:root {
  --bg: #f5f1e8;
  --surface: #ffffff;
  --surface-alt: #f9f6ef;
  --border: #d7cdb8;
  --text: #21302a;
  --muted: #5d685f;
  --primary: #0f5c4d;
  --primary-dark: #0a463a;
  --danger: #9d2d2d;
  --shadow: 0 10px 30px rgba(26, 48, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Tahoma", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(15, 92, 77, 0.08), transparent 28%),
    linear-gradient(180deg, #f3efe4 0%, #f7f4ed 100%);
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem 2rem;
  background: linear-gradient(135deg, #f8f4ea 0%, #ece3d1 100%);
  border-bottom: 1px solid var(--border);
}

.topbar h1,
.page-header h2,
.panel h2,
.panel h3 {
  margin: 0 0 0.4rem;
}

.topbar p {
  margin: 0;
  color: var(--muted);
}

.muted-text {
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.nav a,
.button-link,
button,
.link-button {
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  border: 0;
  border-radius: 10px;
  padding: 0.7rem 1rem;
  cursor: pointer;
  transition: background 0.2s ease;
}

.nav a:hover,
.button-link:hover,
button:hover,
.link-button:hover {
  background: var(--primary-dark);
}

.link-button {
  padding: 0.65rem 0.9rem;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.5rem;
}

.panel,
.auth-card,
.stat-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 1.2rem;
  margin-bottom: 1rem;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
}

.auth-card {
  max-width: 480px;
  margin: 5rem auto;
}

.grid-form,
.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.two-col > .panel {
  margin-bottom: 0;
}

.full-width {
  grid-column: 1 / -1;
}

label,
fieldset {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.field-label {
  font-weight: 700;
  color: var(--text);
}

input,
select,
textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-alt);
  color: var(--text);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 0.75rem;
  border-bottom: 1px solid #ede7d7;
  text-align: right;
  vertical-align: top;
}

thead {
  background: #f2ecdf;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.stage-strip,
.tab-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.stage-strip div,
.tab-strip span {
  background: #f2ecdf;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem;
  text-align: center;
  color: var(--primary-dark);
  font-weight: 700;
}

.stat-card strong {
  font-size: 1.8rem;
  color: var(--primary);
}

.inline-form {
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
  margin: 0.15rem 0;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.6rem;
}

.checkbox-row {
  flex-direction: row;
  align-items: center;
}

.plain-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plain-list li {
  padding: 0.25rem 0;
}

.alert.error {
  background: #f8dddd;
  color: var(--danger);
  border: 1px solid #e5b5b5;
  padding: 0.85rem;
  border-radius: 12px;
  margin-bottom: 1rem;
}

.hint-box {
  margin-bottom: 1rem;
  background: #eef4ef;
  border: 1px solid #c9d8cc;
  color: #274a34;
  padding: 0.85rem;
  border-radius: 12px;
}

.small-text {
  font-size: 0.75rem;
  direction: ltr;
}

.lookup-hint {
  color: var(--muted);
  font-size: 0.78rem;
}

.stacked-meta {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .topbar,
  .grid-form,
  .two-col {
    grid-template-columns: 1fr;
    display: grid;
  }

  .topbar {
    padding: 1rem;
  }

  .nav {
    justify-content: flex-start;
  }
}