:root {
  --green: #38c8a0;
  --green-dark: #2aa082;
  --bg: #f4f7f8;
  --card: #ffffff;
  --text: #2e3a3d;
  --muted: #6e7a7e;
  --border: #d9e2e6;
  --danger: #d9534f;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}
.site-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  padding: 24px 32px;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.site-header h1 { margin: 0; font-size: 28px; }
.subtitle { margin: 6px 0 0; color: var(--muted); }
.header-actions, .toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.page {
  max-width: 1400px;
  margin: 24px auto;
  padding: 0 24px 32px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 6px 18px rgba(40, 70, 80, 0.04);
}
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: 8px;
  background: var(--green);
  color: white;
  padding: 10px 14px;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: var(--green-dark); }
.btn-light {
  background: #edf7f4;
  color: var(--green-dark);
  border: 1px solid #b7eadb;
}
.btn-danger { background: var(--danger); }
.btn-sm { padding: 7px 10px; font-size: 13px; }
.alert {
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
}
.alert.success { background: #e9f8f3; color: #246e59; border: 1px solid #bbe8da; }
.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.filter-form {
  margin: 14px 0 10px;
}
.filter-label {
  min-width: min(360px, 100%);
}
.help-text, .muted { color: var(--muted); font-size: 14px; }
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}
.ppt-table {
  min-width: 900px;
}
th, td {
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  text-align: left;
  vertical-align: middle;
  font-size: 14px;
}
th { background: #f8fbfb; }
.thumb {
  width: 84px;
  height: 56px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.preview {
  display: block;
  margin-top: 10px;
  width: 240px;
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.seq-input {
  width: 88px;
}
.center { text-align: center; }
.actions-cell {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.property-form fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 18px 0;
  padding: 16px;
}
.property-form legend {
  padding: 0 8px;
  font-weight: 700;
}
.form-grid {
  display: grid;
  gap: 14px;
}
.cols-1 { grid-template-columns: 1fr; }
.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.compact-grid span { font-size: 12px; }
label { display: flex; flex-direction: column; gap: 6px; }
label span { font-size: 14px; color: var(--muted); }
input[type="text"], input[type="number"], textarea, input[type="file"] {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  background: #fff;
}
textarea {
  min-height: 80px;
  resize: vertical;
}
.full { grid-column: 1 / -1; }
@media (max-width: 1024px) {
  .cols-4, .cols-3, .cols-2 { grid-template-columns: 1fr; }
  .site-header { flex-direction: column; }
}

.property-page-card {
  padding: 16px;
}
.form-title-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 12px;
}
.form-title-row h2 {
  margin: 0;
  font-size: 22px;
}
.property-editor-shell {
  display: grid;
  grid-template-columns: minmax(520px, 1fr) minmax(420px, 540px);
  gap: 16px;
  align-items: start;
}
.property-form-panel {
  min-width: 0;
}
.compact-property-form fieldset {
  margin: 10px 0;
  padding: 12px;
  border-radius: 8px;
}
.compact-property-form legend {
  font-size: 14px;
}
.compact-property-form .form-grid {
  gap: 8px 10px;
}
.form-row-compact {
  margin-bottom: 10px;
}
.compact-property-form label {
  gap: 4px;
}
.compact-property-form label span {
  font-size: 12px;
}
.compact-property-form input[type="text"],
.compact-property-form input[type="number"],
.compact-property-form textarea,
.compact-property-form input[type="file"] {
  border-radius: 6px;
  padding: 7px 9px;
  font-size: 13px;
}
.compact-property-form textarea {
  min-height: 52px;
}
.metric-input-grid {
  margin-top: 8px;
}
.property-preview-panel {
  position: sticky;
  top: 16px;
  min-width: 0;
  background: #eef4f2;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}
.property-preview-panel-standalone {
  position: relative;
  top: auto;
  max-width: 1180px;
  margin: 0 auto;
}
.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.preview-toolbar strong {
  font-size: 15px;
}
.property-slide-preview {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #fff;
  border: 1px solid #cfdadf;
  box-shadow: 0 8px 22px rgba(28, 49, 55, 0.12);
  padding: 3.1%;
  display: flex;
  flex-direction: column;
  gap: 2%;
  color: #203035;
  font-size: clamp(7px, 0.72vw, 13px);
}
.slide-heading {
  display: flex;
  align-items: center;
  min-height: 8%;
  font-size: 1.8em;
  font-weight: 700;
}
.slide-accent {
  height: 1.2%;
  background: var(--green);
}
.slide-main {
  flex: 1;
  display: grid;
  grid-template-columns: 1.05fr 1.05fr 0.92fr;
  gap: 2.2%;
  min-height: 0;
}
.slide-left,
.slide-center,
.slide-right {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2.2%;
}
.slide-image,
.slide-plan {
  background: #e8eef0;
  border: 1px solid #d0dcdf;
  color: #849195;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.slide-image {
  flex: 1;
  min-height: 48%;
}
.slide-plan {
  min-height: 28%;
  background-size: contain;
  background-repeat: no-repeat;
}
.slide-image.has-image span,
.slide-plan.has-image span {
  display: none;
}
.slide-info-list,
.unit-card,
.right-preview-card,
.walk-card,
.preview-metric {
  border: 1px solid #cfdadf;
  background: #f8fbfa;
}
.slide-info-list {
  display: grid;
  grid-template-columns: 1fr;
}
.slide-info-list div,
.unit-card div {
  display: grid;
  grid-template-columns: 44% 1fr;
  gap: 4px;
  padding: 2.2% 3%;
  border-bottom: 1px solid #dce6e8;
}
.slide-info-list div:last-child,
.unit-card div:last-child {
  border-bottom: 0;
}
.slide-info-list span,
.unit-card span,
.preview-metric span,
.right-preview-card span,
.slide-price-bar span {
  color: #607176;
}
.slide-info-list strong,
.unit-card strong,
.preview-metric strong,
.right-preview-card strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-weight: 700;
}
.walk-card {
  min-height: 13%;
  display: flex;
  align-items: center;
  padding: 2.8%;
  overflow-wrap: anywhere;
  font-weight: 700;
}
.preview-metrics {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2%;
}
.preview-metric {
  min-width: 0;
  padding: 4%;
  display: grid;
  gap: 4px;
}
.unit-card {
  display: grid;
}
.right-preview-card {
  min-height: 12%;
  padding: 3.5%;
  display: grid;
  gap: 4px;
  overflow: hidden;
}
.right-preview-card strong {
  white-space: pre-line;
}
.slide-price-bar {
  display: grid;
  grid-template-columns: auto minmax(90px, 1fr) minmax(0, 2fr);
  align-items: center;
  gap: 2%;
  min-height: 9%;
  padding: 0 2%;
  background: #2d6f64;
  color: #fff;
}
.slide-price-bar span {
  color: rgba(255, 255, 255, 0.82);
}
.slide-price-bar strong,
.slide-price-bar em {
  min-width: 0;
  overflow-wrap: anywhere;
}
.slide-price-bar em {
  font-style: normal;
  color: rgba(255, 255, 255, 0.82);
}
body.preview-fullscreen-open {
  overflow: hidden;
}
.property-preview-panel.is-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  border-radius: 0;
  padding: 18px;
  display: flex;
  flex-direction: column;
}
.property-preview-panel.is-fullscreen .property-slide-preview {
  width: min(100%, calc((100vh - 88px) * 16 / 9));
  max-height: calc(100vh - 88px);
  margin: auto;
  font-size: clamp(10px, 1.05vw, 18px);
}
@media (max-width: 1180px) {
  .property-editor-shell {
    grid-template-columns: 1fr;
  }
  .property-preview-panel {
    position: relative;
    top: auto;
  }
  .property-slide-preview {
    max-width: 720px;
    margin: 0 auto;
    font-size: clamp(8px, 1.2vw, 13px);
  }
}
@media (max-width: 760px) {
  .page {
    padding: 0 12px 24px;
  }
  .form-title-row {
    align-items: flex-start;
    flex-direction: column;
  }
  .property-page-card {
    padding: 12px;
  }
  .slide-main {
    grid-template-columns: 1fr 1fr;
  }
  .slide-right {
    display: none;
  }
  .property-preview-panel.is-fullscreen .slide-main {
    grid-template-columns: 1.05fr 1.05fr 0.92fr;
  }
  .property-preview-panel.is-fullscreen .slide-right {
    display: flex;
  }
  .property-preview-panel.is-fullscreen .slide-price-bar {
    grid-template-columns: auto minmax(90px, 1fr) minmax(0, 2fr);
    gap: 2%;
    padding: 0 2%;
  }
  .slide-price-bar {
    grid-template-columns: 1fr;
    gap: 1px;
    padding: 1.5% 2%;
  }
}

.user-line {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.logout-form {
  margin: 0;
}
.auth-card {
  max-width: 520px;
  margin: 48px auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px;
  box-shadow: 0 6px 18px rgba(40, 70, 80, 0.04);
}
.auth-card h2 { margin-top: 0; }
.auth-form {
  display: grid;
  gap: 16px;
}
.alert.danger {
  background: #fff0ef;
  color: #9d2f2a;
  border: 1px solid #f2c1bd;
}
.security-note p { margin-bottom: 0; color: var(--muted); }
.checkbox-label {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding-top: 27px;
  color: var(--text);
}
.checkbox-label input { width: auto; }

.logout-form { margin: 0; }
.security-note p { margin: 6px 0 0; color: var(--muted); line-height: 1.6; }
.auth-card {
  max-width: 460px;
  margin: 60px auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 8px 24px rgba(40, 70, 80, 0.06);
}
.auth-card h2 { margin-top: 0; }
.auth-form { display: grid; gap: 16px; }
.alert.error { background: #fff3f3; color: #9d2b2b; border: 1px solid #f0c5c5; }
.narrow-form { max-width: 520px; display: grid; gap: 16px; }
.checkbox-label { justify-content: flex-end; }
.checkbox-label input { width: auto; }
.user-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.user-actions form { margin: 0; }
.reset-password-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.reset-password-form input { max-width: 140px; padding: 7px 10px; }

.user-chip {
  display: inline-flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: 999px;
  background: #f2f7f7;
  color: var(--muted);
  border: 1px solid var(--border);
  font-size: 14px;
}
.inline-delete {
  display: inline-flex;
  margin: 0;
}
.auth-card {
  max-width: 520px;
  margin: 48px auto;
}
.auth-form {
  display: grid;
  gap: 16px;
}
.alert.error {
  background: #fff0ef;
  color: #a33a35;
  border: 1px solid #f2c4c1;
}
.alert.warning {
  background: #fff9e8;
  color: #7d5b12;
  border: 1px solid #f1d79a;
}
.security-note p {
  margin: 0;
  color: var(--muted);
}
.checkbox-line {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding-top: 28px;
}
.checkbox-line input {
  width: auto;
}
.delete-button {
  white-space: nowrap;
}