/* Makhela — pure JS reimplementation of the 1995 DOS music game. Style mirrors
   the original 320×200 pixel art (now rendered at 640×400 on a fixed stage,
   scaled to fit the viewport). Palette taken from the actual decoded
   bitmaps in assets/bitmaps/. */

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

html, body {
    height: 100%;
    background: #1a1d23;
    overflow: hidden;
    font-family: "Heebo", "Arial Hebrew", Arial, sans-serif;
    color: #fff;
    user-select: none;
}

#app {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Fixed stage; the original screen is 320×200, rendered here as 640×400.
   JS sets `transform: scale(...)` to fit the viewport while preserving
   aspect ratio (same trick as your other ports). */
.stage {
    width: 640px;
    height: 400px;
    position: relative;
    background-size: 640px 400px;
    background-repeat: no-repeat;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    transform-origin: center center;
    overflow: hidden;
}

/* All clickable / focusable controls overlaid on the stage. Coords are in
   the 640×400 space. */
.hotspot {
    position: absolute;
    cursor: pointer;
    background: transparent;
    border: 0;
    padding: 0;
    /* Sit above the playAnim <video> (z-index 100) so hotspots stay
       clickable while a clipped animation plays in a sub-region. */
    z-index: 200;
}
.hotspot:hover,
.hotspot:focus { outline: none; }

/* "stop / back" hand button — top-right corner of every screen */
.btn-back {
    position: absolute;
    top: 12px; right: 12px;
    width: 44px; height: 50px;
    background: url("../assets/bitmaps/replay.png") -582px -8px;
    background-size: 640px 400px;
    cursor: pointer;
    border: 0;
    z-index: 10;
}
.btn-back:hover { filter: brightness(1.2); }

/* Small clean "X" exit button — sits above the original bitmap art's
   stop-hand graphic on screens like the song picker where we want a
   modern-looking close affordance in addition to the embedded one. */
.btn-x {
    position: absolute;
    top: 8px; right: 8px;
    width: 26px; height: 26px;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    font: bold 16px/22px "Heebo", Arial, sans-serif;
    text-align: center;
    cursor: pointer;
    padding: 0;
    z-index: 210;
    user-select: none;
}
.btn-x:hover {
    background: rgba(220, 60, 60, 0.85);
    border-color: #fff;
}
.btn-x:focus { outline: none; }

/* === Hub === */
.hub-bg { background-image: url("../assets/bitmaps/replay.png"); /* placeholder until we render m0 */ }

/* Song picker — list rendered on the menu1 scroll background */
.song-list-bg {
    background-image: url("../assets/bitmaps/mus1.png");
}
.song-list {
    position: absolute;
    inset: 60px 110px 50px 50px;
    overflow-y: auto;
    padding: 8px 16px;
    text-align: right;
    direction: rtl;
}
.song-list button {
    display: block;
    width: 100%;
    margin: 4px 0;
    padding: 6px 12px;
    background: transparent;
    border: 2px solid transparent;
    border-radius: 6px;
    color: #5a2d1a;
    font-family: inherit;
    font-size: 22px;
    font-weight: bold;
    text-align: right;
    cursor: pointer;
}
.song-list button:hover {
    background: rgba(255, 220, 130, 0.5);
    border-color: #5a2d1a;
}
.song-list button:focus {
    outline: 0;
    background: rgba(255, 220, 130, 0.8);
}

/* === Song playback === */
.song-player {
    position: absolute; inset: 0;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.song-player video {
    width: 100%; height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
}
.lyrics-overlay {
    position: absolute;
    right: 0; bottom: 0; left: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    color: #fff;
    padding: 1.5rem 1rem 1rem;
    text-align: center;
    direction: rtl;
    pointer-events: none;
    font-size: 22px;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0,0,0,0.9);
    line-height: 1.4;
}
.lyrics-toggle {
    position: absolute;
    top: 12px; left: 12px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 6px;
    padding: 6px 12px;
    font-family: inherit;
    cursor: pointer;
    z-index: 5;
}
.lyrics-toggle:hover { background: rgba(0,0,0,0.85); }

/* Generic landing-screen card grid (used by hub for now) */
.hub-cards {
    position: absolute;
    inset: 60px 60px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.hub-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.85);
    border: 3px solid #5a2d1a;
    border-radius: 12px;
    color: #5a2d1a;
    font-family: inherit;
    font-size: 22px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    padding: 16px;
}
.hub-card:hover {
    background: #ffe089;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}
.hub-card .icon {
    width: 80px; height: 80px;
    object-fit: contain;
    image-rendering: pixelated;
}

/* Title bar (translucent strip at top of any screen) */
.titlebar {
    position: absolute;
    top: 0; right: 0; left: 0;
    background: rgba(60, 30, 10, 0.65);
    color: #ffe089;
    padding: 6px 16px;
    font-size: 18px;
    font-weight: bold;
    z-index: 5;
    text-align: center;
}

/* Scrollable staff viewport on the notesPlay (mud1) screen. Sits inside
   the "music notes display" hotspot, overlaid on the bitmap's staff
   lines. One row only — the user can scroll horizontally to see notes
   that ran off the right edge. Subtle but visible scrollbar so it's
   discoverable. */
.music-staff {
    scrollbar-color: rgba(90, 45, 26, 0.6) rgba(255, 224, 137, 0.25);
    scrollbar-width: thin;
}
.music-staff::-webkit-scrollbar { height: 8px; }
.music-staff::-webkit-scrollbar-track {
    background: rgba(255, 224, 137, 0.25);
    border-radius: 4px;
}
.music-staff::-webkit-scrollbar-thumb {
    background: rgba(90, 45, 26, 0.6);
    border-radius: 4px;
}
.music-staff::-webkit-scrollbar-thumb:hover { background: rgba(90, 45, 26, 0.85); }

/* Currently-playing note: a golden glow + slight pop so the user can see
   which notehead is sounding when "play music" walks the composition. */
.music-note.playing {
    filter: drop-shadow(0 0 6px #ffe089) drop-shadow(0 0 2px #ffd34a);
    transform: scale(1.35);
    transform-origin: center center;
    z-index: 100;
}

/* Tempo control on the notesPlay (mud1) screen. Compact pill at the top
   centre, sits above the staff between the notebook's spiral binding. */
.tempo-control {
    position: absolute;
    top: 4px;
    left: 40%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 8px;
    background: rgba(255, 250, 230, 0.92);
    border: 2px solid #5a2d1a;
    border-radius: 14px;
    color: #5a2d1a;
    font-family: inherit;
    z-index: 250;
    direction: rtl;
    user-select: none;
}
.tempo-control .tempo-label {
    font-size: 12px;
    font-weight: bold;
    margin: 0 2px;
}
.tempo-control input[type=range] {
    width: 110px;
    cursor: pointer;
    accent-color: #5a2d1a;
}
.tempo-control .tempo-btn {
    width: 22px; height: 22px;
    border: 1px solid #5a2d1a;
    background: #ffe089;
    color: #5a2d1a;
    border-radius: 50%;
    font: bold 14px/1 inherit;
    cursor: pointer;
    padding: 0;
}
.tempo-control .tempo-btn:hover { background: #ffd54f; }
.tempo-control .tempo-btn:focus { outline: none; }

/* Loading state */
.loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    font-size: 1.2rem;
}