html {
  height: 100%;
  overflow: hidden;
}
body.admin-body {
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}
.admin-header {
  flex-shrink: 0;
}
.admin-header h1 {
  display: flex;
  align-items: center;
  gap: 10px;
}
.admin-badge {
  font-size: 12px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.18);
  padding: 3px 10px;
  border-radius: 999px;
}

.admin-main {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 20px 24px;
}

.login-panel {
  max-width: 380px;
  margin: 60px auto 0;
}
.admin-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
}
.admin-panel h2 {
  margin: 0 0 14px;
  font-size: 17px;
  color: var(--brand);
}

.admin-shell {
  flex: 1;
  min-height: 0;
  display: flex;
  gap: 16px;
}
.admin-pane {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
.admin-reg-panel {
  width: 300px;
  flex-shrink: 0;
}
.admin-article-panel {
  width: 300px;
  flex-shrink: 0;
}
.admin-edit-panel {
  flex: 1;
  min-width: 0;
}
.admin-empty-hint {
  flex: 1;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
}

.admin-pane-head {
  flex-shrink: 0;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--border);
}
.admin-pane-head h2 {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--brand);
}
.admin-pane-head:only-child {
  border-bottom: none;
}
.admin-pane-head input[type="text"] {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-family: inherit;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.admin-pane-head input[type="text"]:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-tint);
}

.admin-list {
  list-style: none;
  margin: 0;
  padding: 6px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}
.admin-list li {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13.5px;
  color: var(--text);
  cursor: pointer;
  line-height: 1.4;
  transition: background 0.12s ease, color 0.12s ease;
}
.admin-list li:hover {
  background: var(--brand-tint);
}
.admin-list li.selected {
  background: var(--brand);
  color: #fff;
}
.admin-list li.selected:hover {
  background: var(--brand);
}
.admin-list li .art-title {
  color: inherit;
  opacity: 0.75;
  font-size: 12.5px;
}
.admin-list li.changed-marker::after {
  content: "●";
  color: var(--accent);
  margin-left: 6px;
  font-size: 9px;
  vertical-align: middle;
}
.admin-list li.selected.changed-marker::after {
  color: #ffe0ad;
}

.admin-edit-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 16px 20px 20px;
  gap: 12px;
}
.admin-edit-body textarea {
  flex: 1;
  min-height: 160px;
  width: 100%;
  font-family: inherit;
  font-size: 14.5px;
  line-height: 1.6;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  resize: none;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.admin-edit-body textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-tint);
}
.admin-edit-body textarea.changed {
  border-color: var(--accent);
  background: #fffaf0;
}
.admin-edit-body textarea.changed:focus {
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.2);
}

.admin-form-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.admin-form-row label {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.admin-form-row label.grow {
  flex: 1;
  min-width: 200px;
}
.admin-form-row label.grow input {
  flex: 1;
}
.admin-form-row input[type="text"],
.admin-form-row input[type="password"],
.admin-form-row input[type="date"] {
  padding: 7px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-family: inherit;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.admin-form-row input[type="text"]:focus,
.admin-form-row input[type="password"]:focus,
.admin-form-row input[type="date"]:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-tint);
}
.admin-form-row button {
  padding: 8px 20px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--brand);
  color: #fff;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  transition: background 0.12s ease;
}
.admin-form-row button:hover {
  background: var(--brand-dark);
}
.admin-error {
  color: #c0392b;
  font-size: 13.5px;
  margin: 10px 0 0;
}
.admin-result {
  color: #1a7a3c;
  font-size: 13.5px;
  margin: 0;
}