/* =========================================================
   mujun.io — Celestial Dashboard of Contradiction
   ========================================================= */

:root {
    --void-black: #0A0A0F;
    --deep-panel: #121218;
    --border-dim: #3D2E5C;
    --accent-primary: #FF6B4A;
    --accent-secondary: #7B5CFF;
    --star-white: #E8E3F3;
    --subtext: #8A7EB5;
    --contradiction-glow: #FF3366;
    --shield-tint: #00D4AA;

    --font-display: 'Zen Kaku Gothic New', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;

    --grid-gap: clamp(16px, 2vw, 32px);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.75;
    letter-spacing: 0.01em;
    background-color: var(--void-black);
    color: var(--star-white);
    overflow-x: hidden;
    position: relative;
}

/* =========== SVG FILTERS (hidden) =========== */
.svg-filters {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* =========== GRAIN OVERLAY SYSTEM =========== */

/* Base body grain — 4% opacity, fixed */
.grain-body {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 200px 200px;
}

/* Panel grain — 6% opacity, different seed */
.panel-grain {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.06;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='4' seed='42' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 200px 200px;
    border-radius: inherit;
    transition: opacity 0.4s ease, filter 0.4s ease;
}

/* Highlight grain on hover — warmer, 10% */
.contradiction-panel:hover .panel-grain,
.synthesis-panel:hover .panel-grain {
    opacity: 0.10;
    filter: sepia(0.3);
}

/* =========== STARFIELD =========== */
.starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.star {
    position: absolute;
    border-radius: 50%;
    background: var(--star-white);
}

.star--coral {
    background: var(--accent-primary);
}

.star--violet {
    background: var(--accent-secondary);
}

.star--pulse {
    animation: starPulse var(--pulse-duration, 5s) ease-in-out infinite;
}

@keyframes starPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* =========== CONTRADICTION SIGIL WATERMARK =========== */
.sigil-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
    transition: opacity 0.6s ease;
}

.contradiction-sigil {
    width: 300px;
    height: 300px;
    opacity: 0.03;
    animation: sigilRotate 360s linear infinite;
    transition: opacity 0.6s ease, animation-duration 0.6s ease;
}

.sigil-container.sigil-hover .contradiction-sigil {
    opacity: 0.15;
    animation-duration: 120s;
}

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

/* =========== NAVIGATION DIAMONDS =========== */
.nav-diamonds {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 18px;
    z-index: 9999;
}

.diamond {
    width: 10px;
    height: 10px;
    background-color: var(--border-dim);
    border: none;
    cursor: pointer;
    transform: rotate(45deg);
    transition: background-color 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.diamond:hover {
    background-color: var(--accent-secondary);
    transform: rotate(45deg) scale(1.4);
}

.diamond.active {
    background-color: var(--accent-primary);
    transform: rotate(45deg) scale(1.5);
}

/* =========== MAIN DASHBOARD =========== */
.dashboard {
    position: relative;
    z-index: 2;
}

/* =========== HERO OBSERVATORY =========== */
.hero-observatory {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: radial-gradient(ellipse at center, rgba(123, 92, 255, 0.06) 0%, transparent 70%);
}

.hero-stars {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-constellation {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.constellation-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 5;
    overflow: visible;
}

.constellation-lines line {
    stroke: var(--border-dim);
    stroke-width: 0.5;
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    transition: stroke-dashoffset 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.constellation-lines.drawn line {
    stroke-dashoffset: 0;
}

.domain-letters {
    display: flex;
    gap: 0;
    position: relative;
    z-index: 10;
}

.star-letter {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 12vw, 10rem);
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--star-white);
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-block;
    position: relative;
    text-shadow: 0 0 30px rgba(232, 227, 243, 0.3);
}

.star-letter.visible {
    opacity: 1;
    transform: scale(1);
}

.star-letter::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    background: var(--star-white);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    box-shadow: 0 0 8px var(--star-white);
}

.star-letter:not(.visible)::before {
    opacity: 1;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-weight: 300;
    font-size: clamp(0.9rem, 1.5vw, 1.2rem);
    color: var(--subtext);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 30px;
    position: relative;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.hero-subtitle.visible {
    opacity: 1;
}

.hero-coord {
    position: absolute;
    bottom: 40px;
    right: 60px;
    z-index: 10;
}

.coord-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--border-dim);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* =========== STARFIELD INTERLUDES =========== */
.starfield-interlude {
    position: relative;
    height: 15vh;
    background: transparent;
    overflow: hidden;
}

.interlude-stars {
    position: absolute;
    inset: 0;
    pointer-events: none;
    will-change: transform;
}

.interlude-far {
    opacity: 0.3;
}

.interlude-near {
    opacity: 0.7;
}

/* =========== CONTRADICTION SECTIONS =========== */
.contradiction-section {
    padding: clamp(40px, 8vw, 100px) clamp(20px, 4vw, 60px);
}

.grid-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--grid-gap);
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

.central-void {
    width: clamp(40px, 8vw, 120px);
    min-height: 100%;
}

/* =========== CONTRADICTION PANELS =========== */
.contradiction-panel {
    position: relative;
    background: var(--deep-panel);
    border: 1px solid var(--border-dim);
    padding: clamp(30px, 4vw, 60px);
    max-width: 520px;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.8s ease;
}

.panel-left {
    transform: translateX(-30px);
    justify-self: end;
}

.panel-right {
    transform: translateX(30px);
    justify-self: start;
}

.contradiction-panel.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Panel height variation for asymmetry */
.panel-tall {
    min-height: 420px;
}

.panel-short {
    min-height: 300px;
}

/* Panel border animation glow */
.panel-border-glow {
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    pointer-events: none;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.contradiction-panel.revealed .panel-border-glow {
    opacity: 1;
}

.panel-left .panel-border-glow {
    box-shadow: inset 0 0 0 1px var(--accent-primary);
}

.panel-right .panel-border-glow {
    box-shadow: inset 0 0 0 1px var(--shield-tint);
}

/* Panel border sweep animation */
.contradiction-panel.border-sweep {
    animation: borderSweep 0.8s ease forwards;
}

.panel-left.revealed.border-sweep {
    border-color: var(--accent-primary);
}

.panel-right.revealed.border-sweep {
    border-color: var(--shield-tint);
}

@keyframes borderSweep {
    0% { border-color: var(--border-dim); }
    50% { border-color: var(--accent-secondary); }
    100% { border-color: var(--accent-primary); }
}

/* Spear-side panel accent */
.contradiction-panel[data-side="spear"] {
    border-left: 2px solid var(--border-dim);
}

.contradiction-panel[data-side="spear"].revealed {
    border-left-color: var(--accent-primary);
}

/* Shield-side panel accent */
.contradiction-panel[data-side="shield"] {
    border-right: 2px solid var(--border-dim);
}

.contradiction-panel[data-side="shield"].revealed {
    border-right-color: var(--shield-tint);
}

/* =========== PANEL CONTENT =========== */
.panel-content {
    position: relative;
    z-index: 3;
}

.coord-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--border-dim);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 16px;
}

.panel-heading {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--star-white);
    margin-bottom: 8px;
    line-height: 1.1;
}

.panel-subheading {
    font-family: var(--font-heading);
    font-weight: 300;
    font-size: clamp(1rem, 2vw, 1.4rem);
    letter-spacing: 0.08em;
    color: var(--subtext);
    margin-bottom: 24px;
}

.panel-body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.75;
    letter-spacing: 0.01em;
    color: var(--star-white);
    margin-bottom: 16px;
    opacity: 0.85;
}

.panel-body em {
    font-weight: 600;
    color: var(--star-white);
    opacity: 1;
}

.panel-motif {
    width: 80px;
    height: 80px;
    margin-top: 24px;
    opacity: 0.5;
}

/* =========== SYNTHESIS SECTION =========== */
.synthesis-section {
    padding: clamp(60px, 10vw, 140px) clamp(20px, 4vw, 60px);
    display: flex;
    justify-content: center;
}

.synthesis-panel {
    position: relative;
    background: var(--deep-panel);
    border: 1px solid var(--border-dim);
    padding: clamp(40px, 6vw, 80px);
    max-width: 700px;
    width: 100%;
    text-align: center;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.6s ease;
}

.synthesis-panel.revealed {
    opacity: 1;
    transform: translateY(0);
    border-color: var(--accent-secondary);
}

.synthesis-heading {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    color: var(--star-white);
    text-shadow: 0 0 40px rgba(123, 92, 255, 0.4);
}

.synthesis-sigil {
    margin-top: 40px;
    display: flex;
    justify-content: center;
}

.synthesis-sigil svg {
    width: 80px;
    height: 80px;
    opacity: 0.6;
}

/* =========== VOID SECTION =========== */
.void-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
    position: relative;
}

.void-text {
    text-align: center;
    max-width: 600px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.void-text.revealed {
    opacity: 1;
    transform: translateY(0);
}

.void-quote {
    font-family: var(--font-heading);
    font-weight: 300;
    font-size: clamp(1.3rem, 3vw, 2.2rem);
    color: var(--subtext);
    letter-spacing: 0.02em;
    line-height: 1.5;
    margin-bottom: 40px;
    font-style: italic;
}

.void-answer {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: clamp(1.5rem, 4vw, 3rem);
    color: var(--star-white);
    letter-spacing: -0.02em;
    text-shadow: 0 0 60px rgba(255, 107, 74, 0.3), 0 0 120px rgba(123, 92, 255, 0.2);
}

/* =========== TERMINAL DASHBOARD FOOTER =========== */
.terminal-footer {
    background: var(--deep-panel);
    border-top: 1px solid var(--border-dim);
    padding: clamp(40px, 6vw, 80px) clamp(20px, 4vw, 60px);
    position: relative;
}

.terminal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.terminal-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.terminal-label {
    font-family: var(--font-mono);
    font-size: clamp(0.65rem, 0.8vw, 0.75rem);
    color: var(--subtext);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.terminal-value {
    font-family: var(--font-mono);
    font-size: clamp(0.75rem, 1vw, 0.9rem);
    color: var(--shield-tint);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.terminal-value::after {
    content: '\2588';
    animation: cursorBlink 1s step-end infinite;
    color: var(--shield-tint);
    margin-left: 2px;
}

@keyframes cursorBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.terminal-sigil {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(61, 46, 92, 0.3);
}

.terminal-sigil svg {
    width: 30px;
    height: 30px;
    opacity: 0.5;
}

.terminal-domain {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--subtext);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* =========== MAGNETIC INTERACTION =========== */
.magnetic-element {
    transition: transform 0.15s ease-out;
}

.magnetic-element.spring-back {
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* =========== STAR BURST EFFECT =========== */
.star-burst {
    position: fixed;
    pointer-events: none;
    z-index: 10000;
}

.burst-ray {
    position: absolute;
    width: 1px;
    height: 12px;
    background: var(--accent-primary);
    transform-origin: center bottom;
    opacity: 0;
    animation: burstFade 0.4s ease-out forwards;
}

@keyframes burstFade {
    0% {
        opacity: 0.8;
        transform: scaleY(0) rotate(var(--ray-angle));
    }
    50% {
        opacity: 0.6;
        transform: scaleY(1) rotate(var(--ray-angle));
    }
    100% {
        opacity: 0;
        transform: scaleY(1.5) rotate(var(--ray-angle)) translateY(-8px);
    }
}

/* =========== RESPONSIVE =========== */
@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .central-void {
        display: none;
    }

    .panel-left,
    .panel-right {
        justify-self: stretch;
        max-width: 100%;
    }

    .panel-left {
        transform: translateX(-20px);
    }

    .panel-right {
        transform: translateX(20px);
    }

    .nav-diamonds {
        right: 15px;
        gap: 12px;
    }

    .diamond {
        width: 8px;
        height: 8px;
    }

    .hero-coord {
        right: 20px;
        bottom: 20px;
    }

    .terminal-grid {
        grid-template-columns: 1fr;
    }

    .sigil-container {
        display: none;
    }
}

@media (max-width: 480px) {
    .panel-heading {
        font-size: 1.8rem;
    }

    .panel-subheading {
        font-size: 0.9rem;
    }
}