:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --line: rgba(18, 38, 55, .12);
  --text: #21384f;
  --muted: #66717c;
  --primary: #0284C7;
  --accent: #06B6D4;
  --danger: #dc2626;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 70% 0%, rgba(6,182,212,.16), transparent 34%),
    linear-gradient(180deg, #fbfdff, var(--bg));
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

button {
  cursor: pointer;
}

.hidden { display: none !important; }

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

.login-panel,
.panel,
.stat-grid article,
.sidebar,
.topbar,
.table-wrap {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 22px 70px rgba(15, 23, 42, .08);
}

.login-panel {
  width: min(520px, 100%);
  padding: 34px;
}

.brand-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 900;
}

.brand-row strong,
.brand-row small {
  display: block;
}

.brand-row small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.login-panel h1 {
  margin-top: 28px;
  font-size: 34px;
}

.login-panel p,
.panel-head p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.7;
}

.stack-form {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.stack-form label {
  display: grid;
  gap: 8px;
}

.stack-form span {
  color: #35475a;
  font-size: 13px;
  font-weight: 760;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  outline: none;
}

input,
select {
  height: 44px;
  padding: 0 12px;
}

textarea {
  resize: vertical;
  padding: 12px;
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(6,182,212,.7);
  box-shadow: 0 0 0 4px rgba(6,182,212,.1);
}

button,
.top-actions a {
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid rgba(2,132,199,.2);
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 760;
  text-decoration: none;
}

button.secondary {
  color: var(--primary);
  background: #fff;
}

button.danger {
  border-color: rgba(220,38,38,.25);
  background: var(--danger);
}

output,
.notice {
  color: var(--primary);
  font-size: 14px;
  min-height: 20px;
}

.console-view {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  min-height: 100vh;
  gap: 18px;
  padding: 18px;
}

.sidebar {
  position: sticky;
  top: 18px;
  height: calc(100vh - 36px);
  padding: 20px;
}

.side-nav {
  display: grid;
  gap: 8px;
  margin-top: 30px;
}

.side-nav button,
.logout {
  justify-content: flex-start;
  width: 100%;
  color: var(--text);
  border-color: transparent;
  background: transparent;
  text-align: left;
}

.side-nav button.active,
.side-nav button:hover {
  color: var(--primary);
  background: rgba(2,132,199,.08);
}

.logout {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  width: calc(100% - 40px);
}

.workspace {
  display: grid;
  align-content: start;
  gap: 18px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 22px;
}

.eyebrow {
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
}

.topbar h2 {
  margin-top: 6px;
  font-size: 30px;
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.filters input {
  width: min(260px, 100%);
}

.filters select {
  width: 150px;
}

.view-panel {
  display: grid;
  gap: 18px;
}

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

.stat-grid article {
  padding: 22px;
}

.stat-grid span {
  color: var(--muted);
}

.stat-grid strong {
  display: block;
  margin-top: 10px;
  font-size: 34px;
}

.panel,
.table-wrap {
  padding: 22px;
}

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

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 820px;
}

th,
td {
  padding: 13px 10px;
  border-bottom: 1px solid rgba(18,38,55,.08);
  text-align: left;
  vertical-align: top;
}

th {
  color: #415064;
  font-size: 13px;
}

td {
  color: #26384d;
  font-size: 14px;
}

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

.inline-actions button {
  min-height: 32px;
  padding: 0 10px;
  font-size: 13px;
}

.product-editor-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, .9fr);
  gap: 18px;
}

.recruitment-admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
  gap: 18px;
}

.recruitment-detail {
  display: grid;
  align-content: start;
  gap: 10px;
}

.recruitment-detail p { margin: 0; line-height: 1.55; overflow-wrap: anywhere; }
.recruitment-detail button, .recruitment-detail select { margin-top: 8px; }
.expiry-warning { padding: 10px; border-radius: 8px; background: #fff7ed; color: #c2410c; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 12px; }
.pagination button { min-height: 34px; padding: 0 12px; }
.pagination button:disabled { cursor: not-allowed; opacity: .45; }
.pagination span { color: var(--muted); font-size: 14px; }

.two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

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

.log-list article {
  padding: 12px;
  border: 1px solid rgba(18,38,55,.08);
  border-radius: 10px;
  background: #f8fafc;
}

.log-list strong {
  display: block;
}

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

@media (max-width: 980px) {
  .console-view,
  .product-editor-grid {
    grid-template-columns: 1fr;
  }

  .recruitment-admin-grid { grid-template-columns: 1fr; }

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

  .logout {
    position: static;
    width: 100%;
    margin-top: 20px;
  }

  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .console-view {
    padding: 12px;
  }

  .topbar,
  .panel-head,
  .filters {
    align-items: stretch;
    flex-direction: column;
  }

  .filters input,
  .filters select {
    width: 100%;
  }

  .stat-grid,
  .two-cols {
    grid-template-columns: 1fr;
  }
}