:root {
  color-scheme: dark;
  --bg-start: #0a0f1e;
  --bg-end: #10182f;
  --card: #151b2f;
  --card-soft: #1a223b;
  --text: #fff;
  --sub: #b9c1d9;
  --primary: #5b8cff;
  --accent: #7cc4ff;
  --border: rgba(255, 255, 255, 0.1);
  --warning: #ffe8a3;
  --warning-bg: rgba(255, 193, 7, 0.12);
  --success: #d7ffe1;
  --success-bg: rgba(53, 199, 89, 0.12);
  --danger: #ffc7c7;
  --danger-bg: rgba(255, 92, 92, 0.12);
  --mono: #9aa3b2;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 280px;
  min-height: 100vh;
  padding: 24px;
  background: linear-gradient(180deg, var(--bg-start), var(--bg-end));
  color: var(--text);
  font-family: "Noto Sans KR", "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.7;
}

a { color: var(--accent); }
a:hover { color: #b7e0ff; }

.meta-bar,
.eof,
.page-card {
  width: min(100%, 960px);
  margin-inline: auto;
}

.meta-bar,
.eof {
  color: var(--mono);
  font: 12px/1.6 "SFMono-Regular", Consolas, Menlo, monospace;
  text-align: center;
}

.meta-bar {
  margin-bottom: 16px;
  padding: 8px 16px;
  border: 1px solid #222733;
  border-radius: 10px;
  background: #12151c;
}

.meta-bar code { color: var(--accent); }

.page-card {
  padding: 36px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--card);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  color: #fff;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.04em;
  text-decoration: none;
}
.logo img { display: block; width: auto; height: 42px; max-width: 180px; }
.top-controls { display: flex; align-items: center; gap: 12px; min-width: 0; }
.primary-nav { display: flex; align-items: center; gap: 8px; }
.primary-nav-item {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #11182b;
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.primary-nav-item:hover,
.primary-nav-item.current,
.primary-nav-item.active,
.primary-nav-item[aria-current="page"] { border-color: rgba(124, 196, 255, 0.62); background: #202a48; color: #fff; }
.referral-menu { position: relative; }
.referral-submenu {
  position: absolute;
  z-index: 30;
  inset-inline-start: 0;
  top: calc(100% + 8px);
  display: none;
  width: max-content;
  min-width: 220px;
  padding: 7px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #11182b;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.38);
}
.referral-menu.open .referral-submenu,
.referral-menu:hover .referral-submenu,
.referral-menu:focus-within .referral-submenu { display: grid; }
.referral-submenu a {
  min-height: 40px;
  padding: 8px 11px;
  border-radius: 8px;
  color: var(--sub);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}
.referral-submenu a:hover,
.referral-submenu a:focus-visible,
.referral-submenu a.active { background: rgba(91, 140, 255, 0.17); color: #fff; }

.lang-selector { position: relative; }

.lang-btn {
  display: inline-flex;
  min-width: 132px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 13px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #11182b;
  color: #fff;
  font: inherit;
  cursor: pointer;
}

.lang-dropdown {
  position: absolute;
  z-index: 20;
  inset-inline-end: 0;
  top: calc(100% + 8px);
  display: none;
  width: 220px;
  max-height: 340px;
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #11182b;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.38);
}

.lang-selector.open .lang-dropdown { display: block; }

.lang-option {
  display: block;
  width: 100%;
  padding: 9px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--sub);
  font: inherit;
  text-align: start;
  cursor: pointer;
}

.lang-option:hover,
.lang-option.active { background: rgba(91, 140, 255, 0.17); color: #fff; }

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid #ffe66d;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  inset-inline-start: 12px;
  top: 8px;
  padding: 9px 12px;
  border-radius: 8px;
  background: #fff;
  color: #11182b;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.draft-banner,
.translation-pending,
.notice,
.secure-state {
  margin: 18px 0;
  padding: 14px 16px;
  border: 1px solid rgba(255, 193, 7, 0.4);
  border-radius: 12px;
  background: var(--warning-bg);
  color: var(--warning);
}

.translation-pending h1 { margin-top: 0; }

h1,
h2,
h3 { line-height: 1.35; }

h1 { margin: 22px 0 8px; font-size: clamp(27px, 5vw, 40px); }
h2 { margin: 36px 0 14px; font-size: clamp(20px, 3vw, 25px); }
h3 { margin: 22px 0 8px; font-size: 18px; }

.subtitle { margin: 0 0 22px; color: var(--sub); }
.muted { color: var(--sub); }
.small { font-size: 13px; }

.summary,
.policy-section,
.qa,
.form-panel,
.result-card,
.doc-link {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card-soft);
}

.summary,
.policy-section,
.qa,
.form-panel { margin: 14px 0; padding: 20px; }

.summary { background: var(--success-bg); color: var(--success); }
.summary p:first-child,
.policy-section h2:first-child,
.qa h2:first-child { margin-top: 0; }

ul,
ol { padding-inline-start: 24px; }
li + li { margin-top: 6px; }

.table-wrap { overflow-x: auto; margin: 16px 0; }

table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 14px;
  border: 1px solid var(--border);
  text-align: start;
  vertical-align: top;
}

th { background: rgba(91, 140, 255, 0.15); color: #fff; }

.doc-grid,
.result-grid,
.form-grid {
  display: grid;
  gap: 14px;
}

.doc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 18px 0; }
.form-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.doc-link {
  display: block;
  min-height: 146px;
  padding: 18px;
  color: #fff;
  text-decoration: none;
}

.doc-link:hover { border-color: rgba(124, 196, 255, 0.55); background: #202a48; }
.doc-link strong { display: block; margin: 4px 0 8px; font-size: 18px; }
.doc-link span { display: block; color: var(--sub); }
.badge { color: var(--accent); font-size: 12px; font-weight: 800; text-transform: uppercase; }

label { display: block; margin-bottom: 6px; color: var(--sub); font-size: 14px; }

input,
button { font: inherit; }

input {
  width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  background: #0f1628;
  color: #fff;
}

input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.18); }

.primary-btn {
  min-height: 46px;
  padding: 10px 18px;
  border: 0;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.primary-btn:hover { background: #4a79ea; }
.primary-btn:disabled { cursor: not-allowed; opacity: 0.68; }
.primary-btn.loading:disabled { cursor: wait; }
.actions { display: flex; align-items: end; }
.actions .primary-btn { width: 100%; }
.secondary-btn {
  min-height: 44px;
  margin-top: 12px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.result-card { padding: 18px; }
.result-card .label { color: var(--sub); font-size: 13px; }
.result-card .value { margin-top: 8px; color: #fff; font-size: 25px; font-weight: 900; }
.result-card .text-value { font-size: 17px; overflow-wrap: anywhere; }
.result-card.primary { border-color: rgba(91, 140, 255, 0.38); }

.secure-state { border-color: rgba(91, 140, 255, 0.42); background: rgba(91, 140, 255, 0.1); color: #dce7ff; }
.form-error { min-height: 24px; margin-top: 10px; color: var(--danger); }

.doc-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 38px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.doc-nav a { font-size: 13px; }
.doc-nav a.active,
.doc-nav a[aria-current="page"] {
  color: #fff;
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.doc-nav-top {
  margin: -8px 0 24px;
  padding: 0 0 16px;
}

.settlement-form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.settlement-summary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-message { min-height: 27px; margin: 12px 0 0; font-weight: 700; }
.form-message.error { color: var(--danger); }
.form-message.success { color: var(--success); }
.form-message.loading { color: #dce7ff; }
.settlement-results { margin-top: 30px; }
.settlement-table-wrap table { min-width: 760px; }
.empty-state {
  padding: 16px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  color: var(--sub);
}
.adjustment { color: #ffd6a5 !important; font-weight: 800; }
.status-badge {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}
.status-pending { border-style: dashed; }
.status-confirmed { border-color: rgba(124, 196, 255, 0.7); }
.status-scheduled { border-color: rgba(255, 230, 109, 0.7); }
.status-paid { border-color: rgba(120, 230, 150, 0.7); }
.status-reversed,
.status-recovery { border-color: rgba(255, 199, 199, 0.7); }

.eof {
  margin-top: 16px;
  padding: 12px;
  border: 1px dashed #222733;
  border-radius: 8px;
}

[hidden] { display: none !important; }
[dir="rtl"] .top-bar { flex-direction: row-reverse; }
[dir="rtl"] .page-card { text-align: right; }

@media (max-width: 760px) {
  body { padding: 16px; }
  .page-card { padding: 24px 18px; }
  .top-bar { align-items: flex-start; }
  .top-controls { flex: 1; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
  .primary-nav { order: 2; width: 100%; justify-content: flex-end; }
  .primary-nav-item { flex: 1 1 0; min-width: 0; white-space: normal; }
  .referral-menu { flex: 1 1 0; min-width: 0; }
  .referral-menu-button { width: 100%; }
  .referral-submenu { inset-inline-start: auto; inset-inline-end: 0; max-width: min(280px, calc(100vw - 48px)); }
  .doc-grid,
  .result-grid,
  .form-grid { grid-template-columns: 1fr; }
  .doc-link { min-height: auto; }
  .actions { align-items: stretch; }
}

@media (max-width: 420px) {
  body { padding: 10px; }
  .page-card { padding: 20px 14px; border-radius: 14px; }
  .logo img { height: 32px; max-width: 108px; }
  .top-controls { gap: 6px; }
  .primary-nav { gap: 6px; }
  .primary-nav-item { min-height: 42px; padding: 6px 8px; font-size: 12px; }
  .lang-btn { min-width: 118px; }
  .lang-dropdown { width: min(220px, calc(100vw - 40px)); }
  .doc-nav { gap: 7px 12px; }
  .doc-nav a { min-height: 34px; display: inline-flex; align-items: center; }
  .form-panel,
  .policy-section,
  .qa,
  .summary { padding: 16px; }
  .result-card .value { font-size: 21px; }
}

/* Referral settlement code input */
#referralCode {
  text-transform: uppercase;
}