:root {
  --bg: #f5ebe0;
  --panel: #fffaf3;
  --ink: #2b1d14;
  --muted: #6b5b4e;
  --line: #d6c5b3;
  --accent: #a98467;
  --accent-strong: #6f4a30;
  --danger: #b3261e;
  --ok: #2e7d32;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(60, 40, 20, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1611;
    --panel: #261d15;
    --ink: #f1e7da;
    --muted: #b3a18c;
    --line: #3d2f22;
    --accent: #c79b7b;
    --accent-strong: #e0b48f;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; font-size: 14px; line-height: 1.45; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.row { display: flex; gap: 8px; align-items: center; }

button {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: background 0.15s, border-color 0.15s;
}
button:hover { background: var(--bg); border-color: var(--accent); }
button.primary { background: var(--accent); color: white; border-color: var(--accent-strong); }
button.primary:hover { background: var(--accent-strong); }
button.ghost { background: transparent; }
button.danger { color: var(--danger); border-color: rgba(179, 38, 30, 0.3); }
button.danger:hover { background: rgba(179, 38, 30, 0.08); }
button.small { padding: 4px 8px; font-size: 12px; }

input, select, textarea {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 8px;
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
textarea { resize: vertical; font-family: ui-monospace, SF Mono, Menlo, monospace; }

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
  text-transform: none;
}
label input, label select { font-size: 14px; color: var(--ink); }
label .hint { font-size: 11px; color: var(--muted); }

/* Topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand strong { font-size: 16px; letter-spacing: 0.2px; }
.logo {
  width: 22px; height: 22px;
  background:
    repeating-linear-gradient(90deg, var(--accent) 0 3px, transparent 3px 6px),
    repeating-linear-gradient(0deg, var(--accent-strong) 0 3px, transparent 3px 6px),
    var(--bg);
  border-radius: 4px;
  border: 1px solid var(--accent-strong);
}
.topbar-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 51px);
}
@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
}

.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
}
.sidebar-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.project-list { list-style: none; margin: 0; padding: 6px; flex: 1; overflow-y: auto; }
.project-list li {
  padding: 8px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex; flex-direction: column;
}
.project-list li:hover { background: var(--bg); }
.project-list li.active { background: var(--bg); border: 1px solid var(--accent); }
.project-list .p-name { font-weight: 600; }
.project-list .p-meta { font-size: 11px; color: var(--muted); }
.sidebar-foot { padding: 10px 14px; border-top: 1px solid var(--line); }

/* Editor */
.editor { padding: 16px 20px; max-width: 1100px; }
.editor-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.editor-head input[type=text] { flex: 1; font-size: 18px; font-weight: 600; padding: 8px 10px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tab {
  background: transparent; border: 0; padding: 8px 14px;
  border-bottom: 2px solid transparent; border-radius: 0;
  color: var(--muted);
}
.tab:hover { color: var(--ink); background: transparent; }
.tab.active { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.grid { display: grid; gap: 12px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 700px) {
  .grid.two, .grid.three { grid-template-columns: 1fr; }
}

h3 { margin: 20px 0 8px; font-size: 14px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
h1 { margin: 0 0 8px; }

.wpi-box {
  margin-top: 16px;
  padding: 12px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.wpi-box .row { gap: 16px; align-items: flex-end; }

/* Calculator */
.calc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (min-width: 800px) { .calc-grid { grid-template-columns: repeat(4, 1fr); } }
.calc-card { background: var(--panel); border: 1px solid var(--line); padding: 14px; border-radius: var(--radius); box-shadow: var(--shadow); }
.calc-card.span-2 { grid-column: span 2; }
.calc-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
.calc-value { font-size: 26px; font-weight: 700; margin: 4px 0; }
.calc-sub { font-size: 11px; color: var(--muted); }

.dist-box { margin-top: 16px; }
.dist-box summary { cursor: pointer; padding: 8px 0; color: var(--muted); }
#color-yardage { width: 100%; border-collapse: collapse; margin-top: 8px; }
#color-yardage th, #color-yardage td { padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: left; }
#color-yardage th { font-size: 11px; text-transform: uppercase; color: var(--muted); }

/* Draft tab */
.palette-bar { display: flex; align-items: center; gap: 10px; padding: 10px 0; flex-wrap: wrap; }
.palette { display: flex; gap: 6px; flex-wrap: wrap; }
.palette-swatch {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 4px 4px 6px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius);
}
.palette-swatch input[type=color] { width: 28px; height: 24px; padding: 0; border: 0; background: transparent; }
.palette-swatch .letter { font-family: ui-monospace, monospace; font-weight: 700; color: var(--muted); }
.palette-swatch button { padding: 2px 6px; font-size: 11px; }

.seq-row { margin: 14px 0; }
.seq-controls { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 8px; }
.seq-controls label { width: auto; }
.seq-controls input[type=text] { min-width: 220px; }
.seq-controls input[type=number] { width: 80px; }

.strip {
  display: flex;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}
.strip.vertical { height: auto; max-height: 200px; flex-direction: column; width: 28px; overflow-y: auto; }
.strip > span { flex: 1 0 6px; min-width: 6px; }
.strip.vertical > span { min-height: 6px; flex: 1 0 6px; width: 100%; }

.preview-wrap { overflow: auto; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; }
canvas { display: block; max-width: 100%; }

/* Login */
.login {
  position: fixed; inset: 0;
  background: rgba(43, 29, 20, 0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.login-box {
  background: var(--panel); padding: 24px;
  border-radius: 12px; box-shadow: 0 4px 24px rgba(0,0,0,0.2);
  display: flex; flex-direction: column; gap: 10px;
  width: min(360px, 90vw);
}
.login-error { color: var(--danger); font-size: 12px; min-height: 16px; margin: 0; }

/* Toast */
.toast {
  position: fixed;
  bottom: 20px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--ink); color: var(--bg);
  padding: 10px 16px; border-radius: 20px;
  font-size: 13px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  opacity: 0; transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
  z-index: 200;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--danger); color: white; }
.toast.ok { background: var(--ok); color: white; }

code {
  background: var(--bg); padding: 1px 5px; border-radius: 4px;
  font-family: ui-monospace, monospace; font-size: 12px;
}