:root {
  --ink: #141a18;
  --muted: #68736d;
  --green: #0d6b45;
  --gold: #c58a2f;
  --red: #be3b2f;
  --line: #e2e7df;
  --bg: #f6f3eb;
  --panel: #ffffff;
  --deep: #101f1a;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(13, 107, 69, 0.08), transparent 360px),
    var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: #fff;
  outline: 0;
}

input,
select {
  min-height: 42px;
}

textarea {
  min-height: 84px;
  padding-top: 10px;
  resize: vertical;
}

.shell {
  display: grid;
  grid-template-columns: 248px 1fr;
  min-height: 100vh;
}

.auth-locked .shell {
  grid-template-columns: 1fr;
}

.auth-locked .side,
.auth-locked .top {
  display: none;
}

.auth-locked .main {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 28px;
}

.auth-locked .login-card {
  width: min(920px, 100%);
}

.side {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 22px 16px;
  background: var(--deep);
  color: #fff;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
}

.brand span {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  color: var(--green);
  font-weight: 900;
  font-size: 20px;
}

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

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

.side nav button,
.store-link,
#logoutBtn,
.panel-head button,
.quick-form button,
.product-form button,
.table button,
.login-card button,
.settings-actions button {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  font-weight: 800;
}

.side nav button {
  padding: 0 12px;
  background: transparent;
  color: rgba(255, 255, 255, 0.74);
  text-align: left;
}

.side nav .is-active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.store-link {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  background: #fff;
  color: var(--green);
}

.main {
  min-width: 0;
  padding: 28px;
}

.top,
.panel-head,
.settings-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.top {
  margin-bottom: 22px;
}

.top span,
.panel-head span,
.login-card span {
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.top h1,
.panel-head h2,
.login-card h2 {
  margin: 6px 0 0;
}

#logoutBtn,
.panel-head button {
  padding: 0 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--green);
}

.login-card,
.panel,
.cards article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 16px 44px rgba(20, 26, 24, 0.08);
}

.login-card {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 28px;
  max-width: 860px;
  padding: 36px;
}

.login-card p {
  color: var(--muted);
  line-height: 1.7;
}

.login-card form,
.login-card label,
.settings-form label {
  display: grid;
  gap: 10px;
}

.login-card button,
.quick-form button,
.product-form button,
.table button,
.settings-actions button {
  background: linear-gradient(135deg, var(--green), #183f31);
  color: #fff;
}

#loginMsg {
  min-height: 18px;
  color: var(--red);
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.cards article {
  padding: 18px;
}

.cards b {
  display: block;
  color: var(--green);
  font-size: 28px;
}

.cards span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.panel {
  padding: 22px;
}

.settings-form,
.product-form {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.settings-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.settings-form label:nth-child(4),
.settings-form label:nth-child(6),
.settings-form .upload-box,
.settings-actions {
  grid-column: 1 / -1;
}

.upload-box,
.mini-upload {
  border: 1px dashed rgba(13, 107, 69, 0.34);
  border-radius: 8px;
  padding: 14px;
  background: #f6fbf7;
  color: var(--green);
  font-weight: 800;
}

.upload-box small {
  color: var(--muted);
  font-weight: 500;
}

.logo-preview {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  overflow: hidden;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--deep), var(--green));
  color: #fff;
  font-size: 28px;
  font-weight: 900;
}

.logo-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quick-form {
  display: grid;
  gap: 8px;
  margin: 18px 0;
}

.quick-form--category {
  grid-template-columns: 1fr 1.4fr 120px 120px;
}

.product-form {
  grid-template-columns: 1.4fr 0.9fr 0.8fr 1fr repeat(3, 0.65fr);
}

.product-form textarea,
.product-form .upload-box,
.product-form button {
  grid-column: span 2;
}

.table {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.row {
  display: grid;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.row--category {
  grid-template-columns: 1fr 1.5fr 120px 110px 90px;
}

.row--order {
  grid-template-columns: 0.9fr 0.9fr 1.2fr 0.75fr 0.9fr 1fr 90px;
}

.row--customer {
  grid-template-columns: 1fr 0.8fr 0.8fr 1.8fr;
}

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

.row strong {
  line-height: 1.4;
}

.table-head {
  background: #edf5ef;
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.product-table {
  gap: 14px;
}

.product-editor {
  display: grid;
  grid-template-columns: 154px 1fr;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.product-editor img {
  width: 154px;
  height: 190px;
  border-radius: 8px;
  object-fit: cover;
  background: #ece6dc;
}

.product-editor__fields {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.7fr 1fr repeat(4, 0.6fr) 84px 104px;
  gap: 8px;
}

.product-editor__fields textarea {
  grid-column: span 4;
}

.mini-upload {
  display: grid;
  place-items: center;
  min-height: 42px;
  padding: 0 8px;
}

.mini-upload input {
  display: none;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.timeline article {
  min-height: 140px;
  padding: 18px;
  border-radius: 8px;
  background: #f5f8f5;
}

.timeline b,
.timeline strong,
.timeline span {
  display: block;
}

.timeline b {
  color: var(--gold);
}

.timeline strong {
  margin-top: 16px;
  font-size: 20px;
}

.timeline span {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.55;
}

.empty {
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  border-radius: 999px;
  padding: 11px 18px;
  background: rgba(16, 31, 26, 0.94);
  color: #fff;
  transition: 0.2s ease;
}

.toast.is-visible {
  transform: translate(-50%, 0);
  opacity: 1;
}

@media (max-width: 1180px) {
  .shell {
    grid-template-columns: 1fr;
  }

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

  .side nav,
  .cards,
  .timeline,
  .settings-form,
  .product-form,
  .quick-form--category,
  .product-editor,
  .product-editor__fields {
    grid-template-columns: 1fr;
  }

  .product-form textarea,
  .product-form .upload-box,
  .product-form button,
  .settings-form label:nth-child(4),
  .settings-form label:nth-child(6),
  .settings-form .upload-box,
  .settings-actions,
  .product-editor__fields textarea {
    grid-column: auto;
  }
}

@media (max-width: 760px) {
  .main {
    padding: 18px;
  }

  .login-card,
  .row--category,
  .row--order,
  .row--customer {
    grid-template-columns: 1fr;
  }

  .top,
  .panel-head,
  .settings-actions {
    align-items: flex-start;
    flex-direction: column;
  }
}