:root {
  --bg: #f4f5f0;
  --panel: #ffffff;
  --ink: #1b1f1f;
  --subtle: #5f6666;
  --accent: #0d6a70;
  --accent-2: #0b4a4e;
  --border: #d9ded7;
  --ok: #1f7a38;
  --warn: #9c2f16;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Aptos", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 0% 0%, #dbe9d8, transparent 45%),
    radial-gradient(circle at 100% 100%, #d8e9e8, transparent 45%), var(--bg);
}

.container {
  width: min(920px, 92vw);
  margin: 2rem auto 3rem;
  display: grid;
  gap: 1rem;
}

.hero,
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
}

.kicker {
  margin: 0 0 0.4rem;
  color: var(--subtle);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

h1,
h2 {
  margin: 0 0 0.8rem;
}

.badge {
  margin: 0;
  display: inline-block;
  font-size: 0.95rem;
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border);
}

.badge.ok {
  color: var(--ok);
  border-color: #b8d8c0;
  background: #eff9f1;
}

.badge.warn {
  color: var(--warn);
  border-color: #e3c3bc;
  background: #fff4f1;
}

.task-form label {
  display: block;
  margin-bottom: 0.35rem;
}

.row {
  display: flex;
  gap: 0.45rem;
}

input,
button {
  font: inherit;
}

input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
}

button {
  border: 1px solid var(--accent-2);
  border-radius: 8px;
  color: #fff;
  background: var(--accent);
  padding: 0.6rem 0.9rem;
  cursor: pointer;
}

button:hover {
  filter: brightness(0.95);
}

.task-list {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.task-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.65rem;
}

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

.task-item .small {
  font-size: 0.85rem;
  background: transparent;
  color: var(--accent-2);
  border-color: var(--border);
}

.hint {
  color: var(--subtle);
  margin: 0 0 0.45rem;
}

.log {
  margin: 0;
  min-height: 120px;
  max-height: 260px;
  overflow: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #111414;
  color: #dce5e5;
  padding: 0.7rem;
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .row {
    flex-direction: column;
  }
}