:root {
  --ink: #f3eadb;
  --muted: #a79e91;
  --paper: #151515;
  --panel: #1e1d1b;
  --line: rgba(219, 190, 126, 0.22);
  --cinnabar: #b3402d;
  --cinnabar-bright: #d45a42;
  --brass: #d8b46a;
  --success: #69b87a;
  --danger: #e07468;
  font-family: "Songti SC", "Noto Serif SC", "PingFang SC", serif;
  color: var(--ink);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 14% -20%, rgba(179, 64, 45, 0.22), transparent 38rem),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 32px 32px, 32px 32px, auto;
}

button,
input {
  font: inherit;
}

.shell {
  width: min(1420px, calc(100% - 40px));
  margin: 0 auto;
  padding: 36px 0 72px;
}

.masthead,
.panel-heading,
.dialog-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.masthead {
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
  margin-bottom: 28px;
}

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

h1 {
  margin-bottom: 6px;
  font-size: clamp(30px, 4vw, 52px);
  letter-spacing: 0.08em;
}

h2 {
  margin-bottom: 0;
  font-size: 24px;
}

.eyebrow,
.section-label {
  color: var(--brass);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.subtitle,
.hint {
  color: var(--muted);
}

.login-card,
.panel,
.summary-card,
dialog {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.035), transparent 60%), var(--panel);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.28);
}

.login-card {
  width: min(520px, 100%);
  margin: 10vh auto 0;
  padding: 34px;
  display: grid;
  gap: 24px;
}

.seal {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 224, 167, 0.48);
  border-radius: 16px;
  background: var(--cinnabar);
  color: #fff3de;
  font-size: 34px;
  box-shadow: inset 0 0 0 5px rgba(0, 0, 0, 0.12);
}

form,
label {
  display: grid;
  gap: 9px;
}

form {
  gap: 18px;
}

label {
  color: #ddd2c2;
  font-size: 14px;
}

fieldset {
  min-width: 0;
  margin: 0;
  border: 1px solid rgba(216, 180, 106, 0.18);
  border-radius: 10px;
  padding: 18px;
}

legend {
  padding: 0 8px;
  color: var(--brass);
  font-size: 13px;
  letter-spacing: 0.06em;
}

label small {
  color: var(--muted);
  font-family: "PingFang SC", sans-serif;
  font-size: 12px;
}

input {
  width: 100%;
  border: 1px solid rgba(216, 180, 106, 0.28);
  border-radius: 8px;
  background: #111;
  color: var(--ink);
  padding: 12px 13px;
  outline: none;
}

input:focus {
  border-color: var(--brass);
  box-shadow: 0 0 0 3px rgba(216, 180, 106, 0.12);
}

.button,
.icon-button {
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  padding: 10px 16px;
  transition: 150ms ease;
}

.button:hover,
.icon-button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--cinnabar);
  border-color: var(--cinnabar-bright);
}

.button--primary:hover {
  background: var(--cinnabar-bright);
}

.button--ghost,
.icon-button {
  background: transparent;
  border-color: var(--line);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.summary-card {
  padding: 20px;
}

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

.summary-card strong {
  display: block;
  margin-top: 8px;
  color: var(--brass);
  font-size: 28px;
}

.panel {
  margin-top: 18px;
  padding: 24px;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.settings-grid fieldset {
  display: grid;
  align-content: start;
  gap: 16px;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.price-section,
.margin-panel {
  display: grid;
  gap: 12px;
  border-top: 1px solid rgba(216, 180, 106, 0.14);
  padding-top: 15px;
}

.price-section--cost {
  border: 1px solid rgba(216, 180, 106, 0.18);
  border-radius: 9px;
  background: rgba(216, 180, 106, 0.035);
  padding: 15px;
}

.price-section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.price-section-heading strong {
  color: var(--brass);
  font-size: 14px;
}

.price-section-heading small {
  color: var(--muted);
  font-family: "PingFang SC", sans-serif;
  font-size: 11px;
  text-align: right;
}

.margin-panel {
  border: 1px solid rgba(105, 184, 122, 0.2);
  border-radius: 9px;
  background: rgba(105, 184, 122, 0.045);
  padding: 15px;
}

.margin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.margin-grid div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid rgba(105, 184, 122, 0.12);
  padding: 7px 0;
}

.margin-grid span {
  color: var(--muted);
  font-size: 12px;
}

.margin-grid output {
  color: var(--success);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.margin-grid output.is-negative {
  color: var(--danger);
}

.settings-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.settings-actions .message {
  margin-right: auto;
}

.hint {
  margin: 12px 0 20px;
  font-size: 14px;
}

.table-wrap {
  overflow-x: auto;
}

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

th,
td {
  border-bottom: 1px solid rgba(216, 180, 106, 0.12);
  padding: 14px 12px;
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

td {
  font-family: "PingFang SC", sans-serif;
  font-size: 14px;
}

.user-name {
  font-family: "Songti SC", serif;
  font-size: 16px;
}

.badge {
  display: inline-flex;
  border-radius: 999px;
  padding: 4px 9px;
  background: rgba(105, 184, 122, 0.13);
  color: var(--success);
  font-size: 12px;
}

.badge--danger {
  background: rgba(224, 116, 104, 0.13);
  color: var(--danger);
}

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

.row-actions .button {
  padding: 7px 10px;
  font-size: 12px;
}

.message {
  min-height: 20px;
  margin: 8px 0 0;
  color: var(--danger);
  font-family: "PingFang SC", sans-serif;
  font-size: 13px;
}

.message--success {
  color: var(--success);
}

dialog {
  width: min(520px, calc(100% - 32px));
  border-radius: 12px;
  color: var(--ink);
  padding: 26px;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
}

.icon-button {
  padding: 6px 11px;
  font-size: 20px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

[hidden] {
  display: none !important;
}

@media (max-width: 900px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 24px, 1420px);
    padding-top: 20px;
  }

  .masthead {
    align-items: flex-start;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .price-grid {
    grid-template-columns: 1fr;
  }

  .settings-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .login-card,
  .panel {
    padding: 20px;
  }
}