:root {
  --bg-a: #f1ede7;
  --bg-b: #e6ddd2;
  --panel: #fffdf9;
  --panel-soft: #f8f2e9;
  --text: #2a241f;
  --muted: #6d6156;
  --ok: #21683f;
  --err: #9f352b;
  --warn: #8d5f00;
  --accent: #8a4a19;
  --line: #dfd1c2;
  --chip-line: #d7c8ba;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 85% 8%, #fff9f1, transparent 32%),
    linear-gradient(180deg, var(--bg-a), var(--bg-b));
  padding: 20px;
}

.shell {
  width: min(980px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.topbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
}

.nav a {
  text-decoration: none;
  color: var(--accent);
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fffbf4;
  font-weight: 600;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(51, 34, 16, 0.08);
  padding: 20px;
}

h1 {
  margin: 0 0 6px;
  font-size: 1.7rem;
}

h2 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

p {
  margin: 0 0 16px;
  color: var(--muted);
}

.status {
  margin-top: 16px;
  padding: 14px;
  border-radius: 10px;
  background: var(--panel-soft);
}

.status.error {
  border-left: 4px solid var(--err);
}

.status.ok {
  border-left: 4px solid var(--ok);
}

.status.pending {
  border-left: 4px solid var(--accent);
}

button {
  border: 0;
  border-radius: 10px;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

button.secondary {
  background: #847161;
}

button[disabled] {
  opacity: 0.7;
  cursor: wait;
}

form {
  display: grid;
  gap: 12px;
}

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.tab-btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  background: #f8efe5;
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}

.tab-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.rule-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: stretch;
}

.field {
  display: grid;
  gap: 8px;
  align-content: start;
}

.field label {
  font-weight: 700;
  font-size: 0.95rem;
}

.field-box {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fffaf4;
  padding: 10px;
  min-height: 88px;
}

input[type="number"],
input[type="file"] {
  border: 1px solid #cebcae;
  border-radius: 10px;
  padding: 11px;
  background: #fff;
  width: 100%;
  min-height: 44px;
}

input[type="file"] {
  border-style: dashed;
  background: #fffcf8;
}

.multi-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-radius: 10px;
  min-height: 68px;
  align-content: start;
}

.multi-option {
  position: relative;
}

.multi-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.multi-option span {
  display: inline-block;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid var(--chip-line);
  background: #faf2ea;
  font-size: 0.9rem;
  cursor: pointer;
  user-select: none;
}

.multi-option input:checked + span {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.multi-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 6px;
}

.multi-summary {
  color: var(--muted);
  font-size: 0.9rem;
}

.multi-actions {
  display: flex;
  gap: 10px;
}

.link-btn {
  border: 0;
  background: transparent;
  color: var(--accent);
  padding: 0;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 16px;
}

.divider {
  margin: 10px 0 16px;
  border: 0;
  border-top: 1px solid var(--line);
}

ul {
  margin: 8px 0 0 20px;
}

.meta {
  display: grid;
  gap: 6px;
  margin-top: 10px;
  font-family: "IBM Plex Mono", monospace;
}

.warn {
  color: var(--warn);
}

.err {
  color: var(--err);
}

.oktxt {
  color: var(--ok);
}

@media (max-width: 640px) {
  .card {
    padding: 16px;
  }

  h1 {
    font-size: 1.4rem;
  }

  .button-row {
    justify-content: flex-start;
  }
}