:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #16202a;
  --muted: #6b7785;
  --border: #d8e0ea;
  --primary: #1769ff;
  --primary-dark: #0d56d8;
  --danger: #d92d20;
  --danger-dark: #b42318;
  --success-bg: #ecfdf3;
  --success-text: #027a48;
  --error-bg: #fef3f2;
  --error-text: #b42318;
  --shadow: 0 10px 30px rgba(16, 24, 40, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

body {
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.app {
  width: min(1100px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

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

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 2rem;
  line-height: 1.1;
}

h2 {
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.subtitle,
.muted {
  color: var(--muted);
  margin: 6px 0 0;
}

.layout {
  display: grid;
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 0.95rem;
  font-weight: 600;
}

input[type="text"],
input[type="url"],
input[type="email"],
input[type="password"] {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 1rem;
  background: #fff;
  color: var(--text);
  outline: none;
}

input[type="text"]:focus,
input[type="url"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(23, 105, 255, 0.12);
}

.formActions,
.cardActions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 11px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: 0.18s ease;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

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

.btn-secondary {
  background: #edf2f7;
  color: var(--text);
}

.btn-secondary:hover {
  background: #e2e8f0;
}

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

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

.message,
.itemMessage {
  margin-top: 14px;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.95rem;
}

.message.success,
.itemMessage.success {
  background: var(--success-bg);
  color: var(--success-text);
}

.message.error,
.itemMessage.error {
  background: var(--error-bg);
  color: var(--error-text);
}

.hidden {
  display: none !important;
}

.sectionHeader {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: end;
  margin-bottom: 16px;
}

.searchInput {
  width: min(320px, 100%);
}

.state {
  color: var(--muted);
  padding: 16px 0;
}

.linksList {
  display: grid;
  gap: 14px;
}

.linkCard {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  background: #fff;
}

.linkCardTop {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

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

.slugBadge,
.statusBadge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.82rem;
  font-weight: 700;
}

.slugBadge {
  background: #eff6ff;
  color: #1d4ed8;
}

.statusBadge.active {
  background: #ecfdf3;
  color: #027a48;
}

.statusBadge.inactive {
  background: #f2f4f7;
  color: #475467;
}

.shortUrl {
  font-weight: 700;
  word-break: break-all;
}

.metrics {
  display: flex;
  gap: 12px;
}

.metric {
  min-width: 84px;
  text-align: right;
}

.metricLabel {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 4px;
}

.urlBlock,
.editBlock {
  margin-top: 14px;
}

.urlLabel {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.originalUrl {
  display: inline-block;
  word-break: break-all;
}

.toggleRow {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  align-items: center;
}

@media (max-width: 720px) {
  .app {
    width: min(100vw - 20px, 1100px);
    padding-top: 18px;
  }

  .topbar,
  .sectionHeader,
  .linkCardTop {
    flex-direction: column;
    align-items: stretch;
  }

  .metric {
    text-align: left;
  }

  .searchInput {
    width: 100%;
  }
}

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

.authStatus {
  color: var(--muted);
  font-size: 0.95rem;
}

.authGrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (max-width: 720px) {
  .authGrid {
    grid-template-columns: 1fr;
  }
}