:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-soft: #eef2f7;
  --ink: #252821;
  --muted: #5d6470;
  --line: #d9dee8;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --danger: #be123c;
  --danger-soft: #ffe4e6;
  --done: #15803d;
  --done-soft: #dcfce7;
  --wait: #7c3aed;
  --wait-soft: #ede9fe;
  --new: #0369a1;
  --new-soft: #e0f2fe;
  --review: #c2410c;
  --review-soft: #ffedd5;
  --shadow: 0 18px 45px rgba(30, 41, 59, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.hidden {
  display: none !important;
}

.login-screen {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 20px;
  background: linear-gradient(135deg, #eff6ff, #f5f3ff);
}

.login-card {
  width: min(420px, 100%);
  display: grid;
  gap: 16px;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.login-card h1,
.login-card p {
  margin: 0;
}

.login-card p {
  color: var(--muted);
}

.sync-pill {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 800;
  white-space: nowrap;
}

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

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 286px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 26px 20px;
  background: #eef2ff;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.brand h1,
.topbar h2,
.section-heading h3,
.panel-heading h4 {
  margin: 0;
  letter-spacing: 0;
}

.brand h1 {
  font-size: 1.25rem;
  line-height: 1.2;
}

.eyebrow {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 0 4px;
  text-transform: uppercase;
}

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

.nav-item,
.ghost-button,
.primary-button,
.filter-chip,
.copy-button,
.segmented-control button,
.option-chip button {
  border: 1px solid transparent;
  border-radius: 8px;
  min-height: 42px;
}

.nav-item {
  width: 100%;
  text-align: left;
  padding: 11px 13px;
  background: transparent;
  color: var(--ink);
  font-weight: 700;
}

.nav-item:hover,
.nav-item.active {
  background: #ffffff;
  border-color: #bfdbfe;
  box-shadow: inset 4px 0 0 var(--accent);
}

.sidebar-note {
  margin-top: auto;
  border: 1px solid var(--line);
  background: rgba(255, 253, 250, 0.7);
  border-radius: 8px;
  padding: 14px;
  display: grid;
  gap: 4px;
  color: var(--muted);
}

.sidebar-note strong {
  color: var(--ink);
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
}

.topbar h2 {
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  line-height: 1.1;
}

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

.ghost-button,
.copy-button {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
  padding: 9px 13px;
  font-weight: 700;
}

.primary-button {
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: white;
  padding: 10px 16px;
  font-weight: 800;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-heading h3 {
  font-size: 1.45rem;
}

.section-heading p {
  margin: 4px 0 0;
  color: var(--muted);
}

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

.metric-card,
.panel,
.participant-card,
.invoice-card,
.template-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric-card {
  padding: 18px;
  min-height: 118px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.metric-card span {
  color: var(--muted);
  font-weight: 800;
}

.metric-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 8px;
  background: var(--accent);
}

.metric-card.urgent::before,
.metric-card.overdue::before {
  background: var(--danger);
}

.metric-card.waiting::before {
  background: var(--wait);
}

.metric-card.done::before {
  background: var(--done);
}

.metric-card.urgent {
  background: linear-gradient(135deg, #fff1f2, #ffffff 72%);
}

.metric-card.overdue {
  background: linear-gradient(135deg, #ffe4e6, #ffffff 72%);
}

.metric-card.waiting {
  background: linear-gradient(135deg, #ede9fe, #ffffff 72%);
}

.metric-card.done {
  background: linear-gradient(135deg, #dcfce7, #ffffff 72%);
}

.metric-card strong {
  font-size: 2.2rem;
  line-height: 1;
}

.two-column,
.three-column {
  display: grid;
  gap: 16px;
  margin-bottom: 16px;
}

.two-column {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
}

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

.panel {
  padding: 18px;
}

.panel-heading {
  margin-bottom: 14px;
}

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

.list-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
  padding: 13px;
  box-shadow: inset 6px 0 0 var(--accent-soft);
}

.list-item.priority-high {
  background: #fff1f2;
  border-color: #fecdd3;
  box-shadow: inset 6px 0 0 var(--danger);
}

.list-item.priority-medium {
  background: #fffbeb;
  border-color: #fde68a;
  box-shadow: inset 6px 0 0 #f59e0b;
}

.list-item.priority-low {
  background: #f0fdf4;
  border-color: #bbf7d0;
  box-shadow: inset 6px 0 0 var(--done);
}

.list-item-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
  margin-bottom: 8px;
}

.list-item-title strong {
  font-size: 1rem;
}

.meta-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.92rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 4px 10px;
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 800;
  white-space: nowrap;
}

.badge.high,
.badge.overdue {
  background: var(--danger-soft);
  color: var(--danger);
}

.badge.medium,
.badge.due-soon {
  background: var(--warn-soft);
  color: var(--warn);
}

.badge.low,
.badge.done {
  background: var(--done-soft);
  color: var(--done);
}

.badge.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.badge.new {
  background: var(--new-soft);
  color: var(--new);
}

.badge.review {
  background: var(--review-soft);
  color: var(--review);
}

.badge.waiting {
  background: var(--wait-soft);
  color: var(--wait);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.participant-card,
.invoice-card,
.template-card {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.participant-card {
  position: relative;
  overflow: hidden;
}

.participant-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 7px;
  background: var(--accent);
}

.participant-card.priority-overdue {
  background: linear-gradient(180deg, #fff1f2, #ffffff 36%);
  border-color: #fecdd3;
}

.participant-card.priority-overdue::before {
  background: var(--danger);
}

.participant-card.priority-waiting {
  background: linear-gradient(180deg, #f5f3ff, #ffffff 36%);
  border-color: #ddd6fe;
}

.participant-card.priority-waiting::before {
  background: var(--wait);
}

.participant-card.priority-medium {
  background: linear-gradient(180deg, #fffbeb, #ffffff 36%);
  border-color: #fde68a;
}

.participant-card.priority-medium::before {
  background: #f59e0b;
}

.participant-card.priority-calm {
  background: linear-gradient(180deg, #eff6ff, #ffffff 36%);
  border-color: #bfdbfe;
}

.card-title-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
}

.card-title-row h4 {
  margin: 0;
  font-size: 1.1rem;
}

.detail-grid {
  display: grid;
  gap: 9px;
}

.detail {
  display: grid;
  gap: 2px;
}

.detail span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.detail strong,
.detail p {
  margin: 0;
}

.form-panel {
  margin-bottom: 16px;
}

.participant-form,
.participant-edit-form {
  display: grid;
  gap: 12px;
}

.participant-form {
  grid-template-columns: 1fr 0.9fr 1.4fr 0.8fr 0.8fr 0.65fr;
  align-items: end;
}

.participant-edit-form {
  grid-template-columns: 1fr;
}

.two-field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.wide-field {
  grid-column: 1 / -2;
}

.save-card-button {
  justify-self: start;
}

.import-panel {
  margin-bottom: 18px;
  display: grid;
  gap: 14px;
}

.import-panel summary {
  cursor: pointer;
  font-weight: 800;
}

.import-body {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.import-panel h4,
.import-panel p {
  margin: 0;
}

.import-panel p {
  color: var(--muted);
  margin-top: 4px;
}

.helper-list {
  border: 1px solid var(--line);
  background: #fbfaf6;
  border-radius: 8px;
  padding: 13px;
  display: grid;
  gap: 4px;
  color: var(--muted);
}

.helper-list strong {
  color: var(--ink);
}

.import-actions {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  gap: 12px;
  align-items: end;
}

.status-message {
  min-height: 24px;
  color: var(--muted);
  font-weight: 700;
}

.status-message.success {
  color: var(--done);
}

.status-message.warning {
  color: var(--warn);
}

.task-form {
  display: grid;
  grid-template-columns: 2fr 1.1fr 1fr 0.8fr 1fr auto;
  gap: 12px;
  align-items: end;
}

.document-form {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr 1fr 0.85fr 0.8fr auto;
  gap: 12px;
  align-items: end;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--ink);
  padding: 9px 10px;
}

td input,
td select {
  min-width: 150px;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible {
  outline: 3px solid rgba(61, 111, 104, 0.22);
  outline-offset: 2px;
}

.toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.filter-chip {
  padding: 8px 13px;
  background: var(--surface);
  border-color: var(--line);
  color: var(--muted);
  font-weight: 800;
}

.filter-chip.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(61, 111, 104, 0.35);
}

.table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 740px;
}

th,
td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

.segmented-control {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(82px, 1fr));
  gap: 4px;
  padding: 4px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.segmented-control button {
  min-height: 34px;
  padding: 6px 10px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
}

.segmented-control button.active {
  background: #ffffff;
  color: var(--accent);
  border-color: var(--line);
  box-shadow: 0 6px 18px rgba(30, 41, 59, 0.08);
}

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

.option-panel {
  display: grid;
  gap: 14px;
}

.option-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.option-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 5px 6px 5px 12px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid var(--line);
  color: var(--ink);
  font-weight: 800;
}

.option-chip button {
  min-height: 28px;
  border-radius: 999px;
  padding: 4px 9px;
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 0.78rem;
  font-weight: 800;
}

.option-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

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

.template-card pre {
  white-space: pre-wrap;
  margin: 0;
  background: #f7f5f0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px;
  color: #383b34;
  max-height: 260px;
  overflow: auto;
}

.empty-state {
  color: var(--muted);
  background: #fbfaf6;
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 14px;
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

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

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

  .sidebar-note {
    margin-top: 0;
  }

  .metric-grid,
  .three-column,
  .card-grid,
  .template-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .document-form,
  .settings-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .import-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .main-content {
    padding: 18px;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .nav-list,
  .metric-grid,
  .two-column,
  .three-column,
  .card-grid,
  .template-grid,
  .participant-form,
  .document-form,
  .settings-grid,
  .task-form {
    grid-template-columns: 1fr;
  }

  .option-form {
    grid-template-columns: 1fr;
  }

  .two-field-row {
    grid-template-columns: 1fr;
  }

  .nav-item {
    min-height: 46px;
  }
}