:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --panel: #ffffff;
  --panel-soft: #eef3ef;
  --surface: #ffffff;
  --surface-subtle: #fbfcfb;
  --surface-control: #ffffff;
  --sidebar-bg: #18201d;
  --sidebar-text: #eaf2ee;
  --sidebar-muted: #c5d1ca;
  --sidebar-active: rgba(255, 255, 255, 0.12);
  --text: #18201d;
  --muted: #66736d;
  --line: #d8dfda;
  --accent: #235d4b;
  --accent-strong: #174334;
  --accent-soft: #dcebe4;
  --chip-text: #1d4b3d;
  --chip-line: #c7d8d0;
  --scheduled-bg: #fbfcfb;
  --scheduled-line: #b9cbbb;
  --warn: #8f3f2d;
  --danger-bg: #fff3ef;
  --danger-line: #e5c2b7;
  --field-label: #33413b;
  --inverse-text: #f7fbf8;
  --icon-bg: #dcebe4;
  --focus-overlay: rgba(255, 255, 255, 0.25);
  --backdrop: rgba(8, 16, 12, 0.45);
  --subtle-shadow: 0 1px 0 rgba(20, 33, 28, 0.03);
  --shadow: 0 18px 45px rgba(25, 38, 32, 0.12);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111713;
  --panel: #1a231f;
  --panel-soft: #223129;
  --surface: #1a231f;
  --surface-subtle: #141d18;
  --surface-control: #121a16;
  --sidebar-bg: #0b100d;
  --sidebar-text: #eaf2ee;
  --sidebar-muted: #c5d1ca;
  --sidebar-active: rgba(255, 255, 255, 0.12);
  --text: #ecf3ef;
  --muted: #a6b8ae;
  --line: #34443c;
  --accent: #8fc9ae;
  --accent-strong: #b7dfca;
  --accent-soft: #263f34;
  --chip-text: #d6efe2;
  --chip-line: #406154;
  --scheduled-bg: #17221d;
  --scheduled-line: #557765;
  --warn: #f0a18b;
  --danger-bg: #2a1a16;
  --danger-line: #6f4b42;
  --field-label: #d6efe2;
  --inverse-text: #f7fbf8;
  --icon-bg: #dcebe4;
  --focus-overlay: rgba(255, 255, 255, 0.25);
  --backdrop: rgba(8, 16, 12, 0.45);
  --subtle-shadow: 0 1px 0 rgba(0, 0, 0, 0.16);
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Segoe UI, Arial, sans-serif;
  font-size: 15px;
}

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

button {
  cursor: pointer;
}

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

.sidebar {
  background: var(--sidebar-bg);
  color: var(--inverse-text);
  padding: 28px 20px;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 34px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border: 1px solid var(--focus-overlay);
  background: var(--icon-bg);
  border-radius: 8px;
}

.brand h1,
.brand p,
.topbar h2,
.topbar p,
.panel h3,
.dialog-header h3 {
  margin: 0;
}

.brand h1 {
  font-size: 18px;
}

.brand p,
.eyebrow,
.muted {
  color: var(--muted);
}

.sidebar .brand p {
  color: var(--sidebar-muted);
  font-size: 13px;
}

.owner-display {
  margin-top: 5px;
  display: block;
  border: 0;
  background: transparent;
  color: var(--sidebar-muted);
  padding: 0;
  text-align: left;
  font-size: 13px;
  min-height: 0;
  text-decoration: underline;
  text-decoration-color: transparent;
}

.owner-display:hover {
  text-decoration-color: currentColor;
}

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

.nav-item {
  width: 100%;
  border: 0;
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--sidebar-text);
  background: transparent;
  text-align: left;
}

.nav-item:hover,
.nav-item.active {
  background: var(--sidebar-active);
}

.workspace {
  padding: 28px;
  overflow: auto;
}

.topbar,
.panel-header,
.dialog-header,
.button-row,
.toolbar,
.inline-form {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar {
  justify-content: space-between;
  margin-bottom: 24px;
}

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.top-actions {
  display: flex;
  gap: 10px;
}

.view {
  display: none;
}

.active-view {
  display: block;
}

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

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

.metric-card {
  padding: 18px;
}

.metric-card strong {
  display: block;
  font-size: 28px;
  margin-top: 8px;
}

.metric-card span,
.item-meta,
.field-note {
  color: var(--muted);
  font-size: 13px;
}

.two-column,
.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
}

.panel {
  padding: 18px;
}

.panel-header {
  justify-content: space-between;
  margin-bottom: 14px;
}

.stack-list,
.activity-list {
  display: grid;
  gap: 12px;
}

.item-row,
.attachment-row {
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-subtle);
}

.item-row-header,
.card-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.activity-card {
  padding: 16px;
}

.activity-card h3,
.item-row h4 {
  margin: 0;
  font-size: 17px;
}

.activity-card p,
.item-row p {
  margin: 0;
}

.toolbar {
  align-items: stretch;
  margin-bottom: 16px;
}

.filter-grid {
  display: grid;
  grid-template-columns: minmax(180px, 1.4fr) repeat(6, minmax(120px, 1fr)) auto;
}

.toolbar input {
  flex: 1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 11px;
  background: var(--surface-control);
  color: var(--text);
}

textarea {
  resize: vertical;
}

label {
  display: grid;
  gap: 6px;
  color: var(--field-label);
  font-weight: 650;
}

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

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.custom-field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.custom-values {
  display: grid;
  gap: 4px;
}

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

.checkbox-row input {
  width: auto;
}

fieldset {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

legend {
  padding: 0 5px;
  color: var(--field-label);
  font-weight: 650;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
}

.check-list label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.check-list input {
  width: auto;
}

.primary-button,
.secondary-button,
.danger-button,
.text-button,
.icon-button,
.file-button {
  border-radius: 8px;
  border: 1px solid transparent;
  min-height: 40px;
  padding: 9px 13px;
}

.primary-button {
  background: var(--accent);
  color: var(--surface);
}

.primary-button:hover {
  background: var(--accent-strong);
}

.secondary-button,
.file-button {
  background: var(--surface-control);
  border-color: var(--line);
  color: var(--text);
}

.danger-button {
  background: var(--danger-bg);
  border-color: var(--danger-line);
  color: var(--warn);
}

.text-button {
  background: transparent;
  color: var(--accent);
  padding-inline: 4px;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 40px;
  padding: 0;
  border-color: var(--line);
  background: var(--surface-control);
  color: var(--text);
  font-size: 20px;
}

.button-row {
  flex-wrap: wrap;
}

.file-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  overflow: hidden;
}

.file-button input {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.chip-list,
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--chip-line);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--chip-text);
  padding: 5px 9px;
  font-size: 13px;
}

.chip button {
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
}

.scheduled-card {
  border-color: var(--scheduled-line);
  background: var(--scheduled-bg);
}

.spacing-top {
  margin-top: 18px;
}

.summary-line {
  margin: 10px 0 14px;
  color: var(--muted);
}

.inner-panel {
  box-shadow: none;
}

.manual-panel {
  margin-bottom: 18px;
}

.manual-panel p {
  margin: 8px 0 0;
}

.manual-list {
  margin: 10px 0 0;
  padding-left: 22px;
}

.manual-list li {
  margin: 7px 0;
}

details {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}

details:first-of-type {
  border-top: 0;
}

summary {
  cursor: pointer;
  font-weight: 700;
}

dialog {
  width: min(920px, calc(100vw - 28px));
  border: 0;
  border-radius: 8px;
  padding: 0;
  box-shadow: var(--shadow);
}

dialog::backdrop {
  background: var(--backdrop);
}

.dialog-form {
  max-height: 92vh;
  overflow: auto;
  padding: 22px;
}

.dialog-header {
  justify-content: space-between;
}

.empty-state {
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

.compact {
  gap: 6px;
}

.attachment-row {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 10px;
}

a {
  color: var(--accent);
}

@media (max-width: 920px) {
  .app-shell,
  .two-column,
  .split-layout,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    padding: 18px;
  }

  .nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .nav-item {
    text-align: center;
    padding: 10px 6px;
  }

  .workspace {
    padding: 18px;
  }
}

@media (max-width: 640px) {
  .topbar,
  .toolbar,
  .form-grid,
  .custom-field-grid,
  .filter-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

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