:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --text: #172033;
  --muted: #647083;
  --line: #dfe5ee;
  --primary: #1f6feb;
  --primary-strong: #1557ba;
  --success: #16794c;
  --warning: #a65f00;
  --danger: #b42318;
  --sidebar: #102033;
  --sidebar-soft: #1c314a;
  --radius: 8px;
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

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

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

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(135deg, #eef4ff 0%, #f7f9fb 42%, #eef8f4 100%);
}

.login-panel {
  width: min(940px, 100%);
  min-height: 520px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
  padding: 48px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(16, 32, 51, 0.14);
}

.login-panel h1 {
  margin: 8px 0 12px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1;
  letter-spacing: 0;
}

.login-form,
.form-grid {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: #344054;
  font-weight: 600;
  font-size: 14px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fff;
  color: var(--text);
}

textarea {
  min-height: 96px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(31, 111, 235, 0.2);
  border-color: var(--primary);
}

.primary-btn,
.ghost-btn,
.danger-btn,
.small-btn {
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 700;
}

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

.primary-btn:hover {
  background: var(--primary-strong);
}

.ghost-btn,
.small-btn {
  background: #eef2f7;
  color: #172033;
}

.danger-btn {
  background: #fee4e2;
  color: var(--danger);
}

.form-error {
  color: var(--danger);
  margin: 0;
}

.muted {
  color: var(--muted);
  line-height: 1.6;
}

.eyebrow {
  margin: 0;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.demo-accounts {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.demo-accounts strong {
  color: var(--text);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px 1fr;
}

.sidebar {
  background: var(--sidebar);
  color: #fff;
  padding: 20px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--primary);
  border-radius: 8px;
  font-weight: 800;
}

.brand small {
  display: block;
  color: #afbdd0;
  margin-top: 3px;
}

.nav-menu {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

.nav-menu button,
.nav-menu a {
  display: block;
  border: 0;
  border-radius: 8px;
  padding: 12px;
  color: #d9e2ef;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
}

.nav-menu button.active,
.nav-menu button:hover,
.nav-menu a.active,
.nav-menu a:hover {
  background: var(--sidebar-soft);
  color: #fff;
}

.workspace {
  min-width: 0;
  padding: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 22px;
}

.topbar h2 {
  margin: 5px 0 0;
  font-size: 28px;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px 8px 14px;
  font-weight: 700;
}

.logout-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 96px;
  height: 36px;
  padding: 0 12px;
  border: 0;
  border-radius: 8px;
  background: #fee4e2;
  color: var(--danger);
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
}

.page {
  display: grid;
  gap: 18px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(140px, 1fr));
  gap: 14px;
}

.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.stat span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.stat strong {
  display: block;
  margin-top: 8px;
  font-size: 30px;
}

.toolbar,
.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr 180px 180px auto;
  gap: 12px;
  align-items: end;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 920px;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f8fafc;
  color: #475467;
  font-size: 13px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  background: #eef2f7;
  color: #344054;
}

.badge.green {
  color: var(--success);
  background: #dcfae6;
}

.badge.orange {
  color: var(--warning);
  background: #fef0c7;
}

.badge.red {
  color: var(--danger);
  background: #fee4e2;
}

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

.actions form {
  margin: 0;
}

.small-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.form-grid.two {
  grid-template-columns: repeat(2, minmax(220px, 1fr));
}

.form-grid .full {
  grid-column: 1 / -1;
}

.inline-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.progress-cell {
  min-width: 120px;
}

.progress-bar {
  height: 8px;
  border-radius: 999px;
  background: #eef2f7;
  overflow: hidden;
  margin-top: 6px;
}

.progress-bar span {
  display: block;
  height: 100%;
  background: var(--primary);
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 18px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 360px;
  padding: 12px 14px;
  background: #172033;
  color: #fff;
  border-radius: 8px;
  box-shadow: 0 14px 40px rgba(16, 32, 51, 0.22);
}

.notice {
  margin-bottom: 16px;
  padding: 12px 14px;
  border: 1px solid #abefc6;
  border-radius: 8px;
  background: #ecfdf3;
  color: #067647;
  font-weight: 700;
}

.mt {
  margin-top: 16px;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .stats-grid,
  .toolbar,
  .admin-grid,
  .login-panel,
  .form-grid.two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .workspace,
  .sidebar,
  .login-panel {
    padding: 16px;
  }

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