */

/* Visual feedback during HTMX requests */
.htmx-request section[data-component="workflow-content"] {
    opacity: 0.6;
    pointer-events: none;
}

/* ========================================================================
   Responsive Design Utilities
   ======================================================================== */

/* Mobile-first responsive breakpoints */
@media (max-width: 768px) {
    /* Reduce animation intensity on mobile for performance */
    .landing-grid-background,
    .grid-background,
    body[data-layout="workflow"]::before {
        animation-duration: 30s;
    }

    .landing-shape,
    .shape,
    body[data-layout="workflow"]::after {
        animation-duration: 30s;
    }
}