/* ========================================
   BIOPHILIA DESIGN SYSTEM
   Theme: Neon Nature x High-end Minimalism
   ======================================== */
:root {
    --bg-abyss: #0A0A0B;
    --flora-green: #BCFF00;
    --fauna-orchid: #D100FF;
    --fungi-gold: #FFD700;
    --pure-ether: #F5F5F7;
    
    --text-dim: rgba(245, 245, 247, 0.6);
    --text-micro: rgba(245, 245, 247, 0.3);
    
    --glass: rgba(10, 10, 11, 0.4);
    --glass-border: rgba(245, 245, 247, 0.08);
    
    --font-heading: 'Inter', -apple-system, sans-serif;
    --font-data: 'IBM Plex Mono', monospace;
}

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

html, body {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-color: var(--bg-abyss);
    font-family: var(--font-data);
    color: var(--pure-ether);
    -webkit-font-smoothing: antialiased;
    cursor: none; /* Custom cursor implementation */
}

/* ========================================
   CUSTOM CURSOR
   ======================================== */
#custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 1px solid var(--pure-ether);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease-out, background 0.3s ease;
    mix-blend-mode: difference;
    transform: translate(-50%, -50%);
}

#custom-cursor.active {
    transform: translate(-50%, -50%) scale(2.5);
    background: rgba(255, 255, 255, 0.1);
}

/* ========================================
   WEBGL CANVAS
   ======================================== */
#webgl-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
}

/* ========================================
   INTRO OVERLAY (The Seed)
   ======================================== */
.intro-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-abyss);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), visibility 1s;
}

.intro-overlay.active {
    opacity: 1;
    visibility: visible;
}

.intro-overlay:not(.active) {
    opacity: 0;
    visibility: hidden;
}

.intro-content h1 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 3.5rem;
    letter-spacing: -0.02em;
    color: var(--pure-ether);
    margin-bottom: 0.5rem;
}

.intro-content .subtitle {
    font-family: var(--font-data);
    color: var(--flora-green);
    font-size: 1.1rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 6rem; /* Significantly increased to avoid overlap */
}

.prompt {
    font-size: 1.2rem;
    margin-bottom: 3rem; /* Increased spacing */
    color: var(--pure-ether);
    opacity: 0.8;
}

.btn-primary {
    background: transparent;
    border: 1px solid var(--pure-ether); /* Stronger border */
    color: var(--pure-ether);
    padding: 1.2rem 3rem;
    font-family: var(--font-data);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    cursor: none;
    border-radius: 4px;
    margin-bottom: 3rem; /* Increased spacing */
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    backdrop-filter: blur(10px);
}

.btn-primary:hover {
    background: var(--pure-ether);
    color: var(--bg-abyss);
    border-color: var(--pure-ether);
}

.micro-text {
    color: rgba(245, 245, 247, 0.3); /* Lighter/Subtle */
    letter-spacing: 0.05em;
}

/* ========================================
   HUD & UI
   ======================================== */
.hud {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 3rem;
    opacity: 1;
    transition: opacity 1s ease;
}

.hud.hidden {
    opacity: 0;
}

/* Topbar */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: auto; /* Allow clicking hamburger */
}

/* Hamburger Button (Aligned with X) */
.btn-hamburger {
    background: transparent;
    border: none;
    width: 24px;
    height: 20px; /* Adjusted for thicker lines */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: none;
    z-index: 1001;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.btn-hamburger:hover {
    opacity: 1;
}

.btn-hamburger span {
    display: block;
    width: 100%;
    height: 3px; /* Further thickened from 2px */
    background: var(--pure-ether);
    transition: all 0.3s ease;
}

.intelligence-status {
    display: flex;
    gap: 2.5rem;
    padding: 1rem 0;
    border-radius: 2px;
}

.intelligence-status.drawer-bars {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    padding: 0;
    margin-bottom: 2rem;
}

.intel-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.intel-item .label {
    font-size: 0.6rem;
    color: var(--text-micro);
    letter-spacing: 0.15em;
}

.bar-bg {
    width: 80px;
    height: 1px;
    background: rgba(245, 245, 247, 0.1);
}

.bar-fill {
    height: 100%;
    background: var(--pure-ether);
    transition: width 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.symbiosis-bar { background: linear-gradient(to right, var(--flora-green), var(--fauna-orchid)); }

/* Hero Text */
.hero-text h2 {
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 2.4rem;
    line-height: 1.1;
    letter-spacing: -0.04em;
    color: var(--pure-ether);
    max-width: 600px;
}

/* Menu Drawer */
.menu-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 400px;
    height: 100%;
    background: rgba(10, 10, 11, 0.98);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-right: 1px solid var(--glass-border);
    z-index: 2000; /* Higher than topbar to avoid collision */
    transform: translateX(-100%);
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    pointer-events: auto;
    padding: 6rem 3rem; /* Increased top padding to avoid title overlap */
    overflow-y: auto;
}

.menu-drawer.open {
    transform: translateX(0);
}

.btn-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: transparent;
    border: none;
    color: var(--pure-ether);
    font-size: 2rem;
    cursor: none;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.btn-close:hover {
    opacity: 1;
}

.drawer-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.mode-description {
    margin-top: 1.5rem;
    font-size: 0.75rem;
    line-height: 1.6;
    color: var(--text-dim);
    min-height: 3em;
    transition: all 0.3s;
}

.audio-wave-monitor {
    margin-top: auto; /* Push to bottom */
    padding-top: 2rem;
    opacity: 0.5;
}

.project-info h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.kr-desc {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-dim);
    word-break: keep-all;
}

.divider {
    border: none;
    height: 1px;
    background: var(--glass-border);
    margin: 3rem 0;
}

.intelligence-panel {
    margin-bottom: 2.5rem;
}
.controls-panel {
    position: static; /* Changed from absolute */
    right: auto;
    top: auto;
    transform: none; /* Removed transform */
    width: 100%;
    margin-top: 3rem; /* Added margin for spacing */
}

.controls-panel h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.control-group {
    margin-bottom: 2rem;
}

.control-group label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-dim);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Custom Range */
input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 1px;
    background: rgba(245, 245, 247, 0.1);
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 24px; /* Increased for better usability */
    width: 24px;  /* Increased for better usability */
    background: var(--pure-ether);
    border-radius: 50%;
    cursor: none;
    margin-top: -11px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.mode-toggles {
    display: flex;
    gap: 0.5rem;
}

.btn-mode {
    flex: 1;
    appearance: none;
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-dim);
    padding: 0.8rem 0;
    font-family: var(--font-data);
    font-size: 0.65rem;
    cursor: none;
    text-transform: uppercase;
    transition: all 0.3s;
}

.btn-mode.active {
    background: rgba(245, 245, 247, 0.05);
    color: var(--pure-ether);
    border-color: var(--pure-ether);
}

/* Footer */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.eternal-data .label {
    font-size: 0.6rem;
    color: var(--text-micro);
    margin-bottom: 0.5rem;
}

.eternal-data .counter {
    font-family: var(--font-data);
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: -0.05em;
}

.footer-nav a {
    font-size: 0.7rem;
    color: var(--text-dim);
    text-decoration: none;
    margin-left: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-nav a:hover {
    color: var(--pure-ether);
}