:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-soft: #eef1f4;
  --text: #24272d;
  --muted: #626c78;
  --line: #d9dee5;
  --primary: #1f6feb;
  --primary-dark: #1857bb;
  --success: #237a57;
  --warning: #ad6a00;
  --danger: #b42318;
  --blocked: #6941c6;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(22, 27, 34, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
  min-height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  margin: 0;
  min-height: 100vh;
  min-width: 320px;
}

a {
  color: var(--primary);
  overflow-wrap: anywhere;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header__inner {
  align-items: center;
  display: flex;
  gap: 18px;
  margin: 0 auto;
  max-width: 1280px;
  min-height: 64px;
  padding: 0 24px;
}

.brand {
  align-items: center;
  color: var(--text);
  display: inline-flex;
  font-weight: 700;
  gap: 10px;
}

.brand:hover {
  text-decoration: none;
}

.brand__mark {
  align-items: center;
  background: var(--primary);
  border-radius: 6px;
  color: #ffffff;
  display: inline-flex;
  height: 32px;
  justify-content: center;
  width: 32px;
}

.app-nav {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  gap: 8px;
}

.app-nav a {
  align-items: center;
  border-radius: 6px;
  color: var(--muted);
  display: inline-flex;
  font-size: 0.95rem;
  min-height: 40px;
  padding: 8px 10px;
}

.app-nav a:hover {
  background: var(--surface-soft);
  color: var(--text);
  text-decoration: none;
}

.logout-form {
  margin-left: auto;
}

.app-main {
  flex: 1 0 auto;
  margin: 0 auto;
  max-width: 1280px;
  padding: 28px 24px 48px;
  width: 100%;
}

.app-footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  color: var(--muted);
  flex-shrink: 0;
}

.app-footer__inner {
  font-size: 0.88rem;
  margin: 0 auto;
  max-width: 1280px;
  padding: 14px 24px;
  text-align: center;
}

.app-footer a {
  color: var(--text);
  font-weight: 700;
}

.app-footer__heart {
  color: var(--danger);
}

.page-heading {
  align-items: flex-start;
  display: flex;
  gap: 18px;
  justify-content: space-between;
  margin-bottom: 22px;
}

.page-heading h1,
.section-heading h1,
.section-heading h2 {
  letter-spacing: 0;
  line-height: 1.15;
  margin: 0;
  overflow-wrap: anywhere;
}

.page-heading > *,
.section-heading > * {
  min-width: 0;
}

.page-heading h1 {
  font-size: 2rem;
}

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

.section-heading h1,
.section-heading h2 {
  font-size: 1.2rem;
}

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

.page-actions,
.form-actions,
.row-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 700;
  justify-content: center;
  max-width: 100%;
  min-height: 40px;
  padding: 8px 14px;
  text-align: center;
  text-decoration: none;
  white-space: normal;
}

.button:hover {
  border-color: #b9c0ca;
  text-decoration: none;
}

.button--primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

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

.button--ghost {
  background: transparent;
}

.button--warning {
  border-color: #e0b86f;
  color: #7a4a00;
}

.button--small {
  font-size: 0.86rem;
  min-height: 34px;
  padding: 6px 10px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  padding: 20px;
}

.panel--narrow,
.panel--auth {
  max-width: 620px;
  width: 100%;
}

.auth-shell {
  display: grid;
  justify-content: center;
  padding-top: 48px;
}

.metric-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  margin-bottom: 20px;
}

.metric-grid--statistics {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.metric-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--text);
  display: block;
  min-height: 112px;
  padding: 16px;
  text-decoration: none;
}

.metric-card:hover {
  border-color: #b9c0ca;
  box-shadow: 0 2px 6px rgba(22, 27, 34, 0.12);
  text-decoration: none;
}

.metric-card:focus-visible {
  outline: 3px solid rgba(31, 111, 235, 0.22);
  outline-offset: 2px;
}

.metric-card span {
  color: var(--muted);
  display: block;
  font-size: 0.86rem;
  font-weight: 700;
}

.metric-card strong {
  display: block;
  font-size: 2rem;
  letter-spacing: 0;
  line-height: 1;
  margin-top: 18px;
}

.metric-card--danger {
  border-left-color: var(--danger);
}

.metric-card--warning {
  border-left-color: var(--warning);
}

.metric-card--success {
  border-left-color: var(--success);
}

.metric-card--blocked {
  border-left-color: var(--blocked);
}

.metric-card--selected {
  outline: 2px solid rgba(31, 111, 235, 0.36);
  outline-offset: 2px;
}

.layout-grid {
  display: grid;
  gap: 20px;
}

.layout-grid--two {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
}

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

.chart-box {
  height: 320px;
  max-width: 100%;
  position: relative;
}

.chart-box--small {
  height: 240px;
}

.workload-list {
  display: grid;
  gap: 12px;
}

.workload-row {
  align-items: center;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(150px, 1fr) minmax(100px, 180px) auto;
}

.workload-row span {
  color: var(--muted);
  display: block;
  font-size: 0.88rem;
}

.workload-meter {
  background: var(--surface-soft);
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
}

.workload-meter span {
  background: var(--success);
  display: block;
  height: 100%;
}

.workload-count {
  min-width: 28px;
  text-align: right;
}

.table-wrap {
  max-width: 100%;
  overflow-x: auto;
}

.data-table {
  border-collapse: collapse;
  min-width: 880px;
  width: 100%;
}

.data-table--compact {
  min-width: 520px;
}

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.badge {
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  max-width: 100%;
  overflow-wrap: anywhere;
  padding: 6px 9px;
  text-align: center;
  white-space: normal;
}

.badge--neutral {
  background: #eef1f4;
  color: #3e4752;
}

.badge--success {
  background: #e6f4ed;
  color: #176346;
}

.badge--blocked {
  background: #f1eafe;
  color: #56319f;
}

.badge--priority-urgent {
  background: #fdecec;
  color: var(--danger);
}

.badge--priority-high {
  background: #fff2d8;
  color: #8a5600;
}

.badge--priority-medium {
  background: #e8f1ff;
  color: #1f5fbf;
}

.badge--priority-low {
  background: #eaf6ef;
  color: #237a57;
}

.filter-form,
.entity-form {
  display: grid;
  gap: 18px;
}

.filter-grid,
.form-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

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

label {
  color: var(--text);
  display: grid;
  font-weight: 700;
  gap: 6px;
  min-width: 0;
}

input,
select,
textarea {
  background: #ffffff;
  border: 1px solid #cfd5de;
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  max-width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  width: 100%;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  outline: 3px solid rgba(31, 111, 235, 0.16);
}

.checkbox-field {
  align-items: center;
  display: flex;
  gap: 10px;
}

.checkbox-field input {
  min-height: auto;
  width: auto;
}

.errorlist {
  color: var(--danger);
  font-size: 0.88rem;
  margin: 0;
  padding-left: 18px;
}

.message-stack {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.message {
  background: #e8f1ff;
  border: 1px solid #bfd5ff;
  border-radius: 6px;
  margin: 0;
  padding: 10px 12px;
}

.message--success {
  background: #e6f4ed;
  border-color: #b7ddc9;
}

.message--error {
  background: #fdecec;
  border-color: #f4b8b4;
}

.detail-list {
  display: grid;
  gap: 8px 18px;
  grid-template-columns: max-content minmax(0, 1fr);
  margin: 0 0 18px;
}

.detail-list dt {
  color: var(--muted);
  font-weight: 700;
}

.detail-list dd {
  margin: 0;
}

.text-block {
  overflow-wrap: anywhere;
}

.form-note,
.empty-state {
  color: var(--muted);
  margin: 0;
}

code {
  background: var(--surface-soft);
  border-radius: 6px;
  display: inline-block;
  max-width: 100%;
  overflow-x: auto;
  overflow-wrap: anywhere;
  padding: 4px 6px;
  white-space: normal;
}

@media (max-width: 1080px) {
  .metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .layout-grid--two {
    grid-template-columns: minmax(0, 1fr);
  }

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

@media (max-width: 840px) {
  .app-header__inner {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
    padding: 14px 16px;
  }

  .brand {
    min-height: 44px;
  }

  .app-nav {
    display: grid;
    flex: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .app-nav a,
  .button,
  .button--small,
  input,
  select,
  textarea {
    min-height: 44px;
  }

  .logout-form {
    margin-left: 0;
  }

  .app-main {
    padding: 22px 16px 40px;
  }

  .page-heading {
    display: grid;
  }

  .page-heading h1 {
    font-size: 1.6rem;
  }

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

  .metric-card {
    min-height: 96px;
  }

  .panel {
    padding: 16px;
  }

  .workload-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .workload-meter {
    grid-column: 1 / -1;
  }

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

  .data-table,
  .data-table--compact {
    min-width: 0;
  }

  .data-table thead {
    display: none;
  }

  .data-table,
  .data-table tbody,
  .data-table tr,
  .data-table td {
    display: block;
    width: 100%;
  }

  .data-table tr {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    margin-bottom: 12px;
    padding: 10px;
  }

  .data-table td {
    border-bottom: 0;
    display: grid;
    gap: 12px;
    grid-template-columns: 112px minmax(0, 1fr);
    padding: 8px 0;
  }

  .data-table td::before {
    color: var(--muted);
    content: attr(data-label);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
  }

  .data-table td[colspan] {
    display: block;
  }

  .data-table td[colspan]::before {
    content: none;
  }

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

  .detail-list dt {
    margin-top: 8px;
  }

  .row-actions {
    align-items: stretch;
  }
}

@media (max-width: 560px) {
  .app-nav,
  .page-actions,
  .form-actions,
  .row-actions {
    align-items: stretch;
    width: 100%;
  }

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

  .metric-grid,
  .filter-grid,
  .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .app-nav a,
  .button,
  .row-actions form {
    width: 100%;
  }

  .data-table td {
    grid-template-columns: minmax(0, 1fr);
  }
}