:root {
  --navy: #0b1f3a;
  --navy-mid: #163a5f;
  --navy-soft: #d7e2ef;
  --gray: #5b6573;
  --gray-muted: #8a93a0;
  --gray-line: #d9dee6;
  --gray-bg: #f4f6f9;
  --white: #ffffff;
  --danger: #9b2c2c;
  --ok: #1f6b4a;
  --shadow: 0 10px 30px rgba(11, 31, 58, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--navy);
  background:
    radial-gradient(1200px 500px at 10% -10%, #e8eef6 0%, transparent 55%),
    linear-gradient(180deg, #f8fafc 0%, var(--gray-bg) 100%);
}

body {
  min-height: 100vh;
}

#app {
  min-height: 100vh;
}

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

.login-card {
  width: min(420px, 100%);
  background: var(--white);
  border: 1px solid var(--gray-line);
  box-shadow: var(--shadow);
  padding: 36px 32px 28px;
}

.brand {
  font-family: "IBM Plex Serif", serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}

.brand-sub {
  margin: 0 0 28px;
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.45;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 8px;
}

input, select {
  width: 100%;
  border: 1px solid var(--gray-line);
  background: var(--white);
  color: var(--navy);
  padding: 12px 14px;
  font: inherit;
  margin-bottom: 16px;
  outline: none;
}

input:focus, select:focus {
  border-color: var(--navy-mid);
  box-shadow: 0 0 0 3px rgba(22, 58, 95, 0.12);
}

.hint-note {
  margin: -4px 0 16px;
  color: var(--gray-muted);
  font-size: 0.85rem;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.search {
  width: min(280px, 100%);
  margin: 0;
}

.status {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid var(--gray-line);
  color: var(--gray);
  background: #eef2f7;
}

.status-active {
  color: var(--ok);
  border-color: #b7d7c7;
  background: #e8f5ee;
}

.status-sold {
  color: #1f4e79;
  border-color: #9eb6d0;
  background: #e8eef6;
}

.status-paid {
  color: var(--ok);
  border-color: #b7d7c7;
  background: #e8f5ee;
}

.status-unpaid {
  color: #8a5a00;
  border-color: #e0c48a;
  background: #fff6e5;
}

.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.table-toolbar .search {
  width: min(320px, 100%);
}

.table-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 14px;
  border-top: 1px solid var(--gray-line);
  background: #f8fafc;
}

.table-pagination .page-meta {
  color: var(--gray);
  font-size: 0.85rem;
  font-weight: 600;
}

.table-pagination .page-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.table-pagination .page-num {
  color: var(--gray);
  font-size: 0.85rem;
  min-width: 7rem;
  text-align: center;
}

.table-pagination .page-btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.status-unlisted {
  color: var(--gray-muted);
}

.status-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0 0 12px;
}

.status-chip {
  border: 1px solid var(--gray-line);
  background: var(--white);
  color: var(--gray);
  padding: 8px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
}

.status-chip.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.updated-line {
  color: var(--gray-muted);
  font-size: 0.85rem;
  margin: -8px 0 18px;
}

.range-bar {
  margin: 0 0 16px;
}

.btn {
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  padding: 12px 18px;
  background: var(--navy);
  color: var(--white);
}

.btn:hover { background: var(--navy-mid); }

.btn-full { width: 100%; }

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--gray-line);
}

.error {
  color: var(--danger);
  font-size: 0.9rem;
  margin: 0 0 12px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--gray-line);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
}

.topnav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}

.topnav-item {
  border: 1px solid transparent;
  background: transparent;
  color: var(--gray);
  font: inherit;
  font-weight: 600;
  padding: 8px 14px;
  cursor: pointer;
}

.topnav-item:hover {
  color: var(--navy);
  background: var(--gray-bg);
}

.topnav-item.active {
  color: var(--white);
  border-color: var(--navy);
  background: var(--navy);
}

.topbar h1,
.topbar .brand-title {
  margin: 0;
  font-family: "IBM Plex Serif", serif;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.topbar .meta {
  color: var(--gray);
  font-size: 0.9rem;
}

.topbar-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

.stats {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  width: 100%;
  gap: 13px;
  margin-bottom: 22px;
}

.stats .stat {
  flex: 1 1 0;
  min-width: 0;
  box-sizing: border-box;
}

.stats-payments {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: stretch;
  width: 100%;
  gap: 16px;
  margin-bottom: 20px;
}

.stats-payments .stat {
  flex: 1 1 50%;
  width: 50%;
  min-width: 0;
  padding: 22px 28px;
  border-radius: 12px;
  overflow: hidden;
  box-sizing: border-box;
}

.stats-payments .stat .label,
.stats-payments .stat .value,
.stats-payments .stat .hint {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stats-payments .stat .value {
  font-size: 1.85rem;
  line-height: 1.2;
}

.stat {
  background: var(--white);
  border: 1px solid var(--gray-line);
  padding: 20px 18px;
  box-shadow: var(--shadow);
}

button.stat-toggle {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

button.stat-toggle:hover {
  border-color: #9eb6d0;
}

button.stat-toggle.accent:hover {
  filter: brightness(1.05);
}

.stat .label {
  color: var(--gray);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 9px;
}

.stat-toggle .label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.stat-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  border: 1px solid #c5ccd6;
  background: #eef2f7;
  color: #5b6573;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1;
  flex-shrink: 0;
}

.stat-toggle.accent .stat-arrow {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

.stat-toggle.danger .stat-arrow {
  border-color: #e0b4b4;
  background: #f7e8e8;
  color: #a66;
}

.stat .value {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--navy);
}

.stat .hint {
  margin-top: 7px;
  color: var(--gray-muted);
  font-size: 0.94rem;
}

.stat.accent {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: var(--white);
  border-color: transparent;
}

.stat.accent .label,
.stat.accent .hint,
.stat.accent .value {
  color: var(--white);
}

.stat.accent .hint { opacity: 0.8; }

.stat.danger
{
  border-color: #e0b4b4;
  background: #faf2f2;
}

.stat.danger .label,
.stat.danger .hint
{
  color: #a66;
}

.stat.danger .value
{
  color: #b54a4a;
  font-size: 1.27rem;
  letter-spacing: 0.02em;
}

.refunded-defective
{
  color: #b54a4a;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--gray-line);
  padding-bottom: 12px;
}

.tab {
  border: 1px solid var(--gray-line);
  background: var(--white);
  color: var(--gray);
  padding: 10px 14px;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}

.tab.active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.payments-list {
  display: flex;
  flex-direction: column;
}

.payment-head {
  display: grid;
  grid-template-columns: 24px 120px 120px 100px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px 16px;
  background: #eef2f7;
  color: var(--gray);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--gray-line);
}

.payment-card {
  border-bottom: 1px solid var(--gray-line);
}

.payment-card:last-child {
  border-bottom: 0;
}

.payment-row {
  width: 100%;
  display: grid;
  grid-template-columns: 24px 120px 120px 100px 1fr;
  gap: 12px;
  align-items: center;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 14px 16px;
  cursor: pointer;
  font: inherit;
  color: var(--navy);
}

.payment-row:hover {
  background: #f7f9fc;
}

.payment-card.open .payment-row {
  background: #eef2f7;
}

.payment-chevron {
  color: var(--gray-muted);
  font-size: 0.85rem;
}

.payment-date {
  font-weight: 600;
}

.payment-amount {
  font-weight: 700;
}

.payment-count {
  color: var(--gray);
  font-size: 0.88rem;
}

.payment-note {
  color: var(--gray-muted);
  font-size: 0.88rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.payment-items {
  padding: 0 16px 14px 40px;
  background: #fafbfd;
}

.payment-items table {
  background: var(--white);
  border: 1px solid var(--gray-line);
}

.payment-items .empty-items,
.empty-items {
  padding: 12px 16px 16px 40px;
  color: var(--gray-muted);
  font-size: 0.9rem;
}

.panel {
  background: var(--white);
  border: 1px solid var(--gray-line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--gray-line);
  font-size: 0.92rem;
  vertical-align: top;
}

th {
  background: #eef2f7;
  color: var(--gray);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

th.sortable {
  cursor: pointer;
  user-select: none;
}

th.sortable:hover {
  color: var(--navy);
  background: #e4ebf4;
}

.thumb {
  width: 52px;
  height: 52px;
  object-fit: cover;
  display: block;
  background: #eef2f7;
  border: 1px solid var(--gray-line);
}

.thumb-empty {
  width: 52px;
  height: 52px;
  background: repeating-linear-gradient(
    -45deg,
    #eef2f7,
    #eef2f7 4px,
    #e4ebf4 4px,
    #e4ebf4 8px
  );
  border: 1px solid var(--gray-line);
}

td:first-child {
  width: 64px;
}

tr:last-child td { border-bottom: 0; }

.empty {
  padding: 28px 16px;
  color: var(--gray);
  text-align: center;
}

.loading {
  min-height: 40vh;
  display: grid;
  place-items: center;
  color: var(--gray);
}

@media (max-width: 1100px) {
  .stats { flex-wrap: wrap; }
  .stats .stat { flex: 1 1 calc(33.333% - 13px); }
}

@media (max-width: 900px) {
  .stats { flex-wrap: wrap; }
  .stats .stat { flex: 1 1 calc(50% - 13px); }
  .stats-payments {
    flex-wrap: wrap;
  }
  .stats-payments .stat {
    flex: 1 1 100%;
    width: 100%;
  }
  .payment-head { display: none; }
  .payment-row {
    grid-template-columns: 24px 1fr 1fr;
    grid-template-rows: auto auto;
  }
  .payment-note { grid-column: 2 / -1; }
}

@media (max-width: 560px) {
  .stats { flex-wrap: wrap; }
  .stats .stat { flex: 1 1 100%; }
  .topbar {
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 14px 16px 12px;
  }
  .topbar > div:first-child {
    width: 100%;
    text-align: center;
    padding: 0 64px;
  }
  .topbar .brand-title {
    font-size: 1.25rem;
  }
  .topnav {
    width: 100%;
    flex: none;
    justify-content: center;
  }
  .topbar-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
  }
  .topbar-actions .btn-ghost {
    border: none;
    background: transparent;
    color: var(--gray-muted);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 6px 8px;
    opacity: 0.7;
  }
  .topbar-actions .btn-ghost:hover {
    opacity: 1;
    color: var(--gray);
    background: transparent;
  }
  .payment-items { padding-left: 16px; }
}

.ebay-link {
  color: inherit;
  text-decoration: none;
}
.ebay-link:hover {
  text-decoration: underline;
  color: #1d4ed8;
}
.ebay-link .thumb {
  display: block;
}

.money-sale {
  color: var(--ok);
  font-weight: 700;
}

.money-cost {
  color: #b54a4a;
  font-weight: 600;
}
.ebay-title-link {
  color: #1d4ed8;
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
}
.ebay-title-link:hover {
  color: #1e40af;
}