*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:      #000;
  --white:      #fff;
  --gray-light: #f5f5f5;
  --gray-mid:   #ddd;
  --green-bg:   #d4f4d4;
  --green-bdr:  #5aaa5a;
  --pink:       #f0a0a0;
  --dark-row:   #1a1a1a;
  --font:       'Courier New', Courier, monospace;
}

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--black);
  min-height: 100vh;
  font-size: 13px;
}

/* ── Nav bar ───────────────────────────────────────────────────────────────── */

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-mid);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 10;
}

.nav-tabs {
  display: flex;
  gap: 8px;
}

.nav-tab {
  font-family: var(--font);
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--black);
  background: var(--white);
  cursor: pointer;
  text-decoration: none;
  color: var(--black);
  transition: background 0.15s;
}

.nav-tab.active {
  background: var(--green-bg);
  border-color: var(--green-bdr);
}

.nav-tab.disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

.nav-account {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-account:hover { text-decoration: underline; }

/* ── Login page ────────────────────────────────────────────────────────────── */

.login-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 40px 24px;
}

.login-title {
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  margin-bottom: 48px;
}

.login-form {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.field-label {
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.field-input {
  width: 100%;
  padding: 12px 20px;
  border: 1.5px solid var(--black);
  border-radius: 24px;
  font-family: var(--font);
  font-size: 15px;
  letter-spacing: 0.05em;
  background: var(--white);
  color: var(--black);
  outline: none;
}

.field-input:focus { border-color: var(--black); box-shadow: 0 0 0 2px rgba(0,0,0,0.08); }
.field-input::placeholder { color: #aaa; }

.login-btn {
  align-self: center;
  margin-top: 12px;
  padding: 10px 36px;
  border: 1.5px solid var(--black);
  border-radius: 24px;
  background: var(--white);
  font-family: var(--font);
  font-size: 13px;
  font-weight: bold;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s;
}

.login-btn:hover  { background: var(--gray-light); }
.login-btn:active { background: var(--gray-mid); }

.login-error {
  font-size: 12px;
  color: #c00;
  text-align: center;
  min-height: 18px;
  letter-spacing: 0.03em;
}

/* ── Page content wrapper ──────────────────────────────────────────────────── */

.page-content {
  padding: 16px;
  max-width: 480px;
  margin: 0 auto;
}

/* ── Store selector ────────────────────────────────────────────────────────── */

.selector-wrap {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.selector-box {
  flex: 1;
  border: 1.5px solid var(--black);
  border-radius: 10px;
  overflow: hidden;
}

.selector-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: bold;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  user-select: none;
}

.selector-trigger .arrow {
  margin-left: auto;
  font-size: 16px;
  transition: transform 0.2s;
}

.selector-trigger.open .arrow { transform: rotate(90deg); }

.selector-body {
  display: none;
  padding: 8px 0;
  border-top: 1px solid var(--gray-mid);
}

.selector-body.open { display: block; }

.selector-group { padding: 0; }

.selector-group-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.06em;
  cursor: pointer;
  user-select: none;
}

.selector-kiosk {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 28px;
  font-size: 12px;
  cursor: pointer;
  user-select: none;
}

.selector-kiosk:hover,
.selector-group-label:hover { background: var(--gray-light); }

.chk-icon {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--black);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 10px;
}

.chk-icon.checked {
  background: var(--black);
  color: var(--white);
}

.search-btn {
  padding: 10px 14px;
  border: 1.5px solid var(--black);
  border-radius: 10px;
  background: var(--white);
  font-family: var(--font);
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.1em;
  cursor: pointer;
  align-self: stretch;
  white-space: nowrap;
}

.search-btn:hover { background: var(--gray-light); }

/* ── Month navigation ──────────────────────────────────────────────────────── */

.month-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 16px;
}

.month-arrow {
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 6px;
}

.month-arrow:hover { background: var(--gray-light); }

.month-label {
  font-size: 15px;
  font-weight: bold;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  min-width: 140px;
  text-align: center;
}

/* ── Summary table ─────────────────────────────────────────────────────────── */

.group-label {
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 0 4px;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  margin-bottom: 16px;
}

.summary-table th {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-align: center;
  padding: 5px 4px;
  border: 1px solid var(--black);
  white-space: nowrap;
}

.summary-table td {
  text-align: center;
  padding: 5px 4px;
  border: 1px solid var(--black);
  white-space: nowrap;
}

.summary-table td:first-child { text-align: left; padding-left: 8px; }
.summary-table th:first-child { text-align: left; padding-left: 8px; }

.summary-table tr.total-row td {
  background: var(--dark-row);
  color: var(--white);
  font-weight: bold;
}

/* ── Calendar ──────────────────────────────────────────────────────────────── */

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--black);
  border: 1px solid var(--black);
  margin-bottom: 16px;
  font-size: 11px;
}

.cal-header {
  background: var(--white);
  text-align: center;
  padding: 5px 2px;
  font-size: 10px;
  font-weight: bold;
  letter-spacing: 0.05em;
}

.cal-header.weekend { color: var(--pink); }

.cal-cell {
  background: var(--white);
  padding: 4px 3px;
  min-height: 54px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
}

.cal-cell.has-data { cursor: pointer; }
.cal-cell.has-data:hover { background: var(--gray-light); }
.cal-cell.empty { background: var(--gray-light); opacity: 0.4; }

.cal-day-num {
  font-size: 11px;
  font-weight: bold;
  align-self: flex-start;
}

.cal-day-num.weekend { color: var(--pink); }

.cal-kiosk-val {
  font-size: 10px;
  color: var(--pink);
  line-height: 1.3;
}

.cal-total-val {
  font-size: 10px;
  font-weight: bold;
  color: var(--black);
  border-top: 1px solid var(--gray-mid);
  width: 100%;
  text-align: right;
  padding-top: 1px;
}

/* ── Back row (daily view header) ──────────────────────────────────────────── */

.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.back-btn {
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 13px;
  font-weight: bold;
  cursor: pointer;
  letter-spacing: 0.05em;
  padding: 4px 0;
}

.back-btn:hover { text-decoration: underline; }

.view-date {
  font-size: 15px;
  font-weight: bold;
  letter-spacing: 0.08em;
  text-align: center;
}

/* ── Transaction log ───────────────────────────────────────────────────────── */

.tx-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  margin-top: 16px;
}

.tx-table th {
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 5px 4px;
  border: 1px solid var(--black);
  text-align: center;
  white-space: nowrap;
}

.tx-table td {
  padding: 5px 4px;
  border: 1px solid var(--black);
  text-align: center;
}

/* ── Export button ─────────────────────────────────────────────────────────── */

.export-wrap {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 16px;
}

.export-btn {
  padding: 8px 16px;
  border: 1.5px solid var(--black);
  border-radius: 20px;
  background: var(--white);
  font-family: var(--font);
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.1em;
  cursor: pointer;
}

.export-btn:hover { background: var(--gray-light); }

/* ── Utility ───────────────────────────────────────────────────────────────── */

.hidden { display: none !important; }

.empty-state {
  text-align: center;
  padding: 32px 16px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #666;
  text-transform: uppercase;
}