:root {
  --ink: #111;
  --line: #222;
  --muted: #444;
  --paper: #fff;
  --accent: #0b6e4f;
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
}

* { box-sizing: border-box; }
.hidden { display: none !important; }

body {
  margin: 0;
  background: #e8eaed;
  color: var(--ink);
}

.doc-page {
  width: min(820px, 100%);
  margin: 24px auto;
  background: var(--paper);
  padding: 28px 32px 36px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.doc-page h1 {
  margin: 0;
  text-align: center;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.doc-sub {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin: 6px 0 20px;
}

.section-title {
  font-weight: 700;
  margin: 18px 0 8px;
  font-size: 0.95rem;
}

.kv-group {
  margin-bottom: 10px;
}

.kv-group-title {
  background: #e8eef2;
  border: 1px solid var(--line);
  border-bottom: none;
  padding: 8px 12px;
  font-weight: 700;
  font-size: 0.88rem;
}

.kv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  font-size: 0.88rem;
}

.kv {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  min-width: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.kv-full {
  grid-column: 1 / -1;
}

.kv .k {
  background: #f3f5f7;
  font-weight: 600;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-right: 1px solid var(--line);
  line-height: 1.35;
  word-break: keep-all;
}

.kv .v {
  padding: 8px 10px;
  display: flex;
  align-items: center;
  min-width: 0;
  word-break: break-word;
  overflow-wrap: anywhere;
  line-height: 1.4;
}

.edit-hint {
  font-weight: 500;
  color: var(--accent);
  font-size: 0.8rem;
}

.finance-input,
.customer-input {
  width: 100%;
  border: 1px solid #c5ccd6;
  border-radius: 4px;
  padding: 6px 8px;
  font: inherit;
  background: #fffef5;
}

.finance-input:focus,
.customer-input:focus {
  outline: 2px solid rgba(11, 110, 79, 0.35);
  border-color: var(--accent);
}

.customer-edit-diff {
  margin: 0 0 16px;
  padding: 12px 14px;
  border: 1px solid #f0c36d;
  background: #fff8eb;
  border-radius: 8px;
}

.customer-edit-diff-title {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: #8a5a00;
}

.diff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.diff-table th,
.diff-table td {
  border: 1px solid #e6d3a8;
  padding: 6px 8px;
  text-align: left;
}

.diff-table th {
  background: #f7ecd2;
  font-weight: 600;
}

.diff-table tr.diff-changed td:nth-child(2),
.diff-table tr.diff-changed td:nth-child(3) {
  background: #ffe8b8;
  font-weight: 600;
}

.form-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  table-layout: fixed;
}

.form-table th,
.form-table td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  vertical-align: middle;
}

.form-table th {
  background: #f3f5f7;
  font-weight: 600;
  text-align: center;
  width: 18%;
}

.form-table .label {
  background: #f3f5f7;
  font-weight: 600;
  text-align: center;
  width: 20%;
}

.val {
  min-height: 1.2em;
  word-break: break-word;
}

.agree-box {
  border: 1px solid var(--line);
  padding: 12px 14px;
  margin-top: 8px;
  font-size: 0.82rem;
  line-height: 1.55;
}

.agree-box h3 {
  margin: 0 0 8px;
  text-align: center;
  font-size: 0.92rem;
}

.agree-actions {
  display: flex;
  gap: 20px;
  justify-content: flex-end;
  margin-top: 10px;
  font-weight: 600;
}

.agree-actions label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.closing {
  margin-top: 18px;
  font-size: 0.9rem;
  line-height: 1.6;
}

.sign-area {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.sign-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
}

.sign-pad-wrap {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fafafa;
  touch-action: none;
}

.sign-pad-wrap canvas {
  display: block;
  width: 100%;
  height: 160px;
  cursor: crosshair;
}

.sign-preview {
  max-width: 280px;
  max-height: 90px;
  border: 1px solid #ccc;
  background: #fff;
}

.notes {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.5;
}

.toolbar {
  width: min(820px, 100%);
  margin: 16px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  padding: 0 8px;
}

/* 동의서 제출: 화면 하단 고정 */
.sticky-submit {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid #d0d5dd;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(8px);
}

.sticky-submit .sticky-submit-inner {
  width: min(820px, 100%);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.sticky-submit .btn {
  flex: 1;
  min-width: 160px;
  padding: 14px 18px;
  font-size: 1rem;
}

.sticky-submit .msg {
  width: min(820px, 100%);
  margin: 0 auto;
  padding: 0;
  font-size: 0.88rem;
}

body.has-sticky-submit {
  padding-bottom: 96px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  font-family: inherit;
}

.btn:hover { filter: brightness(0.95); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-ghost {
  background: #fff;
  color: var(--ink);
  border-color: #c8ccd2;
}

.msg {
  width: min(820px, 100%);
  margin: 12px auto;
  padding: 0 8px;
  font-size: 0.9rem;
}

.msg.error { color: #c0392b; }
.msg.ok {
  color: #0b6e4f;
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: min(820px, calc(100% - 24px));
  margin: 0;
  padding: 14px 16px;
  background: #e6f4ef;
  border: 1px solid #9fd0bc;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.done-banner {
  background: #e6f4ef;
  border: 1px solid #9fd0bc;
  color: #0b6e4f;
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-weight: 600;
  text-align: center;
}

@media print {
  body { background: #fff; padding-bottom: 0 !important; }
  .toolbar, .sticky-submit, .no-print { display: none !important; }
  .doc-page {
    margin: 0;
    box-shadow: none;
    width: 100%;
  }
}

@media (max-width: 640px) {
  .doc-page { padding: 18px 14px 24px; margin: 0; border-radius: 0; }
  .doc-page h1 { font-size: 1.25rem; }

  .kv-grid {
    grid-template-columns: 1fr;
    font-size: 0.9rem;
  }

  .kv {
    grid-template-columns: 6.5rem 1fr;
  }

  .kv .k {
    justify-content: flex-start;
    text-align: left;
    font-size: 0.82rem;
    padding: 10px 8px;
  }

  .kv .v {
    padding: 10px 10px;
    white-space: normal;
  }

  .agree-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

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