:root {
  color-scheme: light;
  --bg: #f4f7f6;
  --panel: #ffffff;
  --ink: #12201f;
  --muted: #657370;
  --line: #d8e1df;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --accent: #b45309;
  --danger: #b91c1c;
  --ok: #166534;
  --blue: #1d4ed8;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

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

.app-shell {
  width: min(100%, 1040px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

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

.topbar h1 {
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

select,
input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 11px 12px;
}

select:disabled {
  color: var(--ink);
  opacity: 1;
  background: #f8fafc;
}

.topbar select {
  max-width: 220px;
}

.status-panel,
.tab-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 18px;
  box-shadow: 0 8px 20px rgba(28, 45, 43, 0.06);
}

.status-panel {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 16px;
  align-items: stretch;
}

.today-heading {
  align-self: center;
}

.network-copy {
  color: var(--muted);
  margin: 8px 0 0;
  line-height: 1.5;
}

.shift-card,
.network-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #eef7f6;
}

.shift-card span,
.metric span,
.time-tile span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.shift-card strong {
  font-size: 1.15rem;
}

.network-card {
  display: grid;
  gap: 8px;
  grid-column: 1 / -1;
  background: #f8fafc;
}

.network-card strong {
  font-size: 1rem;
}

.network-card small {
  color: var(--muted);
  line-height: 1.45;
}

.network-card.ready {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.network-card.blocked {
  border-color: #fecaca;
  background: #fef2f2;
}

.clock-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  grid-column: 1 / -1;
}

.primary-action,
.secondary-action,
.submit-button,
.mini-button {
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
}

.primary-action,
.secondary-action {
  min-height: 96px;
  padding: 16px;
  text-align: left;
}

.primary-action span,
.secondary-action span {
  display: block;
  font-size: 1.1rem;
}

.primary-action small,
.secondary-action small {
  display: block;
  margin-top: 4px;
  font-weight: 600;
  opacity: 0.85;
}

.primary-action {
  background: var(--primary);
  color: #fff;
}

.secondary-action {
  background: #dbeafe;
  color: #173766;
}

.wifi-check,
.clock-state {
  grid-column: 1 / -1;
}

.wifi-check {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-weight: 700;
}

.wifi-check input {
  width: 20px;
  height: 20px;
}

.clock-state {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.time-tile {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.time-tile strong {
  display: block;
  font-size: 1.02rem;
}

.clock-note {
  grid-column: 1 / -1;
  color: var(--muted);
  line-height: 1.5;
}

.demo-only {
  display: none;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 18px 0;
}

.tab {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  min-height: 44px;
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
}

.tab.active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.section-heading {
  margin-bottom: 16px;
}

.section-heading p {
  color: var(--muted);
  margin: 6px 0 0;
}

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

label {
  color: var(--muted);
  font-weight: 800;
}

label input,
label select,
label textarea {
  margin-top: 6px;
}

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

.submit-button {
  min-height: 46px;
  padding: 12px 16px;
  background: var(--primary);
  color: #fff;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.metric strong {
  font-size: 1.6rem;
}

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

.section-heading.compact {
  margin-bottom: 10px;
}

.section-heading.compact h2 {
  font-size: 1.05rem;
}

.employee-links {
  border-top: 1px solid var(--line);
  margin-top: 8px;
  padding-top: 16px;
}

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

.link-row {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #fff;
}

.link-row a {
  color: var(--blue);
  overflow-wrap: anywhere;
  text-decoration: none;
}

.list-stack {
  margin-top: 16px;
}

.row-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.row-card h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

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

.row-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.subsection-title {
  margin: 18px 0 8px;
  font-size: 1.05rem;
}

.manager-summary {
  display: grid;
  gap: 12px;
}

.manager-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.manager-table {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.manager-row {
  display: grid;
  grid-template-columns: 1fr 0.9fr 0.9fr 1.3fr;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.manager-row:last-child {
  border-bottom: 0;
}

.manager-row.header {
  background: #f8fafc;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.manager-row strong {
  display: block;
}

.manager-row small {
  color: var(--muted);
}

.mini-button {
  padding: 9px 12px;
  background: #e8f3f2;
  color: var(--primary-dark);
}

.mini-button.reject {
  background: #fee2e2;
  color: var(--danger);
}

.calendar-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

.calendar-row:last-child {
  border-bottom: 0;
}

.status-badge {
  border-radius: 999px;
  padding: 5px 9px;
  background: #eef2f7;
  color: #334155;
  font-size: 0.8rem;
  font-weight: 800;
  white-space: nowrap;
}

.status-badge.ok {
  background: #dcfce7;
  color: var(--ok);
}

.status-badge.blocked {
  background: #fee2e2;
  color: var(--danger);
}

.status-badge.warn {
  background: #fef3c7;
  color: var(--accent);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: min(360px, calc(100vw - 36px));
  border-radius: 8px;
  background: #102321;
  color: #fff;
  padding: 12px 14px;
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.22);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(15, 23, 42, 0.48);
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  width: min(100%, 420px);
  border-radius: 8px;
  background: #fff;
  padding: 18px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.26);
}

.password-form {
  display: grid;
  gap: 12px;
}

.password-error {
  margin: 0;
  color: var(--danger);
  font-weight: 800;
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

@media (max-width: 720px) {
  .app-shell {
    padding: 14px;
  }

  .topbar,
  .status-panel,
  .form-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    display: grid;
  }

  .topbar select {
    max-width: none;
  }

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

  .clock-state {
    grid-template-columns: 1fr;
  }

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

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

  .manager-metrics,
  .manager-row {
    grid-template-columns: 1fr;
  }

  .manager-row.header {
    display: none;
  }

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