/* DISPEČER — retro control-room theme (amber/blue) */

:root {
    --bg: #02050a;
    --bg-2: #050c18;
    --fg: #ffbd6b;          /* amber primary */
    --fg-dim: #a47028;
    --fg-bright: #ffe2b6;
    --accent: #4acbff;      /* cyan secondary */
    --danger: #ff5a5a;
    --scanline: rgba(0, 0, 0, 0.2);

    --c1: #ff5a5a; /* courier 1 red */
    --c2: #4acbff; /* courier 2 cyan */
    --c3: #b3ff6b; /* courier 3 green */

    --wall: #2a2418;
    --grid: rgba(255, 189, 107, 0.12);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    background: #000;
    color: var(--fg);
    font-family: "Consolas", "Cascadia Mono", "Courier New", monospace;
    font-size: 16px;
    overflow: hidden;
}

.crt {
    position: relative;
    min-height: 100vh;
    max-width: 1000px;
    margin: 0 auto;
    padding: 18px 28px 48px;
    background: radial-gradient(ellipse at center, var(--bg-2) 0%, var(--bg) 70%, #000 100%);
    box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.8);
}

.crt::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px,
        transparent 2px,
        var(--scanline) 3px,
        var(--scanline) 3px
    );
    z-index: 999;
}
.crt::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.55) 100%);
    z-index: 998;
}

.hdr, .ftr {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--fg-dim);
    border-bottom: 1px dashed var(--fg-dim);
    padding-bottom: 6px;
}
.ftr {
    position: absolute;
    left: 28px; right: 28px; bottom: 10px;
    border-bottom: none;
    border-top: 1px dashed var(--fg-dim);
    padding: 6px 0 0;
}
.tag { color: var(--fg-bright); }

.net {
    padding: 2px 8px;
    border: 1px solid currentColor;
    border-radius: 2px;
}
.net.online  { color: var(--c3); }
.net.offline { color: var(--accent); }
.pending { color: var(--accent); }
.hidden { display: none !important; }

.screen {
    display: none;
    padding: 18px 0;
    animation: fadein 180ms ease;
}
.screen.active { display: block; }

@keyframes fadein {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: none; }
}

h2 {
    color: var(--fg-bright);
    letter-spacing: 3px;
    margin: 0 0 18px;
    font-weight: normal;
}

.ascii {
    color: var(--fg-bright);
    font-size: 13px;
    line-height: 1.1;
    margin: 12px 0 6px;
    text-shadow: 0 0 6px var(--fg);
}

.lead {
    font-size: 15px;
    line-height: 1.6;
    margin: 4px 0 22px;
}
.muted { color: var(--fg-dim); }

.c1 { color: var(--c1); }
.c2 { color: var(--c2); }
.c3 { color: var(--c3); }

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 14px 0 20px;
    max-width: 340px;
}
.field span {
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--fg-dim);
}
input[type="text"] {
    background: transparent;
    color: var(--fg-bright);
    border: 1px solid var(--fg-dim);
    padding: 10px 12px;
    font: inherit;
    font-size: 18px;
    letter-spacing: 3px;
    text-transform: uppercase;
    outline: none;
    caret-color: var(--fg);
}
input[type="text"]:focus {
    border-color: var(--fg);
    box-shadow: 0 0 10px var(--fg);
}

.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 16px 0;
}

.btn {
    background: transparent;
    color: var(--fg);
    border: 1px solid var(--fg-dim);
    padding: 10px 16px;
    font: inherit;
    font-size: 13px;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 120ms ease;
}
.btn:hover, .btn:focus {
    color: var(--fg-bright);
    border-color: var(--fg);
    box-shadow: 0 0 10px var(--fg-dim);
    outline: none;
}
.btn.primary {
    border-color: var(--fg);
    color: var(--fg-bright);
}
.btn.tiny {
    padding: 5px 10px;
    font-size: 11px;
    margin-top: 12px;
}

.msg {
    min-height: 1.2em;
    color: var(--accent);
    font-size: 13px;
}
.msg.ok  { color: var(--c3); }
.msg.err { color: var(--danger); }

.steps { line-height: 1.7; }
kbd {
    background: var(--bg-2);
    border: 1px solid var(--fg-dim);
    padding: 1px 6px;
    border-radius: 2px;
    font-size: 12px;
    color: var(--fg-bright);
}

/* HUD */
.hud {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1.5fr;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--fg-dim);
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--fg-dim);
    text-transform: uppercase;
    align-items: center;
}
.hud b { color: var(--fg-bright); font-size: 18px; display: block; }
.hud .bw { display: flex; flex-direction: column; gap: 4px; }
.bw-bar {
    width: 100%;
    height: 10px;
    background: var(--bg-2);
    border: 1px solid var(--fg-dim);
    overflow: hidden;
}
.bw-fill {
    width: 100%;
    height: 100%;
    background: var(--c3);
    transition: width 80ms linear, background 120ms ease;
}
.bw-fill.low { background: var(--danger); }

.game-status {
    margin: 14px 0 10px;
    min-height: 1.4em;
    font-size: 15px;
    color: var(--fg-bright);
    letter-spacing: 1px;
}
.game-status.err { color: var(--danger); }
.game-status.ok  { color: var(--c3); }

#board-wrap {
    display: flex;
    justify-content: center;
    padding: 8px 0;
}
canvas#board {
    background: #030812;
    border: 2px solid var(--fg-dim);
    image-rendering: pixelated;
    max-width: 100%;
    height: auto;
    box-shadow: 0 0 30px rgba(255, 189, 107, 0.08) inset;
}

.courier-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin: 10px 0 4px;
}
.courier-row .spacer { flex: 1; min-width: 12px; }

.courier-btn {
    position: relative;
    min-width: 56px;
    height: 44px;
    background: var(--bg-2);
    border: 2px solid var(--fg-dim);
    color: var(--fg-bright);
    font: inherit;
    font-size: 22px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.courier-btn[data-courier="0"] .c1 { color: var(--c1); }
.courier-btn[data-courier="1"] .c2 { color: var(--c2); }
.courier-btn[data-courier="2"] .c3 { color: var(--c3); }
.courier-btn .key {
    position: absolute;
    top: 2px; left: 4px;
    font-size: 10px;
    color: var(--fg-dim);
}
.courier-btn.selected {
    border-color: var(--fg-bright);
    box-shadow: 0 0 12px var(--fg);
}
.courier-btn.delivered {
    animation: pulse 420ms ease;
}
@keyframes pulse {
    0%   { background: var(--bg-2); }
    40%  { background: #25311b; }
    100% { background: var(--bg-2); }
}

.dir-btn {
    min-width: 44px;
    height: 44px;
    background: var(--bg-2);
    color: var(--fg);
    border: 1px solid var(--fg-dim);
    font: inherit;
    font-size: 18px;
    cursor: pointer;
}
.dir-btn:hover { color: var(--fg-bright); border-color: var(--fg); }
.dir-btn.stop { color: var(--danger); border-color: var(--danger); font-size: 14px; }
.dir-btn.flash {
    background: var(--fg);
    color: #000;
}

/* GAME OVER */
.result {
    margin: 18px 0;
    font-size: 16px;
    line-height: 1.8;
}
.result b { color: var(--fg-bright); font-size: 20px; }

/* LEADERBOARD */
.lb {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 14px;
}
.lb th, .lb td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px dashed var(--fg-dim);
}
.lb th { color: var(--fg-dim); letter-spacing: 2px; font-weight: normal; text-transform: uppercase; font-size: 11px; }
.lb td { color: var(--fg-bright); }
.lb tr.me td { color: var(--accent); }
.lb tr.local td::after {
    content: " *";
    color: var(--accent);
}

@media (max-width: 680px) {
    .hud { grid-template-columns: repeat(2, 1fr); }
    .ascii { font-size: 10px; }
}