:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --panel-2: #243044;
  --text: #e7ecf3;
  --muted: #9aa8bc;
  --accent: #3b82f6;
  --accent-2: #22c55e;
  --danger: #ef4444;
  --border: #2d3a4f;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 10% -10%, #1e3a5f 0%, transparent 50%),
              radial-gradient(900px 500px at 100% 0%, #14532d33 0%, transparent 45%),
              var(--bg);
  color: var(--text);
}

.app {
  width: min(760px, calc(100% - 32px));
  margin: 32px auto 48px;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 20px;
}

h1 {
  margin: 0 0 4px;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
}

.sub { margin: 0; color: var(--muted); font-size: 0.92rem; }

.date-nav {
  display: flex;
  gap: 8px;
  align-items: center;
}

button, input[type="date"], input[type="text"] {
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
}

button {
  cursor: pointer;
  background: var(--accent);
  border-color: transparent;
  font-weight: 600;
}

button.secondary { background: var(--panel-2); border: 1px solid var(--border); }
button:hover { filter: brightness(1.08); }
#prevDay, #nextDay { width: 42px; padding-left: 0; padding-right: 0; }

.composer {
  display: flex;
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px;
  box-shadow: var(--shadow);
}

.composer input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 8px 10px;
}

.stats {
  display: flex;
  gap: 12px;
  margin: 14px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}

.item.done .text {
  text-decoration: line-through;
  color: var(--muted);
}

.text { word-break: break-word; }
.meta {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--muted);
}

.badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 999px;
  background: #334155;
  color: #cbd5e1;
  font-size: 0.7rem;
}

.badge.chat { background: #14532d; color: #bbf7d0; }

.actions { display: flex; gap: 6px; }
.actions button {
  background: transparent;
  border: 1px solid var(--border);
  padding: 6px 10px;
  font-size: 0.8rem;
}
.actions .danger { color: #fecaca; border-color: #7f1d1d; }

.empty {
  text-align: center;
  color: var(--muted);
  background: var(--panel);
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 28px 16px;
}
.hidden { display: none; }

input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-2);
}