/* =========================================================
  Plik napisany z pomocą claude.ai :) 
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --bg:        #050505;   /* tło strony — prawie czerń */
  --panel:     #0d0d0d;   /* panele */
  --panel-2:   #161616;   /* hover */
  --panel-3:   #1f1f1f;   /* aktywne */
  --line:      #262626;   /* ramki */

  --fg:        #ededed;
  --fg-dim:    #8a8a8a;
  --fg-mute:   #555555;

  --accent:    #ffe400;
  --accent-fg: #050505;

  --danger:    #e85d5d;
  --success:   #6fcf6f;

  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Menlo", "Consolas", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;

  --gap: 12px;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.4;
  min-height: 100vh;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

h1, h2, p, ul { margin: 0; padding: 0; }
ul { list-style: none; }

/* ---------- App shell ----------
   Grid 2-column: sidebar | stage.
   Stage = canvas + footer statusbar pod nim. */
.app {
  min-height: 100vh;
  padding: 16px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--gap);
  align-items: stretch;
}

@media (max-width: 1500px) {
  .app { grid-template-columns: 220px 1fr; padding: 12px; gap: 10px; }
}

/* ---------- Sidebar ----------
   Grid: tytuł / materiały (rośnie) / akcje (przyklejone do dołu). */
.sidebar {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--gap);
  min-width: 0;
  min-height: 0;
}

.app-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  text-transform: uppercase;
  padding: 4px 4px 8px;
  border-bottom: 1px solid var(--line);
}

.app-title-version {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: lowercase;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.panel-title {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--fg-mute);
  text-transform: uppercase;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}

/* ---------- Material list ---------- */
.material-list {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  min-height: 0;
}

.material-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  color: var(--fg-dim);
  font-family: var(--sans);
  font-size: 13px;
  text-align: left;
  border-left: 2px solid transparent;
  transition: background-color 80ms linear;
}

.material-btn .swatch {
  width: 10px;
  height: 10px;
  background: var(--mat, var(--fg-mute));
  flex-shrink: 0;
}

.material-btn .mat-name { flex: 1; min-width: 0; }

.material-btn:hover {
  background: var(--panel-2);
  color: var(--fg);
}

.material-btn.active {
  background: var(--panel-3);
  color: var(--accent);
  border-left-color: var(--accent);
}

.swatch-eraser {
  background:
    linear-gradient(45deg, transparent 45%, var(--fg-mute) 45%, var(--fg-mute) 55%, transparent 55%);
}

.swatch-bordered {
  outline: 1px solid var(--fg-mute);
  outline-offset: -1px;
}

/* ---------- Action list ---------- */
.action-list {
  display: flex;
  flex-direction: column;
  padding: 6px 0;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  color: var(--fg);
  font-family: var(--sans);
  font-size: 13px;
  text-align: left;
  transition: background-color 80ms linear;
}

.action-btn .glyph {
  width: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-mute);
  text-align: center;
}

.action-btn:hover { background: var(--panel-2); }
.action-btn:hover .glyph { color: var(--accent); }

.action-btn.is-paused { color: var(--accent); }
.action-btn.is-paused .glyph { color: var(--accent); }

.action-btn.action-danger:hover .glyph { color: var(--danger); }

/* ---------- Status message ---------- */
.status-msg {
  margin: 0;
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dim);
  border-top: 1px solid var(--line);
  min-height: 25px;
}
.status-msg:empty { visibility: hidden; }
.status-msg.status-msg-success,
.status-msg.success { color: var(--success); }
.status-msg.status-msg-error,
.status-msg.error   { color: var(--danger);  }

/* ---------- Stage ----------
   Canvas + statusbar jako footer. Statusbar wyrównany do dołu. */
.stage {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: var(--gap);
  min-width: 0;
  min-height: 0;
}

.canvas-wrap {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  overflow: hidden;
}

/* CANVAS — bez box-shadow, bez transition, bez filter. */
#canvas {
  display: block;
  background: #000;
  cursor: crosshair;
  image-rendering: pixelated;
  outline: 1px solid var(--line);
  max-width: 100%;
  max-height: 100%;
}

/* ---------- Statusbar (footer) ---------- */
.statusbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dim);
}
.status-cell { display: inline-flex; gap: 6px; align-items: baseline; }
.status-k { color: var(--fg-mute); text-transform: uppercase; letter-spacing: 0.08em; font-size: 10px; }
.status-v { color: var(--fg); }

.hint {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-mute);
}

/* ---------- Focus ---------- */
:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: -1px;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0ms !important; }
}