:root {
  --ink: #202627;
  --muted: #5f6867;
  --paper: #f6f5f0;
  --white: #ffffff;
  --line: rgba(32, 38, 39, 0.13);
  --rose: #b96c72;
  --rose-dark: #7e3f48;
  --sage: #71815f;
  --danger: #a83636;
  --shadow: 0 14px 38px rgba(32, 38, 39, 0.11);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

.admin-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
  padding: 20px 16px;
  background: var(--ink);
  color: var(--white);
}

.admin-brand {
  display: block;
  padding: 8px 8px 20px;
}

.admin-brand img {
  width: 160px;
  filter: brightness(0) invert(1);
}

.admin-tabs {
  display: grid;
  align-content: start;
  gap: 6px;
  overflow: auto;
}

.tab-button {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: rgba(255, 255, 255, 0.78);
  text-align: left;
}

.tab-button.is-active,
.tab-button:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.sidebar-footer {
  display: grid;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.sidebar-footer a,
.sidebar-footer button {
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: transparent;
  color: rgba(255, 255, 255, 0.82);
  text-align: left;
  text-decoration: none;
}

.workspace {
  min-width: 0;
  padding: 28px;
}

.workspace-header {
  position: sticky;
  top: 14px;
  z-index: 5;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
  margin-bottom: 22px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.workspace-header h1,
.login-card h2,
.section-title h2 {
  margin: 0;
  line-height: 1.1;
}

.workspace-header p,
.login-card p,
.form-note {
  margin: 8px 0 0;
  color: var(--muted);
}

.kicker {
  margin: 0 0 8px;
  color: var(--rose-dark);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.save-cluster {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.save-state {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  color: var(--muted);
  font-size: 0.92rem;
}

.save-state::before {
  content: "";
  width: 9px;
  height: 9px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--sage);
}

.save-state.mode-pending {
  color: var(--rose-dark);
  font-weight: 700;
}

.save-state.mode-pending::before {
  background: var(--rose);
}

.save-state.mode-firebase::before {
  background: var(--sage);
}

.quick-guide {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.quick-guide div {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.quick-guide span {
  display: grid;
  grid-row: span 2;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 700;
}

.quick-guide strong {
  line-height: 1.2;
}

.quick-guide p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.button {
  min-height: 40px;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
}

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

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

.button-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.button-ghost:hover {
  color: var(--danger);
}

.button-danger {
  border-color: rgba(168, 54, 54, 0.25);
  background: #fff5f5;
  color: var(--danger);
}

.button-small {
  min-height: 34px;
  padding: 7px 10px;
  font-size: 0.9rem;
}

.login-panel {
  display: grid;
  place-items: center;
  min-height: 56vh;
}

.login-card {
  display: grid;
  gap: 14px;
  width: min(460px, 100%);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

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

.panel {
  display: none;
}

.panel.is-active {
  display: grid;
  gap: 18px;
}

.section-title {
  display: grid;
  gap: 6px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.section-title p {
  margin: 0;
  color: var(--muted);
}

.help-card {
  padding: 18px;
  border: 1px solid rgba(113, 129, 95, 0.22);
  border-radius: 8px;
  background: color-mix(in srgb, var(--paper) 68%, white);
}

.help-card strong {
  display: block;
  margin-bottom: 10px;
}

.help-card ul {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.help-card li::marker {
  color: var(--sage);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field,
.full-field {
  display: grid;
  gap: 7px;
}

.full-field {
  grid-column: 1 / -1;
}

label span,
.field-name {
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 700;
}

label:focus-within span,
.color-field:focus-within span {
  color: var(--rose-dark);
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid rgba(185, 108, 114, 0.24);
  border-color: var(--rose);
}

input,
select {
  min-height: 42px;
  padding: 9px 11px;
}

textarea {
  min-height: 118px;
  padding: 10px 11px;
  resize: vertical;
}

.editor-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.editor-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.editor-card-header strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.list-editor {
  display: grid;
  gap: 12px;
}

.array-lines {
  display: grid;
  gap: 8px;
}

.line-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.image-control {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.theme-preview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: end;
  min-height: 190px;
  padding: 24px;
  border-radius: var(--preview-radius, 8px);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--preview-accent) 14%, transparent), transparent 48%),
    var(--preview-paper);
  color: var(--preview-ink);
}

.theme-preview span {
  color: var(--preview-accent-deep);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.theme-preview strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
}

.theme-preview p {
  max-width: 520px;
  margin: 12px 0 0;
  color: color-mix(in srgb, var(--preview-ink) 72%, white);
}

.theme-preview .button {
  background: var(--preview-accent);
  color: white;
  border-radius: var(--preview-radius, 8px);
}

.theme-presets {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.theme-preset {
  display: grid;
  grid-template-columns: repeat(3, 22px) minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-height: 46px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  text-align: left;
}

.theme-preset:hover {
  border-color: var(--rose);
}

.preset-swatch {
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

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

.range-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.range-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.range-field span {
  grid-column: 1 / -1;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 700;
}

.range-field input[type="range"] {
  min-height: 32px;
  padding: 0;
}

.range-field output {
  min-width: 58px;
  color: var(--rose-dark);
  font-weight: 700;
  text-align: right;
}

.color-field {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
}

.color-field span {
  grid-column: 1 / -1;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 700;
}

.color-field input[type="color"] {
  height: 42px;
  min-height: 42px;
  padding: 4px;
}

.image-preview {
  width: 112px;
  height: 112px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ecebe6;
  object-fit: cover;
}

.upload-row {
  display: grid;
  gap: 8px;
}

.upload-status {
  color: var(--muted);
  font-size: 0.88rem;
}

.upload-progress {
  --progress: 0%;
  width: 100%;
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--line) 72%, white);
}

.upload-progress span {
  display: block;
  width: var(--progress);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--rose), var(--sage));
  transition: width 260ms ease, background 180ms ease;
}

.upload-progress.is-complete span {
  background: var(--sage);
}

.upload-progress.is-error span {
  background: var(--danger);
}

.mode-local {
  color: var(--rose-dark);
}

.mode-firebase {
  color: var(--sage);
}

@media (max-width: 980px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    gap: 12px;
  }

  .admin-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .tab-button {
    width: auto;
    white-space: nowrap;
  }

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

  .workspace-header {
    position: static;
    grid-template-columns: 1fr;
  }

  .save-cluster {
    justify-content: flex-start;
  }

  .quick-guide {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .workspace {
    padding: 16px;
  }

  .workspace-header,
  .section-title,
  .editor-card,
  .login-card {
    padding: 16px;
  }

  .form-grid,
  .image-control,
  .line-row,
  .theme-preview,
  .color-grid,
  .range-grid {
    grid-template-columns: 1fr;
  }

  .theme-presets {
    grid-template-columns: 1fr;
  }

  .button,
  .save-cluster {
    width: 100%;
  }
}