:root {
  --bg: #f5f7fb;
  --bg-soft: #eef3f8;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --surface-muted: #f8fafc;
  --line: #d7e0ea;
  --line-strong: #c4d0dd;
  --text: #102033;
  --muted: #5f6d7d;
  --primary: #0f766e;
  --primary-strong: #115e59;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.12);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.12);
  --warning: #d97706;
  --warning-soft: rgba(217, 119, 6, 0.14);
  --success: #16a34a;
  --success-soft: rgba(22, 163, 74, 0.12);
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.05);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max-width: 1600px;
  --sidebar-width: 300px;
  --detail-width: 360px;
  --transition: 160ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.16), transparent 35%),
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.14), transparent 30%),
    linear-gradient(180deg, var(--bg) 0%, #edf2f7 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(16, 32, 51, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(16, 32, 51, 0.02) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.18), transparent 70%);
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  cursor: pointer;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface-strong);
  color: var(--text);
  padding: 0.82rem 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

textarea {
  resize: vertical;
  min-height: 112px;
}

input[type="checkbox"] {
  width: auto;
  padding: 0;
  box-shadow: none;
}

.auth-shell,
.error-shell,
.app-shell {
  position: relative;
  z-index: 1;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, 480px);
  gap: 1.5rem;
  padding: clamp(1rem, 2vw, 2rem);
  max-width: var(--max-width);
  margin: 0 auto;
  align-items: center;
}

.auth-hero,
.auth-card,
.error-card,
.panel,
.loading-card {
  background: var(--surface);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.auth-hero {
  min-height: 560px;
  padding: clamp(1.5rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  position: relative;
}

.auth-hero::after {
  content: "";
  position: absolute;
  inset: auto -30% -20% auto;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.18), transparent 70%);
  filter: blur(4px);
}

.auth-card,
.error-card {
  padding: clamp(1.4rem, 3vw, 2.2rem);
}

.error-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.error-card {
  width: min(680px, 100%);
  text-align: center;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  position: relative;
  z-index: 1;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--primary), var(--accent));
  box-shadow: 0 16px 30px rgba(15, 118, 110, 0.3);
  position: relative;
}

.brand-mark::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.eyebrow {
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  color: var(--muted);
}

.auth-hero h1,
.error-card h1,
.topbar h1 {
  margin: 0;
  font-size: clamp(1.8rem, 2vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.auth-copy {
  max-width: 56ch;
  position: relative;
  z-index: 1;
}

.auth-copy p {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.65;
}

.feature-list {
  padding-left: 1.15rem;
  color: var(--text);
  line-height: 1.65;
}

.auth-card__header p,
.panel__header p,
.toolbar__label,
.mini-shift p,
.shift-card__notes,
.empty-state,
.loading-card,
.alert {
  color: var(--muted);
}

.stack-form {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.42rem;
  font-size: 0.95rem;
}

.field span {
  color: var(--muted);
  font-weight: 600;
}

.field--inline {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.field--inline span {
  color: var(--text);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.button,
.icon-button,
.nav-link {
  border: 1px solid transparent;
  border-radius: 12px;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.button {
  padding: 0.82rem 1rem;
  font-weight: 700;
  background: var(--surface-strong);
  color: var(--text);
}

.button:hover,
.icon-button:hover,
.nav-link:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: linear-gradient(145deg, var(--primary), var(--primary-strong));
  color: #fff;
  box-shadow: 0 16px 30px rgba(15, 118, 110, 0.18);
}

.button--ghost {
  background: rgba(255, 255, 255, 0.75);
  border-color: var(--line);
}

.button--danger {
  color: var(--danger);
}

.button--active,
.nav-link--active {
  background: linear-gradient(145deg, rgba(15, 118, 110, 0.12), rgba(37, 99, 235, 0.09));
  border-color: rgba(15, 118, 110, 0.18);
  color: var(--primary-strong);
}

.topbar {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem clamp(1rem, 2vw, 2rem);
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(20px);
  background: rgba(245, 247, 251, 0.82);
  border-bottom: 1px solid rgba(215, 224, 234, 0.8);
}

.topbar__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.user-chip,
.pill {
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  font-size: 0.92rem;
}

.pill--live {
  background: rgba(15, 118, 110, 0.12);
  color: var(--primary-strong);
  border-color: rgba(15, 118, 110, 0.2);
}

.pill--success {
  background: var(--success-soft);
  color: var(--success);
}

.pill--muted {
  background: var(--surface-muted);
  color: var(--muted);
}

.workspace {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr) var(--detail-width);
  gap: 1rem;
  padding: 0 clamp(1rem, 2vw, 2rem) 2rem;
  align-items: start;
}

.sidebar,
.detail-panel,
.main-panel {
  min-width: 0;
}

.sidebar,
.detail-panel {
  position: sticky;
  top: 90px;
  align-self: start;
}

.nav-stack {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.nav-link {
  padding: 0.9rem 1rem;
  text-align: left;
  background: rgba(255, 255, 255, 0.78);
  border-color: var(--line);
  color: var(--text);
  font-weight: 700;
}

.panel,
.loading-card {
  padding: 1.2rem;
}

.panel--compact {
  padding: 1rem;
}

.panel--inner {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-soft);
}

.panel__header {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.panel__header h2,
.panel__header h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

.toolbar {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow-soft);
}

.toolbar__group,
.scope-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.toolbar__group input[type="date"] {
  width: 180px;
}

.toolbar__label {
  font-weight: 700;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

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

.stat-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.95));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0.95rem;
  display: grid;
  gap: 0.35rem;
  box-shadow: var(--shadow-soft);
}

.stat-card span {
  color: var(--muted);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-card strong {
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.page-stack {
  display: grid;
  gap: 1rem;
}

.loading-card {
  display: grid;
  place-items: center;
  min-height: 220px;
  font-weight: 700;
}

.loading-card--compact {
  min-height: 140px;
}

.table-wrap {
  overflow: auto;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.table th,
.table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid #edf2f7;
  text-align: left;
  vertical-align: middle;
}

.table thead th {
  background: #f8fafc;
  color: var(--muted);
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.table tbody tr:hover {
  background: rgba(37, 99, 235, 0.035);
}

.table-entity {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.table-entity strong {
  display: block;
}

.table-entity span {
  color: var(--muted);
  font-size: 0.88rem;
}

.color-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--dot, var(--primary));
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.03);
  flex: 0 0 auto;
}

.schedule-board {
  display: grid;
  gap: 0.85rem;
}

.schedule-board--week {
  grid-template-columns: repeat(7, minmax(240px, 1fr));
}

.schedule-board--day {
  grid-template-columns: minmax(0, 1fr);
}

.day-column {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  min-height: 300px;
}

.day-column__header {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem;
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.08), rgba(15, 118, 110, 0.02));
  border-bottom: 1px solid var(--line);
}

.day-column__header strong {
  display: block;
}

.day-column__header span,
.day-column__totals span {
  color: var(--muted);
  font-size: 0.92rem;
}

.day-column__totals {
  text-align: right;
  display: grid;
}

.day-column__body {
  padding: 0.85rem;
  display: grid;
  gap: 0.85rem;
}

.shift-card {
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent, var(--primary));
  border-radius: 18px;
  background: var(--surface-strong);
  padding: 0.9rem;
  display: grid;
  gap: 0.7rem;
  box-shadow: var(--shadow-soft);
}

.shift-card.is-dragging {
  opacity: 0.45;
}

.shift-card__header {
  display: flex;
  justify-content: space-between;
  gap: 0.85rem;
  align-items: flex-start;
}

.shift-card__title {
  font-weight: 800;
  letter-spacing: -0.03em;
}

.shift-card__time {
  color: var(--muted);
  font-size: 0.92rem;
}

.shift-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.shift-card__notes {
  margin: 0;
  line-height: 1.5;
}

.assignment-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.assignment-placeholder {
  color: var(--muted);
  font-size: 0.92rem;
}

.assignment-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  padding: 0.35rem 0.45rem 0.35rem 0.75rem;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96));
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.05);
  position: relative;
}

.assignment-chip::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent, var(--primary));
}

.assignment-chip__name {
  font-size: 0.88rem;
  font-weight: 700;
}

.assignment-chip__remove {
  border: none;
  background: transparent;
  color: var(--muted);
  width: 26px;
  height: 26px;
  border-radius: 999px;
}

.assignment-chip__remove:hover {
  background: var(--danger-soft);
  color: var(--danger);
}

.employee-target-list {
  display: grid;
  gap: 0.65rem;
}

.employee-drop-target {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  padding: 0.85rem;
  display: grid;
  gap: 0.45rem;
  box-shadow: var(--shadow-soft);
  transition: border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.employee-drop-target:hover,
.employee-drop-target:focus-visible,
.drop-target--active {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.11), var(--shadow-soft);
  transform: translateY(-1px);
}

.drop-target--warning {
  border-color: var(--warning);
  background: rgba(217, 119, 6, 0.08);
}

.drop-target--blocked {
  border-color: var(--danger);
  background: rgba(220, 38, 38, 0.08);
}

.employee-drop-target__top {
  display: flex;
  gap: 0.65rem;
  align-items: center;
}

.employee-drop-target__meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.employee-drop-target__hint {
  color: var(--muted);
}

.mini-shift {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 0;
  border-top: 1px solid #edf2f7;
}

.mini-shift:first-child {
  border-top: none;
  padding-top: 0;
}

.mini-shift p {
  margin: 0.3rem 0 0;
}

.mini-shift__actions {
  display: flex;
  align-items: flex-start;
  gap: 0.35rem;
}

.stack-list {
  display: grid;
  gap: 0.85rem;
}

.stack-list__items {
  display: grid;
  gap: 0.5rem;
}

.icon-button {
  padding: 0.6rem 0.85rem;
  background: rgba(255, 255, 255, 0.92);
  border-color: var(--line);
  color: var(--text);
  font-weight: 700;
}

.icon-button--danger {
  color: var(--danger);
}

.alert {
  border-radius: 16px;
  border: 1px solid var(--line);
  padding: 0.85rem 0.95rem;
}

.alert--warning {
  background: var(--warning-soft);
  border-color: rgba(217, 119, 6, 0.18);
  color: #8a5b07;
}

.alert--error {
  background: var(--danger-soft);
  border-color: rgba(220, 38, 38, 0.18);
  color: #991b1b;
}

.alert--success {
  background: var(--success-soft);
  border-color: rgba(22, 163, 74, 0.18);
  color: #166534;
}

.alert--inline {
  margin: 0;
  padding: 0.7rem 0.85rem;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 160px;
  border: 1px dashed var(--line-strong);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.6);
  padding: 1rem;
}

.empty-state--compact {
  min-height: 90px;
}

.history-details {
  display: grid;
}

.history-details summary {
  cursor: pointer;
  color: var(--primary);
  font-weight: 700;
}

.history-details__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.history-details pre {
  margin: 0.45rem 0 0;
  padding: 0.8rem;
  border-radius: 14px;
  background: #0f172a;
  color: #dbeafe;
  overflow: auto;
  font-size: 0.82rem;
}

.toast-stack {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  gap: 0.5rem;
  z-index: 80;
}

.toast {
  min-width: 260px;
  max-width: 340px;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  color: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition);
}

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

.toast--success {
  background: linear-gradient(145deg, var(--success), #0f766e);
}

.toast--warning {
  background: linear-gradient(145deg, var(--warning), #b45309);
}

.toast--error {
  background: linear-gradient(145deg, var(--danger), #991b1b);
}

.is-loading .topbar,
.is-loading .workspace {
  cursor: progress;
}

@media (max-width: 1400px) {
  .workspace {
    grid-template-columns: minmax(260px, 280px) minmax(0, 1fr);
  }

  .detail-panel {
    grid-column: 1 / -1;
    position: static;
  }
}

@media (max-width: 1080px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

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

  .sidebar,
  .detail-panel {
    position: static;
  }

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

  .schedule-board--week {
    grid-template-columns: repeat(2, minmax(240px, 1fr));
  }
}

@media (max-width: 720px) {
  .topbar {
    align-items: flex-start;
  }

  .topbar__meta {
    width: 100%;
    justify-content: flex-start;
  }

  .summary-grid,
  .summary-grid--sidebar,
  .history-details__grid {
    grid-template-columns: 1fr;
  }

  .toolbar {
    padding: 0.9rem;
  }

  .toolbar__group input[type="date"] {
    width: 100%;
  }

  .schedule-board--week {
    grid-template-columns: 1fr;
  }

  .day-column__header {
    flex-direction: column;
  }

  .day-column__totals {
    text-align: left;
  }
}