:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --sidebar: #080b0f;
  --surface: #141a21;
  --surface-2: #1a222b;
  --surface-3: #202a34;
  --ink: #f8fafc;
  --muted: #a7b0ba;
  --line: #2b3743;
  --accent: #2dd4bf;
  --accent-strong: #14b8a6;
  --gold: #f6c76b;
  --danger: #fb7185;
  --shadow: 0 12px 34px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  display: grid;
  grid-template-columns: 250px 1fr;
  background: var(--bg);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px;
  background: var(--sidebar);
  border-right: 1px solid var(--line);
  color: var(--ink);
  display: flex;
  flex-direction: column;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 34px;
}

.brand strong {
  font-size: 18px;
}

.brand span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: var(--accent);
  background: rgba(45, 212, 191, 0.08);
  font-weight: 900;
}

nav {
  display: grid;
  gap: 8px;
}

nav a {
  color: #cbd5e1;
  text-decoration: none;
  padding: 12px;
  border-radius: 8px;
  font-weight: 800;
}

nav a:hover {
  color: var(--ink);
  background: #111821;
}

nav a.active {
  color: #06201d;
  background: var(--accent);
}

.logout-btn {
  margin-top: auto;
  width: 100%;
  border: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
}

.logout-btn:hover {
  color: var(--ink);
  background: #111821;
}

main {
  padding: 28px;
  display: grid;
  gap: 22px;
}

.topbar,
.panel-head,
.order-footer,
.row,
.drink-card header,
.member-card header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 32px;
  letter-spacing: 0;
}

h2 {
  font-size: 18px;
}

.page-desc {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 900;
  margin-bottom: 5px;
}

button {
  border: 0;
  background: var(--accent);
  color: #06201d;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 900;
  cursor: pointer;
}

button:hover {
  background: var(--accent-strong);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.hero-strip,
.metrics article,
.panel,
.ops-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-strip {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  min-height: 150px;
  padding: 24px;
  background: linear-gradient(135deg, #151d26, #111720);
}

.hero-strip h2 {
  font-size: 26px;
  margin-bottom: 10px;
}

.hero-strip p {
  color: var(--muted);
}

.signal-grid {
  min-width: 180px;
  padding: 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.signal-grid span,
.signal-grid small,
.ops-card span,
.metrics span,
label,
.muted {
  color: var(--muted);
  font-size: 13px;
}

.signal-grid strong {
  display: block;
  margin: 10px 0 4px;
  color: var(--gold);
  font-size: 42px;
}

.metrics,
.ops-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.ops-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metrics article,
.ops-card {
  padding: 18px;
}

.metrics strong,
.ops-card strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 30px;
}

.metrics article:first-child strong,
#selectedBalance,
#orderTotal {
  color: var(--gold);
}

.ops-card p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.workbench,
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(330px, 0.8fr);
  gap: 18px;
  align-items: start;
}

.panel {
  padding: 18px;
}

.order-panel {
  border-color: rgba(45, 212, 191, 0.42);
}

.stack {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #3a4653;
  border-radius: 8px;
  min-height: 46px;
  padding: 10px 12px;
  color: var(--ink);
  background: #0f141b;
  font: inherit;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.14);
}

textarea {
  resize: vertical;
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.drink-card,
.member-card,
.row,
.timeline-item,
.note-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.drink-card {
  padding: 14px;
  display: grid;
  gap: 12px;
}

.drink-card strong,
.member-card strong,
.row strong,
.timeline-item strong,
.note-box strong {
  color: var(--ink);
}

.qty {
  display: grid;
  grid-template-columns: 40px 52px 40px;
  gap: 8px;
  align-items: center;
}

.qty button {
  min-height: 38px;
  padding: 0;
  font-size: 20px;
}

.qty span {
  min-height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #0f141b;
  color: var(--ink);
  font-weight: 900;
}

.order-footer {
  position: sticky;
  bottom: 18px;
  margin-top: 8px;
  padding: 14px;
  border: 1px solid rgba(246, 199, 107, 0.36);
  border-radius: 8px;
  background: #10161d;
}

.order-footer strong {
  font-size: 24px;
}

.order-footer button {
  min-width: 150px;
  min-height: 48px;
}

.member-list,
.table,
.timeline {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.member-card {
  padding: 14px;
}

.member-card header strong {
  font-size: 17px;
}

.member-meta {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.member-meta div {
  padding: 10px;
  border-radius: 8px;
  background: var(--surface-3);
}

.member-meta span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.invite-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--accent);
  font-weight: 900;
}

.row {
  padding: 12px;
}

.status {
  display: inline-block;
  margin-left: 10px;
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(45, 212, 191, 0.13);
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.timeline-item {
  padding: 12px;
}

.note-box {
  margin-top: 16px;
  padding: 14px;
  background: #111821;
}

.note-box p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.api-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.login-page {
  display: block;
  background:
    radial-gradient(circle at 20% 20%, rgba(45, 212, 191, 0.12), transparent 28%),
    var(--bg);
}

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

.login-panel {
  width: min(420px, 100%);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

code {
  display: block;
  white-space: normal;
  overflow-wrap: anywhere;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #0f141b;
  color: #dff8ef;
}

#toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  min-width: 220px;
  max-width: 360px;
  padding: 12px 14px;
  border-radius: 8px;
  color: #06201d;
  background: var(--accent);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: 0.2s ease;
  font-weight: 900;
}

#toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  body {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .metrics,
  .ops-grid,
  .workbench,
  .split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  main {
    padding: 18px;
  }

  nav {
    grid-template-columns: 1fr 1fr;
  }

  .topbar,
  .panel-head,
  .order-footer,
  .row,
  .hero-strip {
    align-items: flex-start;
    flex-direction: column;
  }

  .member-meta {
    grid-template-columns: 1fr;
  }
}