:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172033;
  background: #f6f7f9;
  --bg: #f6f7f9;
  --card: rgba(255, 255, 255, .94);
  --text: #172033;
  --muted: #5b667a;
  --line: #e2e6ee;
  --primary: #111827;
  --primary-hover: #1f2937;
  --secondary: #eef2ff;
  --secondary-text: #263f86;
  --success: #eaf8ef;
  --success-text: #196336;
  --warning: #fff7ed;
  --warning-text: #8a4b12;
  --danger: #fee2e2;
  --danger-text: #991b1b;
  --shadow: 0 18px 60px rgba(20, 30, 50, .10);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 20%, rgba(120, 170, 255, .16), transparent 28rem),
    radial-gradient(circle at 80% 10%, rgba(140, 220, 180, .14), transparent 26rem),
    var(--bg);
}

button,
input {
  font: inherit;
}

.app-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 44px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 26px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-weight: 800;
  letter-spacing: .035em;
  text-transform: uppercase;
  font-size: 13px;
}

h1,
h2 {
  margin: 0;
  letter-spacing: -0.045em;
  line-height: 1.08;
  color: var(--text);
}

h1 {
  font-size: clamp(34px, 5vw, 54px);
}

h2 {
  font-size: clamp(24px, 3vw, 34px);
}

p {
  font-size: 16px;
  line-height: 1.55;
}

.muted {
  color: var(--muted);
  margin: 10px 0 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.login-card {
  width: min(620px, 100%);
  margin: 9vh auto 0;
}

.card-header {
  margin-bottom: 22px;
}

.card-header.horizontal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
  color: #374151;
  font-weight: 700;
}

.field input {
  width: 100%;
  border: 1px solid #d8deea;
  border-radius: 14px;
  padding: 14px 15px;
  background: #fff;
  color: var(--text);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.field input:focus {
  border-color: #9db6ff;
  box-shadow: 0 0 0 4px rgba(95, 133, 255, .14);
}

.btn {
  border: 0;
  border-radius: 14px;
  padding: 13px 18px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .12s ease, background .12s ease, opacity .12s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
}

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

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

.btn-secondary {
  background: var(--secondary);
  color: var(--secondary-text);
}

.btn-ghost {
  background: #fff;
  color: #1f2937;
  border: 1px solid var(--line);
}

.message {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--secondary);
  color: var(--secondary-text);
  font-weight: 700;
}

.message.error {
  background: var(--danger);
  color: var(--danger-text);
}

.message.success {
  background: var(--success);
  color: var(--success-text);
}

.notice {
  border-radius: 18px;
  padding: 16px 18px;
  margin-bottom: 18px;
  display: grid;
  gap: 6px;
  border: 1px solid transparent;
}

.notice.warning {
  background: var(--warning);
  color: var(--warning-text);
  border-color: #fed7aa;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.modules-card {
  margin-bottom: 18px;
}

.features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.feature-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 10px 14px;
  background: var(--success);
  color: var(--success-text);
  font-weight: 800;
  font-size: 14px;
}

.feature-pill.empty {
  background: #f3f4f6;
  color: #6b7280;
}

.hidden {
  display: none !important;
}

@media (max-width: 820px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .card-header.horizontal {
    align-items: flex-start;
    flex-direction: column;
  }

  .login-card {
    margin-top: 24px;
  }
}