:root {
  color-scheme: dark;
  --bg: #0a0d12;
  --bg-soft: #11161d;
  --panel: rgba(18, 22, 28, 0.86);
  --panel-solid: #151a22;
  --panel-raised: rgba(23, 28, 36, 0.92);
  --text: #f4f7fb;
  --muted: #9aa6b5;
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(255, 255, 255, 0.18);
  --primary: #00d1b2;
  --primary-strong: #00b89d;
  --purple: #7c5cff;
  --danger: #f87171;
  --ok: #4ade80;
  --warning: #fbbf24;
  --shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100vh;
}

body {
  margin: 0;
  background:
    radial-gradient(ellipse at 14% 8%, rgba(124, 92, 255, 0.15), transparent 42%),
    radial-gradient(ellipse at 88% 10%, rgba(0, 209, 178, 0.11), transparent 36%),
    linear-gradient(180deg, #0d1118 0%, var(--bg) 48%, #07090d 100%);
  background-attachment: fixed;
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: #9ee9de;
}

a:hover,
a:focus-visible {
  color: #ffffff;
}

.topbar {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 32px;
  background: rgba(10, 14, 20, 0.92);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 850;
  text-decoration: none;
  white-space: nowrap;
}

.brand::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  box-shadow: 0 0 18px rgba(0, 209, 178, 0.42);
}

.topbar nav {
  display: flex;
  gap: 6px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.topbar nav a {
  color: #dbe4ef;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 7px 9px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 650;
}

.topbar nav a:hover,
.topbar nav a:focus-visible {
  color: #fff;
  border-color: rgba(0, 209, 178, 0.28);
  background: rgba(255, 255, 255, 0.065);
}

.shell,
.app-footer {
  width: min(100% - 48px, 1680px);
  margin: 0 auto;
}

.shell {
  padding: 34px 0;
}

.app-footer {
  padding: 0 0 32px;
  color: var(--muted);
  font-size: 12px;
}

.auth-page .topbar {
  justify-content: flex-start;
}

.auth-page .shell,
.auth-page .app-footer {
  width: min(100% - 48px, 520px);
}

.auth-page .shell {
  min-height: calc(100vh - 170px);
  display: grid;
  align-content: start;
  padding: clamp(42px, 8vh, 78px) 0 28px;
}

.auth-page h1 {
  margin-bottom: 22px;
}

.auth-page .form-narrow {
  max-width: none;
}

.auth-page .panel {
  margin: 0;
  padding: 26px 24px;
}

.auth-page .panel label {
  gap: 8px;
}

.auth-page .panel input {
  min-height: 44px;
}

.auth-page .app-footer {
  padding-bottom: 34px;
}

h1 {
  margin: 0 0 24px;
  color: #fff;
  font-size: 32px;
  line-height: 1.1;
}

h2 {
  margin: 0 0 14px;
  color: #f8fafc;
  font-size: 20px;
}

.panel,
.metric,
.media-card,
.brand-tile,
.template-card,
.step-card,
.block-inspector,
.block-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel {
  padding: 24px;
  margin-bottom: 22px;
}

.panel.split,
.title-row,
.split {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.form-narrow {
  max-width: 520px;
}

.grid-two {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.75fr);
  gap: 24px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.metric {
  position: relative;
  min-height: 104px;
  padding: 18px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(0, 0, 0, 0.17));
}

.metric::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--purple));
  opacity: 0.88;
}

.metric span {
  display: block;
  color: #cbd5e1;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: 8px;
  color: #fff;
  font-size: 30px;
  line-height: 1;
}

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

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.inline-form {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin: 0 0 14px;
}

label {
  display: grid;
  gap: 6px;
  color: #e5ecf8;
  font-weight: 650;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(160, 174, 192, 0.32);
  border-radius: 8px;
  padding: 10px 12px;
  background: rgba(8, 12, 18, 0.72);
  color: var(--text);
  font: inherit;
  outline: none;
}

textarea {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(0, 209, 178, 0.78);
  box-shadow: 0 0 0 3px rgba(0, 209, 178, 0.13);
}

input::placeholder,
textarea::placeholder {
  color: #718096;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  color: #e5e7eb;
  padding: 9px 13px;
  text-decoration: none;
  font-weight: 750;
  cursor: pointer;
}

.button:hover,
button:hover,
.button:focus-visible,
button:focus-visible {
  border-color: rgba(0, 209, 178, 0.42);
  background: rgba(0, 209, 178, 0.12);
  color: #fff;
}

.button.primary,
button.primary {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #06100e;
  box-shadow: 0 12px 28px rgba(0, 209, 178, 0.2);
}

.button.primary:hover,
button.primary:hover {
  color: #06100e;
  filter: brightness(1.06);
}

.button.subtle,
button.subtle {
  color: #fecaca;
}

.flash {
  border: 1px solid rgba(74, 222, 128, 0.28);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 0 0 18px;
  background: rgba(22, 163, 74, 0.12);
  color: #bbf7d0;
}

.flash.danger {
  border-color: rgba(248, 113, 113, 0.32);
  background: rgba(239, 68, 68, 0.12);
  color: #fecaca;
}

.badge {
  display: inline-flex;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(124, 92, 255, 0.15);
  color: #ddd6fe;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 850;
}

.badge.ok {
  border-color: rgba(74, 222, 128, 0.32);
  background: rgba(22, 163, 74, 0.14);
  color: #bbf7d0;
}

.badge.warn {
  border-color: rgba(251, 191, 36, 0.32);
  background: rgba(245, 158, 11, 0.14);
  color: #fde68a;
}

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

th,
td {
  padding: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.085);
  text-align: left;
  vertical-align: top;
}

th {
  color: #dbeafe;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

td {
  color: #e5e7eb;
}

td small,
.muted {
  color: var(--muted);
}

td small {
  display: block;
}

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

.list-row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.085);
  color: inherit;
  text-decoration: none;
}

.list-row:hover {
  color: #fff;
}

.list-row span {
  color: var(--muted);
}

.media-grid,
.brand-list,
.template-grid,
.next-steps {
  display: grid;
  gap: 16px;
}

.media-grid {
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
}

.media-card,
.brand-tile,
.template-card,
.step-card {
  padding: 14px;
}

.media-card {
  display: grid;
  gap: 9px;
}

.media-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  background: #0f172a;
}

.media-card code {
  color: #cbd5e1;
  font-size: 11px;
  overflow-wrap: anywhere;
}

.brand-list {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.brand-tile {
  display: grid;
  gap: 4px;
}

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

.check input {
  width: auto;
}

.health-ok {
  color: var(--ok);
  font-weight: 800;
}

.health-warn {
  color: var(--warning);
  font-weight: 800;
}

.builder-grid {
  display: grid;
  grid-template-columns: minmax(340px, 500px) minmax(720px, 1fr);
  gap: 28px;
  align-items: start;
}

.builder-sidebar,
.block-list {
  display: grid;
  gap: 10px;
}

.builder-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.block-row {
  display: grid;
  gap: 3px;
  text-align: left;
  padding: 10px;
  box-shadow: none;
}

.block-row:hover,
.template-card:hover,
.step-card:hover {
  border-color: rgba(0, 209, 178, 0.36);
  background: rgba(0, 209, 178, 0.09);
}

.block-row.active {
  border-color: var(--primary);
  background: rgba(0, 209, 178, 0.12);
  box-shadow: 0 0 0 1px rgba(0, 209, 178, 0.22);
}

.block-row span,
.template-card span,
.step-card span {
  color: var(--muted);
  font-size: 12px;
}

.block-row span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.block-inspector {
  display: grid;
  gap: 10px;
  padding: 14px;
  background: rgba(8, 12, 18, 0.38);
  box-shadow: none;
}

.block-inspector h3 {
  margin: 0;
}

.mail-preview {
  width: 100%;
  height: 760px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.template-grid {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.template-card,
.step-card {
  display: grid;
  gap: 4px;
  color: inherit;
  text-align: left;
  text-decoration: none;
}

.settings-link-grid {
  display: grid;
  grid-template-columns: minmax(140px, 0.45fr) minmax(240px, 1fr);
  gap: 10px;
}

.campaign-step-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.campaign-step-tab {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 2px 10px;
  justify-content: start;
  min-height: 66px;
  border-color: var(--line);
  background: rgba(0, 0, 0, 0.14);
  text-align: left;
}

.campaign-step-tab span {
  grid-row: 1 / span 2;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.075);
  color: #b7f2e9;
  font-weight: 850;
}

.campaign-step-tab strong,
.campaign-step-tab small {
  display: block;
  min-width: 0;
}

.campaign-step-tab strong {
  color: #f8fafc;
  line-height: 1.15;
}

.campaign-step-tab small {
  color: var(--muted);
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.campaign-step-tab.is-active {
  border-color: rgba(0, 209, 178, 0.54);
  background: linear-gradient(135deg, rgba(0, 209, 178, 0.16), rgba(124, 92, 255, 0.1));
}

.campaign-step-panel {
  display: none;
  gap: 14px;
}

.campaign-step-panel.is-active {
  display: grid;
}

.campaign-step-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.campaign-review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.campaign-review-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.14);
  padding: 14px;
}

.campaign-review-card strong,
.campaign-review-card small {
  display: block;
}

.campaign-review-card strong {
  color: #f8fafc;
}

.campaign-review-card small {
  color: var(--muted);
  margin-top: 3px;
}

.next-steps {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.dns-results {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.dns-results p {
  margin: 0;
}

.dns-results pre {
  max-height: 260px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #07090d;
  color: #e5e7eb;
  padding: 12px;
  font-size: 12px;
}

.media-frame {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  overflow: hidden;
}

.media-frame-tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.14);
}

.media-frame-tab {
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  padding: 13px 16px;
  font-weight: 800;
}

.media-frame-tab.is-active {
  background: rgba(0, 209, 178, 0.16);
  color: #f8fafc;
}

.media-frame-body {
  padding: 16px;
}

.media-hero-panel {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(360px, 1.1fr);
  gap: 16px;
  align-items: stretch;
}

.media-dropzone {
  min-height: 220px;
  display: grid;
  place-items: center;
  border: 1px dashed rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.16);
  padding: 20px;
  text-align: center;
  cursor: pointer;
}

.media-dropzone:hover,
.media-dropzone.is-dragover {
  border-color: var(--primary);
  background: rgba(0, 209, 178, 0.12);
}

.media-dropzone input {
  display: none;
}

.media-dropzone strong,
.media-dropzone small {
  display: block;
}

.media-dropzone strong {
  color: #f8fafc;
  font-size: 18px;
}

.media-dropzone small {
  margin-top: 6px;
  color: var(--muted);
}

.media-upload-queue {
  display: grid;
  gap: 6px;
  margin-top: 14px;
  text-align: left;
}

.media-upload-queue span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.16);
  padding: 6px 8px;
  color: #b7f2e9;
  font-size: 13px;
}

.media-upload-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.media-upload-meta {
  margin-top: 16px;
}

.media-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.media-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 360px);
  gap: 16px;
  align-items: start;
}

.media-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(130px, 170px) minmax(160px, 210px) auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 16px;
}

.media-library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

.media-library-tile {
  position: relative;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.14);
  padding: 7px;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.media-library-tile:hover,
.media-library-tile.is-selected {
  border-color: var(--primary);
  background: rgba(0, 209, 178, 0.12);
  box-shadow: 0 0 0 1px rgba(0, 209, 178, 0.24);
}

.media-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 6px;
  background: #111827;
  display: block;
}

.media-tile-name {
  display: block;
  margin-top: 8px;
  color: #f8fafc;
  font-size: 13px;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.media-tile-meta {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.media-detail-panel {
  position: sticky;
  top: 84px;
}

.media-detail-preview {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.18);
  margin-bottom: 14px;
}

.media-detail-empty {
  min-height: 240px;
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
}

.media-detail-list {
  display: grid;
  gap: 7px;
  margin: 12px 0;
}

.media-detail-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 7px;
  font-size: 13px;
}

.media-detail-row span:first-child {
  color: var(--muted);
}

.media-url-field {
  font-size: 12px;
}

.media-empty-state {
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  padding: 32px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1180px) {
  .metric-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .builder-grid {
    grid-template-columns: 1fr;
  }

  .mail-preview {
    height: 620px;
  }

  .media-workspace,
  .media-hero-panel {
    grid-template-columns: 1fr;
  }

  .media-detail-panel {
    position: static;
  }
}

@media (max-width: 800px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px;
  }

  .topbar nav {
    justify-content: flex-start;
  }

  .shell,
  .app-footer {
    width: min(100% - 32px, 1680px);
  }

  .shell {
    padding: 22px 0;
  }

  .auth-page .shell,
  .auth-page .app-footer {
    width: min(100% - 32px, 520px);
  }

  .auth-page .shell {
    min-height: calc(100vh - 160px);
    padding: 30px 0 22px;
  }

  .grid-two,
  .field-row,
  .metric-grid,
  .campaign-step-tabs,
  .campaign-review-grid,
  .media-summary-grid,
  .media-toolbar,
  .settings-link-grid {
    grid-template-columns: 1fr;
  }

  .title-row,
  .split,
  .panel.split,
  .inline-form,
  .actions {
    display: grid;
  }
}