/* ===== SYNAPSE WEB -- dark terminal aesthetic ===== */

:root {
  --bg:     #0c0c0c;
  --bg2:    #111111;
  --bg3:    #0a2a0a;
  --fg:     #33ff33;
  --dim:    #1a5c1a;
  --bright: #00ff41;
  --err:    #ff3333;
  --warn:   #ffaa00;
  --border: #1a5c1a;
  --font:   "Consolas", "Courier New", monospace;
}

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

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

a { color: var(--bright); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== layout ===== */
.site-header {
  border-bottom: 1px solid var(--dim);
  padding: 10px 20px;
  display: flex;
  align-items: baseline;
  gap: 18px;
}

.site-header h1 {
  margin: 0;
  font-size: 18px;
  color: var(--bright);
  letter-spacing: 2px;
}

.site-header nav a {
  color: var(--fg);
  font-size: 12px;
}
.site-header nav a:hover { color: var(--bright); }
.site-header nav a.active { color: var(--bright); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 20px;
}

/* ===== cards / panels ===== */
.panel {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 14px 16px;
  margin-bottom: 14px;
}

.panel-title {
  color: var(--bright);
  font-size: 11px;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--dim);
  padding-bottom: 6px;
  margin: 0 0 10px 0;
}

/* ===== buttons ===== */
.btn {
  background: transparent;
  border: none;
  color: var(--fg);
  font-family: var(--font);
  font-size: 12px;
  cursor: pointer;
  padding: 4px 10px;
}
.btn:hover { color: var(--bright); background: var(--bg3); }
.btn:disabled { color: var(--dim); cursor: default; background: transparent; }
.btn.bright { color: var(--bright); }
.btn.dim    { color: var(--dim); }
.btn.err    { color: var(--err); }
.btn.active { color: var(--bright); background: var(--bg3); }
.btn.warn   { color: var(--warn); }

/* ===== form elements ===== */
.field-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.field-row label {
  color: var(--dim);
  width: 180px;
  flex-shrink: 0;
  font-size: 12px;
}

input[type="text"], input[type="number"] {
  background: var(--bg2);
  border: 1px solid var(--dim);
  color: var(--fg);
  font-family: var(--font);
  font-size: 12px;
  padding: 3px 6px;
  outline: none;
  width: 160px;
}
input[type="text"]:focus, input[type="number"]:focus {
  border-color: var(--fg);
}
input[type="text"].narrow, input[type="number"].narrow { width: 70px; }
input[type="text"].wide,   input[type="number"].wide   { width: 260px; }

input[type="checkbox"] {
  accent-color: var(--bright);
  width: 14px; height: 14px;
  cursor: pointer;
}

.hint { color: var(--dim); font-size: 11px; padding-left: 188px; margin-bottom: 4px; }

/* ===== section header ===== */
.section-hdr {
  color: var(--bright);
  font-size: 11px;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--dim);
  padding: 10px 0 5px 0;
  margin: 16px 0 8px 0;
}

/* ===== layer boxes ===== */
.layers-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-start;
  margin-bottom: 4px;
}
.layer-col { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.layer-col label { font-size: 11px; color: var(--fg); }
.layer-col input {
  width: 52px;
  text-align: center;
  font-size: 13px;
  font-weight: bold;
  color: var(--bright);
}

/* ===== config lists ===== */
#builtin-list, #user-list {
  list-style: none;
  margin: 0; padding: 0;
  overflow-y: auto;
}
#builtin-list { max-height: 170px; }
#user-list    { max-height: 100px; }

#builtin-list li, #user-list li {
  padding: 4px 6px;
  cursor: pointer;
  border-bottom: 1px solid #0a150a;
  font-size: 12px;
  user-select: none;
}
#builtin-list li:hover,  #user-list li:hover  { background: var(--bg3); color: var(--bright); }
#builtin-list li.selected, #user-list li.selected { background: var(--bg3); color: var(--bright); }

.list-label {
  font-size: 10px;
  color: var(--dim);
  margin-bottom: 3px;
  letter-spacing: 0.5px;
}

/* ===== terminal ===== */
#terminal {
  background: var(--bg2);
  border: 1px solid var(--dim);
  font-family: var(--font);
  font-size: 12px;
  padding: 10px;
  height: 320px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.line-normal  { color: var(--fg); }
.line-bright  { color: var(--bright); }
.line-dim     { color: var(--dim); }
.line-err     { color: var(--err); }
.line-warn    { color: var(--warn); }
.line-iter    { color: var(--dim); }

/* ===== error curve canvas ===== */
#error-canvas {
  display: block;
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--dim);
  margin-top: 10px;
}

/* ===== status bar ===== */
#status-bar {
  border-top: 1px solid var(--dim);
  padding: 5px 20px;
  font-size: 11px;
  color: var(--dim);
  display: flex;
  gap: 20px;
}

/* ===== two-column layout ===== */
.cols { display: flex; gap: 16px; }
.cols .col-left  { width: 240px; flex-shrink: 0; }
.cols .col-right { flex: 1; min-width: 0; }

/* ===== json preview ===== */
#json-preview {
  background: var(--bg2);
  border: 1px solid var(--dim);
  font-size: 11px;
  padding: 10px;
  height: 520px;
  overflow-y: auto;
  white-space: pre;
  color: var(--fg);
}

/* ===== responsive ===== */
@media (max-width: 700px) {
  .cols { flex-direction: column; }
  .cols .col-left { width: 100%; }
  #terminal { height: 220px; }
  #json-preview { height: 260px; }
  .field-row label { width: 130px; }
  .hint { padding-left: 138px; }
}