:root {
  --plan-card: rgba(255, 255, 255, 0.82);
  --plan-card-border: rgba(71, 55, 39, 0.12);
  --plan-text: #2f261d;
  --plan-muted: #6f5f4f;
  --plan-accent: #c46b2b;
  --plan-accent-strong: #8f4c1f;
  --plan-success: #2f7d57;
  --plan-shadow: 0 22px 50px rgba(52, 34, 21, 0.14);
}

html, body {
  margin: 0;
}

body {
  font-family: Arial, sans-serif;
  color: var(--plan-text);
  background-color: var(--background-color);
}

.plan-page {
  width: 100%;
  margin: var(--page-margin-desktop);
  padding-bottom: 72px;
}

.hero-card,
.notice-card,
.detail-card,
.plan-card {
  border: 1px solid var(--plan-card-border);
  background: var(--plan-card);
  backdrop-filter: blur(16px);
  box-shadow: var(--plan-shadow);
}

.hero-card {
  border-radius: 28px;
  padding: 32px;
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: stretch;
}

.eyebrow,
.status-label {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  color: var(--plan-accent-strong);
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 42px);
  line-height: 1.08;
}

.hero-text {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--plan-muted);
  max-width: 56ch;
}

.hero-status {
  border-radius: 22px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(250, 244, 236, 0.92));
  border: 1px solid rgba(196, 107, 43, 0.16);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-status strong {
  font-size: 30px;
  margin-bottom: 8px;
}

.hero-status p {
  margin: 0;
  color: var(--plan-muted);
  line-height: 1.7;
}

.notice-card {
  margin-top: 18px;
  border-radius: 20px;
  padding: 18px 20px;
  color: #5b3514;
  background: linear-gradient(135deg, rgba(255, 232, 212, 0.98), rgba(255, 247, 240, 0.98));
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 18px;
}

.plan-card {
  border-radius: 24px;
  padding: 22px;
  display: flex;
  flex-direction: column;
}

.plan-card.plan-highlight {
  border-color: rgba(196, 107, 43, 0.34);
  box-shadow: 0 28px 52px rgba(196, 107, 43, 0.18);
  transform: translateY(-4px);
}

.plan-card.plan-current {
  border: 2px solid #2f7d57;
  box-shadow: 0 20px 44px rgba(47, 125, 87, 0.2);
}

.plan-card.plan-disabled {
  filter: grayscale(0.35);
  opacity: 0.72;
}

.plan-card.plan-disabled .plan-button {
  background: linear-gradient(135deg, #8e8e8e, #7a7a7a);
  box-shadow: none;
}

.plan-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(196, 107, 43, 0.10);
  color: var(--plan-accent-strong);
  font-size: 12px;
  font-weight: 700;
}

.plan-name {
  margin: 14px 0 8px;
  font-size: 24px;
}

.plan-price {
  margin: 0;
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
}

.plan-price span {
  font-size: 14px;
  font-weight: 700;
  color: var(--plan-muted);
}

.plan-summary {
  margin: 12px 0 18px;
  color: var(--plan-muted);
  line-height: 1.75;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0px;
}

.feature-list li {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--plan-text);
  line-height: 1.55;
}

.plan-actions {
  margin-top: auto;
  padding-top: 18px;
}

.plan-button {
  width: 100%;
  border: none;
  border-radius: 16px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--plan-accent), var(--plan-accent-strong));
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 10px 24px rgba(196, 107, 43, 0.26);
}

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

.plan-button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.plan-button.secondary {
  background: linear-gradient(135deg, #3e8d69, #276344);
  box-shadow: 0 10px 24px rgba(47, 125, 87, 0.22);
}

.page-actions {
  margin-top: 16px;
  display: flex;
  justify-content: flex-start;
}

.dashboard-back-link {
  color: var(--plan-accent-strong);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 76, 31, 0.45);
  padding-bottom: 1px;
}

.dashboard-back-link:hover {
  color: #6f3a17;
  border-bottom-color: #6f3a17;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(34, 25, 16, 0.52);
}

.modal-overlay[hidden] {
  display: none !important;
}

.modal-card {
  width: min(560px, 100%);
  border-radius: 20px;
  border: 1px solid rgba(71, 55, 39, 0.16);
  background: rgba(255, 252, 247, 0.98);
  box-shadow: 0 24px 54px rgba(35, 25, 17, 0.32);
  padding: 26px 24px 22px;
}

.modal-card h2 {
  margin: 0;
  font-size: 22px;
}

.modal-message {
  margin-top: 14px;
  color: var(--plan-muted);
  line-height: 1.8;
  font-size: 15px;
  white-space: pre-line;
}

.modal-actions {
  margin-top: 20px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.modal-button {
  border: none;
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.modal-button-secondary {
  color: #443324;
  background: #efe5d9;
}

.modal-button-primary {
  color: #fff;
  background: linear-gradient(135deg, #2f7d57, #276344);
}

.detail-card {
  margin-top: 18px;
  border-radius: 24px;
  padding: 24px;
}

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.detail-header h2 {
  margin: 0;
  font-size: 20px;
}

.detail-header a {
  color: var(--plan-accent-strong);
  text-decoration: none;
  font-weight: 700;
}

.detail-body {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

.detail-item {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(71, 55, 39, 0.08);
}

.detail-item .label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--plan-muted);
  margin-bottom: 4px;
}

.detail-item .value {
  font-size: 16px;
  font-weight: 700;
}

.detail-empty {
  grid-column: 1 / -1;
  color: var(--plan-muted);
}

@media (max-width: 1100px) {
  .plan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .hero-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .modal-card {
    padding: 20px 16px 16px;
  }

  .modal-actions {
    flex-direction: column-reverse;
  }

  .modal-button {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .plan-page {
    width: 100%;
    margin: var(--page-margin-mobile);
    padding-bottom: 56px;
  }

  .hero-card,
  .detail-card {
    padding: 20px;
    border-radius: 22px;
  }

  .plan-grid,
  .detail-body {
    grid-template-columns: 1fr;
  }

  .plan-grid {
    gap: 20px;
  }

  .plan-card.plan-highlight {
    transform: none;
  }

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

  .hero-status strong {
    font-size: 26px;
  }

}

@media (max-width: 520px) {
  .plan-page {
    width: 100%;
    margin: var(--page-margin-mobile);
    padding-bottom: 44px;
  }

  .hero-card,
  .detail-card,
  .plan-card,
  .notice-card {
    border-radius: 18px;
  }

  .hero-card,
  .detail-card,
  .plan-card {
    padding: 16px;
  }

  .eyebrow,
  .status-label {
    font-size: 11px;
    letter-spacing: 0.12em;
  }

  .hero-copy h1 {
    font-size: clamp(20px, 7.2vw, 28px);
    line-height: 1.25;
  }

  .page-actions {
    margin-top: 12px;
  }

  .dashboard-back-link {
    font-size: 13px;
  }

  .hero-status {
    padding: 16px;
    border-radius: 16px;
  }

  .hero-status strong {
    font-size: 24px;
    margin-bottom: 6px;
  }

  .hero-status p {
    font-size: 13px;
    line-height: 1.5;
  }

  .notice-card {
    padding: 14px 14px;
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.6;
  }

  .plan-grid {
    margin-top: 16px;
    gap: 18px;
  }

  .plan-badge {
    padding: 6px 10px;
    font-size: 11px;
  }

  .plan-name {
    margin: 10px 0 6px;
    font-size: 21px;
  }

  .plan-price {
    font-size: 30px;
  }

  .plan-price span {
    font-size: 12px;
  }

  .plan-summary {
    margin: 10px 0 14px;
    min-height: auto;
    line-height: 1.6;
    font-size: 14px;
  }

  .feature-list {
    gap: 8px;
  }

  .feature-list li {
    padding: 9px 10px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.45;
  }

  .plan-actions {
    padding-top: 14px;
  }

  .plan-button {
    min-height: 48px;
    border-radius: 14px;
    font-size: 14px;
    padding: 12px 14px;
  }

  .detail-header h2 {
    font-size: 18px;
  }

  .detail-body {
    margin-top: 14px;
    gap: 10px;
  }

  .detail-item {
    padding: 11px 12px;
    border-radius: 12px;
  }

  .detail-item .value {
    font-size: 15px;
  }

  .modal-overlay {
    padding: 12px;
  }

  .modal-card {
    border-radius: 16px;
    padding: 16px 14px 14px;
  }

  .modal-card h2 {
    font-size: 19px;
  }

  .modal-message {
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.65;
  }

  .modal-actions {
    margin-top: 14px;
    gap: 8px;
  }

  .modal-button {
    min-height: 44px;
    font-size: 14px;
  }
}

@media (max-width: 360px) {
  .plan-page {
    width: min(100% - 10px, 100%);
  }

  .hero-card,
  .detail-card,
  .plan-card {
    padding: 13px;
  }

  .plan-grid {
    gap: 16px;
  }

  .hero-copy h1 {
    font-size: 19px;
  }

  .hero-status strong {
    font-size: 22px;
  }

  .plan-name {
    font-size: 20px;
  }

  .plan-price {
    font-size: 27px;
  }
}