:root {
  --bg: #ffffff;
  --side: #f8fafc;
  --line: #e5e7eb;
  --text: #111827;
  --muted: #6b7280;
  --work-fill: #dbeafe;
  --work-line: #bfdbfe;
  --work-text: #1d4ed8;
  --work-daynum: #1e3a8a;
  --off-fill: #f3f4f6;
  --off-text: #9ca3af;
  --today: #f59e0b;
  --sat: #2563eb;
  --sun: #dc2626;
  --accent: #2563eb;
  --teal: #0f766e;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", system-ui,
    -apple-system, sans-serif;
  font-size: 14px;
  -webkit-text-size-adjust: 100%;
}

[hidden] {
  display: none !important;
}

/* ---------------------------------------------------------------- layout */

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  flex-wrap: wrap;
}

.toolbar h1 {
  margin: 0 6px;
  font-size: 18px;
  white-space: nowrap;
}

.nav-btn {
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 16px;
  padding: 4px 8px;
  border-radius: 8px;
  cursor: pointer;
}

.nav-btn:hover {
  background: #f1f5f9;
}

.toolbar-actions {
  display: flex;
  gap: 8px;
  margin-left: 8px;
  flex-wrap: wrap;
}

.hint {
  margin-left: auto;
  color: var(--muted);
  font-size: 12px;
}

.logout {
  margin-left: 8px;
}

.main {
  flex: 1;
  display: flex;
  min-height: 0;
  border-top: 1px solid var(--line);
}

.calendar-panel {
  flex: 1;
  min-width: 0;
  padding: 12px;
  overflow: auto;
}

.statusbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

.save-state {
  color: #10b981;
  white-space: nowrap;
}

.save-state.error {
  color: var(--sun);
}

/* ---------------------------------------------------------------- buttons */

.btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 8px;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover {
  background: #f1f5f9;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 700;
}

.btn.primary:hover {
  background: #1d4ed8;
}

.btn.ghost {
  background: transparent;
}

.btn.ghost:hover {
  background: #f1f5f9;
}

.btn.danger {
  color: var(--sun);
}

.btn.block {
  display: block;
  width: 100%;
  margin-top: 8px;
}

.btn.tiny {
  padding: 4px 8px;
  font-size: 12px;
}

/* ---------------------------------------------------------------- forms */

input[type="text"],
input[type="password"],
select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 9px;
  font: inherit;
  background: #fff;
  color: var(--text);
  min-width: 0;
}

input[type="text"]:focus,
input[type="password"]:focus,
select:focus {
  outline: 2px solid #bfdbfe;
  outline-offset: 0;
  border-color: var(--accent);
}

input:disabled,
select:disabled {
  background: #f3f4f6;
  color: #9ca3af;
}

input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* ---------------------------------------------------------------- calendar */

.calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(72px, 1fr)) 92px;
  grid-template-rows: 30px repeat(6, minmax(84px, 1fr));
  gap: 4px;
  height: 100%;
  min-height: 560px;
}

.wd {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.wd.red {
  color: var(--sun);
}

.week-head {
  color: var(--muted);
}

.cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 0;
  padding: 6px 7px;
  border: 1px solid #eceef2;
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
  cursor: pointer;
  transition: background 0.12s ease;
}

.cell.out {
  background: #fcfcfd;
  border-color: #f1f2f4;
  color: #d6d9de;
  cursor: default;
}

.cell:not(.out):hover {
  background: #f0f6ff;
}

.cell.work {
  background: var(--work-fill);
  border-color: var(--work-line);
  color: var(--work-text);
}

.cell.work:hover {
  background: #cfe7ff;
}

.cell.off {
  background: var(--off-fill);
  border-color: #e9eaee;
  color: var(--off-text);
}

.cell.off:hover {
  background: #eef2ff;
}

.cell.off.red {
  background: #fef2f2;
  border-color: #fecaca;
  color: #b91c1c;
}

.cell.off.red:hover {
  background: #ffeff1;
}

.cell.today {
  border-color: var(--today);
  box-shadow: inset 0 0 0 1px var(--today);
}

.cell-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 4px;
}

.daynum {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.1;
}

.cell.red .daynum {
  color: var(--sun);
}

.cell.work .daynum {
  color: var(--work-daynum);
}

.cell.work.red .daynum {
  color: var(--sun);
}

.cell.out .daynum {
  color: #d6d9de;
}

.paybox {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.15;
  white-space: nowrap;
}

.hours {
  font-size: 11px;
}

.pay {
  font-size: 11px;
  font-weight: 700;
  color: var(--work-daynum);
}

.cell-time {
  margin-top: auto;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cell-break {
  font-size: 10px;
  color: #3b82f6;
}

.cell-center {
  margin: auto 0;
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cell-memo {
  margin-top: auto;
  font-size: 10px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cell.off.red .cell-memo {
  color: #b91c1c;
}

.week-total {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--side);
  text-align: center;
}

.week-total .label {
  font-size: 10px;
  color: var(--muted);
}

.week-total .amount {
  font-size: 12px;
  font-weight: 700;
  color: var(--teal);
  word-break: keep-all;
}

.week-total .amount.zero {
  color: var(--off-text);
}

/* ---------------------------------------------------------------- sidebar */

.sidebar {
  flex: 0 0 320px;
  width: 320px;
  border-left: 1px solid var(--line);
  background: var(--side);
  overflow-y: auto;
}

.side-inner {
  padding: 16px;
}

.side-section h2 {
  margin: 0 0 10px;
  font-size: 14px;
}

.field-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.field-row > label {
  width: 36px;
  flex: 0 0 36px;
  color: var(--muted);
  font-size: 13px;
}

.input-with-suffix {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.input-with-suffix input {
  flex: 1;
  text-align: right;
}

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

.small {
  font-size: 11px;
}

.label {
  margin: 12px 0 4px;
  color: var(--muted);
  font-size: 12px;
}

.rules-summary {
  white-space: pre-line;
  font-size: 12px;
  line-height: 1.55;
}

.skips-summary {
  margin-top: 6px;
  white-space: pre-line;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.note-red {
  margin: 8px 0 0;
  color: #b91c1c;
  font-size: 11px;
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 0;
  font-size: 13px;
}

.summary-row span {
  color: var(--muted);
}

.summary-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.summary-total span {
  font-weight: 700;
}

.summary-total strong {
  color: var(--teal);
  font-size: 20px;
}

hr {
  margin: 16px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

/* ---------------------------------------------------------------- login */

.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 20px;
  background: var(--side);
}

.login-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: min(360px, 100%);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.login-card h1 {
  margin: 0;
  font-size: 22px;
}

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

.login-card label {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.login-card button {
  margin-top: 10px;
  padding: 11px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.login-card button:hover {
  background: #1d4ed8;
}

.error {
  min-height: 18px;
  margin: 0;
  color: var(--sun);
  font-size: 12px;
}

/* ---------------------------------------------------------------- modals */

.modal {
  width: min(440px, calc(100vw - 32px));
  padding: 0;
  border: 0;
  border-radius: 16px;
  background: transparent;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.25);
}

.modal.wide {
  width: min(680px, calc(100vw - 32px));
}

.modal::backdrop {
  background: rgba(15, 23, 42, 0.35);
}

.modal-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  background: #fff;
}

.modal-card h2 {
  margin: 0;
  font-size: 17px;
}

.modal-card h3 {
  margin: 4px 0 0;
  font-size: 14px;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.form-grid {
  display: grid;
  grid-template-columns: 64px 1fr;
  align-items: center;
  gap: 8px 12px;
}

.form-grid label {
  color: var(--muted);
  font-size: 13px;
}

.form-grid input,
.form-grid select {
  width: 100%;
}

.preview {
  margin: 4px 0 0;
  color: var(--work-text);
  font-size: 13px;
  font-weight: 700;
}

.preview.muted-text {
  color: var(--muted);
  font-weight: 400;
}

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

.rules-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.rules-table th {
  padding: 4px 6px;
  color: var(--muted);
  font-weight: 400;
  text-align: left;
}

.rules-table td {
  padding: 3px 6px;
}

.rules-table select {
  width: 100%;
}

.wd-name {
  font-weight: 700;
}

.wd-name.sat {
  color: var(--sat);
}

.wd-name.sun {
  color: var(--sun);
}

.skip-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 6px 0;
}

.skip-row input.nth {
  width: 64px;
}

.skip-row input.memo {
  flex: 1;
  min-width: 90px;
}

/* ---------------------------------------------------------------- toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 100;
  max-width: calc(100vw - 32px);
  padding: 10px 16px;
  border-radius: 10px;
  background: #111827;
  color: #fff;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  transform: translateX(-50%);
}

/* ---------------------------------------------------------------- responsive */

@media (max-width: 1000px) {
  .sidebar {
    flex-basis: 280px;
    width: 280px;
  }

  .calendar {
    grid-template-columns: repeat(7, minmax(64px, 1fr)) 78px;
  }
}

@media (max-width: 760px) {
  .app {
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
  }

  .main {
    flex: 0 0 auto;
    flex-direction: column;
  }

  .sidebar {
    flex: 0 0 auto;
    width: auto;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .calendar-panel {
    flex: 0 0 auto;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .calendar {
    min-width: 660px;
    min-height: 520px;
  }

  .modal-card {
    padding: 18px;
  }

  .rules-table {
    font-size: 12px;
  }

  .rules-table th,
  .rules-table td {
    padding: 3px 2px;
  }

  .rules-table select {
    padding: 6px 4px;
  }

  .hint {
    display: none;
  }

  .toolbar h1 {
    flex: 1;
    margin: 0;
    text-align: center;
    font-size: 17px;
  }

  .toolbar-actions {
    order: 5;
    width: 100%;
    margin-left: 0;
  }

  .toolbar-actions .btn {
    flex: 1;
  }

  .logout {
    margin-left: 0;
  }
}

/* ---------------------------------------------------------------- print */

#printArea {
  display: none;
}

@media print {
  body > * {
    display: none !important;
  }

  #printArea {
    display: block !important;
  }

  #printArea img {
    display: block;
    width: 100%;
    height: auto;
  }

  @page {
    size: A4 landscape;
    margin: 8mm;
  }
}