:root {
  --bg: #f3f6f8;
  --panel: #ffffff;
  --text: #1f2a33;
  --muted: #667787;
  --line: #d9e2ea;
  --primary: #0f6e56;
  --primary-hover: #0b5744;
  --danger: #b42318;
  --danger-hover: #912018;
  --ok-bg: #ecfdf3;
  --ok-text: #027a48;
  --err-bg: #fef3f2;
  --err-text: #b42318;
  --shadow: 0 10px 30px rgba(31, 42, 51, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 110, 86, 0.08), transparent 28%),
    linear-gradient(180deg, #eef4f7 0%, var(--bg) 40%, #e9eef2 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 40px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.brand a {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.main {
  min-height: 60vh;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

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

.desc {
  margin: 8px 0 20px;
  color: var(--muted);
}

.search-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.search-form input,
.form input {
  width: 280px;
  max-width: 100%;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 12px;
  font-size: 14px;
  outline: none;
  background: #fff;
}

.search-form input:focus,
.form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 110, 86, 0.12);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
}

.btn:hover {
  background: #f7fafb;
}

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

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

.btn-ghost {
  background: transparent;
}

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

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

.btn-sm {
  height: 32px;
  padding: 0 10px;
  font-size: 13px;
}

.table-wrap {
  overflow-x: auto;
}

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

th,
td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
  font-size: 14px;
}

th {
  color: var(--muted);
  font-weight: 600;
  background: #f8fbfc;
}

.key-code {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 8px;
  background: #eef7f3;
  color: var(--primary);
  font-family: Consolas, "Courier New", monospace;
  font-size: 15px;
  letter-spacing: 1px;
}

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

.actions form {
  margin: 0;
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 28px 10px;
}

.hint {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hint code {
  background: #f3f6f8;
  padding: 2px 6px;
  border-radius: 6px;
}

.info-banner {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #eef7f3;
  border: 1px solid #cfe8dc;
  color: var(--text);
  font-size: 14px;
}

.info-banner a {
  color: var(--primary);
  text-decoration: underline;
}

.info-banner code {
  background: #fff;
  padding: 2px 6px;
  border-radius: 6px;
  word-break: break-all;
}

.field-tip {
  color: var(--muted);
  font-size: 12px;
}

.checkbox-row {
  display: flex !important;
  align-items: center;
  gap: 8px;
  grid-template-columns: none !important;
}

.checkbox-row input {
  width: auto !important;
  height: auto;
}

.settings-panel {
  max-width: 640px;
}

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-page .main {
  width: 100%;
  max-width: 420px;
  min-height: auto;
}

.login-panel h1 {
  text-align: center;
}

.login-panel .desc {
  text-align: center;
}

.form-panel {
  max-width: 560px;
}

.form {
  display: grid;
  gap: 16px;
}

.form label {
  display: grid;
  gap: 8px;
}

.form label span {
  font-size: 14px;
  color: var(--muted);
}

.form input {
  width: 100%;
}

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

.readonly-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
  padding: 14px;
  border-radius: 12px;
  background: #f7fafb;
  border: 1px dashed var(--line);
  color: var(--muted);
}

.flash-list {
  margin-bottom: 16px;
  display: grid;
  gap: 8px;
}

.flash {
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
}

.flash-success {
  background: var(--ok-bg);
  color: var(--ok-text);
}

.flash-error {
  background: var(--err-bg);
  color: var(--err-text);
}

.footer {
  margin-top: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 720px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand a {
    font-size: 24px;
  }

  .search-form input {
    width: 100%;
  }
}