:root {
  --pm-white: #ffffff;
  --pm-light: #f4f2f5;
  --pm-gray-1: #d9d7dc;
  --pm-gray-2: #b2acac;
  --pm-gray-3: #949494;
  --pm-gray-4: #827d7d;
  --pm-black: #000000;
  --pm-purple: #988db3;
  --pm-teal: #00a99d;
  --pm-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  --pm-radius: 20px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, var(--pm-light) 0%, #ebe8ee 100%);
  color: var(--pm-black);
  min-height: 100vh;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 28px;
}

.brand-card,
.login-card,
.activity-card,
.question-card {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(152, 141, 179, 0.18);
  border-radius: var(--pm-radius);
  box-shadow: var(--pm-shadow);
}

.brand-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 240px;
  position: relative;
  overflow: hidden;
}

.brand-card::before,
.brand-card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(152, 141, 179, 0.32);
  pointer-events: none;
}

.brand-card::before {
  width: 260px;
  height: 260px;
  top: -80px;
  left: -60px;
}

.brand-card::after {
  width: 220px;
  height: 220px;
  bottom: -90px;
  right: -40px;
}

.brand-logo {
  max-width: 420px;
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
  margin-bottom: 18px;
}

.brand-title {
  font-size: clamp(1.7rem, 2vw, 2.3rem);
  line-height: 1.1;
  margin: 0 0 10px;
  position: relative;
  z-index: 1;
}

.brand-subtitle {
  margin: 0;
  color: var(--pm-gray-4);
  font-size: 1rem;
  position: relative;
  z-index: 1;
  max-width: 60ch;
}

.login-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 240px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(152, 141, 179, 0.14);
  color: var(--pm-purple);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.login-title {
  margin: 0 0 10px;
  font-size: 1.7rem;
  line-height: 1.1;
}

.login-text {
  margin: 0 0 22px;
  color: var(--pm-gray-4);
  line-height: 1.55;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    opacity 0.18s ease;
}

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

.btn-primary {
  background: var(--pm-teal);
  color: var(--pm-white);
  box-shadow: 0 12px 24px rgba(0, 169, 157, 0.25);
}

.btn-secondary {
  background: var(--pm-white);
  color: var(--pm-black);
  border: 1px solid rgba(130, 125, 125, 0.18);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.login-note {
  margin-top: 14px;
  font-size: 0.92rem;
  color: var(--pm-gray-3);
}

.activity-section {
  position: relative;
}

.activity-card {
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.activity-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.activity-header h2 {
  margin: 0 0 8px;
  font-size: 1.9rem;
  line-height: 1.1;
}

.activity-header p {
  margin: 0;
  color: var(--pm-gray-4);
  max-width: 62ch;
  line-height: 1.55;
}

.badge {
  background: rgba(130, 125, 125, 0.14);
  color: var(--pm-gray-4);
  font-weight: 700;
  border-radius: 999px;
  padding: 10px 14px;
  white-space: nowrap;
  font-size: 0.95rem;
}

.badge-enabled {
  background: rgba(0, 169, 157, 0.18);
  color: var(--pm-teal);
}

.questions-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.question-card {
  padding: 22px;
  border: 1px solid rgba(148, 148, 148, 0.14);
  transition:
    border-color 0.2s ease,
    background 0.2s ease;
}

.question-number {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: rgba(152, 141, 179, 0.14);
  color: var(--pm-purple);
  border-radius: 50%;
  font-weight: 700;
  margin-bottom: 14px;
}

.question-title {
  margin: 0 0 12px;
  font-size: 1.08rem;
}

.option-list {
  display: grid;
  gap: 10px;
}

.option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--pm-light);
  color: var(--pm-black);
  border: 1px solid transparent;
}

.option input {
  accent-color: var(--pm-teal);
}

.question-feedback {
  margin-top: 12px;
  font-size: 0.92rem;
  font-weight: 700;
}

.question-correct {
  border: 2px solid rgba(0, 169, 157, 0.45);
  background: rgba(0, 169, 157, 0.05);
}

.question-correct .question-feedback {
  color: var(--pm-teal);
}

.question-incorrect {
  border: 2px solid rgba(195, 59, 59, 0.35);
  background: rgba(195, 59, 59, 0.05);
}

.question-incorrect .question-feedback {
  color: #9f2020;
}

.question-incomplete {
  border: 2px solid rgba(255, 193, 7, 0.35);
  background: rgba(255, 193, 7, 0.06);
}

.question-incomplete .question-feedback {
  color: #9a6b00;
}

.activity-overlay {
  position: absolute;
  inset: 0;
  background: rgba(244, 242, 245, 0.68);
  backdrop-filter: blur(7px);
  border-radius: var(--pm-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 3;
  transition:
    opacity 0.28s ease,
    visibility 0.28s ease;
}

.overlay-card {
  width: min(520px, 100%);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(152, 141, 179, 0.18);
  border-radius: 24px;
  box-shadow: var(--pm-shadow);
  padding: 28px;
  text-align: center;
}

.overlay-logo {
  width: 82px;
  height: auto;
  margin-bottom: 14px;
}

.overlay-card h3 {
  margin: 0 0 10px;
  font-size: 1.5rem;
}

.overlay-card p {
  margin: 0 0 18px;
  color: var(--pm-gray-4);
  line-height: 1.55;
}

.status-box {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 0.95rem;
  display: none;
}

.status-box.info {
  display: block;
  background: rgba(152, 141, 179, 0.12);
  color: var(--pm-purple);
}

.status-box.success {
  display: block;
  background: rgba(0, 169, 157, 0.12);
  color: var(--pm-teal);
}

.status-box.error {
  display: block;
  background: rgba(195, 59, 59, 0.1);
  color: #9f2020;
}

body.authorized .activity-overlay {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.activity-actions {
  margin-top: 24px;
  display: flex;
  justify-content: flex-end;
}

.result-box {
  margin-top: 20px;
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(152, 141, 179, 0.1);
  border: 1px solid rgba(152, 141, 179, 0.18);
  line-height: 1.6;
}

.result-box.success {
  background: rgba(0, 169, 157, 0.12);
  border-color: rgba(0, 169, 157, 0.2);
}

.result-box.warning {
  background: rgba(255, 193, 7, 0.12);
  border-color: rgba(255, 193, 7, 0.2);
}

.result-box.error {
  background: rgba(195, 59, 59, 0.1);
  border-color: rgba(195, 59, 59, 0.2);
}

.confirm-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.confirm-modal-content {
  width: min(520px, 100%);
  background: var(--pm-white);
  border-radius: 20px;
  box-shadow: var(--pm-shadow);
  padding: 24px;
}

.confirm-modal-content h3 {
  margin: 0 0 10px;
  font-size: 1.4rem;
}

.confirm-modal-content p {
  margin: 0 0 18px;
  color: var(--pm-gray-4);
  line-height: 1.55;
}

.confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

  .activity-header {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
  }

  .brand-card,
  .login-card,
  .activity-card,
  .overlay-card {
    padding: 20px;
  }

  .btn {
    width: 100%;
  }

  .button-row {
    flex-direction: column;
    align-items: stretch;
  }
}