.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.2;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease,
    box-shadow 0.15s ease;
}

.btn--ghost {
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
}

.btn--ghost:hover {
  background: var(--color-bg-elevated);
  border-color: #9ca8a3;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
  border-color: var(--color-primary-hover);
}

.btn--link {
  color: var(--color-link);
  padding: 0;
  font-weight: 600;
}

.btn--link:hover {
  text-decoration: underline;
}

.btn--sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

@media (max-width: 800px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.progress {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.progress__track {
  display: flex;
  gap: 3px;
  height: 12px;
}

.progress__block {
  flex: 1;
  border-radius: 2px;
  background: #d1d5db;
}

.progress__block.is-filled {
  background: var(--color-text);
}

.progress__value {
  font-size: 1.5rem;
  font-weight: 700;
}

.progress__value--spaced {
  margin-bottom: var(--space-3);
}

.header-user-name {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 500;
}

.anchor-nav__title {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.panel-subtitle {
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
}

.help-text {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.table-empty-cell {
  text-align: left;
  color: var(--color-text-muted);
  padding: 1.35rem 1.1rem;
}

.table-empty-cell--compact {
  text-align: left;
  padding: 1rem;
}

.status-legend__swatch--completed {
  background: var(--status-completed);
}

.status-legend__swatch--in_progress {
  background: var(--status-in-progress);
}

.status-legend__swatch--upcoming {
  background: var(--status-upcoming);
}

.status-legend__swatch--delay {
  background: var(--status-delay);
}

.meta-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.meta-list strong {
  color: var(--color-text);
  font-weight: 600;
}

.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.schedule-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.75rem 0.9rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.schedule-item__date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.schedule-item__title {
  font-weight: 600;
  font-size: 0.92rem;
}

.date-badge {
  display: inline-block;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.timeline-item__body {
  flex: 1;
}

.timeline-item__stage {
  font-weight: 500;
}

.timeline-list--admin {
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
}

.timeline-item--admin {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem 1rem;
  align-items: center;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.timeline-item--admin:nth-child(even) {
  background: var(--table-row-alt);
}

.timeline-item--admin:last-child {
  border-bottom: none;
}

.timeline-item__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: flex-end;
}

@media (max-width: 640px) {
  .timeline-item--admin {
    grid-template-columns: 1fr;
  }

  .timeline-item__actions {
    justify-content: flex-start;
  }
}

.status-tag {
  display: inline-block;
  margin-left: var(--space-2);
  font-size: 0.8rem;
  font-weight: 600;
}

.status-tag--completed {
  color: var(--status-completed);
}

.status-tag--in_progress {
  color: var(--status-in-progress);
}

.status-tag--upcoming {
  color: var(--status-upcoming);
}

.status-tag--delay {
  color: var(--status-delay);
}

.status-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-4);
  margin-top: var(--space-4);
  font-size: 0.84rem;
}

.status-legend__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.status-legend__swatch {
  width: 11px;
  height: 11px;
  border-radius: 2px;
}

.data-table {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.data-table th {
  background: var(--color-bg-elevated);
  font-weight: 700;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.overview-table {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.overview-table th,
.overview-table td {
  border: 1px solid var(--color-border);
  padding: 0.8rem 1rem;
  text-align: left;
}

.overview-table th {
  width: 28%;
  background: var(--color-bg-elevated);
  font-weight: 650;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.anchor-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: var(--space-4);
}

.anchor-nav a {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
}

.anchor-nav a:hover,
.anchor-nav a.is-active {
  color: var(--color-primary);
  font-weight: 600;
  background: var(--color-primary-soft);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: var(--space-4);
}

.form-field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover {
  border-color: var(--color-border-strong);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.step-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: grab;
}

.step-item__handle {
  color: var(--color-text-muted);
  letter-spacing: -1px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 28, 24, 0.42);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}

.modal-backdrop.is-open {
  display: flex;
}

.modal {
  width: min(440px, 100%);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.35rem 1.2rem;
  box-shadow: var(--shadow-md);
  max-height: min(90vh, 900px);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
}

.modal--lg {
  width: min(720px, 100%);
}

.modal--xl {
  width: min(920px, 100%);
  padding: 1.25rem 1.4rem 1.15rem;
}

.modal__title {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.9rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.modal__body {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  padding-right: 0.15rem;
}

.modal__actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.modal__actions .btn {
  min-width: 5.5rem;
}

.modal__actions .btn--primary {
  min-width: 6.5rem;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 0.9rem;
}

.form-grid-2 .form-field,
.form-grid-3 .form-field {
  margin-bottom: 0;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem 0.85rem;
}

@media (max-width: 840px) {
  .form-grid-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .form-grid-2,
  .form-grid-3 {
    grid-template-columns: 1fr;
  }
}

.form-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 1.15rem 0 0.55rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-border);
}

.form-section-head:first-child,
.project-form__lead + .form-section-head {
  margin-top: 0.35rem;
  padding-top: 0;
  border-top: none;
}

.form-section-head .form-section-title {
  margin: 0;
  padding: 0;
  border: none;
}

.form-section-title {
  margin: 1.25rem 0 0.65rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.form-section-title:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.project-form__lead {
  margin: 0 0 0.85rem;
}

.project-form__name {
  margin-bottom: 0.85rem;
}

.project-form__tl-hint {
  margin: 0 0 0.65rem;
}

.doc-draft-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.doc-draft-row {
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
}

.doc-draft-row__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

.doc-draft-mode {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
}

.doc-draft-mode__opt {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.92rem;
  cursor: pointer;
}

.doc-text-preview {
  margin: 0;
  padding: 0.85rem 1rem;
  max-height: 50vh;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1.55;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.maintenance-banner {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, #c45c26 40%, transparent);
  background: color-mix(in srgb, #c45c26 10%, var(--color-bg-elevated));
  color: var(--color-text);
  font-size: 0.92rem;
  line-height: 1.45;
}

.progress-preview {
  display: flex;
  align-items: center;
  min-height: 2.55rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
  font-size: 1rem;
}

.timeline-form-rows {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 0.15rem;
}

.timeline-form-row {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr) 7.5rem auto;
  gap: 0.55rem;
  align-items: end;
  padding: 0.7rem 0.75rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.timeline-form-row__stage {
  min-width: 0;
}

.timeline-form-row__remove {
  margin-bottom: 0.05rem;
  white-space: nowrap;
}

@media (max-width: 720px) {
  .timeline-form-row {
    grid-template-columns: 1fr 1fr;
  }

  .timeline-form-row__stage {
    grid-column: 1 / -1;
  }

  .timeline-form-row__remove {
    justify-self: start;
  }
}

@media (max-width: 480px) {
  .timeline-form-row {
    grid-template-columns: 1fr;
  }
}

.timeline-form-row .form-field {
  margin-bottom: 0;
}