/* RAINTYPE0 — classic visual aesthetic ported from monosrc. */

body {
    margin: 0;
    padding: 0;
    background-color: #000;
    color: #fff;
    overflow: hidden;
    font-family: 'Press Start 2P', cursive;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

canvas {
    display: block;
    background-color: #000;
}

.ui-element {
    position: absolute;
    color: #fff;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.7);
    z-index: 10;
}

#score {
    top: 20px;
    left: 20px;
    font-size: 24px;
}

#wave-display {
    top: 20px;
    right: 20px;
    font-size: 24px;
}

#game-message-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    z-index: 50;
    pointer-events: none;
    text-align: center;
}

.message-title {
    font-size: 48px;
    text-shadow: 0 0 15px #f0f;
    animation: pulse 1.5s ease-in-out infinite;
}

.message-subtitle {
    font-size: 20px;
    margin-top: 20px;
    line-height: 1.5;
}

/* ── Pause menu ──────────────────────────────────────────────────────── */

#pause-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.78);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 60;
    pointer-events: all;
}

#pause-panel {
    font-size: 16px;
    text-align: left;
    border: 2px solid white;
    padding: 24px 36px;
    background-color: rgba(0, 0, 0, 0.6);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
    min-width: 320px;
    max-width: 90vw;
    max-height: 86vh;
    overflow-y: auto;
}

#pause-panel h2 {
    margin: 0 0 18px 0;
    font-size: 28px;
    text-align: center;
    text-shadow: 0 0 10px #f0f;
}

#pause-panel .pause-section {
    margin: 18px 0;
}

#pause-panel .pause-section h3 {
    font-size: 13px;
    color: #b9b9ff;
    margin: 0 0 10px 0;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

#pause-panel .control-row {
    display: flex;
    justify-content: space-between;
    line-height: 2.1;
    font-size: 13px;
    color: #ddd;
}

#pause-panel .control-row .key {
    color: #0ff;
    text-shadow: 0 0 6px rgba(0, 255, 255, 0.6);
}

.audio-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 10px 0;
    font-size: 13px;
}

.audio-row label {
    flex: 0 0 70px;
    color: #ddd;
}

.audio-row input[type="range"] {
    flex: 1;
    accent-color: #0ff;
    cursor: pointer;
}

.audio-row .mute-btn {
    flex: 0 0 38px;
    font-family: 'Press Start 2P', cursive;
    font-size: 14px;
    color: white;
    background: #222;
    border: 2px solid #555;
    cursor: pointer;
    padding: 4px;
}

.audio-row .mute-btn.muted {
    border-color: #f55;
    color: #f55;
}

.now-playing {
    margin: 8px 0 10px 0;
    font-size: 11px;
    color: #8ad;
    text-align: center;
    text-shadow: 0 0 6px rgba(140, 200, 255, 0.5);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.4;
}

.music-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 6px 0 12px 0;
}

.music-btn {
    flex: 0 0 auto;
    min-width: 46px;
    padding: 6px 10px;
    font-family: 'Press Start 2P', cursive;
    font-size: 12px;
    color: #cfe;
    background: #222;
    border: 2px solid #557;
    cursor: pointer;
}

.music-btn:hover {
    background: #335;
    border-color: #0ff;
}

.pause-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
    justify-content: center;
}

.pause-btn {
    padding: 10px 16px;
    font-family: 'Press Start 2P', cursive;
    font-size: 14px;
    color: white;
    background: #222;
    border: 2px solid white;
    cursor: pointer;
}

.pause-btn:hover {
    background: #444;
}

.pause-btn.primary {
    background: #114;
    border-color: #0ff;
    color: #0ff;
    text-shadow: 0 0 6px rgba(0, 255, 255, 0.7);
}

.mobile-only {
    display: none;
}

/* ── CRT scanline overlay (a defining piece of the aesthetic) ────────── */

#scanline-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: linear-gradient(
        to bottom,
        rgba(18, 16, 16, 0) 50%,
        rgba(0, 0, 0, 0.25) 50%
    );
    background-size: 100% 4px;
    animation: scanline 10s linear infinite;
    z-index: 100;
}

/* ── Mobile controls ─────────────────────────────────────────────────── */

#mobile-controls {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 200;
}

.control-button {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
    user-select: none;
    -webkit-user-select: none;
    pointer-events: all;
    box-sizing: border-box;
    transition: transform 0.05s ease-out;
}

.control-button:active {
    background-color: rgba(255, 255, 255, 0.3);
    transform: scale(0.95);
}

#joystick-area {
    position: absolute;
    width: 30vmin;
    height: 30vmin;
    pointer-events: all;
    top: 65%;
    left: 5%;
}

#joystick-base {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.15);
}

#joystick-handle {
    position: absolute;
    width: 14vmin;
    height: 14vmin;
    top: 8vmin;
    left: 8vmin;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transition: transform 0.1s ease-out;
}

#touch-fire {
    top: 65%;
    left: 70%;
    width: 20vmin;
    height: 20vmin;
    font-size: 10vmin;
}

#mobile-pause-button {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 30px;
    z-index: 201;
    display: none;
    justify-content: center;
    align-items: center;
    pointer-events: all;
}

#customization-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 300;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    pointer-events: all;
}

#customization-overlay h2 {
    font-size: 24px;
    margin-bottom: 15px;
}

#customization-overlay p {
    font-size: 16px;
    max-width: 80%;
    margin-bottom: 30px;
    line-height: 1.5;
}

#customization-overlay .draggable {
    border: 2px dashed #f0f;
    animation: pulse-border 2s infinite;
}

#save-layout-button {
    margin-top: 30px;
    padding: 15px 30px;
    font-family: 'Press Start 2P', cursive;
    font-size: 18px;
    color: black;
    background: white;
    border: 2px solid white;
    cursor: pointer;
}

/* ── Title screen ────────────────────────────────────────────────────── */

#title-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Transparent so the canvas attractor (drifting stars + asteroids
       with the motion-blur veil) shows through. A subtle radial
       vignette darkens the corners and pulls focus to the title. */
    background:
        radial-gradient(ellipse at center,
            rgba(0,0,0,0.0) 0%,
            rgba(0,0,0,0.35) 60%,
            rgba(0,0,0,0.78) 100%);
    z-index: 400;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    pointer-events: all;
}

#game-title {
    font-size: 10vmin;
    text-align: center;
    margin: 0;
}

.title-char {
    display: inline-block;
    position: relative;
    /* --i / --n are set in title-screen.js per letter so the colour
       wave flows across the word from left to right and each glyph
       picks up at a different point in the rainbow. */
    animation:
        color-cycle 6s linear infinite,
        wave 2.4s ease-in-out infinite,
        sway 4.6s ease-in-out infinite;
    animation-delay:
        calc(var(--i, 0) * -0.55s),
        calc(var(--i, 0) * -0.12s),
        calc(var(--i, 0) *  0.18s);
    will-change: transform, color, text-shadow;
}

/* Game-start "explosion" launch animation. Each letter flies in a
   randomized direction stored in --launch-x/y/rot. The wave/sway/
   colour-cycle animations are overridden by `animation:` shorthand
   so the letter freezes on the trajectory. */
.title-launching .title-char {
    animation:
        title-launch var(--launch-dur, 900ms) cubic-bezier(0.42, 0.0, 0.58, 1.0) forwards;
    animation-delay: calc(var(--i, 0) * 45ms);
}

#title-screen.title-screen-fading {
    animation: title-screen-fade 950ms ease-out forwards;
}

#start-prompt {
    font-size: 2.5vmin;
    animation: pulse-opacity 2s ease-in-out infinite;
    margin-top: 40px;
}

#high-score-display {
    margin-top: 20px;
    font-size: 2vmin;
    color: #ffd700;
    text-shadow: 0 0 8px #ffd700;
}

#version-tag {
    position: absolute;
    bottom: 12px;
    right: 16px;
    font-size: 10px;
    color: #555;
    letter-spacing: 0.05em;
}

#orientation-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    color: #fff;
    z-index: 9999;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 18px;
    line-height: 1.6;
}

#orientation-overlay p {
    max-width: 80%;
}

.rotate-icon {
    font-size: 64px;
    transform: rotate(-90deg);
    margin-bottom: 20px;
}

/* ── Mobile breakpoint ───────────────────────────────────────────────── */

@media (hover: none) and (pointer: coarse), (max-width: 768px) {

    #mobile-controls,
    #mobile-pause-button {
        display: block;
    }

    #wave-display,
    #score {
        font-size: 18px;
    }

    #mobile-pause-button {
        display: flex;
    }

    .mobile-only {
        display: revert;
    }

    .desktop-only {
        display: none;
    }
}

/* ── Keyframes ───────────────────────────────────────────────────────── */

@keyframes scanline {
    from { background-position: 0 0; }
    to   { background-position: 0 -40px; }
}

@keyframes pulse {
    0%   { transform: scale(1);    opacity: 1; }
    50%  { transform: scale(1.05); opacity: 0.8; }
    100% { transform: scale(1);    opacity: 1; }
}

@keyframes wave {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-15px); }
}

/* Subtle horizontal sway, layered on top of wave for a more organic
   ribbon-of-letters motion (rainboids-style). */
@keyframes sway {
    0%, 100% { transform: translateX(0); }
    25%      { transform: translateX(-3px); }
    75%      { transform: translateX( 3px); }
}

/* 8-stop hue cycle — adds cyan, lime, and yellow stops between the
   original blue→violet→magenta→orange→red beat, so the rainbow reads
   as a full spectrum sweep rather than a violet-heavy loop. Glow
   widened to 20 px and brightened to match the WebGL2 bloom feel. */
@keyframes color-cycle {
    0%   { color: #00BFFF; text-shadow: 0 0 20px #00BFFF; }
    12%  { color: #00F;    text-shadow: 0 0 20px #00F; }
    24%  { color: #8A2BE2; text-shadow: 0 0 20px #8A2BE2; }
    36%  { color: #FF00FF; text-shadow: 0 0 20px #FF00FF; }
    48%  { color: #FF1493; text-shadow: 0 0 20px #FF1493; }
    60%  { color: #FF4500; text-shadow: 0 0 20px #FF4500; }
    72%  { color: #FFD700; text-shadow: 0 0 20px #FFD700; }
    84%  { color: #7CFC00; text-shadow: 0 0 20px #7CFC00; }
    100% { color: #00BFFF; text-shadow: 0 0 20px #00BFFF; }
}

/* Each letter flies outward to (--launch-x, --launch-y) with a
   --launch-rot spin while scaling down to a point and blur-fading.
   The trajectory vars are set per-letter in JS so the explosion
   randomises every run. */
@keyframes title-launch {
    0% {
        transform: translate(0, 0) rotate(0deg) scale(1);
        opacity: 1;
        filter: blur(0);
    }
    35% {
        opacity: 1;
        filter: blur(0);
    }
    100% {
        transform:
            translate(var(--launch-x, 0px), var(--launch-y, 0px))
            rotate(var(--launch-rot, 720deg))
            scale(0.05);
        opacity: 0;
        filter: blur(10px);
    }
}

/* Vignette + subtitle + record line fade in parallel with the letter
   launch so the entire overlay dissolves to black smoothly. */
@keyframes title-screen-fade {
    0%   { opacity: 1; }
    60%  { opacity: 1; }
    100% { opacity: 0; }
}

@keyframes pulse-opacity {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
}

@keyframes pulse-border {
    0%   { border-color: #f0f; }
    50%  { border-color: #0ff; }
    100% { border-color: #f0f; }
}