:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --line: #e5e7eb;
  --text: #111827;
  --muted: #667085;
  --primary: #2563eb;
  --primary-soft: #eef4ff;
  --danger: #b42318;
  --danger-soft: #fff1f0;
  --success: #047857;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  letter-spacing: 0;
}

body.authenticated .login-screen {
  display: none;
}

body:not(.authenticated) .app-shell {
  display: none;
}

.login-screen {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  display: grid;
  gap: 16px;
  width: min(420px, 100%);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 28px;
  box-shadow: 0 16px 60px rgba(15, 23, 42, 0.08);
}

.login-error {
  margin: 0;
  border: 1px solid #fecaca;
  border-radius: 7px;
  background: var(--danger-soft);
  color: var(--danger);
  padding: 10px 12px;
  font-size: 13px;
}

.login-brand {
  margin-bottom: 6px;
}

.login-credential {
  display: grid;
  gap: 4px;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  background: #eff6ff;
  padding: 11px 12px;
  color: #1e3a8a;
  font-size: 13px;
  line-height: 1.45;
}

.login-credential strong {
  color: #172554;
  font-size: 14px;
  font-weight: 700;
  word-break: break-all;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 244px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: #fff;
  border-right: 1px solid var(--line);
  padding: 24px 18px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 28px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
}

.brand small,
.eyebrow,
.muted {
  color: var(--muted);
}

.brand small {
  display: block;
  margin-top: 3px;
}

.nav {
  display: grid;
  gap: 6px;
}

.nav-item {
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #374151;
  padding: 12px;
  text-align: left;
}

.nav-item.active,
.nav-item:hover {
  background: var(--primary-soft);
  color: #1d4ed8;
  font-weight: 700;
}

.workspace {
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #374151;
  padding: 8px 11px;
  font-size: 13px;
  font-weight: 700;
}

.admin-only.hidden {
  display: none;
}

.eyebrow {
  margin: 0 0 5px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

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

.primary-button,
.ghost-button {
  min-height: 38px;
  border-radius: 7px;
  padding: 0 14px;
}

.primary-button {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  font-weight: 700;
}

.ghost-button {
  border: 1px solid var(--line);
  background: #fff;
  color: #374151;
}

.notice {
  margin-bottom: 16px;
  border: 1px solid #fed7aa;
  border-radius: 8px;
  background: #fff7ed;
  color: #9a3412;
  padding: 12px 14px;
}

.hidden,
.view,
.form-section {
  display: none;
}

.view.active,
.form-section.active {
  display: block;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metric-card,
.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.metric-card {
  padding: 18px;
}

.metric-card span {
  color: var(--muted);
  font-size: 13px;
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  font-size: 28px;
}

.metric-card.alert {
  background: var(--danger-soft);
}

.panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 18px;
}

.panel {
  padding: 18px;
}

.panel-header,
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

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

.toolbar input,
.toolbar select {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0 12px;
  background: #fff;
}

.toolbar input {
  width: min(420px, 50vw);
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  background: #f3f4f6;
  color: #374151;
  padding: 0 9px;
  font-size: 12px;
  font-weight: 700;
}

.badge.overdue {
  background: var(--danger-soft);
  color: var(--danger);
}

.follow-list {
  display: grid;
  gap: 10px;
}

.follow-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 13px;
}

.follow-item strong {
  display: block;
  margin-bottom: 5px;
}

.follow-item p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.large .follow-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.settings-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
}

.settings-form-panel {
  margin-top: 18px;
}

.settings-form {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: end;
}

.setting-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.setting-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

dialog {
  width: min(1180px, calc(100vw - 36px));
  border: 0;
  border-radius: 10px;
  padding: 0;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.28);
}

dialog::backdrop {
  background: rgba(15, 23, 42, 0.38);
}

.record-form {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr) 286px;
  min-height: 620px;
}

.form-steps {
  border-right: 1px solid var(--line);
  background: #fafafa;
  padding: 22px;
}

.step-button {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  width: 100%;
  margin-top: 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  padding: 11px;
  text-align: left;
}

.step-button span {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: #e5e7eb;
  color: #4b5563;
  font-weight: 800;
}

.step-button strong,
.step-button small {
  display: block;
}

.step-button small {
  grid-column: 2;
  color: var(--muted);
  margin-top: -2px;
}

.step-button.active {
  border-color: #c7d7fe;
  background: var(--primary-soft);
}

.step-button.active span {
  background: var(--primary);
  color: #fff;
}

.form-main,
.form-summary {
  padding: 24px;
}

.form-summary {
  border-left: 1px solid var(--line);
  background: #f9fafb;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
  margin-top: 22px;
}

label {
  display: grid;
  gap: 7px;
  color: #374151;
  font-size: 13px;
  font-weight: 700;
}

label.wide {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 7px;
  background: #fff;
  color: var(--text);
  padding: 10px 11px;
}

textarea {
  resize: vertical;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 28px;
}

.form-notice {
  margin: 12px 0 0;
  border: 1px solid #fecaca;
  border-radius: 8px;
  background: var(--danger-soft);
  color: var(--danger);
  padding: 11px 12px;
  font-size: 13px;
  font-weight: 700;
}

.summary-list {
  display: grid;
  gap: 10px;
}

.summary-list div,
.hint {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
  color: #4b5563;
  font-size: 13px;
}

.hint {
  margin-top: 14px;
  border-color: #fed7aa;
  background: #fff7ed;
  color: #9a3412;
}

.empty-state {
  color: var(--muted);
}

@media (max-width: 980px) {
  .app-shell,
  .panel-grid,
  .record-form,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .sidebar,
  .form-summary {
    border-right: 0;
    border-left: 0;
  }

  .metric-grid,
  .setting-list,
  .settings-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}