/* pmt.moe - Pragmatic Magic Theory */
/* Color Palette */
:root {
    --void: #0b0b1a;
    --panel-surface: #0f0f23;
    --primary-neon: #c084fc;
    --secondary-neon: #06d6a0;
    --tertiary-neon: #ff006e;
    --warm-neon: #ffbe0b;
    --text-primary: #d4d4e8;
    --text-muted: #b8a9c9;
    --holo-blue: #3a86ff;
    --glow-highlight: #e0aaff;
    --dark-navy: #1a1a3e;
}

@property --angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--void);
    color: var(--text-primary);
    font-family: 'Exo 2', sans-serif;
    font-weight: 400;
    font-size: clamp(0.95rem, 1.8vw, 1.15rem);
    line-height: 1.75;
    letter-spacing: 0.01em;
    overflow-x: hidden;
    min-height: 750vh;
}

/* Noise Texture Overlay */
#noise-overlay {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.04;
    mix-blend-mode: overlay;
    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='0.65' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    animation: grain 0.5s steps(4) infinite;
}

@keyframes grain {
    0% { transform: translate(0, 0); }
    10% { transform: translate(-1%, -1%); }
    20% { transform: translate(1%, 0.5%); }
    30% { transform: translate(-0.5%, 1%); }
    40% { transform: translate(0.5%, -0.5%); }
    50% { transform: translate(-1%, 0.5%); }
    60% { transform: translate(1%, -1%); }
    70% { transform: translate(0, 1%); }
    80% { transform: translate(-1%, -0.5%); }
    90% { transform: translate(0.5%, 0.5%); }
    100% { transform: translate(0, 0); }
}

/* Page Edge Markers */
#page-edge-markers {
    position: fixed;
    right: 8px;
    top: 0;
    bottom: 0;
    width: 60px;
    z-index: 100;
    pointer-events: none;
}

.edge-marker {
    position: absolute;
    right: 0;
    height: 2px;
    background: var(--holo-blue);
    opacity: 0.2;
    transition: opacity 0.4s ease, width 0.4s ease;
}

.edge-marker.active {
    opacity: 1;
    box-shadow: 0 0 8px var(--holo-blue);
}

/* TOC Sigil */
#toc-sigil {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    cursor: pointer;
    animation: float 6s ease-in-out infinite;
    transition: transform 0.3s ease;
}

#toc-sigil:hover {
    transform: scale(1.15);
}

#toc-sigil svg {
    filter: drop-shadow(0 0 8px rgba(192, 132, 252, 0.4));
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

/* TOC Menu */
#toc-menu {
    position: fixed;
    bottom: 90px;
    right: 20px;
    z-index: 999;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid var(--primary-neon);
    border-radius: 8px;
    padding: 16px 20px;
    transition: opacity 0.3s ease, transform 0.3s ease;
    box-shadow: 0 0 30px rgba(192, 132, 252, 0.15);
}

#toc-menu.hidden {
    opacity: 0;
    transform: translateY(10px) scale(0.95);
    pointer-events: none;
}

.toc-item {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 6px 0;
    cursor: pointer;
    transition: color 0.2s ease;
}

.toc-item:hover {
    color: var(--glow-highlight);
}

.toc-marker {
    color: var(--secondary-neon);
    margin-right: 10px;
    font-weight: bold;
}

/* Panel Sections */
.panel-section {
    position: relative;
    padding: 40px 20px;
}

.void-gap {
    position: relative;
}

/* Cover Section */
.cover-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cover-content {
    text-align: center;
    animation: breathe 8s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.005); }
}

.cover-sigil {
    opacity: 0;
    animation: sigilFadeIn 1s ease 1.2s forwards;
}

.sigil-svg {
    filter: drop-shadow(0 0 15px rgba(192, 132, 252, 0.4));
    animation: sigilPulse 4s ease-in-out infinite;
}

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

@keyframes sigilPulse {
    0%, 100% { filter: drop-shadow(0 0 15px rgba(192, 132, 252, 0.4)); }
    50% { filter: drop-shadow(0 0 25px rgba(192, 132, 252, 0.6)); }
}

.cover-title {
    font-family: 'Exo 2', sans-serif;
    font-weight: 700;
    font-size: clamp(2.2rem, 5.5vw, 4.8rem);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--glow-highlight);
    text-shadow: 0 0 20px rgba(192, 132, 252, 0.5), 0 0 60px rgba(192, 132, 252, 0.2);
    margin-top: 30px;
    opacity: 0;
}

.cover-title.revealed {
    opacity: 1;
}

.cover-title .letter {
    display: inline-block;
    opacity: 0;
    animation: letterReveal 0.4s ease forwards;
}

.cover-title .letter.space {
    width: 0.3em;
}

@keyframes letterReveal {
    0% {
        opacity: 0;
        filter: blur(8px);
        color: var(--dark-navy);
        background: linear-gradient(90deg, var(--panel-surface) 25%, var(--dark-navy) 50%, var(--panel-surface) 75%);
        background-size: 200% 100%;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    50% {
        opacity: 0.6;
        filter: blur(4px);
    }
    100% {
        opacity: 1;
        filter: blur(0);
        background: none;
        -webkit-background-clip: unset;
        -webkit-text-fill-color: unset;
        color: var(--glow-highlight);
    }
}

.cover-subtitle {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.1rem;
    letter-spacing: 0.15em;
    color: var(--secondary-neon);
    margin-top: 15px;
    opacity: 0;
}

.cover-subtitle.revealed {
    opacity: 1;
}

.cover-subtitle .char {
    display: inline-block;
    opacity: 0;
    animation: charBlink 0.1s ease forwards;
}

@keyframes charBlink {
    0% { opacity: 0; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Broken Grid Layout */
.broken-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
}

.full-width-grid {
    max-width: 1400px;
}

.dense-grid {
    grid-auto-rows: minmax(180px, auto);
}

/* Codex Panels */
.codex-panel {
    background: rgba(15, 15, 35, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--primary-neon);
    border-radius: 4px;
    padding: 30px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.codex-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.08;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 128 128' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' 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;
}

.full-width-panel {
    padding: 50px 60px;
}

/* Diagram Panels */
.diagram-panel {
    background: rgba(15, 15, 35, 0.7);
    backdrop-filter: blur(6px);
    border-radius: 4px;
    padding: 20px;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.holographic-border {
    position: absolute;
    inset: 0;
    border-radius: 4px;
    padding: 2px;
    background: conic-gradient(from var(--angle), #ff006e, #8338ec, #3a86ff, #06d6a0, #ffbe0b, #ff006e);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: shimmer 3s linear infinite;
    pointer-events: none;
}

@keyframes shimmer {
    to { --angle: 360deg; }
}

/* Margin Notes */
.margin-note {
    font-family: 'Caveat', cursive;
    font-size: clamp(0.85rem, 1.5vw, 1.1rem);
    line-height: 1.4;
    color: var(--text-muted);
    padding: 15px;
    position: relative;
    z-index: 3;
}

.margin-note p {
    font-family: 'Caveat', cursive;
    text-align: left;
}

/* Skeleton Loading */
.skeleton-mask {
    position: absolute;
    inset: 0;
    z-index: 10;
    background: rgba(15, 15, 35, 0.95);
    transition: opacity 0.6s ease;
    pointer-events: none;
}

.skeleton-mask::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--panel-surface) 25%, var(--dark-navy) 50%, var(--panel-surface) 75%);
    background-size: 200% 100%;
    animation: skeletonShimmer 1.5s ease-in-out infinite;
}

@keyframes skeletonShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.panel-reveal.revealed .skeleton-mask {
    opacity: 0;
}

.panel-reveal .panel-content {
    opacity: 0;
    filter: blur(4px);
    transition: opacity 0.6s ease 0.8s, filter 0.6s ease 0.8s;
}

.panel-reveal.revealed .panel-content {
    opacity: 1;
    filter: blur(0);
}

/* Permanent Skeleton (Ghost Panels) */
.permanent-skeleton {
    position: relative;
    z-index: 1;
    padding: 20px;
}

.permanent-skeleton::after {
    display: none;
}

.ghost-panel {
    opacity: 0.7;
}

.skeleton-line {
    height: 12px;
    border-radius: 6px;
    margin-bottom: 12px;
    background: linear-gradient(90deg, var(--panel-surface) 25%, var(--dark-navy) 50%, var(--panel-surface) 75%);
    background-size: 200% 100%;
    animation: skeletonShimmer 1.5s ease-in-out infinite;
}

.skeleton-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto;
    background: linear-gradient(90deg, var(--panel-surface) 25%, var(--dark-navy) 50%, var(--panel-surface) 75%);
    background-size: 200% 100%;
    animation: skeletonShimmer 1.5s ease-in-out infinite;
}

/* Typography */
.chapter-title {
    font-family: 'Exo 2', sans-serif;
    font-weight: 700;
    font-size: clamp(1.6rem, 4vw, 2.8rem);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--glow-highlight);
    text-shadow: 0 0 20px rgba(192, 132, 252, 0.5), 0 0 60px rgba(192, 132, 252, 0.2);
    margin-bottom: 15px;
}

.chapter-title.centered {
    text-align: center;
}

.subsection-title {
    font-family: 'Exo 2', sans-serif;
    font-weight: 700;
    font-size: clamp(1.1rem, 2.5vw, 1.6rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary-neon);
    text-shadow: 0 0 15px rgba(192, 132, 252, 0.3);
    margin-bottom: 12px;
}

p {
    margin-bottom: 16px;
    text-align: justify;
    hyphens: auto;
}

em {
    color: var(--glow-highlight);
    font-style: italic;
}

/* Chapter Ornament */
.chapter-ornament {
    margin-bottom: 25px;
}

.chapter-ornament.centered {
    text-align: center;
}

.ornament-path {
    stroke-dasharray: 300;
    stroke-dashoffset: 300;
    transition: stroke-dashoffset 1.5s ease;
}

.panel-reveal.revealed .ornament-path {
    stroke-dashoffset: 0;
}

/* Margin Sigils */
.margin-sigil {
    position: absolute;
    left: -5px;
    top: 30px;
    opacity: 0.4;
    transition: opacity 0.3s ease;
}

.margin-sigil:hover {
    opacity: 1;
}

/* Footnote Markers */
.footnote-marker {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--tertiary-neon);
    vertical-align: super;
    margin-left: 3px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.3); }
}

/* Diagram Labels */
.diagram-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    fill: var(--secondary-neon);
}

.large-label {
    font-size: 12px;
    fill: var(--primary-neon);
}

/* Diagram Nodes & Lines */
.diagram-node, .circuit-node {
    filter: drop-shadow(0 0 4px currentColor);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.diagram-line, .circuit-line {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    transition: stroke-dashoffset 0.8s ease;
}

.circuit-node.revealed {
    opacity: 1;
}

.circuit-line.revealed {
    stroke-dashoffset: 0;
}

/* Grand Circuit */
.grand-circuit {
    padding: 30px 0;
}

.circuit-main {
    animation: diagramRotate 120s linear infinite;
    transform-origin: center;
}

@keyframes diagramRotate {
    0% { transform: perspective(800px) rotateY(-5deg); }
    50% { transform: perspective(800px) rotateY(5deg); }
    100% { transform: perspective(800px) rotateY(-5deg); }
}

/* Sigil Section (Footer) */
.sigil-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sigil-content {
    text-align: center;
}

.final-sigil {
    position: relative;
    display: inline-block;
    margin-bottom: 30px;
}

.holographic-border-ring {
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    padding: 3px;
    background: conic-gradient(from var(--angle), #ff006e, #8338ec, #3a86ff, #06d6a0, #ffbe0b, #ff006e);
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #fff calc(100% - 3px));
    animation: shimmer 3s linear infinite;
}

.final-sigil-svg {
    filter: drop-shadow(0 0 20px rgba(192, 132, 252, 0.5));
    animation: finalSigilRotate 60s linear infinite;
}

@keyframes finalSigilRotate {
    to { transform: rotate(360deg); }
}

.final-text {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    color: var(--secondary-neon);
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 1s ease;
}

.final-text.revealed {
    opacity: 1;
}

/* Small circuit diagrams */
.circuit-diagram-small .diagram-node {
    opacity: 1;
    filter: drop-shadow(0 0 4px currentColor);
}

.circuit-diagram-small .diagram-line {
    stroke-dasharray: none;
    stroke-dashoffset: 0;
}

/* Mobile Adaptation */
@media (max-width: 768px) {
    .broken-grid {
        display: flex;
        flex-direction: column;
        gap: 20px;
        padding: 15px;
    }

    .codex-panel, .diagram-panel, .margin-note {
        grid-column: unset !important;
        grid-row: unset !important;
    }

    .margin-note {
        margin-left: -5px;
        margin-top: -10px;
    }

    .full-width-panel {
        padding: 30px 20px;
    }

    .cover-title {
        font-size: clamp(1.6rem, 8vw, 2.8rem);
    }

    #toc-menu {
        bottom: 80px;
        right: 10px;
    }

    #toc-sigil {
        bottom: 20px;
        right: 20px;
    }

    .dense-grid {
        grid-auto-rows: unset;
    }

    .grand-circuit svg {
        max-height: 300px;
    }
}

/* Panel reveal animation */
.panel-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.panel-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.ghost-panel {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.ghost-panel.visible {
    opacity: 0.7;
    transform: translateY(0);
}