:root {
  --bg: #f4f6f8;
  --panel: rgba(255, 255, 255, 0.92);
  --line: #d7dee7;
  --text: #152033;
  --muted: #617086;
  --primary: #1459c7;
  --primary-strong: #0a3b87;
  --accent: #0f8f77;
  --danger: #c0392b;
  --warning: #b7791f;
  --shadow: 0 18px 50px rgba(16, 34, 63, 0.1);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(20, 89, 199, 0.12), transparent 34%),
    radial-gradient(circle at top right, rgba(15, 143, 119, 0.12), transparent 28%),
    linear-gradient(180deg, #f9fbfd 0%, #eef3f8 100%);
}

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

.page-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 28px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 28px;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
}

.brand-block {
  display: flex;
  gap: 16px;
  align-items: center;
}

.brand-block h1,
.panel-header h2,
.auth-card h2,
.preview-card h3,
.form-section h3 {
  margin: 0;
}

.brand-block p,
.panel-header p,
.note-card p,
.empty-state p,
.note-banner p {
  margin: 6px 0 0;
  color: var(--muted);
}

.brand-badge {
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(20, 89, 199, 0.12);
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.brand-logo {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  padding: 6px;
}

.user-bar {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  color: var(--muted);
}

.site-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.site-nav a,
.table-link {
  color: var(--primary);
  font-weight: 600;
}

.content-panel,
.auth-card,
.filter-card,
.table-card,
.note-banner,
.preview-card,
.main-form {
  margin-top: 22px;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.content-panel {
  padding: 24px;
}

.compact-panel {
  padding: 36px 24px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 8px;
}

.header-actions,
.filter-actions,
.form-actions,
.table-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  border: 0;
  border-radius: 14px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
}

.button-secondary {
  background: rgba(20, 89, 199, 0.1);
  color: var(--primary);
}

.button-ghost {
  background: rgba(21, 32, 51, 0.06);
  color: var(--text);
}

.button-danger {
  background: rgba(192, 57, 43, 0.12);
  color: var(--danger);
}

.button-inline {
  padding: 8px 12px;
  font-size: 13px;
}

.alert {
  margin-top: 18px;
  border-radius: 16px;
  padding: 14px 16px;
  font-weight: 600;
}

.alert-success {
  background: rgba(15, 143, 119, 0.12);
  color: #096b5a;
}

.alert-error {
  background: rgba(192, 57, 43, 0.12);
  color: var(--danger);
}

.note-banner,
.note-card {
  background: rgba(20, 89, 199, 0.06);
  border: 1px solid rgba(20, 89, 199, 0.12);
}

.confirm-dialog {
  width: min(100%, 460px);
  padding: 0;
  border: 0;
  background: transparent;
}

.confirm-dialog::backdrop {
  background: rgba(16, 34, 63, 0.32);
  backdrop-filter: blur(3px);
}

.dialog-card {
  padding: 24px;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.dialog-card h3 {
  margin: 0;
}

.dialog-text {
  margin: 12px 0 18px;
  color: var(--muted);
}

.note-banner {
  padding: 18px 20px;
}

.note-card {
  margin-top: 18px;
  padding: 16px;
  border-radius: 18px;
}

.filter-card,
.table-card,
.main-form,
.preview-card {
  padding: 22px;
}

.filter-grid,
.grid {
  display: grid;
  gap: 16px;
}

.filter-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  align-items: end;
}

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

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

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.field span {
  color: var(--text);
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  font: inherit;
  color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(20, 89, 199, 0.12);
  border-color: rgba(20, 89, 199, 0.4);
}

.error-text {
  color: var(--danger);
  font-size: 12px;
}

.form-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.9fr);
  gap: 22px;
  align-items: start;
}

.form-section + .form-section {
  margin-top: 24px;
}

.preview-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.preview-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(97, 112, 134, 0.24);
}

.preview-list span {
  color: var(--muted);
}

.auth-layout {
  min-height: calc(100vh - 56px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 22px;
  padding: 36px 0;
}

.auth-card {
  padding: 34px;
}

.auth-hero {
  width: min(100%, 760px);
  text-align: center;
}

.auth-hero .eyebrow {
  margin-bottom: 10px;
}

.auth-hero h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.2;
  color: var(--text);
}

.auth-login-card {
  width: min(100%, 440px);
}

.stack-form {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.table-meta {
  margin-bottom: 14px;
  color: var(--muted);
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1080px;
}

th,
td {
  padding: 14px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(97, 112, 134, 0.16);
  font-size: 14px;
}

th {
  color: var(--muted);
  font-weight: 700;
  background: rgba(21, 32, 51, 0.03);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(20, 89, 199, 0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.status-locked {
  background: rgba(183, 121, 31, 0.12);
  color: var(--warning);
}

.status-cooperated {
  background: rgba(15, 143, 119, 0.12);
  color: #0b6b5a;
}

.status-available {
  background: rgba(20, 89, 199, 0.12);
  color: var(--primary);
}

.empty-state {
  text-align: center;
  padding: 36px 18px;
}

.small-empty {
  padding: 26px 18px;
}

.is-hidden {
  display: none;
}

@media (max-width: 1080px) {
  .form-layout,
  .panel-header,
  .site-header {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .user-bar {
    align-items: flex-start;
  }

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

@media (max-width: 640px) {
  .auth-layout {
    padding: 20px 0;
  }

  .auth-hero h1 {
    font-size: 28px;
  }

  .brand-badge {
    width: 72px;
    height: 72px;
  }

  .page-shell {
    padding: 16px;
  }

  .content-panel,
  .auth-card,
  .filter-card,
  .table-card,
  .note-banner,
  .preview-card,
  .main-form {
    padding: 18px;
    border-radius: 18px;
  }
}