/* Chrome for the hole editor. Deliberately the same dark tool-palette as
   cargo-lander/editor/editor.css — the two editors are siblings and a shared
   look means one set of habits works in both. The course itself is drawn by
   the game's own renderer onto the canvas, so nothing in here styles the
   green; this is all sidebar. */

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

body {
    font-family: 'Courier New', monospace;
    background: #0d1117;
    color: #e6edf3;
    display: flex;
    height: 100vh;
    overflow: hidden;
    font-size: 12px;
}

/* ── sidebar ─────────────────────────────────────────────────────────── */

#sidebar {
    position: relative;
    width: 380px;
    min-width: 260px;
    max-width: 720px;
    background: rgba(22, 27, 34, 0.97);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    flex-shrink: 0;
}

#sidebar-resize-handle {
    position: absolute;
    top: 0; right: 0;
    width: 4px; height: 100%;
    cursor: col-resize;
    background: #30363d;
    z-index: 10;
    transition: background 0.15s;
}
#sidebar-resize-handle:hover,
#sidebar-resize-handle.active { background: #58a6ff; width: 6px; }

#sidebar-scrollable {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.sec { border-bottom: 1px solid #30363d; padding: 8px 10px; }

details.sec > summary {
    cursor: pointer;
    user-select: none;
    list-style: none;
}
details.sec > summary::-webkit-details-marker { display: none; }
details.sec > summary.sec-title { padding: 12px 14px; margin-bottom: 0; }
details.sec > summary.sec-title:hover { background: #21262d; }
details.sec > .sec-content { padding: 0 14px 14px; }

.sec-title {
    font-size: 11px; font-weight: bold; text-transform: uppercase;
    letter-spacing: .05em; color: #c9d1d9;
    display: flex; justify-content: space-between; align-items: center;
}
.sec-title-text { display: inline-flex; align-items: center; gap: 6px; }
.sec-title-text::before {
    content: "▼";
    font-size: 10px; color: #8b949e;
    transition: transform 0.2s ease;
    display: inline-block;
}
details:not([open]) .sec-title-text::before { transform: rotate(-90deg); }

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

select, textarea, input[type=number], input[type=text] {
    background: #0d1117; color: #c9d1d9;
    border: 1px solid #30363d; border-radius: 5px;
    font-family: monospace; font-size: 12px; padding: 5px 8px;
}
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; }
select:focus, textarea:focus, input:focus { outline: none; border-color: #58a6ff; }
select { width: 100%; padding: 6px 8px; }
textarea { width: 100%; resize: vertical; }

.row { display: flex; gap: 4px; align-items: center; }
.row + .row { margin-top: 5px; }

.btn {
    padding: 5px 10px; background: #21262d; color: #e6edf3;
    border: 1px solid #30363d; border-radius: 5px; cursor: pointer;
    font: 12px monospace; white-space: nowrap; user-select: none;
}
.btn:hover { background: #30363d; }
.btn.on { background: #1f6feb; border-color: #1f6feb; color: #fff; }
.btn.on:hover { background: #388bfd; }
.btn.del { color: #f85149; }
.btn.del:hover { background: #2d1515; border-color: #f85149; }
.btn:disabled { opacity: .45; cursor: default; }
.btn:disabled:hover { background: #21262d; }

.btn-play { background: rgba(16,185,129,.2); color: #34d399; border-color: rgba(16,185,129,.4); }
.btn-play:hover { background: rgba(16,185,129,.32); }
.btn-warn { background: rgba(248,81,73,.15); color: #f85149; border-color: rgba(248,81,73,.4); }
.btn-warn:hover { background: rgba(248,81,73,.28); }
.btn-blue { background: rgba(56,139,253,.2); border-color: rgba(56,139,253,.4); color: #58a6ff; }
.btn-blue:hover { background: rgba(56,139,253,.32); }

.hint { font-size: 11px; color: #8b949e; line-height: 1.6; }
.lbl { font-size: 11px; color: #8b949e; white-space: nowrap; }
.lbl-w { width: 52px; flex-shrink: 0; }

/* ── the shape palette ───────────────────────────────────────────────── */

#tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
#tools .btn { display: flex; align-items: center; gap: 6px; padding: 6px 8px; }
.swatch {
    width: 11px; height: 11px; border-radius: 2px;
    border: 1px solid rgba(255,255,255,.25); flex-shrink: 0;
}
.swatch.round { border-radius: 50%; }

/* ── shape list ──────────────────────────────────────────────────────── */

#shape-list {
    max-height: 260px; overflow-y: auto;
    border: 1px solid #30363d; border-radius: 5px;
    padding: 6px; background: #0d1117;
}
.sitem {
    display: flex; align-items: center; gap: 6px;
    padding: 4px 6px; border-radius: 4px; cursor: pointer;
    border: 1px solid transparent; margin-bottom: 2px;
}
.sitem:hover { background: #21262d; }
.sitem.active { background: #1c2d3f; border-color: #388bfd; }
.sname { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.smeta { font-size: 11px; color: #8b949e; }
.xbtn { color: #6e7681; font-size: 14px; cursor: pointer; line-height: 1; padding: 0 2px; }
.xbtn:hover { color: #f85149; }
.empty { color: #6e7681; font-size: 11px; padding: 6px; text-align: center; }

/* ── inspector ───────────────────────────────────────────────────────── */

#inspector .row .lbl { width: 58px; flex-shrink: 0; }
#inspector input[type=number] { width: 100%; min-width: 0; }
#inspector .field { flex: 1; min-width: 0; }
.subhead {
    font-size: 10px; color: #8b949e; text-transform: uppercase;
    letter-spacing: .05em; margin: 10px 0 5px;
}

/* ── validation report ───────────────────────────────────────────────── */

#report { font-size: 11px; line-height: 1.5; }
.check { display: flex; gap: 7px; padding: 3px 0; align-items: flex-start; }
.check .mark { flex-shrink: 0; width: 12px; font-weight: bold; }
.check.pass .mark { color: #3fb950; }
.check.fail .mark { color: #f85149; }
.check.warn .mark { color: #d29922; }
.check.pass { color: #8b949e; }
.check.fail { color: #ffa198; }
.check.warn { color: #e3b341; }
.check .why { color: #8b949e; }
#report-summary {
    padding: 7px 9px; border-radius: 5px; margin-bottom: 8px;
    font-size: 12px; background: #0d1117; border: 1px solid #30363d;
}
#report-summary.ok { border-color: #238636; color: #3fb950; }
#report-summary.bad { border-color: #da3633; color: #f85149; }
#report-summary.busy { color: #8b949e; }

/* ── canvas side ─────────────────────────────────────────────────────── */

#stage { flex: 1; position: relative; overflow: hidden; background: #0a0f14; }
canvas { display: block; }

#statusbar {
    position: absolute; bottom: 0; left: 0; right: 0; height: 24px;
    background: rgba(13,17,23,.88); border-top: 1px solid #30363d;
    display: flex; align-items: center; padding: 0 12px; gap: 16px;
    font-size: 11px; color: #8b949e; pointer-events: none;
}
#statusbar b { color: #c9d1d9; font-weight: normal; }

#hud {
    position: absolute; top: 10px; left: 10px;
    background: rgba(13,17,23,.8); border: 1px solid #30363d; border-radius: 6px;
    padding: 7px 12px; font-size: 12px; color: #c9d1d9; pointer-events: none;
    line-height: 1.6;
}
#hud .big { font-size: 15px; color: #58a6ff; font-weight: bold; }
#hud.play { border-color: #34d399; }
#hud.play .big { color: #34d399; }

#zoom-controls {
    position: absolute; right: 10px; bottom: 34px;
    display: flex; flex-direction: column; gap: 4px;
}
#zoom-controls button {
    width: 30px; height: 30px; background: rgba(13,17,23,.85);
    border: 1px solid #30363d; border-radius: 6px; color: #c9d1d9;
    font-size: 15px; line-height: 1; cursor: pointer;
}
#zoom-controls button:hover { background: #21262d; border-color: #8b949e; }

#toast {
    position: absolute; left: 50%; bottom: 44px; transform: translateX(-50%);
    background: rgba(13,17,23,.94); border: 1px solid #30363d; border-radius: 6px;
    padding: 8px 16px; font-size: 12px; color: #e6edf3;
    opacity: 0; transition: opacity .2s; pointer-events: none;
}
#toast.show { opacity: 1; }
#toast.bad { border-color: #da3633; color: #ffa198; }
#toast.good { border-color: #238636; color: #3fb950; }

/* ── scrollbars ──────────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #161b22; }
::-webkit-scrollbar-thumb { background: #30363d; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #58a6ff; }
* { scrollbar-width: thin; scrollbar-color: #30363d #161b22; }

/* ── self-test overlay (?runTests=1) ─────────────────────────────────── */

#selftest {
    position: absolute; inset: 0; z-index: 99;
    background: #0d1117; color: #e6edf3; padding: 24px;
    overflow: auto; font-size: 13px; line-height: 1.7; display: none;
}
#selftest .t-pass { color: #3fb950; }
#selftest .t-fail { color: #f85149; }
#selftest h2 { font-size: 15px; margin-bottom: 12px; }