:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #172033;
  --muted: #5f6f86;
  --line: #dce3eb;
  --brand: #ee4d2d;
  --brand-dark: #bd351a;
  --nav: #111827;
  --ok-bg: #e8f7ef;
  --ok: #16724a;
  --warn-bg: #fff7de;
  --warn: #8a5c00;
  --info-bg: #edf4ff;
  --info: #2f5aa8;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}

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

h1,
h2,
h3,
p {
  margin: 0;
}

p {
  color: var(--muted);
}

.badge {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  padding: 6px 10px;
  background: #fff1ec;
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
  background: linear-gradient(135deg, rgba(238, 77, 45, 0.1), rgba(44, 115, 210, 0.06)), var(--bg);
}

.login-shell {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 22px;
}

.card,
.login-card,
.intro-card,
.section,
.metric,
.module-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
}

.intro-card,
.login-card {
  padding: 32px;
}

.intro-card h1 {
  margin-top: 18px;
  font-size: 34px;
  line-height: 1.1;
}

.intro-card p {
  margin-top: 12px;
  font-size: 16px;
}

.review-note {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}

.review-note div {
  padding: 12px 14px;
  border-radius: 8px;
  background: #f8fafc;
  color: #334155;
  font-weight: 650;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font-weight: 900;
}

.brand strong,
.brand span {
  display: block;
}

.brand strong {
  color: #111827;
}

.brand span {
  color: var(--muted);
  font-size: 12px;
}

form {
  margin-top: 20px;
  display: grid;
  gap: 15px;
}

label {
  display: grid;
  gap: 7px;
  color: #334155;
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 12px 13px;
  font: inherit;
}

input:focus {
  outline: 3px solid rgba(238, 77, 45, 0.2);
  border-color: var(--brand);
}

button {
  border: 0;
  border-radius: 8px;
  min-height: 44px;
  padding: 10px 14px;
  background: var(--brand);
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

button:hover {
  background: var(--brand-dark);
}

.error {
  display: none;
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #fff1f0;
  color: #b42318;
  font-weight: 700;
}

.error.is-visible {
  display: block;
}

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

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  padding: 22px 18px;
  background: #fff;
  border-right: 1px solid var(--line);
}

.nav {
  display: grid;
  gap: 5px;
  margin-top: 18px;
}

.nav a {
  display: block;
  border-radius: 8px;
  padding: 9px 10px;
  color: #475569;
  font-weight: 750;
}

.nav a:hover,
.nav a.active {
  background: #fff1ec;
  color: var(--brand-dark);
}

.logout-button {
  width: 100%;
  margin-top: 22px;
  background: var(--nav);
}

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

.hero {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: 31px;
}

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

.metric {
  padding: 16px;
}

.metric span {
  color: var(--muted);
}

.metric strong {
  display: block;
  margin-top: 6px;
  font-size: 24px;
}

.section-grid {
  display: grid;
  gap: 18px;
}

.section {
  padding: 20px;
}

.section h2 {
  font-size: 22px;
}

.section > p {
  margin-top: 7px;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.module-card {
  padding: 16px;
}

.module-card h3 {
  font-size: 17px;
}

.module-card p {
  margin-top: 6px;
}

.steps {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

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

.table-wrap {
  margin-top: 16px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f8fafc;
  color: #475569;
  font-size: 12px;
  text-transform: uppercase;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.status {
  display: inline-flex;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.status.ok {
  background: var(--ok-bg);
  color: var(--ok);
}

.status.warn {
  background: var(--warn-bg);
  color: var(--warn);
}

.status.info {
  background: var(--info-bg);
  color: var(--info);
}

.callout {
  margin-top: 16px;
  padding: 14px;
  border-radius: 8px;
  border-left: 4px solid var(--brand);
  background: #fff;
  color: #334155;
}

.footer {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

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

  .sidebar {
    position: static;
    height: auto;
  }

  .main {
    padding: 20px 16px;
  }
}