:root {
  color-scheme: light;
  --ink: #1f1c18;
  --muted: #73685c;
  --line: #ded5ca;
  --paper: #fffdf9;
  --bg: #f4f0e9;
  --accent: #7a5233;
  --accent-dark: #543722;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
  line-height: 1.75;
}

button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--paper);
  color: var(--accent-dark);
  font-weight: 800;
  cursor: pointer;
}

button:hover {
  background: #f1e5d8;
}

button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px max(18px, calc((100vw - 1040px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 249, 0.94);
  backdrop-filter: blur(10px);
}

.topbar h1 {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
}

.role-label {
  color: var(--accent);
  font-size: 0.62em;
  white-space: nowrap;
}

.topbar p {
  margin: 3px 0 0;
  color: var(--muted);
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.page {
  width: min(1040px, calc(100% - 32px));
  margin: 28px auto 80px;
}

.notice {
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
  padding: 16px 18px;
  border: 1px solid #ead8c3;
  border-radius: 10px;
  background: #fff7ed;
  color: #5d402a;
}

.contract {
  padding: clamp(24px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
  box-shadow: 0 24px 70px rgba(45, 34, 23, 0.08);
}

.contract h2 {
  margin: 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ink);
  font-size: clamp(28px, 4vw, 42px);
  text-align: center;
}

.subtitle {
  margin: 14px 0 34px;
  color: var(--muted);
  text-align: center;
  font-weight: 700;
}

.contract h3 {
  margin: 34px 0 10px;
  color: #111;
  font-size: 20px;
}

.contract p,
.contract li {
  font-size: 16px;
}

.contract ol,
.contract ul {
  padding-left: 24px;
}

.contract-date {
  margin-top: 44px;
  text-align: center;
  font-weight: 900;
}

.signature-area {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 38px;
  margin-top: 42px;
}

.signature-card {
  display: grid;
  gap: 10px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.signature-card.is-active {
  outline: 2px solid rgba(122, 82, 51, 0.22);
  outline-offset: 12px;
}

.signature-card.is-locked {
  opacity: 0.58;
}

.signature-card.is-locked .signature-box {
  background: transparent;
}

.signature-card.is-locked canvas {
  pointer-events: none;
  cursor: not-allowed;
}

.signature-card h3 {
  margin: 0;
}

.signature-card dl {
  display: grid;
  gap: 6px;
  margin: 0;
}

.signature-card dl div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 10px;
  align-items: center;
}

.signature-card dt {
  color: var(--muted);
  font-weight: 800;
}

.signature-card dd {
  margin: 0;
}

.signature-card .sign-row dd {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.signature-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 150px;
}

.signature-trigger {
  min-height: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.signature-trigger:hover {
  background: transparent;
  color: var(--accent);
}

.signature-box {
  position: relative;
  overflow: hidden;
  width: 150px;
  height: 58px;
  min-height: 58px;
  border: 0;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  touch-action: none;
}

.signature-box::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  color: #c1b6aa;
  font-size: 11px;
  pointer-events: none;
}

.signature-box canvas,
.signature-box img {
  display: block;
  width: 100%;
  height: 58px;
}

.signature-box img {
  object-fit: contain;
}

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

.signature-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.signature-actions button {
  min-height: 34px;
  padding: 0 12px;
  border-radius: 6px;
  font-size: 13px;
}

body.signature-modal-open {
  overflow: hidden;
}

.signature-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(31, 28, 24, 0.58);
}

.signature-modal__panel {
  width: min(760px, 100%);
  padding: 22px;
  border-radius: 16px;
  background: var(--paper);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
}

.signature-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.signature-modal__header h2 {
  margin: 0;
  font-size: 24px;
}

.signature-modal__close {
  min-height: 36px;
}

.signature-modal__box {
  overflow: hidden;
  border: 1px dashed #a99480;
  border-radius: 12px;
  background: #fff;
  touch-action: none;
}

.signature-modal__box canvas {
  display: block;
  width: 100%;
  height: min(42vh, 300px);
}

.signature-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
}

.signature-modal__actions .primary {
  background: var(--accent);
  color: #fff;
}

@media (max-width: 760px) {
  .topbar {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar__actions {
    justify-content: flex-start;
  }

  .signature-area {
    grid-template-columns: 1fr;
  }

  .signature-card .sign-row dd {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .signature-modal {
    padding: 14px;
  }

  .signature-modal__panel {
    padding: 16px;
  }
}

@media print {
  @page {
    size: A4;
    margin: 14mm 15mm;
  }

  * {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  body {
    background: #fff;
    color: #111;
    font-size: 10.5pt;
    line-height: 1.58;
  }

  .topbar,
  .notice,
  .signature-actions,
  .signature-modal {
    display: none !important;
  }

  .page {
    width: 100%;
    margin: 0;
  }

  .contract {
    border: 0;
    box-shadow: none;
    padding: 0;
  }

  .contract h2 {
    margin: 0 0 8mm;
    padding-bottom: 4mm;
    border-bottom: 1.5pt solid #111;
    font-size: 21pt;
    line-height: 1.2;
  }

  .subtitle {
    margin: -5mm 0 10mm;
    font-size: 10pt;
  }

  .contract h3 {
    break-after: avoid;
    page-break-after: avoid;
    margin: 9mm 0 3mm;
    font-size: 13pt;
    line-height: 1.35;
  }

  .print-page-break {
    break-before: page;
    page-break-before: always;
  }

  .contract p,
  .contract li {
    font-size: 10.5pt;
    line-height: 1.6;
    word-break: keep-all;
    overflow-wrap: anywhere;
  }

  .contract p {
    margin: 0 0 4mm;
  }

  .contract ol,
  .contract ul {
    margin: 0 0 5mm;
    padding-left: 5mm;
  }

  .contract li {
    margin-bottom: 1.7mm;
    padding-left: 1mm;
  }

  .contract-date {
    margin: 10mm 0 5mm;
    font-size: 12pt;
  }

  .signature-area {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12mm;
    margin-top: 9mm;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .signature-card {
    break-inside: avoid;
    page-break-inside: avoid;
    outline: none !important;
    opacity: 1;
  }

  .signature-card h3 {
    margin-top: 0;
  }

  .signature-card dl {
    gap: 2mm;
  }

  .signature-card dl div {
    grid-template-columns: 24mm 1fr;
    gap: 3mm;
  }

  .signature-card dt,
  .signature-card dd {
    font-size: 10.5pt;
  }

  .signature-card .sign-row dd {
    flex-direction: row;
    align-items: center;
    gap: 6mm;
  }

  .signature-trigger {
    display: none !important;
  }

  .signature-box {
    width: 38mm;
    height: 15mm;
    min-height: 15mm;
  }

  .signature-box::before {
    content: "";
  }

  .signature-box canvas {
    height: 15mm;
  }

  .signed-meta {
    display: none;
  }
}