:root {
  --ink: #162238;
  --muted: #718096;
  --line: #e5eaf1;
  --panel: #fff;
  --bg: #f4f7fb;
  --nav: #0d1f34;
  --nav2: #112c49;
  --brand: #1f7a68;
  --brand2: #32ad8f;
  --danger: #d84a4a;
  --warn: #d89024;
  --blue: #2b6fe8;
  --shadow: 0 12px 32px rgba(20, 38, 65, 0.08);
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select,
textarea {
  font: inherit;
}
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 232px;
  background: linear-gradient(180deg, var(--nav), #0b1829);
  color: #dfeaf7;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  z-index: 10;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px 25px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}
.brand-mark,
.login-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(135deg, #34b797, #19705f);
  color: #fff;
  font-family: serif;
  font-size: 21px;
  box-shadow: 0 8px 24px rgba(48, 177, 146, 0.28);
}
.brand strong {
  display: block;
  font-size: 17px;
}
.brand small {
  display: block;
  margin-top: 4px;
  color: #7ea1bd;
  font-size: 9px;
  letter-spacing: 1.8px;
}
.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 22px;
}
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 13px;
  border-radius: 9px;
  color: #aebfd1;
  font-size: 14px;
}
.sidebar nav a span {
  width: 19px;
  text-align: center;
  font-size: 17px;
}
.sidebar nav a:hover,
.sidebar nav a.active {
  background: linear-gradient(
    90deg,
    rgba(49, 173, 143, 0.22),
    rgba(49, 173, 143, 0.06)
  );
  color: #fff;
}
.sidebar nav a.active {
  box-shadow: inset 3px 0 var(--brand2);
}
.isolation-note {
  margin-top: auto;
  padding: 13px;
  border: 1px solid rgba(72, 200, 169, 0.2);
  background: rgba(32, 122, 104, 0.12);
  border-radius: 10px;
  color: #91a8bd;
  font-size: 11px;
  line-height: 1.7;
}
.isolation-note b {
  color: #5bd0b2;
}
.main {
  margin-left: 232px;
  min-height: 100vh;
}
.topbar {
  height: 64px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(10px);
  color: #596a80;
  font-size: 13px;
}
.secure-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #32b58d;
  margin-right: 8px;
  box-shadow: 0 0 0 4px rgba(50, 181, 141, 0.12);
}
.top-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}
.top-actions form {
  margin: 0;
}
.link-button {
  border: 0;
  background: none;
  color: var(--blue);
  cursor: pointer;
}
.content {
  padding: 28px;
  max-width: 1680px;
  margin: auto;
}
.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}
.page-head h1 {
  font-size: 25px;
  margin: 0 0 6px;
}
.page-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.page-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 20px;
}
.panel + .panel {
  margin-top: 18px;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.panel h2,
.panel h3 {
  margin: 0;
}
.panel h2 {
  font-size: 18px;
}
.panel h3 {
  font-size: 16px;
}
.summary-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.summary-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 17px 18px;
  box-shadow: 0 6px 20px rgba(24, 43, 75, 0.05);
}
.summary-card small {
  color: var(--muted);
}
.summary-card strong {
  display: block;
  font-size: 26px;
  margin-top: 8px;
  letter-spacing: -0.5px;
}
.summary-card.accent {
  background: linear-gradient(135deg, #167563, #239b80);
  color: #fff;
  border: 0;
}
.summary-card.accent small {
  color: #c7eee5;
}
.operator-card {
  margin-bottom: 20px;
}
.operator-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line);
}
.operator-title h2 {
  display: flex;
  align-items: center;
  gap: 10px;
}
.avatar {
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  border-radius: 10px;
  background: #e5f6f1;
  color: #16715f;
}
.money-positive {
  color: #148467;
  font-weight: 700;
}
.money-negative {
  color: var(--danger);
  font-weight: 700;
}
.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}
.data-table th {
  background: #f7f9fc;
  color: #607188;
  font-weight: 600;
  font-size: 12px;
  text-align: left;
  padding: 11px 12px;
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
}
.data-table td {
  padding: 11px 12px;
  border-bottom: 1px solid #edf0f5;
  vertical-align: top;
  font-size: 13px;
}
.data-table tr:last-child td {
  border-bottom: 0;
}
.data-table tbody tr:hover {
  background: #f9fbfd;
}
.data-table tfoot td {
  background: #f3f7fa;
  font-weight: 700;
}
.num {
  text-align: right !important;
  font-variant-numeric: tabular-nums;
}
.center {
  text-align: center !important;
}
.text-link {
  color: var(--blue);
  font-weight: 600;
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.badge.green {
  background: #e2f7ef;
  color: #16745f;
}
.badge.red {
  background: #ffebeb;
  color: #b83b3b;
}
.badge.amber {
  background: #fff3dc;
  color: #9e6512;
}
.badge.blue {
  background: #e8f0ff;
  color: #275fbd;
}
.badge.gray {
  background: #eef1f5;
  color: #657386;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  padding: 9px 14px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
}
.button:hover {
  border-color: #b6c4d6;
}
.button.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}
.button.danger {
  color: #b53b3b;
  border-color: #f2caca;
}
.button.small {
  padding: 6px 10px;
  font-size: 12px;
}
.button.wide {
  width: 100%;
  padding: 12px;
}
.form-control,
.stack-form input {
  width: 100%;
  border: 1px solid #d9e0e9;
  border-radius: 8px;
  background: #fff;
  padding: 9px 11px;
  color: var(--ink);
  outline: none;
}
.form-control:focus,
.stack-form input:focus {
  border-color: #39a88f;
  box-shadow: 0 0 0 3px rgba(57, 168, 143, 0.12);
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.form-grid .span-2 {
  grid-column: span 2;
}
.form-field label,
.stack-form label {
  display: block;
  font-size: 12px;
  color: #596a80;
  font-weight: 600;
}
.form-field .form-control,
.stack-form input {
  margin-top: 7px;
}
.helptext {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-top: 5px;
}
.stack-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.actions-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 16px;
}
.messages {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.message {
  border-radius: 9px;
  padding: 11px 14px;
  background: #e7f6f1;
  color: #176b59;
  border: 1px solid #c7eadf;
}
.message.error {
  background: #fff0f0;
  color: #a83232;
  border-color: #f3cece;
}
.message.warning {
  background: #fff7e6;
  color: #8b5b11;
  border-color: #f1ddba;
}
.muted {
  color: var(--muted);
}
.eyebrow {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--brand);
  font-weight: 800;
}
.two-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.three-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.filter-bar {
  display: flex;
  gap: 10px;
  align-items: end;
  flex-wrap: wrap;
}
.filter-bar label {
  font-size: 11px;
  color: var(--muted);
}
.filter-bar .form-control {
  margin-top: 5px;
  min-width: 140px;
}
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
  color: var(--muted);
}
.definition-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.definition {
  background: #fff;
  padding: 13px;
}
.definition small {
  display: block;
  color: var(--muted);
  margin-bottom: 5px;
}
.formula {
  font-family: Consolas, monospace;
  background: #0d1f34;
  color: #d8eee8;
  border-radius: 10px;
  padding: 14px;
  line-height: 1.8;
  overflow: auto;
}
.source-list {
  margin: 0;
  padding-left: 18px;
  color: #56677d;
  line-height: 1.8;
}
.login-page {
  background: radial-gradient(circle at 20% 20%, #173c4f, #091726 56%, #06111e);
  display: grid;
  place-items: center;
  min-height: 100vh;
}
.login-shell {
  width: min(980px, 92vw);
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 35px 90px rgba(0, 0, 0, 0.35);
}
.login-brand {
  padding: 64px;
  color: white;
  background: linear-gradient(
    145deg,
    rgba(40, 164, 137, 0.22),
    rgba(13, 38, 61, 0.2)
  );
}
.login-brand .login-mark {
  width: 56px;
  height: 56px;
  font-size: 27px;
}
.login-brand p {
  color: #65d6bd;
  font-size: 10px;
  letter-spacing: 2.5px;
  margin-top: 26px;
}
.login-brand h1 {
  font-size: 39px;
  line-height: 1.25;
  margin: 14px 0 30px;
}
.login-features {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.login-features span {
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  padding: 7px 10px;
  color: #a9bdce;
  font-size: 11px;
}
.login-card {
  background: #fff;
  padding: 64px 48px;
}
.login-card h2 {
  font-size: 25px;
  margin: 8px 0;
}
.login-security {
  text-align: center;
  color: #8a98a9;
  font-size: 10px;
  margin: 24px 0 0;
}
.empty {
  padding: 48px 18px;
  text-align: center;
  color: var(--muted);
}
.nowrap {
  white-space: nowrap;
}
.pre-wrap {
  white-space: pre-wrap;
}
.danger-text {
  color: var(--danger);
}
.warning-text {
  color: var(--warn);
}
@media (max-width: 1100px) {
  .summary-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .two-columns,
  .three-columns {
    grid-template-columns: 1fr;
  }
  .definition-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 760px) {
  .sidebar {
    width: 72px;
    padding: 18px 8px;
  }
  .brand {
    padding: 0 7px 20px;
  }
  .brand > span:last-child,
  .sidebar nav a:not(.active) {
    font-size: 0;
  }
  .sidebar nav a {
    justify-content: center;
    padding: 12px;
  }
  .sidebar nav a span {
    font-size: 18px;
  }
  .isolation-note {
    display: none;
  }
  .main {
    margin-left: 72px;
  }
  .content {
    padding: 16px;
  }
  .topbar {
    padding: 0 14px;
  }
  .summary-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-grid .span-2 {
    grid-column: auto;
  }
  .login-shell {
    grid-template-columns: 1fr;
  }
  .login-brand {
    display: none;
  }
  .login-card {
    padding: 42px 26px;
  }
}

/* Daily finance operations */
.sidebar {
  overflow-y: auto;
}
.sidebar nav {
  flex: 0 0 auto;
}
.nav-label {
  display: block;
  margin: 17px 12px 5px;
  color: #658099;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.isolation-note {
  flex: 0 0 auto;
  margin-top: 18px;
}
.daily-layout {
  grid-template-columns: minmax(300px, 0.72fr) minmax(460px, 1.28fr);
}
.batch-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 335px;
  overflow: auto;
}
.batch-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 9px;
}
.batch-item:hover,
.batch-item.active {
  border-color: #65b7a3;
  background: #effaf7;
}
.batch-item span,
.table-note {
  display: block;
}
.batch-item small,
.table-note {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}
.batch-item b {
  font-size: 12px;
  white-space: nowrap;
}
.inventory-layout {
  grid-template-columns: 310px minmax(0, 1fr);
}
.inventory-form-panel {
  align-self: start;
  position: sticky;
  top: 82px;
}
.inventory-table {
  min-width: 1050px;
}
.inventory-row.danger {
  background: #fff0f0;
}
.inventory-row.warning {
  background: #fff8e7;
}
.inventory-row.danger .stock-value {
  color: #bd3131;
  font-size: 17px;
  font-weight: 800;
}
.inventory-row.warning .stock-value {
  color: #a6670f;
  font-size: 17px;
  font-weight: 800;
}
.legend {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  margin-right: 4px;
}
.legend.danger {
  background: #e85858;
}
.legend.warning {
  background: #e5a83b;
}
.summary-card > span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
}
.danger-card {
  border-color: #f1caca;
  background: #fffafa;
}
.danger-card strong {
  color: var(--danger);
}
.warning-card {
  border-color: #f0ddb4;
  background: #fffaf1;
}
.warning-card strong {
  color: var(--warn);
}
.followup-row {
  background: #fff5f5;
}
.followup-row:hover {
  background: #ffeded !important;
}
.purchase-form {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.purchase-form .span-2 {
  grid-column: span 3;
}
.form-field textarea.form-control {
  resize: vertical;
}
.data-table td {
  line-height: 1.45;
}

@media (max-width: 1280px) {
  .daily-layout,
  .inventory-layout {
    grid-template-columns: 1fr;
  }
  .inventory-form-panel {
    position: static;
  }
  .purchase-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .purchase-form .span-2 {
    grid-column: span 2;
  }
}

@media (max-width: 760px) {
  .nav-label {
    display: none;
  }
  .purchase-form {
    grid-template-columns: 1fr;
  }
  .purchase-form .span-2 {
    grid-column: auto;
  }
}