:root {
  --bg: #f7f4ef;
  --text: #1c1c1c;
  --panel: #ffffff;
  --border: #d5d0c8;
  --accent: #245c54;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background: linear-gradient(135deg, #f7f4ef, #e7efe7);
  color: var(--text);
}
.container {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 16px 24px;
}

h1, h2, h3 { margin: 10px 0; }
.top-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
  padding: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  position: sticky;
  top: 0;
  z-index: 900;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.top-menu a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: #1f5d57;
  border: 1px solid var(--border);
  background: #f4faf7;
  font-weight: 700;
  font-size: 14px;
}
.top-menu a:hover {
  background: #eaf4ef;
}
.hero {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.lead {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.45;
}
.lead-small {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.4;
}
.landing-section {
  margin-top: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}
.seo-text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.55;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}
.feature-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  background: #f8fbf9;
}
.feature-card h3 {
  margin: 0 0 6px;
  font-size: 15px;
}
.feature-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
}
.donate-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.donate-custom {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
  align-items: center;
}
.donate-custom .donate-custom-amount {
  width: 180px;
}
.donate-widget-mount {
  min-height: 120px;
}
.donate-status {
  margin-top: 8px;
  font-size: 13px;
  color: #335b54;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
input, select, button {
  border: 1px solid #bbb;
  border-radius: 8px;
  font-size: 14px;
  padding: 8px 10px;
}
button, .button {
  background: var(--accent);
  color: #fff;
  border: 0;
  text-decoration: none;
  display: inline-block;
  padding: 10px 12px;
  border-radius: 8px;
}
.button.secondary {
  background: #666;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 14px;
}
.color-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}
.color-card a {
  color: #1f5d57;
  text-decoration: underline;
}
.swatch {
  height: 70px;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.2);
}
.swatch-link {
  display: block;
  text-decoration: none;
}

.tcx-chip-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 8px;
  margin-top: 6px;
}
.tcx-chip {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: #f3f6f4;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  text-decoration: none;
  color: #1f5d57;
  min-height: 48px;
}
.tcx-chip:hover {
  background: #eaf1ee;
}
.tcx-code {
  font-weight: 700;
  font-size: 12px;
}
.tcx-name {
  font-size: 12px;
  color: #244740;
}

.tcx-mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
  margin-top: 6px;
}
.tcx-mini-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  text-decoration: none;
  color: var(--text);
  min-height: 245px;
}
.tcx-mini-card:hover {
  background: #f3f7f5;
}
.tcx-mini-card .shade-swatch {
  height: 58px;
  margin-bottom: 6px;
}

table {
  border-collapse: collapse;
  background: var(--panel);
}
td {
  border: 1px solid var(--border);
  padding: 4px 6px;
  font-size: 12px;
}

.picker-wrap {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 12px;
}
.picker-canvas {
  width: 100%;
  min-height: 220px;
  background: #f0f0f0;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: crosshair;
}
.picker-side {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}

@media (max-width: 820px) {
  .picker-wrap {
    grid-template-columns: 1fr;
  }
}

.tcx-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 14px;
  align-items: start;
}

.shades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
  margin-top: 8px;
}
.shade-card {
  padding: 8px;
}
.shade-card h3 {
  margin: 6px 0 4px;
  font-size: 13px;
}
.shade-card p {
  margin: 2px 0;
  font-size: 12px;
}
.shade-swatch {
  height: 34px;
}

.palette-grid-compact {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
}
.palette-grid-compact p {
  margin: 4px 0;
  font-size: 12px;
}

.color-tile {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  min-height: 245px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  color: var(--text);
}
.tile-swatch {
  height: 58px;
}
.tile-title {
  font-weight: 700;
  font-size: 14px;
  line-height: 1.25;
  min-height: 34px;
}
.tile-role {
  color: #335b54;
  font-size: 12px;
  min-height: 18px;
}
.tile-meta {
  font-size: 12px;
  line-height: 1.3;
}
.tile-meta.copy-enabled {
  cursor: copy;
}
.tile-meta.copy-enabled:hover {
  background: #f2f7f4;
  border-radius: 4px;
}
.copy-toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  padding: 8px 10px;
  border-radius: 8px;
  background: #1f5d57;
  color: #fff;
  font-size: 12px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
  z-index: 1000;
}
.copy-toast.show {
  opacity: 1;
  transform: translateY(0);
}
details {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 8px;
}
summary {
  font-weight: 700;
  cursor: pointer;
}
details p {
  margin: 8px 0 0;
}

@media (max-width: 980px) {
  .tcx-layout {
    grid-template-columns: 1fr;
  }
}