:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-card-hover: #20242f;
  --border: #2a2f3d;
  --text: #e8eaf0;
  --text-dim: #8b92a5;
  --accent: #6c8cff;
  --accent-hover: #85a0ff;
  --green: #34d399;
  --gray: #64748b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  padding: 32px 0 20px;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 26px;
  font-weight: 700;
}

.subtitle {
  color: var(--text-dim);
  margin-top: 6px;
  font-size: 15px;
}

/* Controls */
.controls {
  margin: 24px 0;
}

.search {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  transition: border-color .15s ease;
}

.search:focus {
  border-color: var(--accent);
}

.search::placeholder {
  color: var(--text-dim);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag {
  padding: 6px 14px;
  font-size: 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
  transition: all .15s ease;
}

.tag:hover {
  border-color: var(--accent);
  color: var(--text);
}

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

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
  padding-bottom: 40px;
}

.card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
  position: relative;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.card-icon {
  font-size: 34px;
  line-height: 1;
}

.status {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray);
  margin-top: 4px;
  flex-shrink: 0;
}

.status.online {
  background: var(--green);
}

.status.checking {
  background: var(--gray);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.card-desc {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 14px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card-tag {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(108, 140, 255, .12);
  color: var(--accent);
}

/* Empty state */
.empty {
  text-align: center;
  color: var(--text-dim);
  padding: 60px 0;
  font-size: 15px;
}

.hidden {
  display: none;
}

/* Footer */
.footer {
  margin-top: auto;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 13px;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
}

.admin-link:hover {
  text-decoration: underline;
}

/* Кнопки */
.btn {
  display: inline-block;
  padding: 10px 18px;
  font-size: 14px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--text);
  background: var(--bg-card);
  border-color: var(--border);
  transition: all .15s ease;
  text-decoration: none;
}

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

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

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

.btn-danger {
  border-color: rgba(244, 63, 94, .5);
  color: #f87171;
}

.btn-danger:hover {
  background: rgba(244, 63, 94, .12);
  border-color: #f87171;
}

.btn-ghost:hover {
  border-color: var(--text-dim);
}

.btn-small {
  padding: 6px 12px;
  font-size: 13px;
}

/* Админ-панель */
.admin-wrap {
  padding-top: 32px;
  padding-bottom: 40px;
}

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

.admin-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  max-width: 640px;
}

.admin-card .logo {
  margin-bottom: 18px;
  font-size: 22px;
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.admin-msg {
  margin-top: 12px;
  font-size: 14px;
  color: var(--green);
}

.admin-msg.error {
  color: #f87171;
}

.admin-back {
  margin-top: 18px;
  font-size: 14px;
}

.admin-back a {
  color: var(--accent);
  text-decoration: none;
}

.admin-back a:hover {
  text-decoration: underline;
}

.admin-toolbar {
  margin-bottom: 20px;
}

.admin-form-title {
  font-size: 18px;
  margin-bottom: 16px;
}

.admin-label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.admin-label .search {
  display: block;
  margin-top: 6px;
}

.admin-label code {
  background: var(--bg);
  padding: 1px 6px;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--text);
}

.admin-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 14px;
}

.admin-textarea {
  resize: vertical;
  font-family: inherit;
}

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

.admin-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.admin-row-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  flex-wrap: wrap;
}

.admin-item-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.admin-item-name {
  font-weight: 600;
  font-size: 15px;
}

.admin-item-url {
  color: var(--text-dim);
  font-size: 13px;
  word-break: break-all;
}

.admin-item-actions {
  display: flex;
  gap: 8px;
}

.admin-empty {
  color: var(--text-dim);
  text-align: center;
  padding: 40px 0;
}

@media (max-width: 640px) {
  .header { padding-top: 22px; }
  .logo { font-size: 22px; }
  .grid { grid-template-columns: 1fr; }
  .admin-row { grid-template-columns: 1fr; }
  .admin-row-item { flex-direction: column; align-items: flex-start; }
}