:root {
  --bg: #f4f7f4;
  --surface: #ffffff;
  --line: #d4ddd4;
  --text: #1e2b1e;
  --muted: #5f6e5f;
  --primary: #2d7b58;
  --primary-strong: #256447;
  --accent: #eef7f0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(180deg, #edf4ee 0%, var(--bg) 100%);
  color: var(--text);
}

.app-shell {
  width: min(980px, 100% - 2rem);
  margin: 1.2rem auto 2rem;
  display: grid;
  gap: 1rem;
}

.header,
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
}

.header h1 {
  margin: 0;
  font-size: 1.45rem;
}

.header p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

h2 {
  margin: 0;
  font-size: 1.1rem;
}

.form-grid {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.7rem;
  align-items: end;
}

.form-grid label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
  color: var(--muted);
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.5rem;
  font-size: 0.95rem;
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
}

.checkbox-field input {
  width: auto;
  margin: 0;
}

.btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.8rem;
  cursor: pointer;
  font-weight: 600;
}

.btn-primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-strong);
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

th,
td {
  padding: 0.55rem 0.6rem;
  border-bottom: 1px solid #e8ede8;
  text-align: left;
  font-size: 0.92rem;
}

th {
  background: var(--accent);
  color: #35533f;
}

.empty-state {
  margin-top: 0.8rem;
  color: var(--muted);
}

.message {
  min-height: 1.2rem;
  margin: 0;
  color: #356644;
  font-weight: 600;
}

@media (max-width: 640px) {
  .app-shell {
    width: min(980px, 100% - 1rem);
  }
}