:root {
  --bg1: #f4f7fb;
  --bg2: #e9eef7;
  --text: #0d141c;
  --card: #ffffff;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-contrast: #ffffff;
  --outline: #cbd5e1;
  --result: rgba(0,0,0,0.04);
}

body.dark {
  --bg1: #0e1624;
  --bg2: #0b1320;
  --text: #e6eefc;
  --card: #111827;
  --muted: #93a3b8;
  --accent: #38bdf8;
  --accent-contrast: #0b1320;
  --outline: #324055;
  --result: rgba(255,255,255,0.06);
}


html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg1), var(--bg2));
}


.container { max-width: 960px; margin: 16px auto; padding: 0 16px; }
.row { display: flex; align-items: center; gap: 12px; justify-content: space-between; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }

h1 { font-size: 2rem; margin: 8px 0; }
h2 { margin: 0 0 8px 0; }
.emoji { margin-left: 8px; }


.pill { background: var(--card); border: 1px solid var(--outline); border-radius: 999px; padding: 8px 12px; }
.card { background: var(--card); border: 1px solid var(--outline); border-radius: 16px; padding: 16px; }
.result { margin-top: 12px; padding: 12px; border-radius: 12px; background: var(--result); border: 1px dashed var(--outline); min-height: 48px; }


input[type="text"] {
  flex: 1;
  min-width: 200px;
  padding: 10px 12px;
  border: 1px solid var(--outline);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  outline: none;
}

.btn {
  padding: 10px 14px;
  border-radius: 12px;
  border: none;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 600;
  cursor: pointer;
  transition: opacity .2s, transform .05s;
}
.btn:hover { opacity: .9; }
.btn:active { transform: translateY(1px); }

.btn.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--outline);
}

.note { opacity: .8; font-size: .9rem; }