/* ==========================================================================
   rcd800.dev - Design System Stylesheet
   Premium Glassmorphic Developer Lab Theme - Crimson (#760024)
   ========================================================================== */

/* Root Design Tokens & Variables */
:root {
    /* Color Palette (HSL Tailored) */
    --theme-crimson: 342;
    --theme-blue: 210;
    --theme-emerald: 150;
    --theme-amber: 35;

    /* Current active color accent (default is Crimson #760024) */
    --primary-hue: var(--theme-crimson);
    --accent-hue: calc(var(--primary-hue) - 15);
    
    /* #760024 is hsl(342, 100%, 23%) */
    --color-primary: hsl(var(--primary-hue), 100%, 23%);
    --color-primary-glow: hsla(var(--primary-hue), 100%, 23%, 0.4);
    
    /* Slightly lighter crimson for highlights and text readability */
    --color-accent: hsl(var(--primary-hue), 100%, 38%);
    --color-accent-glow: hsla(var(--primary-hue), 100%, 38%, 0.25);
    --color-text-highlight: hsl(var(--primary-hue), 100%, 65%);
    
    /* Dark Theme Backgrounds with a hint of deep warm wine */
    --color-bg-dark: hsl(340, 15%, 4%);
    --color-bg-panel: hsla(340, 15%, 7%, 0.75);
    --color-border: hsla(0, 0%, 100%, 0.06);
    --color-border-hover: hsla(var(--primary-hue), 100%, 45%, 0.3);
    
    --text-main: hsl(340, 5%, 85%);
    --text-muted: hsl(340, 5%, 62%);
    --text-bright: hsl(0, 0%, 100%);

    /* Dynamic cursor glow positions */
    --mouse-x: 50%;
    --mouse-y: 50%;
    
    /* Neon glow effect configs */
    --glow-spread: 15px;
    --glow-color: hsla(var(--primary-hue), 100%, 35%, 0.18);
    --glow-shadow: 0 0 var(--glow-spread) var(--glow-color);

    /* Fonts */
    --font-heading: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    --font-body: 'Outfit', system-ui, -apple-system, sans-serif;
    
    /* Layout */
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
    --border-radius-sm: 10px;
    
    /* Physics-based transitions for premium smoothness */
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base resets & document settings */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    font-weight: 400;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
    position: relative;
    padding: 3rem 1.5rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Background & Reactive Blobs
   ========================================================================== */

/* Subtle background grid pattern overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(hsla(var(--primary-hue), 100%, 23%, 0.08) 1px, transparent 1px),
        radial-gradient(hsla(var(--primary-hue), 100%, 23%, 0.05) 1.5px, transparent 1.5px);
    background-size: 24px 24px, 48px 48px;
    z-index: -2;
    pointer-events: none;
}

/* Interactive cursor glow tracking element */
.mouse-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, hsla(var(--primary-hue), 100%, 25%, 0.12) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: transform 0.2s cubic-bezier(0.1, 0.8, 0.3, 1);
    will-change: transform;
}

.blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -2;
    opacity: 0.3;
    pointer-events: none;
    animation: blob-float 22s infinite ease-in-out alternate;
    will-change: transform;
}

.blob-purple {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, hsla(var(--primary-hue), 100%, 23%, 0.85) 0%, transparent 80%);
    top: -150px;
    left: -150px;
}

.blob-blue {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, hsla(var(--accent-hue), 100%, 35%, 0.7) 0%, transparent 80%);
    bottom: -150px;
    right: -100px;
    animation-delay: -7s;
}

.blob-emerald {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, hsla(var(--primary-hue), 100%, 45%, 0.4) 0%, transparent 80%);
    top: 35%;
    left: 40%;
    animation-delay: -14s;
}

@keyframes blob-float {
    0% {
        transform: translate(0px, 0px) scale(1) rotate(0deg);
    }
    33% {
        transform: translate(60px, -80px) scale(1.15) rotate(120deg);
    }
    66% {
        transform: translate(-50px, 40px) scale(0.9) rotate(240deg);
    }
    100% {
        transform: translate(0px, 0px) scale(1) rotate(360deg);
    }
}

/* ==========================================================================
   Main Layout Structure & Entrance Animations
   ========================================================================== */

.dashboard-container {
    width: 100%;
    max-width: 1150px;
    display: grid;
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 2rem;
    z-index: 1;
}

/* Keyframe entrance animations */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translate3d(-40px, 0, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translate3d(40px, 0, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 30px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

/* ==========================================================================
   Sidebar (Profile Card)
   ========================================================================== */

.profile-card {
    background: var(--color-bg-panel);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), var(--glow-shadow);
    transition: var(--transition-smooth);
    animation: fadeInLeft 1s cubic-bezier(0.16, 1, 0.3, 1) both;
    will-change: transform, opacity, box-shadow;
    width: 100%;
    max-width: 340px;
    align-self: start;
}

.profile-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6), 0 0 calc(var(--glow-spread) + 5px) var(--glow-color);
}

.profile-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 2.2rem;
}

.avatar-container {
    position: relative;
    width: 96px;
    height: 96px;
    margin-bottom: 1.5rem;
}

.avatar-glow {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-text-highlight));
    filter: blur(8px);
    opacity: 0.6;
    animation: pulse-glow 3s infinite alternate;
}

.avatar-inner {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: hsl(340, 15%, 5%);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-text {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.2rem;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--color-text-highlight), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title-primary {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-bright);
    letter-spacing: -0.5px;
    margin-bottom: 0.4rem;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.status-list {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

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

.status-value {
    color: var(--text-main);
    font-family: var(--font-heading);
    font-weight: 600;
}

.highlight-cyan {
    color: var(--color-text-highlight);
    text-shadow: 0 0 12px hsla(var(--primary-hue), 100%, 65%, 0.25);
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 24px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.badge-green {
    background-color: hsla(140, 80%, 40%, 0.12);
    color: hsl(140, 85%, 55%);
    border: 1px solid hsla(140, 85%, 55%, 0.25);
    position: relative;
    padding-left: 1.4rem;
}

.badge-green::before {
    content: '';
    position: absolute;
    left: 0.55rem;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: hsl(140, 85%, 55%);
    box-shadow: 0 0 8px hsl(140, 85%, 55%);
    animation: beacon 2s infinite;
}

@keyframes beacon {
    0% { transform: translateY(-50%) scale(1); opacity: 1; }
    50% { transform: translateY(-50%) scale(1.4); opacity: 0.5; }
    100% { transform: translateY(-50%) scale(1); opacity: 1; }
}

.divider {
    height: 1px;
    background: var(--color-border);
    margin: 2rem 0;
}

.footer-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.5;
    text-align: center;
}

.version-tag {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.2rem 0.6rem;
    background: hsla(0, 0%, 100%, 0.03);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: var(--font-heading);
    color: var(--text-muted);
}

@keyframes pulse-glow {
    0% {
        opacity: 0.5;
        filter: blur(6px) scale(0.97);
    }
    100% {
        opacity: 0.8;
        filter: blur(10px) scale(1.03);
    }
}

/* ==========================================================================
   Laboratory Content Area
   ========================================================================== */

.sandbox-area {
    background: var(--color-bg-panel);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
    transition: var(--transition-smooth);
    animation: fadeInRight 1s cubic-bezier(0.16, 1, 0.3, 1) both;
    will-change: transform, opacity;
}

.sandbox-area:hover {
    border-color: var(--color-border-hover);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 2.2rem;
    position: relative;
    padding-bottom: 0.8rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 2px;
}

.tools-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tool-card {
    background: hsla(340, 12%, 8%, 0.45);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 1.8rem;
    transition: var(--transition-smooth);
    will-change: transform, border-color, box-shadow;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Stagger grid entrances for high-end look */
.tool-card:nth-child(1) { animation-delay: 0.15s; }
.tool-card:nth-child(2) { animation-delay: 0.3s; }
.tool-card:nth-child(3) { animation-delay: 0.45s; }
.tool-card:nth-child(4) { animation-delay: 0.6s; }

.tool-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px) scale(1.005);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 15px hsla(var(--primary-hue), 100%, 23%, 0.1);
}

.tool-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.tool-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: hsla(var(--primary-hue), 100%, 45%, 0.08);
    border: 1px solid hsla(var(--primary-hue), 100%, 45%, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: var(--transition-smooth);
}

.tool-card:hover .tool-icon {
    background: hsla(var(--primary-hue), 100%, 45%, 0.18);
    border-color: var(--color-text-highlight);
    box-shadow: 0 0 10px hsla(var(--primary-hue), 100%, 45%, 0.4);
}

.tool-icon::before {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 3px;
    border: 2px solid var(--color-accent);
    transition: var(--transition-smooth);
}

.icon-network::before {
    border-radius: 50%;
    background-color: var(--color-accent);
    width: 12px;
    height: 12px;
}

.icon-theme::before {
    transform: rotate(45deg);
    border-color: var(--color-accent);
}

.icon-code::before {
    content: '</>';
    position: static;
    width: auto;
    height: auto;
    border: none;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 600;
    white-space: nowrap;
    display: inline-block;
}

.tool-card:hover .icon-code::before {
    color: var(--color-text-highlight);
}

.icon-analytics::before {
    content: '\f201'; /* Font Awesome chart-line glyph */
    position: static;
    width: auto;
    height: auto;
    border: none;
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.95rem;
    color: var(--color-accent);
    display: inline-block;
    transition: var(--transition-fast);
}

.tool-card:hover .icon-analytics::before {
    color: var(--color-text-highlight);
    transform: scale(1.1);
}

.tool-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-bright);
}

.tool-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.55;
}

/* ==========================================================================
   Interactive UI Components
   ========================================================================== */

/* Buttons */
.btn {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    outline: none;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    color: var(--text-bright);
    box-shadow: 0 4px 16px hsla(var(--primary-hue), 100%, 25%, 0.4);
}

.btn-primary:hover {
    filter: brightness(1.15);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px hsla(var(--primary-hue), 100%, 25%, 0.55);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: hsla(0, 0%, 100%, 0.04);
    color: var(--text-bright);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: hsla(0, 0%, 100%, 0.08);
    border-color: hsla(var(--primary-hue), 100%, 45%, 0.4);
    transform: translateY(-2px);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

/* Ping Results Widget */
.ping-results {
    margin-top: 1.2rem;
    min-height: 2.6rem;
    display: flex;
    align-items: center;
    background: hsla(340, 15%, 4%, 0.4);
    border-radius: var(--border-radius-sm);
    padding: 0.6rem 1rem;
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.ping-idle-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.ping-graph-wrapper {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
}

.ping-bar-container {
    flex: 1;
    height: 8px;
    background: hsla(0, 0%, 100%, 0.04);
    border-radius: 4px;
    overflow: hidden;
}

.ping-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-text-highlight));
    border-radius: 4px;
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
}

.ping-value {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-highlight);
    min-width: 65px;
    text-align: right;
}

/* Sliders */
.slider-group {
    margin-bottom: 1.5rem;
}

.slider-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

.slider-input {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: hsla(0, 0%, 100%, 0.05);
    border-radius: 3px;
    outline: none;
    transition: var(--transition-fast);
}

.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 12px var(--color-accent);
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-input::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border: none;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 12px var(--color-accent);
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-input::-webkit-slider-thumb:hover {
    transform: scale(1.25);
    background: var(--color-text-highlight);
    box-shadow: 0 0 16px var(--color-text-highlight);
}

.slider-input::-moz-range-thumb:hover {
    transform: scale(1.25);
    background: var(--color-text-highlight);
    box-shadow: 0 0 16px var(--color-text-highlight);
}

/* Color dot chooser */
.color-options {
    display: flex;
    gap: 1rem;
}

.color-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2.5px solid transparent;
    cursor: pointer;
    transition: var(--transition-bounce);
    will-change: transform;
}

.color-dot[data-color="crimson"] {
    background-color: hsl(var(--theme-crimson), 100%, 35%);
}

.color-dot[data-color="blue"] {
    background-color: hsl(var(--theme-blue), 85%, 65%);
}

.color-dot[data-color="emerald"] {
    background-color: hsl(var(--theme-emerald), 85%, 65%);
}

.color-dot[data-color="amber"] {
    background-color: hsl(var(--theme-amber), 85%, 65%);
}

.color-dot.active {
    border-color: var(--text-bright);
    box-shadow: 0 0 12px var(--color-accent);
    transform: scale(1.25);
}

/* Dev utility items */
.util-actions {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.util-output-box {
    background: hsla(340, 15%, 4%, 0.5);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    font-family: monospace;
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.util-output-box code {
    color: var(--color-text-highlight);
    word-break: break-all;
    user-select: all;
    padding-right: 2.5rem;
}

.btn-copy {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    position: absolute;
    right: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
}

.btn-copy:hover {
    color: var(--text-bright);
    background: hsla(0, 0%, 100%, 0.05);
}

.btn-copy:active {
    transform: translateY(-50%) scale(0.9);
}

/* ==========================================================================
   Responsive Grid & Refinements
   ========================================================================== */

@media (max-width: 960px) {
    .dashboard-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    body {
        padding: 2rem 1rem;
    }
    
    .profile-card, .sandbox-area {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .profile-card, .sandbox-area {
        padding: 1.5rem 1.25rem;
    }
    
    .util-actions {
        flex-wrap: wrap;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .util-actions .btn {
        width: calc(50% - 0.3rem);
    }
    
    #btn-clear-test {
        width: 100%;
        margin-top: 0.4rem;
    }
}

/* ==========================================================================
   Sidebar Project & Modules Navigation
   ========================================================================== */

.nav-section {
    margin-top: 0.5rem;
    text-align: left;
    width: 100%;
}

.nav-section-title {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    font-weight: 600;
}

.nav-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-group-title {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--color-text-highlight);
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 0.2rem;
    opacity: 0.85;
}

.nav-item-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.6rem 0.85rem;
    background: hsla(0, 0%, 100%, 0.02);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.nav-item-link i {
    color: var(--color-accent);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.nav-item-link:hover {
    color: var(--text-bright);
    background: hsla(var(--primary-hue), 100%, 23%, 0.08);
    border-color: hsla(var(--primary-hue), 100%, 38%, 0.25);
    transform: translateX(3px);
}

.nav-item-link:hover i {
    color: var(--color-text-highlight);
    transform: scale(1.1);
}