:root {
  --bg: #05080a;
  --panel: #0b1113;
  --line: rgba(230, 241, 238, 0.09);
  --cyan: #5eead4;
  --amber: #e8b96c;
  --text: #e6f1ee;
  --text-dim: #7d9c97;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, 'Segoe UI', sans-serif;
}

.hidden { display: none !important; }

.screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.panel {
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 2rem;
}

h1 { margin: 0 0 0.4rem; font-size: 1.4rem; }
.sub { color: var(--text-dim); font-size: 0.85rem; margin: 0 0 1.5rem; }

input {
  width: 100%;
  padding: 0.6rem 0.8rem;
  margin-bottom: 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: #0e1517;
  color: var(--text);
  font-size: 0.9rem;
}

button {
  padding: 0.6rem 1rem;
  border-radius: 6px;
  border: none;
  background: var(--cyan);
  color: #05080a;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
}

button.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-dim);
  margin-left: 0.5rem;
}

.switch { font-size: 0.85rem; color: var(--text-dim); }
.switch a { color: var(--cyan); }

.error { color: #e0665e; font-size: 0.85rem; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--line);
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.add-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr auto;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.add-row input { margin-bottom: 0; }

#item-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.item-main {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.item-main span { color: var(--text-dim); font-size: 0.85rem; }

.item-actions button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-dim);
  margin-left: 0.5rem;
  font-size: 0.8rem;
  padding: 0.4rem 0.7rem;
}

@media (max-width: 600px) {
  .add-row { grid-template-columns: 1fr; }
}