:root {
  color-scheme: light;
  --ink: #15202b;
  --muted: #5b6876;
  --line: #d8dee6;
  --panel: #ffffff;
  --page: #f4f7f9;
  --green: #0f766e;
  --gold: #c0841a;
  --red: #b42318;
  --blue: #2359c4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--ink);
  overflow-x: hidden;
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.sidebar {
  background: #111827;
  color: white;
  padding: 24px;
}

.app-nav-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.app-nav-menu {
  display: contents;
}

.brand {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0;
}

.app-brand {
  display: inline-flex;
  width: auto;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.brand.dark {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  background: white;
  color: var(--ink);
  font-weight: 720;
  cursor: pointer;
}

.tagline {
  margin: 6px 0 28px;
  color: #cbd5e1;
  line-height: 1.45;
}

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

.nav button {
  width: 100%;
  border: 0;
  border-radius: 6px;
  padding: 11px 12px;
  text-align: left;
  color: #dbeafe;
  background: transparent;
  cursor: pointer;
}

.nav-link {
  width: 100%;
  border-radius: 6px;
  padding: 11px 12px;
  text-align: left;
  color: #dbeafe;
  text-decoration: none;
}

.nav button.active,
.nav button:hover,
.nav-link:hover {
  background: #263244;
  color: white;
}

.account {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid #334155;
  display: grid;
  gap: 8px;
}

.account span {
  color: #cbd5e1;
  font-size: 13px;
}

.main {
  padding: 28px;
  max-width: 1280px;
  width: 100%;
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

h1 {
  margin: 0;
  font-size: 32px;
  line-height: 1.15;
}

h2 {
  margin: 0 0 14px;
  font-size: 21px;
}

h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

p {
  color: var(--muted);
  line-height: 1.55;
}

.button {
  border: 0;
  border-radius: 6px;
  padding: 10px 14px;
  background: var(--ink);
  color: white;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
}

.button.secondary {
  background: white;
  color: var(--ink);
  border: 1px solid var(--line);
}

.button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.button.danger {
  background: #fff;
  color: var(--red);
  border: 1px solid #f0b4ae;
}

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

.grid.two {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
}

.grid.two.smartqr-editor {
  grid-template-columns: minmax(0, 1.65fr) minmax(300px, 400px);
  align-items: start;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel,
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.panel.compact {
  padding: 12px;
}

.metric {
  display: grid;
  gap: 6px;
}

.metric strong {
  font-size: 28px;
}

.metric span,
.small,
label span {
  color: var(--muted);
  font-size: 13px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

th,
td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: .04em;
}

tr:last-child td {
  border-bottom: 0;
}

.status {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 12px;
  background: #dff7ef;
  color: #075e54;
}

.status.off {
  background: #f3f4f6;
  color: #6b7280;
}

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

label {
  display: grid;
  gap: 7px;
  font-weight: 650;
}

input {
  min-width: 0;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
  background: white;
  color: var(--ink);
}

textarea {
  min-width: 0;
  width: 100%;
  min-height: 160px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
  background: white;
  color: var(--ink);
  font: inherit;
  resize: vertical;
}

select {
  min-width: 0;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
  background: white;
  color: var(--ink);
}

input[type="checkbox"] {
  width: auto;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 500;
}

.checkbox-label input {
  margin-top: 3px;
}

.checkbox-label span {
  line-height: 1.4;
}

input[type="color"] {
  height: 44px;
  padding: 4px;
}

input:disabled,
select:disabled {
  color: #6b7280;
  background: #f3f4f6;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.row > .button,
.row > a.button {
  flex: 0 1 auto;
}

.filter-row {
  display: flex;
  align-items: end;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-row label {
  min-width: 180px;
}

.rule-list {
  display: grid;
  gap: 14px;
}

.scan-gate {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 14px;
  align-items: end;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  margin-top: 14px;
  background: #f8fbff;
}

.scan-gate h3,
.scan-gate p {
  margin-top: 0;
}

.scan-gate-controls {
  display: grid;
  grid-template-columns: minmax(130px, 1fr) minmax(110px, 0.75fr);
  gap: 10px;
}

.utm-builder {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #f8fbff;
}

.utm-builder h2 {
  margin: 0 0 4px;
}

.utm-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.rule {
  display: grid;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #fbfdff;
}

.rule-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  min-width: 0;
}

.rule-heading span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 78px;
  min-height: 32px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #dff7ef;
  color: #075e54;
  font-size: 0.86rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.rule-heading strong {
  color: var(--ink);
  font-size: 1.02rem;
  min-width: 0;
  overflow-wrap: anywhere;
  text-align: right;
}

.rule-main {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) minmax(180px, 0.8fr);
  gap: 12px;
}

.rule-fields {
  display: grid;
  grid-template-columns: minmax(120px, 0.75fr) minmax(120px, 0.75fr) minmax(140px, 0.7fr);
  gap: 12px;
}

.rule-fields.scan-count-fields {
  grid-template-columns: minmax(140px, 0.8fr) minmax(140px, 0.8fr) minmax(220px, 1fr);
  align-items: end;
}

.rule-fields.scan-count-fields p {
  margin: 0;
}

.rule-tracking {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.rule-tracking span {
  color: var(--muted);
  font-size: 0.92rem;
  min-width: 0;
  overflow-wrap: anywhere;
}

.rule-tracking strong {
  color: var(--ink);
}

.hidden {
  display: none;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(17, 24, 39, 0.48);
}

.modal-backdrop.hidden {
  display: none;
}

.modal {
  width: min(720px, 100%);
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(17, 24, 39, 0.28);
  padding: 20px;
}

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

.modal-header h2 {
  margin: 0 0 4px;
}

.modal-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.modal-actions {
  margin-top: 18px;
}

.notice {
  border-left: 4px solid var(--green);
  background: #edfdf8;
  padding: 12px 14px;
  border-radius: 6px;
  color: #164e45;
}

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

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

.billing-waitlist p {
  margin: 4px 0 0;
  color: #164e45;
}

.billing-waitlist .button {
  flex: 0 0 auto;
}

.qr-preview {
  width: 260px;
  max-width: 100%;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 12px;
}

.qr-preview img {
  width: 100%;
  height: 100%;
}

.chart {
  display: flex;
  align-items: end;
  gap: 8px;
  height: 220px;
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 12px 10px 0;
  overflow-x: auto;
}

.bar {
  min-width: 42px;
  background: var(--green);
  border-radius: 5px 5px 0 0;
  color: white;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 6px;
  font-size: 12px;
}

.price {
  display: grid;
  align-content: start;
  gap: 12px;
}

.price strong {
  font-size: 30px;
}

.price ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.empty {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 28px;
  background: white;
  text-align: center;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-panel {
  width: min(960px, 100%);
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 32px;
  align-items: center;
}

.auth-panel form {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 40;
    padding: 16px 24px;
    background: rgba(17, 24, 39, 0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid #334155;
  }

  .app-nav-menu {
    display: none;
  }

  .sidebar.nav-open .app-nav-menu {
    display: grid;
    gap: 16px;
    padding-top: 14px;
  }

  .app-nav-toggle {
    display: inline-flex;
  }

  .grid.two,
  .grid.two.smartqr-editor,
  .grid.three,
  .scan-gate,
  .scan-gate-controls,
  .utm-grid,
  .rule-main,
  .rule-fields,
  .filter-row,
  .auth-panel {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .sidebar {
    padding: 15px 18px;
  }

  .tagline {
    margin: 0;
  }

  .nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .nav button,
  .nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border: 1px solid #334155;
    border-radius: 8px;
    background: #172033;
    text-align: center;
  }

  .account {
    margin-top: 0;
    padding-top: 16px;
  }

  .main {
    padding: 28px 22px;
  }

  .topbar {
    gap: 14px;
    margin-bottom: 20px;
  }

  .topbar .button {
    width: 100%;
  }

  h1 {
    font-size: 30px;
  }

  h2 {
    font-size: 20px;
  }

  .panel,
  .card,
  .rule,
  .utm-builder,
  .scan-gate {
    padding: 16px;
  }

  .rule-heading {
    align-items: flex-start;
  }

  .rule-heading strong {
    padding-top: 6px;
  }

  .rule-tracking {
    align-items: stretch;
    flex-direction: column;
  }

  .rule-tracking .button {
    width: 100%;
  }

  .qr-preview {
    width: min(260px, 100%);
    margin-inline: auto;
  }

  aside.panel .row .button,
  aside.panel .row a.button {
    flex: 1 1 150px;
  }

  .modal-backdrop {
    align-items: start;
    padding: 14px;
    overflow-y: auto;
  }

  .modal {
    padding: 16px;
  }

  .modal-header {
    flex-direction: column;
  }

  .modal-header .button {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .sidebar {
    padding: 14px 16px;
  }

  .main {
    padding: 24px 18px;
  }

  h1 {
    font-size: 28px;
  }

  .panel,
  .card,
  .rule,
  .utm-builder,
  .scan-gate {
    padding: 14px;
  }

  .rule-heading {
    flex-direction: column;
    gap: 8px;
  }

  .rule-heading strong {
    padding-top: 0;
    text-align: left;
  }

  .row > .button,
  .row > a.button {
    flex: 1 1 100%;
  }
}