/* ============================================
   ppuzzl.bar - Pixel Puzzle Board
   ============================================ */

/* CSS Custom Properties */
:root {
    --deep-board: #1A1028;
    --neon-magenta: #FF2D7B;
    --electric-cyan: #00F0FF;
    --pixel-lime: #A8FF00;
    --soft-lavender: #C8B8E8;
    --warm-cream: #FFF5E6;
    --hot-coral: #FF6B4A;
    --dark-grape: #2A1F3D;
    --near-white: #F0F0F0;

    --tile-gap: 4px;
    --board-padding: 16px;

    --font-pixel: 'Silkscreen', cursive;
    --font-body: 'DM Sans', sans-serif;
    --font-arcade: 'Press Start 2P', cursive;
}

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

html {
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
    scroll-behavior: smooth;
}

body {
    background-color: var(--deep-board);
    color: var(--near-white);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: 0.01em;
    overflow-x: hidden;
    cursor: default;
    image-rendering: pixelated;
}

/* ============================================
   Board Sections (scroll-snap)
   ============================================ */
.board-section {
    width: 100%;
    min-height: 100vh;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--board-padding);
    position: relative;
}

/* ============================================
   Puzzle Board Grid
   ============================================ */
.puzzle-board {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(7, 1fr);
    gap: var(--tile-gap);
    width: 100%;
    max-width: 1400px;
    height: calc(100vh - 80px);
    position: relative;
}

.puzzle-board--finale {
    grid-template-rows: repeat(7, 1fr);
}

/* ============================================
   Glowing Tile Seams
   ============================================ */
.puzzle-board::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: transparent;
    box-shadow:
        inset 0 0 30px rgba(0, 240, 255, 0.05),
        0 0 60px rgba(0, 240, 255, 0.03);
    pointer-events: none;
    z-index: 0;
    animation: seamGlow 4s ease-in-out infinite;
}

@keyframes seamGlow {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.25; }
}

/* ============================================
   Tiles - Base
   ============================================ */
.tile {
    position: relative;
    overflow: hidden;
    border-radius: 0;
    border: 1px solid rgba(200, 184, 232, 0.12);
    transition: box-shadow 0.3s ease;
    will-change: transform, opacity;
}

.tile::after {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.15);
    pointer-events: none;
    animation: seamGlow 4s ease-in-out infinite;
}

.tile-inner {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}

/* Grid placement via data attributes - handled by CSS grid areas */
.tile[data-col="1"][data-row="1"][data-colspan="6"][data-rowspan="4"] {
    grid-column: 1 / span 6;
    grid-row: 1 / span 4;
}
.tile[data-col="7"][data-row="1"][data-colspan="2"][data-rowspan="2"] {
    grid-column: 7 / span 2;
    grid-row: 1 / span 2;
}
.tile[data-col="9"][data-row="1"][data-colspan="2"][data-rowspan="2"] {
    grid-column: 9 / span 2;
    grid-row: 1 / span 2;
}
.tile[data-col="11"][data-row="1"][data-colspan="2"][data-rowspan="2"] {
    grid-column: 11 / span 2;
    grid-row: 1 / span 2;
}
.tile[data-col="7"][data-row="3"][data-colspan="3"][data-rowspan="2"] {
    grid-column: 7 / span 3;
    grid-row: 3 / span 2;
}
.tile[data-col="10"][data-row="3"][data-colspan="3"][data-rowspan="2"] {
    grid-column: 10 / span 3;
    grid-row: 3 / span 2;
}
.tile[data-col="1"][data-row="5"][data-colspan="4"][data-rowspan="3"] {
    grid-column: 1 / span 4;
    grid-row: 5 / span 3;
}
.tile[data-col="5"][data-row="5"][data-colspan="4"][data-rowspan="3"] {
    grid-column: 5 / span 4;
    grid-row: 5 / span 3;
}
.tile[data-col="9"][data-row="5"][data-colspan="2"][data-rowspan="1"] {
    grid-column: 9 / span 2;
    grid-row: 5 / span 1;
}
.tile[data-col="9"][data-row="6"][data-colspan="4"][data-rowspan="2"] {
    grid-column: 9 / span 4;
    grid-row: 6 / span 2;
}
.tile[data-col="11"][data-row="5"][data-colspan="2"][data-rowspan="1"] {
    grid-column: 11 / span 2;
    grid-row: 5 / span 1;
}

/* Board 2 grid placements */
.tile[data-col="1"][data-row="1"][data-colspan="4"][data-rowspan="3"] {
    grid-column: 1 / span 4;
    grid-row: 1 / span 3;
}
.tile[data-col="5"][data-row="1"][data-colspan="4"][data-rowspan="2"] {
    grid-column: 5 / span 4;
    grid-row: 1 / span 2;
}
.tile[data-col="9"][data-row="1"][data-colspan="2"][data-rowspan="2"] {
    grid-column: 9 / span 2;
    grid-row: 1 / span 2;
}
.tile[data-col="11"][data-row="1"][data-colspan="2"][data-rowspan="2"] {
    grid-column: 11 / span 2;
    grid-row: 1 / span 2;
}
.tile[data-col="5"][data-row="3"][data-colspan="4"][data-rowspan="3"] {
    grid-column: 5 / span 4;
    grid-row: 3 / span 3;
}
.tile[data-col="9"][data-row="3"][data-colspan="4"][data-rowspan="3"] {
    grid-column: 9 / span 4;
    grid-row: 3 / span 3;
}
.tile[data-col="1"][data-row="4"][data-colspan="4"][data-rowspan="3"] {
    grid-column: 1 / span 4;
    grid-row: 4 / span 3;
}
.tile[data-col="1"][data-row="7"][data-colspan="2"][data-rowspan="1"] {
    grid-column: 1 / span 2;
    grid-row: 7 / span 1;
}
.tile[data-col="3"][data-row="7"][data-colspan="5"][data-rowspan="1"] {
    grid-column: 3 / span 5;
    grid-row: 7 / span 1;
}
.tile[data-col="8"][data-row="6"][data-colspan="2"][data-rowspan="2"] {
    grid-column: 8 / span 2;
    grid-row: 6 / span 2;
}
.tile[data-col="10"][data-row="6"][data-colspan="3"][data-rowspan="2"] {
    grid-column: 10 / span 3;
    grid-row: 6 / span 2;
}

/* Board 3 grid placements */
.tile[data-col="1"][data-row="1"][data-colspan="3"][data-rowspan="3"] {
    grid-column: 1 / span 3;
    grid-row: 1 / span 3;
}
.tile[data-col="4"][data-row="1"][data-colspan="3"][data-rowspan="2"] {
    grid-column: 4 / span 3;
    grid-row: 1 / span 2;
}
.tile[data-col="7"][data-row="1"][data-colspan="3"][data-rowspan="3"] {
    grid-column: 7 / span 3;
    grid-row: 1 / span 3;
}
.tile[data-col="10"][data-row="1"][data-colspan="3"][data-rowspan="2"] {
    grid-column: 10 / span 3;
    grid-row: 1 / span 2;
}
.tile[data-col="4"][data-row="3"][data-colspan="3"][data-rowspan="2"] {
    grid-column: 4 / span 3;
    grid-row: 3 / span 2;
}
.tile[data-col="10"][data-row="3"][data-colspan="3"][data-rowspan="2"] {
    grid-column: 10 / span 3;
    grid-row: 3 / span 2;
}
.tile[data-col="1"][data-row="4"][data-colspan="3"][data-rowspan="2"] {
    grid-column: 1 / span 3;
    grid-row: 4 / span 2;
}
.tile[data-col="4"][data-row="5"][data-colspan="3"][data-rowspan="2"] {
    grid-column: 4 / span 3;
    grid-row: 5 / span 2;
}
.tile[data-col="7"][data-row="4"][data-colspan="3"][data-rowspan="3"] {
    grid-column: 7 / span 3;
    grid-row: 4 / span 3;
}
.tile[data-col="10"][data-row="5"][data-colspan="3"][data-rowspan="2"] {
    grid-column: 10 / span 3;
    grid-row: 5 / span 2;
}
.tile[data-col="1"][data-row="6"][data-colspan="3"][data-rowspan="2"] {
    grid-column: 1 / span 3;
    grid-row: 6 / span 2;
}
.tile[data-col="4"][data-row="7"][data-colspan="3"][data-rowspan="1"] {
    grid-column: 4 / span 3;
    grid-row: 7 / span 1;
}
.tile[data-col="7"][data-row="7"][data-colspan="3"][data-rowspan="1"] {
    grid-column: 7 / span 3;
    grid-row: 7 / span 1;
}
.tile[data-col="10"][data-row="7"][data-colspan="3"][data-rowspan="1"] {
    grid-column: 10 / span 3;
    grid-row: 7 / span 1;
}

/* Board 4 (finale) grid placements */
.tile[data-col="1"][data-row="1"][data-colspan="4"][data-rowspan="2"] {
    grid-column: 1 / span 4;
    grid-row: 1 / span 2;
}
.tile[data-col="5"][data-row="1"][data-colspan="4"][data-rowspan="2"] {
    grid-column: 5 / span 4;
    grid-row: 1 / span 2;
}
.tile[data-col="9"][data-row="1"][data-colspan="4"][data-rowspan="2"] {
    grid-column: 9 / span 4;
    grid-row: 1 / span 2;
}
.tile[data-col="1"][data-row="3"][data-colspan="12"][data-rowspan="5"] {
    grid-column: 1 / span 12;
    grid-row: 3 / span 5;
}

/* ============================================
   Tile Types
   ============================================ */

/* Hero Tile */
.tile-hero {
    background-color: var(--dark-grape);
}

.hero-wordmark {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5vw;
    flex-wrap: nowrap;
}

.hero-letter {
    font-family: var(--font-pixel);
    font-size: 14vw;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    color: var(--near-white);
    display: inline-block;
    line-height: 1;
    text-shadow:
        0 0 20px rgba(255, 45, 123, 0.5),
        0 0 40px rgba(255, 45, 123, 0.2);
}

.hero-letter[data-letter="p"]:first-child {
    color: var(--neon-magenta);
}
.hero-letter[data-letter="u"] {
    color: var(--electric-cyan);
}
.hero-letter[data-letter="z"]:first-of-type {
    color: var(--pixel-lime);
}
.hero-letter[data-letter="l"] {
    color: var(--hot-coral);
}

/* .bar tile */
.tile-bar {
    background-color: var(--neon-magenta);
}

.bar-text {
    font-family: var(--font-pixel);
    font-size: 4vw;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    color: var(--near-white);
    line-height: 1;
}

/* Content Tiles */
.tile-content {
    background-color: var(--dark-grape);
}

.tile-heading {
    font-family: var(--font-pixel);
    font-size: 3.5vw;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    color: var(--near-white);
    margin-bottom: 12px;
    line-height: 1.2;
}

.tile-heading--small {
    font-size: 2vw;
}

.tile-text {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 400;
    color: var(--soft-lavender);
    text-align: center;
    line-height: 1.6;
    letter-spacing: 0.01em;
    max-width: 90%;
}

/* Accent Tiles */
.tile-accent {
    overflow: hidden;
}

.accent-magenta {
    background-color: var(--neon-magenta);
}

.accent-cyan {
    background-color: var(--electric-cyan);
}

.accent-lime {
    background-color: var(--pixel-lime);
}

.accent-coral {
    background-color: var(--hot-coral);
}

.accent-glyph {
    font-family: var(--font-pixel);
    font-size: 4vw;
    color: var(--deep-board);
    line-height: 1;
    opacity: 0.7;
}

/* ============================================
   Reveal Tiles (Card Flip)
   ============================================ */
.tile-reveal {
    background-color: transparent;
    perspective: 1000px;
    cursor: pointer;
    border: none;
}

.tile-reveal::after {
    display: none;
}

.tile-flip-container {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 600ms ease-out;
    padding: 0;
}

.tile-reveal.flipped .tile-flip-container {
    transform: rotateY(180deg);
}

.tile-flip-front,
.tile-flip-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border: 1px solid rgba(200, 184, 232, 0.12);
}

.tile-flip-front {
    background-color: var(--neon-magenta);
    z-index: 2;
}

.tile-flip-front--cyan {
    background-color: var(--electric-cyan);
}

.tile-flip-front--lime {
    background-color: var(--pixel-lime);
}

.tile-flip-front--coral {
    background-color: var(--hot-coral);
}

.tile-flip-front::after {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.15);
    pointer-events: none;
    animation: seamGlow 4s ease-in-out infinite;
}

.flip-prompt {
    font-family: var(--font-pixel);
    font-size: 6vw;
    color: var(--deep-board);
    line-height: 1;
    text-shadow: 0 0 10px rgba(26, 16, 40, 0.3);
}

.tile-flip-back {
    background-color: var(--warm-cream);
    transform: rotateY(180deg);
    z-index: 1;
}

.reveal-heading {
    font-family: var(--font-pixel);
    font-size: 2vw;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    color: var(--deep-board);
    margin-bottom: 10px;
    line-height: 1.2;
}

.reveal-text {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 400;
    color: var(--dark-grape);
    text-align: center;
    line-height: 1.6;
}

/* Flip prompt label */
.tile-flip-front::before {
    content: 'tap to reveal';
    position: absolute;
    bottom: 12px;
    font-family: var(--font-arcade);
    font-size: 10px;
    text-transform: uppercase;
    color: var(--deep-board);
    opacity: 0.6;
    letter-spacing: 0.05em;
}

/* ============================================
   Finale Tile
   ============================================ */
.tile-finale {
    background-color: var(--dark-grape);
    border: 2px solid var(--neon-magenta);
    overflow: hidden;
    position: relative;
}

.tile-finale.complete-glow {
    animation: finaleGlow 2s ease-in-out infinite;
}

@keyframes finaleGlow {
    0%, 100% {
        border-color: var(--neon-magenta);
        box-shadow: 0 0 30px rgba(255, 45, 123, 0.4), inset 0 0 30px rgba(255, 45, 123, 0.1);
    }
    50% {
        border-color: var(--electric-cyan);
        box-shadow: 0 0 30px rgba(0, 240, 255, 0.4), inset 0 0 30px rgba(0, 240, 255, 0.1);
    }
}

#confetti-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.finale-text-container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.finale-title {
    font-family: var(--font-pixel);
    font-size: 8vw;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    color: var(--near-white);
    line-height: 1.1;
    text-shadow:
        0 0 30px rgba(255, 45, 123, 0.6),
        0 0 60px rgba(0, 240, 255, 0.3);
    margin-bottom: 20px;
}

.finale-subtitle {
    font-family: var(--font-arcade);
    font-size: 14px;
    text-transform: uppercase;
    color: var(--pixel-lime);
    letter-spacing: 0.1em;
}

/* ============================================
   Checkerboard Pattern
   ============================================ */
.checkerboard-pattern {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(8, 1fr);
    image-rendering: pixelated;
}

.checker-cell {
    width: 100%;
    height: 100%;
    transition: background-color 0.4s ease;
}

/* ============================================
   Pixel Rain
   ============================================ */
.pixel-rain {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.pixel-drop {
    position: absolute;
    width: 4px;
    height: 4px;
    image-rendering: pixelated;
    animation: pixelFall linear infinite;
}

@keyframes pixelFall {
    0% { transform: translateY(-10px); opacity: 1; }
    100% { transform: translateY(300px); opacity: 0; }
}

/* ============================================
   Scroll Prompt
   ============================================ */
.scroll-prompt {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-arrow {
    font-family: var(--font-pixel);
    font-size: 24px;
    color: var(--electric-cyan);
    animation: pulseArrow 1.5s ease-in-out infinite;
    opacity: 0.8;
}

@keyframes pulseArrow {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.15); opacity: 1; }
}

/* ============================================
   Progress Bar
   ============================================ */
.progress-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 36px;
    background-color: rgba(26, 16, 40, 0.95);
    border-top: 1px solid rgba(200, 184, 232, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    backdrop-filter: none;
}

.progress-text {
    font-family: var(--font-arcade);
    font-size: 11px;
    text-transform: uppercase;
    color: var(--pixel-lime);
    letter-spacing: 0.05em;
}

/* ============================================
   Assembly Animation State
   ============================================ */
.tile.tile-scattered {
    opacity: 0;
    transform: translate(var(--scatter-x, 0), var(--scatter-y, 0)) rotate(var(--scatter-r, 0deg));
    transition: none;
}

.tile.tile-assembling {
    opacity: 1;
    transform: translate(0, 0) rotate(0deg);
    transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s ease;
}

/* ============================================
   Bounce Enter for Scrolled Sections
   ============================================ */
.board-section:not(#section-assembly) .tile {
    opacity: 0;
    transform: translateY(40px);
}

.board-section:not(#section-assembly) .tile.tile-visible {
    opacity: 1;
    transform: translateY(0);
    transition: transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1), opacity 300ms ease;
}

/* ============================================
   Responsive: Mobile (4-column grid)
   ============================================ */
@media (max-width: 768px) {
    .puzzle-board {
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: auto;
        height: auto;
        min-height: 100vh;
        gap: 3px;
    }

    /* Reset all grid placements to auto-flow on mobile */
    .tile {
        grid-column: 1 / -1 !important;
        grid-row: auto !important;
    }

    .tile-accent {
        grid-column: span 2 !important;
        min-height: 80px;
    }

    .tile-content,
    .tile-reveal {
        min-height: 180px;
    }

    .tile-hero {
        min-height: 200px;
    }

    .tile-finale {
        min-height: 300px;
    }

    .hero-letter {
        font-size: 16vw;
    }

    .bar-text {
        font-size: 8vw;
    }

    .tile-heading {
        font-size: 7vw;
    }

    .tile-heading--small {
        font-size: 4vw;
    }

    .flip-prompt {
        font-size: 12vw;
    }

    .reveal-heading {
        font-size: 4vw;
    }

    .finale-title {
        font-size: 12vw;
    }

    .accent-glyph {
        font-size: 8vw;
    }

    .scroll-prompt {
        bottom: 50px;
    }

    .progress-bar {
        height: 30px;
    }

    .progress-text {
        font-size: 9px;
    }

    html {
        scroll-snap-type: y proximity;
    }
}

/* ============================================
   Tablet Adjustments
   ============================================ */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero-letter {
        font-size: 12vw;
    }

    .tile-heading {
        font-size: 3vw;
    }
}