:root {
  --bg: #f3f6fa;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --text: #17202b;
  --muted: #687386;
  --line: #dfe5ec;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --success: #137333;
  --success-bg: #e8f5ec;
  --danger: #b42318;
  --danger-bg: #fff0ee;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR",
    "Apple SD Gothic Neo", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.08), transparent 32%),
    var(--bg);
  color: var(--text);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 38px 0 52px;
}

.site-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

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

h1 {
  margin-bottom: 5px;
  font-size: clamp(36px, 6vw, 58px);
  line-height: 1;
  letter-spacing: -0.045em;
}

.subtitle {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.12);
}

.panel {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.search-panel {
  padding: 22px;
  margin-bottom: 20px;
}

.search-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px auto;
  align-items: end;
  gap: 12px;
}

.field {
  display: grid;
  gap: 8px;
}

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

.field input {
  width: 100%;
  min-height: 52px;
  padding: 0 15px;
  border: 1px solid #cad3df;
  border-radius: 13px;
  outline: none;
  background: #fff;
  color: var(--text);
}

.field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.primary-button {
  min-height: 52px;
  padding: 0 25px;
  border: 0;
  border-radius: 13px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  transition: background 0.15s ease, transform 0.15s ease;
}

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

.primary-button:active {
  transform: translateY(1px);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.helper {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.message {
  min-height: 22px;
  margin-top: 8px;
  font-size: 14px;
}

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

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

.result-panel {
  padding: 24px;
}

.hidden {
  display: none;
}

.result-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.result-heading h2 {
  margin-bottom: 5px;
  font-size: clamp(26px, 4vw, 36px);
  letter-spacing: -0.035em;
}

.record-key {
  margin-bottom: 0;
  color: var(--muted);
}

.issue-status {
  flex: 0 0 auto;
  padding: 9px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.issue-status.issued {
  background: var(--success-bg);
  color: var(--success);
}

.issue-status.not-issued {
  background: var(--danger-bg);
  color: var(--danger);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.info-card {
  min-width: 0;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-soft);
}

.info-card-wide {
  grid-column: 1 / -1;
}

.info-label {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.info-card strong,
.member-list {
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.member-list {
  white-space: pre-wrap;
  font-weight: 650;
}

.document-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.document-card {
  display: flex;
  min-height: 138px;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}

.document-card h3 {
  margin: 6px 0 0;
  font-size: 18px;
}

.document-type {
  color: var(--primary);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.document-link,
.document-empty {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

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

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

.document-empty {
  background: #edf1f5;
  color: var(--muted);
}

.site-footer {
  padding-top: 22px;
  color: var(--muted);
  text-align: center;
  font-size: 12px;
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 24px;
  }

  .site-header {
    align-items: flex-start;
  }

  .status-badge {
    display: none;
  }

  .search-grid,
  .info-grid,
  .document-grid {
    grid-template-columns: 1fr;
  }

  .info-card-wide {
    grid-column: auto;
  }

  .result-heading {
    flex-direction: column;
  }

  .issue-status {
    align-self: flex-start;
  }
}

.payments-section {
  margin-top: 20px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-soft);
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.section-heading h3 {
  margin: 0;
  font-size: 20px;
}

.payment-summary {
  flex: 0 0 auto;
  padding: 8px 11px;
  border-radius: 999px;
  background: #eef3ff;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
}

.payments-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.payment-card {
  min-width: 0;
  padding: 14px 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  text-align: center;
  background: #fff;
}

.payment-card.paid {
  border-color: #b7e4c7;
  background: #eefaf2;
}

.payment-card.unpaid {
  background: #f4f6f8;
}

.payment-month {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.payment-amount {
  display: block;
  font-size: 15px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.payment-card.paid .payment-amount {
  color: var(--success);
}

.payment-card.unpaid .payment-amount {
  color: var(--muted);
}

.issue-status.eligible {
  background: #fff7df;
  color: #a15c00;
}

@media (max-width: 900px) {
  .payments-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .payments-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-heading {
    flex-direction: column;
  }

  .payment-summary {
    align-self: flex-start;
  }
}

/* v1.2: 월별 입금현황 가독성 강화 */
.payment-card.paid {
  border: 2px solid #3bb273;
  background: #e8f8ee;
}

.payment-card.paid .payment-month {
  color: #178b4d;
}

.payment-card.paid .payment-amount {
  color: #178b4d;
  font-weight: 900;
}

.payment-card.unpaid {
  border: 1px solid #dfe4ea;
  background: #f7f8fa;
}

.payment-card.unpaid .payment-amount {
  color: #7b8794;
}

.payment-check {
  display: inline-block;
  margin-right: 4px;
  color: #178b4d;
  font-weight: 900;
}

/* v1.3: 보험증권 상태 및 PDF 버튼 개선 */
.document-link {
  width: 100%;
  gap: 6px;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.18);
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.document-link::before {
  content: "📄";
}

.document-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.24);
}

.document-empty {
  width: 100%;
  border: 1px solid #dfe4ea;
}

.document-eligible {
  border-color: #f0c56e;
  background: #fff7df;
  color: #a15c00;
}

.document-eligible::before {
  content: "●";
  margin-right: 6px;
  font-size: 10px;
}