:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1a2430;
  --muted: #5f6b7a;
  --line: #dbe1e8;
  --primary: #0f5ad5;
  --danger: #b42318;
  --ok: #027a48;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "SF Pro Text", "PingFang SC", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 24px;
  background: #0d1726;
  color: #eaf0f7;
}

.topbar h1 {
  margin: 0;
  font-size: 22px;
}

.topbar p {
  margin: 4px 0 0;
  color: #b9c5d7;
  font-size: 13px;
}

.token-box {
  display: flex;
  gap: 8px;
  align-items: center;
}

.token-box input {
  min-width: 260px;
}

.admin-session-box {
  display: flex;
  gap: 12px;
  align-items: center;
}

.session-user {
  font-size: 13px;
  color: #b9c5d7;
}

.layout {
  padding: 16px 24px 24px;
  display: grid;
  gap: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
}

.stats {
  display: flex;
  gap: 20px;
}

.stat-item {
  display: grid;
  gap: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
}

.message {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
}

.message.info {
  background: #eef4ff;
  border-color: #cfe0ff;
}

.message.error {
  background: #fff1f2;
  border-color: #fecdd3;
  color: #7f1d1d;
}

.message.success {
  background: #ecfdf3;
  border-color: #abefc6;
  color: #065f46;
}

.hidden {
  display: none;
}

.tabs {
  display: flex;
  gap: 8px;
}

.tab-btn {
  border: 1px solid var(--line);
  background: #f9fafb;
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
}

.tab-btn.active {
  background: #eaf2ff;
  border-color: #b7ccff;
  color: #153d9a;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.split {
  display: grid;
  grid-template-columns: minmax(520px, 1fr) minmax(460px, 560px);
  gap: 12px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.toolbar input,
.toolbar select {
  min-height: 36px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 10px;
  background: #fff;
  color: var(--text);
}

textarea {
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  padding: 8px 12px;
  cursor: pointer;
}

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

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

.table-wrap {
  overflow: auto;
  max-height: calc(100vh - 330px);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f5f7fb;
}

th,
td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 8px 6px;
  vertical-align: top;
}

tr:hover td {
  background: #f8fbff;
}

.form-pane h2 {
  margin: 4px 0 10px;
  font-size: 17px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.form-grid label {
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}

.form-grid .wide {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.import-box {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  display: grid;
  gap: 10px;
}

.import-box-head h3 {
  margin: 0;
  font-size: 16px;
}

.import-box-head p {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.import-toolbar {
  margin-bottom: 0;
}

.checkbox-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

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

.import-preview {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.6;
  white-space: pre-wrap;
}

.actions-cell {
  white-space: nowrap;
  display: flex;
  gap: 6px;
}

@media (max-width: 1200px) {
  .split {
    grid-template-columns: 1fr;
  }
}

.login-body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: radial-gradient(circle at top, #ecf4ff 0%, #f4f6f8 52%, #f4f6f8 100%);
}

.login-card {
  width: min(440px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(12, 23, 39, 0.08);
  padding: 18px;
  display: grid;
  gap: 12px;
}

.login-title {
  margin: 0;
  font-size: 22px;
}

.login-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.login-form {
  display: grid;
  gap: 10px;
}

.login-form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}