/* munj.uk — Void Interface Styles */
/* HUD overlay architecture with dopamine-neon on void */

:root {
    --neon-primary: #ff2d78;
    --neon-secondary: #a6ff00;
    --neon-tertiary: #00e5ff;
    --void: #0a0812;
    --void-edge: #0d0a18;
    --surface: #1a1228;
    --text-primary: #e8e0d8;
    --text-secondary: #8a7e9b;
    --border: #2a2040;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--void);
    background-image:
        radial-gradient(ellipse at center, var(--void) 0%, var(--void-edge) 100%),
        radial-gradient(circle, var(--text-secondary) 1px, transparent 1px);
    background-size: 100% 100%, 20px 20px;
    background-blend-mode: normal;
    color: var(--text-primary);
    font-family: 'EB Garamond', Georgia, serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.7;
    letter-spacing: 0.01em;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    position: relative;
    animation: hueShift 60s linear infinite;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(circle, var(--text-secondary) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.03;
    pointer-events: none;
    z-index: 0;
}

@keyframes hueShift {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(30deg); }
}

/* Boot overlay */
#boot-overlay {
    position: fixed;
    inset: 0;
    background: var(--void);
    z-index: 1000;
    animation: bootFade 0.5s ease-out 3s forwards;
    pointer-events: none;
}

@keyframes bootFade {
    to { opacity: 0; }
}

/* Kanji ghost watermarks */
.kanji-ghost {
    position: fixed;
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: 20vw;
    color: rgba(138, 126, 155, 0.03);
    pointer-events: none;
    z-index: 1;
    user-select: none;
}

.kanji-ghost-1 {
    top: 10%;
    left: 5%;
    animation: kanjiDrift1 120s linear infinite;
}

.kanji-ghost-2 {
    top: 50%;
    right: 10%;
    animation: kanjiDrift2 120s linear infinite;
}

.kanji-ghost-3 {
    bottom: 5%;
    left: 40%;
    animation: kanjiDrift3 120s linear infinite;
}

@keyframes kanjiDrift1 {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes kanjiDrift2 {
    from { transform: rotate(120deg); }
    to { transform: rotate(480deg); }
}

@keyframes kanjiDrift3 {
    from { transform: rotate(240deg); }
    to { transform: rotate(600deg); }
}

/* HUD Frame */
#hud-frame {
    position: fixed;
    inset: 0;
    z-index: 10;
    pointer-events: none;
}

#hud-frame > * {
    pointer-events: auto;
}

/* Corner brackets */
.corner-bracket {
    position: fixed;
    z-index: 20;
    opacity: 0;
    animation: bracketFadeIn 0.8s ease-out 0.5s forwards;
    transition: filter 0.3s ease;
}

.corner-bracket:hover svg path {
    stroke: var(--neon-primary);
    transition: stroke 0.3s ease;
}

.corner-tl { top: 1rem; left: 1rem; }
.corner-tr { top: 1rem; right: 1rem; }
.corner-bl { bottom: 1rem; left: 1rem; }
.corner-br { bottom: 1rem; right: 1rem; }

.corner-tl:hover svg path { stroke: var(--neon-primary); }
.corner-tr:hover svg path { stroke: var(--neon-tertiary); }
.corner-bl:hover svg path { stroke: var(--neon-secondary); }
.corner-br:hover svg path { stroke: var(--neon-primary); }

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

/* HUD elements base */
.hud-element {
    position: fixed;
    z-index: 15;
}

/* Top-left: Wordmark */
#hud-wordmark {
    top: 1.5rem;
    left: 1.5rem;
    opacity: 0;
    animation: fadeIn 0.6s ease-out 2s forwards;
}

.wordmark {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(2.5rem, 6vw, 5.5rem);
    letter-spacing: 0.04em;
    line-height: 1.1;
    color: var(--text-primary);
    transition: text-shadow 0.3s ease;
    cursor: default;
}

.wordmark:hover {
    text-shadow: 0 0 20px rgba(255, 45, 120, 0.3);
}

.descriptor {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Top-right: Time readout */
#hud-time {
    top: 1.5rem;
    right: 1.5rem;
    opacity: 0;
    animation: fadeIn 0.6s ease-out 2.5s forwards;
}

.time-box {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    border: 1px solid var(--border);
    padding: 0.5rem 0.75rem;
}

.time-label {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
    font-size: 0.6rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.time-value {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
    color: var(--neon-tertiary);
}

/* Bottom-left: Navigation */
#hud-nav {
    bottom: 1.5rem;
    left: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform 0.2s ease-out, color 0.2s ease;
    opacity: 0;
    transform: translateX(-20px);
    cursor: pointer;
}

.nav-link:nth-child(1) { animation: navSlideIn 0.4s ease-out 3s forwards; }
.nav-link:nth-child(2) { animation: navSlideIn 0.4s ease-out 3.15s forwards; }
.nav-link:nth-child(3) { animation: navSlideIn 0.4s ease-out 3.3s forwards; }
.nav-link:nth-child(4) { animation: navSlideIn 0.4s ease-out 3.45s forwards; }

@keyframes navSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.nav-bar {
    display: inline-block;
    width: 20px;
    height: 1px;
    background: var(--neon-primary);
    transition: width 0.3s ease, background 0.3s ease;
}

.nav-text {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 0.2s ease;
}

.nav-link:hover {
    transform: translateY(-4px);
    transition: transform 0.2s ease-out;
}

.nav-link:hover .nav-bar {
    width: 60px;
    background: var(--neon-secondary);
}

.nav-link:hover .nav-text {
    color: var(--neon-secondary);
}

/* Bottom-right: Status indicator */
#hud-status {
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeIn 0.6s ease-out 3s forwards;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--neon-secondary);
    animation: statusPulse 2s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(166, 255, 0, 0.4);
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.status-label {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: lowercase;
    color: var(--text-secondary);
}

/* Left edge: Section label */
#hud-section {
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%) rotate(-90deg);
    transform-origin: center center;
}

.section-text {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

/* Right edge: Progress bar */
#hud-progress {
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    height: 30vh;
}

.progress-track {
    width: 2px;
    height: 100%;
    background: var(--border);
    position: relative;
    border-radius: 1px;
}

.progress-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(to top, var(--neon-secondary), var(--neon-tertiary));
    border-radius: 1px;
    transition: height 0.3s ease;
}

/* Center: Wave-form */
#center-void {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 200px;
    z-index: 5;
    pointer-events: none;
}

#waveform {
    width: 100%;
    height: 100%;
    overflow: visible;
    opacity: 0;
    animation: waveDrawIn 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.5s forwards;
}

#wave-path {
    filter: drop-shadow(0 0 6px rgba(0, 229, 255, 0.3));
    stroke-dasharray: 3000;
    stroke-dashoffset: 3000;
    animation: waveDraw 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.5s forwards;
}

@keyframes waveDrawIn {
    to { opacity: 1; }
}

@keyframes waveDraw {
    to { stroke-dashoffset: 0; }
}

/* Generic fade in */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Content Panels */
.content-panel {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: min(420px, 80vw);
    max-height: 70vh;
    overflow-y: auto;
    background: rgba(26, 18, 40, 0.85);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border);
    padding: 2rem;
    z-index: 50;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.content-panel.panel-left {
    left: 2rem;
    transform: translateY(-50%) translateX(-30px) translateY(4px);
}

.content-panel.panel-right {
    right: 2rem;
    transform: translateY(-50%) translateX(30px) translateY(4px);
}

.content-panel.panel-left.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(-50%) translateX(0) translateY(0);
}

.content-panel.panel-right.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(-50%) translateX(0) translateY(0);
}

.panel-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 1.2rem;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    font-family: 'IBM Plex Mono', monospace;
    line-height: 1;
}

.panel-close:hover {
    transform: rotate(90deg);
    color: var(--neon-primary);
    border-color: var(--neon-primary);
}

.panel-title {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    letter-spacing: 0.04em;
    line-height: 1.1;
    color: var(--neon-primary);
    margin-bottom: 1.5rem;
}

.panel-body {
    font-family: 'EB Garamond', Georgia, serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.7;
    letter-spacing: 0.01em;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.panel-body.secondary {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.neon-link {
    color: var(--neon-tertiary);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    transition: text-shadow 0.3s ease;
    cursor: pointer;
}

.neon-link:hover {
    text-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
}

/* Scrollbar styling for content panels */
.content-panel::-webkit-scrollbar {
    width: 2px;
}

.content-panel::-webkit-scrollbar-track {
    background: transparent;
}

.content-panel::-webkit-scrollbar-thumb {
    background: var(--border);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .wordmark {
        font-size: clamp(1.8rem, 8vw, 3rem);
    }

    #center-void {
        width: 80vw;
    }

    .content-panel {
        width: min(360px, 85vw);
        padding: 1.5rem;
    }

    .content-panel.panel-left,
    .content-panel.panel-right {
        left: 50%;
        right: auto;
    }

    .content-panel.panel-left {
        transform: translateY(-50%) translateX(-50%) translateY(4px);
    }

    .content-panel.panel-right {
        transform: translateY(-50%) translateX(-50%) translateY(4px);
    }

    .content-panel.panel-left.active,
    .content-panel.panel-right.active {
        transform: translateY(-50%) translateX(-50%) translateY(0);
    }

    .corner-bracket {
        display: none;
    }
}