:root {
  --bg: #131613;
  --panel: #1c211c;
  --panel-edge: #2c352c;
  --text: #d8e8d8;
  --dim: #7c8f7c;
  --green: #4caf50;
  --green-bright: #6fdc73;
  --yellow: #e0c341;
  --red: #e05545;
  --code-bg: #0d100d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 16px 16px;
  color: var(--text);
  font-family: "Courier New", Courier, monospace;
  min-height: 100vh;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 3px solid var(--green);
}

h1 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: 2px;
  color: var(--green-bright);
  text-shadow: 2px 2px 0 #000;
}

h2 {
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--dim);
  border-bottom: 1px solid var(--panel-edge);
  padding-bottom: 4px;
  margin: 20px 0 10px;
}
h2:first-child { margin-top: 0; }

.status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.dot {
  width: 14px;
  height: 14px;
  border-radius: 0;        /* square = blocky */
  border: 2px solid #000;
  display: inline-block;
}
.dot.red    { background: var(--red);    box-shadow: 0 0 8px var(--red); }
.dot.yellow { background: var(--yellow); box-shadow: 0 0 8px var(--yellow); }
.dot.green  { background: var(--green-bright); box-shadow: 0 0 8px var(--green-bright); }

main {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 20px;
  padding: 20px;
  max-width: 1300px;
  margin: 0 auto;
}
@media (max-width: 900px) {
  main { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 2px solid var(--panel-edge);
  box-shadow: 4px 4px 0 rgba(0,0,0,0.4);
  padding: 18px;
}

.field-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.field-row label { font-size: 0.85rem; color: var(--dim); }

input[type="number"], select, textarea {
  background: var(--code-bg);
  color: var(--text);
  border: 2px solid var(--panel-edge);
  font-family: inherit;
  font-size: 0.85rem;
  padding: 7px 9px;
  outline: none;
}
input[type="number"]:focus, select:focus, textarea:focus {
  border-color: var(--green);
}
input[type="number"] { width: 90px; }
select { width: 100%; cursor: pointer; }
textarea { width: 100%; resize: vertical; }

.hint { font-size: 0.78rem; color: var(--dim); line-height: 1.6; }
.hint.dim { opacity: 0.7; }
code {
  background: var(--code-bg);
  color: var(--green-bright);
  padding: 2px 6px;
  border: 1px solid var(--panel-edge);
}

.btn {
  font-family: inherit;
  background: var(--panel-edge);
  color: var(--text);
  border: 2px solid #000;
  border-top-color: #4a584a;
  border-left-color: #4a584a;
  padding: 9px 16px;
  cursor: pointer;
  font-size: 0.9rem;
  letter-spacing: 1px;
}
.btn:hover:not(:disabled) { filter: brightness(1.25); }
.btn:active:not(:disabled) {
  border-top-color: #000;
  border-left-color: #000;
  border-bottom-color: #4a584a;
  border-right-color: #4a584a;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.small { padding: 6px 12px; font-size: 0.8rem; }
.btn.tiny  { padding: 3px 8px;  font-size: 0.7rem; }
.btn.primary { background: var(--green); color: #06130a; font-weight: bold; }
.btn.danger  { background: #6e2a22; }

.build-controls {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}
.build-controls .primary { flex: 1; }

.progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}
.progress-bar {
  flex: 1;
  height: 18px;
  background: var(--code-bg);
  border: 2px solid var(--panel-edge);
  overflow: hidden;
}
#progress-fill {
  height: 100%;
  width: 0%;
  background: repeating-linear-gradient(
    45deg,
    var(--green),
    var(--green) 8px,
    var(--green-bright) 8px,
    var(--green-bright) 16px
  );
  transition: width 0.15s linear;
}
#progress-text { font-size: 0.8rem; color: var(--dim); min-width: 60px; text-align: right; }

.field-row.sizes { gap: 12px; }
.size-group { display: flex; align-items: center; gap: 5px; }
.size-group input[type="number"] { width: 58px; }
.size-group label { font-size: 0.78rem; color: var(--dim); }

.maker-steps { margin-top: 10px; }
.maker-step {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  background: var(--code-bg);
  border: 1px solid var(--panel-edge);
  padding: 5px 8px;
  margin-bottom: 4px;
  font-size: 0.8rem;
  color: var(--yellow);
}
.maker-actions { margin-top: 10px; }

#draw-canvas {
  width: 100%;
  border: 2px solid var(--panel-edge);
  cursor: crosshair;
  image-rendering: pixelated;
  margin: 8px 0;
  touch-action: none;
}
.draw .build-controls { margin-top: 4px; }

.photo input[type="url"], .photo input[type="password"] {
  width: 100%;
  margin-bottom: 8px;
}

.manual textarea { margin: 6px 0 8px; }

.layer-readout {
  font-size: 0.78rem;
  color: var(--yellow);
  min-width: 92px;
  text-align: center;
}
#layer-controls { flex-wrap: wrap; }

.preview {
  background: var(--code-bg);
  border: 2px solid var(--panel-edge);
  max-height: 260px;
  overflow-y: auto;
  padding: 8px;
  font-size: 0.78rem;
}
.preview .cmd-row {
  display: flex;
  gap: 10px;
  padding: 4px 6px;
  border-bottom: 1px solid #1a1f1a;
}
.preview .cmd-row:last-child { border-bottom: none; }
.preview .cmd-num { color: var(--dim); min-width: 26px; }
.preview .cmd-label { color: var(--yellow); min-width: 140px; }
.preview .cmd-text { color: var(--green-bright); word-break: break-all; }

.log {
  background: var(--code-bg);
  border: 2px solid var(--panel-edge);
  height: 300px;
  overflow-y: auto;
  padding: 8px;
  font-size: 0.78rem;
  line-height: 1.7;
  margin-bottom: 8px;
}
.log .entry { word-break: break-all; }
.log .time { color: #4a584a; margin-right: 6px; }
.log .info    { color: var(--text); }
.log .send    { color: #7fb8e8; }
.log .success { color: var(--green-bright); }
.log .warn    { color: var(--yellow); }
.log .error   { color: var(--red); }
.log .chat    { color: #d8a8e8; }

/* --------------------------------------------------------------------------
   Multi-user additions: header user box, login view, pairing, studio layout.
   (Intentionally light — Claude Design will style this properly later.)
   -------------------------------------------------------------------------- */

.header-right { display: flex; align-items: center; gap: 20px; }
.user-box { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; color: var(--green-bright); }

[hidden] { display: none !important; }

/* Login */
.login-view {
  display: flex;
  justify-content: center;
  padding: 60px 20px;
}
.login-card { width: 100%; max-width: 380px; }
.field-col { display: flex; flex-direction: column; gap: 10px; margin: 12px 0; }
.field-col input {
  background: var(--code-bg);
  color: var(--text);
  border: 2px solid var(--panel-edge);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 9px 11px;
  outline: none;
}
.field-col input:focus { border-color: var(--green); }
.error-text { color: var(--red); min-height: 1.2em; }
.login-card a { color: var(--green-bright); }

/* Pairing strip */
.pairing { margin-bottom: 20px; }
.pairing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 760px) { .pairing-grid { grid-template-columns: 1fr; } }
.pair-code {
  font-size: 1.6rem;
  letter-spacing: 6px;
  color: var(--yellow);
  font-weight: bold;
  text-shadow: 2px 2px 0 #000;
}

/* Studio: drawing centerpiece + side preview/console */
.studio {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 20px;
  align-items: start;
}
@media (max-width: 1000px) { .studio { grid-template-columns: 1fr; } }

.draw-toolbar { display: flex; gap: 16px; flex-wrap: wrap; }
.draw-toolbar .field-row { flex: 1; min-width: 200px; }
.draw-panel #draw-canvas { max-width: 640px; }

.more-tools {
  margin-top: 24px;
  border-top: 1px solid var(--panel-edge);
  padding-top: 8px;
}
.more-tools summary {
  cursor: pointer;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--dim);
  padding: 8px 0;
}
.more-tools summary:hover { color: var(--green-bright); }