:root {
  --md-background: #f7f9fc;
  --md-surface: #ffffff;
  --md-surface-container: #eef3f7;
  --md-surface-container-high: #e7edf3;
  --md-on-surface: #17212b;
  --md-on-surface-variant: #596773;
  --md-outline: #aab5c0;
  --md-outline-variant: #d8e0e7;
  --md-primary: #006a80;
  --md-on-primary: #ffffff;
  --md-primary-container: #b8ecf8;
  --md-on-primary-container: #003641;
  --md-secondary: #455e70;
  --md-secondary-container: #cce7f7;
  --md-on-secondary-container: #001e2b;
  --md-error: #b3261e;
  --md-error-container: #ffdad6;
  --md-success: #146c43;
  --md-success-container: #b9f3cf;
  --md-warning: #7b5700;
  --md-warning-container: #ffe08d;
  --md-shadow: 0 2px 8px rgba(23, 33, 43, 0.08);
  --md-shadow-raised: 0 7px 20px rgba(23, 33, 43, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --md-background: #101419;
    --md-surface: #191e24;
    --md-surface-container: #20262d;
    --md-surface-container-high: #2a3139;
    --md-on-surface: #e1e7ee;
    --md-on-surface-variant: #bbc6d1;
    --md-outline: #87939e;
    --md-outline-variant: #3e4953;
    --md-primary: #76d6ed;
    --md-on-primary: #003640;
    --md-primary-container: #004e5e;
    --md-on-primary-container: #b8ecf8;
    --md-secondary: #b3ccdd;
    --md-secondary-container: #2c4657;
    --md-on-secondary-container: #cce7f7;
    --md-error: #ffb4ab;
    --md-error-container: #93000a;
    --md-success: #8bdfaa;
    --md-success-container: #00522b;
    --md-warning: #f1c753;
    --md-warning-container: #5d4300;
    --md-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    --md-shadow-raised: 0 8px 24px rgba(0, 0, 0, 0.28);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: var(--md-background);
  color: var(--md-on-surface);
  font-family: Roboto, "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--md-primary) 38%, transparent);
  outline-offset: 2px;
}

.app-shell {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: max(12px, env(safe-area-inset-top)) 16px max(28px, env(safe-area-inset-bottom));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  padding: 15px 16px;
  border-radius: 20px;
  background: var(--md-surface);
  box-shadow: var(--md-shadow);
}

.topbar h1,
.section-heading h2,
.panel-heading h2,
.empty-state h2 {
  margin: 0;
  color: var(--md-on-surface);
  font-size: 21px;
  font-weight: 750;
  letter-spacing: 0;
  line-height: 1.25;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--md-on-surface-variant);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.compact-button:active,
.primary-button:active,
.secondary-button:active,
.danger-button:active,
.tab:active {
  transform: scale(0.96);
}

.tabbar {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding: 5px;
  border-radius: 16px;
  background: var(--md-surface-container);
  scrollbar-width: none;
}

.tabbar::-webkit-scrollbar {
  display: none;
}

.tab {
  flex: 1 0 auto;
  min-height: 38px;
  border: 0;
  border-radius: 12px;
  padding: 0 13px;
  background: transparent;
  color: var(--md-on-surface-variant);
  font-size: 14px;
  font-weight: 650;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.tab.is-active {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  box-shadow: 0 1px 3px rgba(23, 33, 43, 0.1);
}

.content {
  padding-top: 18px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.metric {
  min-height: 108px;
  padding: 17px 16px;
  border: 0;
  border-radius: 18px;
  background: var(--md-surface);
  box-shadow: var(--md-shadow);
}

.metric span,
.row-meta,
.field span,
.section-heading p {
  color: var(--md-on-surface-variant);
  font-size: 13px;
  line-height: 1.35;
}

.metric span {
  font-weight: 650;
}

.metric strong {
  display: block;
  margin-top: 12px;
  color: var(--md-on-surface);
  font-size: 31px;
  font-weight: 760;
  letter-spacing: 0;
  line-height: 1;
}

.workspace {
  display: grid;
  gap: 24px;
}

.section-heading,
.panel-heading,
.row-main,
.row-actions,
.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-heading {
  align-items: flex-end;
  margin: 2px 4px 11px;
}

.section-heading p {
  margin: 4px 0 0;
}

.list {
  display: grid;
  gap: 9px;
  border: 0;
}

.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 72px;
  padding: 13px 15px;
  border: 0;
  border-radius: 16px;
  background: var(--md-surface);
  box-shadow: var(--md-shadow);
}

.row-main {
  min-width: 0;
  align-items: flex-start;
  justify-content: flex-start;
}

.row-title {
  overflow: hidden;
  color: var(--md-on-surface);
  font-size: 15px;
  font-weight: 720;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-meta {
  margin-top: 5px;
}

.row-actions {
  flex: 0 0 auto;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.status {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 0 10px;
  background: var(--md-surface-container-high);
  color: var(--md-on-surface-variant);
  font-size: 12px;
  font-weight: 740;
  white-space: nowrap;
}

.status.ready,
.status.active,
.status.open,
.status.verified,
.status.sent {
  background: var(--md-success-container);
  color: var(--md-success);
}

.status.failed,
.status.error {
  background: var(--md-error-container);
  color: var(--md-error);
}

.status.draft,
.status.paused,
.status.warning,
.status.drawing {
  background: var(--md-warning-container);
  color: var(--md-warning);
}

.primary-button,
.secondary-button,
.danger-button,
.compact-button {
  min-height: 42px;
  border: 0;
  border-radius: 14px;
  padding: 0 17px;
  font-size: 14px;
  font-weight: 740;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.primary-button {
  background: var(--md-primary);
  color: var(--md-on-primary);
  box-shadow: 0 2px 5px rgba(0, 106, 128, 0.25);
}

.primary-button:hover {
  box-shadow: 0 4px 10px rgba(0, 106, 128, 0.28);
}

.secondary-button,
.compact-button {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.compact-button {
  min-height: 32px;
  border-radius: 11px;
  padding: 0 11px;
  font-size: 12px;
}

.danger-button {
  background: var(--md-error-container);
  color: var(--md-error);
}

.panel,
.quick-publish {
  border: 0;
  border-radius: 20px;
  padding: 18px;
  background: var(--md-surface);
  box-shadow: var(--md-shadow-raised);
}

.panel-heading {
  align-items: flex-start;
  margin-bottom: 16px;
}

.panel-heading p {
  margin: 5px 0 0;
  color: var(--md-on-surface-variant);
  font-size: 13px;
  line-height: 1.4;
}

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

.field {
  display: grid;
  gap: 7px;
}

.field span {
  margin-left: 3px;
  font-weight: 680;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--md-outline);
  border-radius: 13px;
  padding: 11px 12px;
  outline: none;
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  transition: border 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.field textarea {
  min-height: 172px;
  line-height: 1.5;
  resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--md-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--md-primary) 17%, transparent);
  background: var(--md-surface);
}

.rich-editor-field,
.template-preview {
  overflow: hidden;
  border: 1px solid var(--md-outline-variant);
  border-radius: 16px;
  background: var(--md-surface-container);
}

.editor-label,
.preview-heading,
.editor-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.editor-label {
  min-height: 45px;
  padding: 0 13px;
  border-bottom: 1px solid var(--md-outline-variant);
  color: var(--md-on-surface);
  font-size: 13px;
  font-weight: 700;
}

.editor-count,
.editor-footer,
.preview-heading span:last-child {
  color: var(--md-on-surface-variant);
  font-size: 12px;
  font-weight: 650;
}

.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 9px 11px;
  border-bottom: 1px solid var(--md-outline-variant);
  background: var(--md-surface);
}

.editor-tool {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 0;
  border-radius: 10px;
  background: var(--md-surface-container-high);
  color: var(--md-on-surface);
  font-size: 14px;
  font-weight: 750;
  line-height: 1;
}

.editor-tool:active {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.editor-surface {
  min-height: 214px;
  padding: 15px;
  outline: none;
  background: var(--md-surface);
  color: var(--md-on-surface);
  font-size: 16px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

.editor-surface:empty::before {
  color: var(--md-on-surface-variant);
  content: attr(data-placeholder);
  pointer-events: none;
}

.editor-surface:focus {
  box-shadow: inset 0 0 0 2px var(--md-primary);
}

.editor-surface blockquote,
.preview-body blockquote {
  margin: 10px 0;
  padding: 4px 0 4px 12px;
  border-left: 3px solid var(--md-primary);
  color: var(--md-on-surface-variant);
}

.editor-surface pre,
.preview-body pre {
  overflow-x: auto;
  margin: 10px 0;
  border-radius: 10px;
  padding: 10px;
  background: var(--md-surface-container-high);
  color: var(--md-on-surface);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
}

.editor-surface a,
.preview-body a {
  color: var(--md-primary);
}

.editor-footer {
  min-height: 39px;
  padding: 0 13px;
}

.template-preview {
  background: var(--md-surface);
}

.preview-heading {
  min-height: 43px;
  padding: 0 13px;
  border-bottom: 1px solid var(--md-outline-variant);
  color: var(--md-on-surface);
  font-size: 13px;
  font-weight: 720;
}

.preview-body {
  min-height: 92px;
  padding: 14px;
  color: var(--md-on-surface);
  font-size: 15px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.preview-placeholder {
  color: var(--md-on-surface-variant);
}

.form-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-top: 3px;
}

.quick-publish {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  align-items: end;
  gap: 12px;
  margin-bottom: 24px;
}

.quick-publish-title {
  grid-column: 1 / -1;
  color: var(--md-on-surface);
  font-size: 17px;
  font-weight: 750;
}

.quick-publish .field {
  min-width: 0;
}

.quick-publish .primary-button {
  min-width: 116px;
}

.empty-state {
  padding: 48px 20px;
  border-radius: 20px;
  background: var(--md-surface);
  color: var(--md-on-surface-variant);
  text-align: center;
  box-shadow: var(--md-shadow);
}

.empty-state p {
  margin: 9px 0 0;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 5;
  max-width: min(360px, calc(100vw - 32px));
  border-radius: 14px;
  padding: 12px 15px;
  background: var(--md-on-surface);
  color: var(--md-surface);
  box-shadow: var(--md-shadow-raised);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 520px) {
  .app-shell {
    padding-inline: 12px;
  }

  .topbar {
    padding: 14px;
  }

  .metrics {
    gap: 10px;
  }

  .metric {
    min-height: 98px;
    padding: 15px;
  }

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

  .quick-publish .primary-button {
    width: 100%;
  }

  .list-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .row-actions {
    width: 100%;
    justify-content: flex-start;
  }
}