:root {
  --bg: #f6f4ee;
  --paper: #fffdf7;
  --ink: #21281f;
  --muted: #6c7065;
  --line: #ddd8c9;
  --accent: #6b8e7b;
  --accent-soft: #e7eee4;
  --max: 720px;
  --color-sage: #9bb29c;
  --color-slate: #8a98a7;
  --color-rose: #c8a5a0;
  --color-sand: #c9b78b;
  --color-mist: #a5b8c2;
  --color-ochre: #b89766;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
}
.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
a { color: var(--accent); }
code { background: var(--accent-soft); padding: 1px 5px; border-radius: 4px; font-size: 0.92em; font-family: ui-monospace, "SF Mono", Menlo, monospace; }

.site-header { background: var(--paper); border-bottom: 1px solid var(--line); }
.nav { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand-mark { width: 28px; height: 28px; color: var(--accent); }
.brand-text { display: inline-flex; flex-direction: column; }
.brand strong { font-size: 17px; letter-spacing: -0.02em; }
.brand span { font-size: 11px; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }

.contact-trigger { border: 1px solid var(--line); background: var(--paper); color: var(--ink); font: inherit; font-size: 14px; padding: 7px 14px; border-radius: 999px; cursor: pointer; }
.contact-trigger:hover { border-color: var(--accent); color: var(--accent); }

.tool { padding: 28px 0 48px; }
.tool-head { display: flex; justify-content: flex-end; margin-bottom: 14px; }
.add-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  padding: 10px 20px;
  cursor: pointer;
}
.add-btn:hover { background: #557263; }

.hint {
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 16px;
}
.hint strong { color: var(--ink); }

.balance-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.row {
  display: grid;
  grid-template-columns: auto auto 1fr auto auto auto auto;
  align-items: center;
  gap: 10px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.02), 0 2px 6px rgba(0,0,0,0.03);
  touch-action: none;
}
.row.dragging { opacity: 0.85; box-shadow: 0 10px 24px rgba(0,0,0,0.12); }
.drag-handle {
  width: 22px;
  height: 32px;
  display: flex; align-items: center; justify-content: center;
  cursor: grab;
  color: var(--muted);
  touch-action: none;
  user-select: none;
}
.drag-handle:active { cursor: grabbing; }
.drag-handle svg { width: 12px; height: 20px; }
.color-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.1);
  cursor: pointer;
  flex-shrink: 0;
}
.row-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  border: none;
  background: transparent;
  font: inherit;
  font-weight: 600;
  padding: 6px 8px;
  border-radius: 6px;
  min-width: 0;
  width: 100%;
}
.row-label:focus { outline: 2px solid var(--accent); background: #fff; }
.minus-btn, .plus-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  user-select: none;
  touch-action: manipulation;
}
.minus-btn:hover, .plus-btn:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.minus-btn:active, .plus-btn:active { transform: scale(0.94); }

.row-value {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  width: 96px;
  padding: 4px 6px;
  border: none;
  background: transparent;
  font-family: ui-sans-serif, system-ui;
  border-radius: 6px;
  cursor: text;
  letter-spacing: -0.02em;
}
.row-value:focus { outline: 2px solid var(--accent); background: #fff; }

.menu-btn-trigger {
  width: 32px; height: 32px;
  border: none; background: transparent;
  color: var(--muted);
  cursor: pointer;
  border-radius: 6px;
  font-size: 20px;
  line-height: 1;
}
.menu-btn-trigger:hover { background: var(--accent-soft); color: var(--accent); }

@media (max-width: 540px) {
  .row { gap: 6px; padding: 10px 8px; }
  .row-value { font-size: 22px; width: 72px; }
  .minus-btn, .plus-btn { width: 36px; height: 36px; font-size: 18px; }
  .brand-text span { display: none; }
}

.site-footer { border-top: 1px solid var(--line); padding: 24px 0; background: var(--paper); }
.site-footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 14px; color: var(--muted); }
.site-footer p { margin: 0; }
.for-sale { font-weight: 600; }

.row-menu { border: none; background: transparent; padding: 0; max-width: 380px; width: 92vw; }
.row-menu::backdrop { background: rgba(20, 28, 24, 0.45); }
.row-menu-inner { background: var(--paper); border-radius: 16px; padding: 24px; box-shadow: 0 20px 60px rgba(0,0,0,0.25); display: grid; gap: 16px; }
.row-menu-inner h3 { margin: 0; font-size: 18px; word-break: break-word; }
.row-menu-step { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--muted); }
.row-menu-step input { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); }
.row-menu-colors { display: grid; gap: 8px; }
.row-menu-label { font-size: 13px; font-weight: 600; color: var(--muted); }
.color-row { display: flex; gap: 10px; flex-wrap: wrap; }
.color-row .color-swatch {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
}
.color-row .color-swatch.selected { border-color: var(--ink); }
.row-menu-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; margin-top: 4px; }
.menu-btn { font: inherit; border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 999px; padding: 8px 14px; cursor: pointer; font-size: 14px; }
.menu-btn:hover { background: var(--accent-soft); }
.menu-btn.danger { color: #a4453d; border-color: #e9c5c1; }
.menu-btn.danger:hover { background: #f7e6e3; }
.menu-btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.menu-btn.primary:hover { background: #557263; }

.contact-modal { border: none; background: transparent; padding: 0; max-width: 480px; width: 92vw; }
.contact-modal::backdrop { background: rgba(20, 28, 24, 0.55); }
.contact-modal-inner { background: var(--paper); border-radius: 16px; padding: 28px; box-shadow: 0 20px 60px rgba(0,0,0,0.25); }
.contact-modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.contact-modal-head h2 { margin: 0; font-size: 22px; }
.contact-close { border: none; background: none; cursor: pointer; font-size: 26px; line-height: 1; color: var(--muted); padding: 4px 8px; }
.contact-close:hover { color: var(--ink); }
.contact-form { display: grid; gap: 14px; margin-top: 14px; }
.contact-form label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; }
.contact-form input, .contact-form textarea { font: inherit; border: 1px solid var(--line); background: var(--bg); border-radius: 8px; padding: 10px 12px; color: var(--ink); }
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.submit-button { justify-self: start; border: none; background: var(--accent); color: #fff; border-radius: 999px; font: inherit; font-weight: 700; padding: 10px 22px; cursor: pointer; }
.submit-button:hover { background: #557263; }