:root {
  --bg: #f8f6f1;
  --ink: #111111;
  --muted: #6d6a64;
  --line: #e6e0d6;
  --panel: #fffdf8;
  --coral: #ff4b35;
  --coral-dark: #d93422;
  --petrol: #006b67;
  --petrol-soft: #e2f0ee;
  --warning: #b86b00;
  --warning-bg: #fff0d7;
  --danger-bg: #ffe3de;
  --shadow: 0 20px 50px rgba(17, 17, 17, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  background: #fffbf3;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

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

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--bg);
  display: grid;
  place-items: center;
  font-weight: 800;
}

.brand strong,
.brand span {
  display: block;
}

.brand span,
.eyebrow {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

.nav-link {
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: 8px;
  padding: 12px 14px;
  text-align: left;
  font-weight: 700;
}

.nav-link.active,
.nav-link:hover {
  background: var(--ink);
  color: #fff;
}

.daily-limit {
  margin-top: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: var(--panel);
}

.daily-limit span,
label span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 7px;
}

.daily-limit strong {
  display: block;
  font-size: 34px;
  line-height: 1;
}

.daily-limit p,
.quiet-note,
.limit-meter p {
  color: var(--muted);
  line-height: 1.5;
}

.main {
  padding: 32px;
  min-width: 0;
}

.topbar,
.form-heading,
.panel-header,
.form-actions,
.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar {
  margin-bottom: 22px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
}

h2 {
  font-size: 20px;
}

h3 {
  font-size: 16px;
}

.primary-button,
.ghost-button,
.danger-button,
.copy-button {
  min-height: 42px;
  border-radius: 8px;
  padding: 0 16px;
  border: 1px solid transparent;
  font-weight: 800;
}

.primary-button {
  background: var(--coral);
  color: #fff;
}

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

.ghost-button {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.danger-button {
  background: var(--danger-bg);
  color: var(--coral-dark);
}

.copy-button {
  background: var(--petrol);
  color: #fff;
}

.view {
  display: none;
}

.active-view {
  display: block;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metric-card,
.panel,
.table-panel,
.detail-hero {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric-card {
  padding: 18px;
}

.metric-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  font-size: 34px;
  line-height: 1;
}

.content-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.panel {
  padding: 20px;
}

.stack-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.list-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
  display: grid;
  gap: 6px;
}

.list-item button {
  justify-self: start;
  margin-top: 6px;
}

.muted {
  color: var(--muted);
}

.limit-meter {
  display: grid;
  gap: 12px;
  margin: 18px 0;
}

.limit-meter-track {
  height: 12px;
  border-radius: 999px;
  background: #eee8dc;
  overflow: hidden;
}

.limit-meter-fill {
  width: 0%;
  height: 100%;
  background: var(--petrol);
  transition: width 0.2s ease;
}

.alert-area {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.alert {
  border-radius: 8px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--warning-bg);
  color: var(--warning);
  font-weight: 700;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 240px;
  gap: 14px;
  margin-bottom: 16px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 12px 13px;
  outline: none;
}

textarea {
  min-height: 104px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--petrol);
  box-shadow: 0 0 0 3px rgba(0, 107, 103, 0.14);
}

.table-panel {
  overflow: hidden;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
}

th,
td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

tbody tr {
  background: var(--panel);
}

tbody tr:hover {
  background: #fff;
}

.row-button {
  border: 0;
  background: transparent;
  color: var(--petrol);
  font-weight: 800;
  padding: 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--petrol-soft);
  color: var(--petrol);
  font-size: 12px;
  font-weight: 800;
}

.creator-form {
  max-width: 1160px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

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

.form-actions {
  margin-top: 22px;
}

.detail-hero {
  padding: 24px;
  margin-bottom: 18px;
}

.detail-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.detail-title {
  display: grid;
  gap: 10px;
}

.detail-title h2 {
  font-size: 32px;
}

.detail-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.info-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.info-box span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 8px;
}

.workflow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 18px;
}

.message-card {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.message-option {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.message-option p {
  margin-top: 8px;
  line-height: 1.5;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.empty-state {
  display: grid;
  gap: 6px;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.empty-state strong {
  color: var(--ink);
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: var(--ink);
  color: #fff;
  padding: 13px 16px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  z-index: 10;
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

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

  .daily-limit {
    margin-top: 0;
  }

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

  .content-grid,
  .workflow-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .main,
  .sidebar {
    padding: 20px;
  }

  .topbar,
  .form-heading,
  .detail-top,
  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar-actions,
  .detail-actions {
    justify-content: stretch;
  }

  .topbar-actions button,
  .detail-actions button,
  .form-actions button {
    width: 100%;
  }

  .metrics-grid,
  .form-grid,
  .detail-grid,
  .toolbar,
  .nav {
    grid-template-columns: 1fr;
  }
}