* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: #0a0a0a;
  color: #f0f0f0;
  font-family: 'Segoe UI', sans-serif;
  display: flex;
  justify-content: center;
  padding: 30px 20px;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 480px;
}

.header { margin-bottom: 28px; }

.back {
  display: inline-block;
  color: #c9a84c;
  font-size: 0.82rem;
  text-decoration: none;
  margin-bottom: 16px;
}

h1 { color: #c9a84c; font-size: 1.5rem; margin-bottom: 4px; }
.subtitle { color: #555; font-size: 0.85rem; }

.progress-wrap {
  background: #111;
  border: 1px solid #1e1e1e;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
}

.progress-top {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: #666;
  margin-bottom: 10px;
}

.progress-bar {
  background: #1a1a1a;
  border-radius: 10px;
  height: 8px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: #c9a84c;
  border-radius: 10px;
  transition: width 0.4s ease;
  width: 0%;
}

.habit-card {
  background: #111;
  border: 1px solid #1e1e1e;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color 0.2s;
}

.habit-card.done {
  border-color: #c9a84c44;
  background: #141200;
}

.habit-check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #333;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all 0.2s;
  min-width: 28px;
  background: #0a0a0a;
}

.habit-card.done .habit-check {
  background: #c9a84c;
  border-color: #c9a84c;
}

.habit-info { flex: 1; }

.habit-name {
  font-size: 0.95rem;
  font-weight: bold;
  color: #f0f0f0;
  margin-bottom: 3px;
}

.habit-card.done .habit-name {
  color: #c9a84c;
  text-decoration: line-through;
  text-decoration-color: #c9a84c55;
}

.habit-streak {
  font-size: 0.75rem;
  color: #444;
}

.habit-streak span { color: #c9a84c; }

.habit-delete {
  background: none;
  border: none;
  color: #2a2a2a;
  cursor: pointer;
  font-size: 0.8rem;
  padding: 4px;
  transition: color 0.2s;
}

.habit-delete:hover { color: #e05c5c; }

.add-section {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  margin-bottom: 28px;
}

.add-section input {
  flex: 1;
  padding: 10px 14px;
  background: #111;
  border: 1px solid #2a2a2a;
  border-radius: 10px;
  color: #fff;
  font-size: 0.9rem;
  outline: none;
}

.add-section input:focus { border-color: #c9a84c; }

.add-section button {
  padding: 10px 18px;
  background: #c9a84c;
  color: #000;
  font-weight: bold;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  white-space: nowrap;
}

.add-section button:hover { background: #e0c068; }

.streak-section h2 {
  font-size: 0.85rem;
  color: #333;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.streak-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: #111;
  border: 1px solid #1e1e1e;
  border-radius: 10px;
  margin-bottom: 8px;
  font-size: 0.85rem;
}

.streak-name { color: #888; }
.streak-count { color: #c9a84c; font-weight: bold; }

.empty { color: #333; font-size: 0.82rem; text-align: center; padding: 12px 0; }