:root {
  color-scheme: light;
  --brand-blue: #1f5eff;
  --brand-blue-deep: #143fbb;
  --brand-navy: #102743;
  --brand-sky: #eef4ff;
  --page-bg: #f3f7fc;
  --card-bg: rgba(255, 255, 255, 0.92);
  --text-main: #17324d;
  --text-secondary: #5a718d;
  --border-soft: #d7e3f0;
  --border-strong: #b8cbe3;
  --danger-bg: #fff1f0;
  --danger-text: #b42318;
  --success-soft: #eef4ff;
  --shadow-soft: 0 20px 50px rgba(16, 39, 67, 0.10);
  --status-pending-bg: #fff5df;
  --status-pending-text: #9a6700;
  --status-active-bg: #eaf2ff;
  --status-active-text: #1f5eff;
  --status-complete-bg: #e8f7ef;
  --status-complete-text: #18794e;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text-main);
}

body.app-shell {
  position: relative;
  background:
    radial-gradient(circle at top left, rgba(31, 94, 255, 0.14), transparent 26%),
    linear-gradient(180deg, rgba(31, 94, 255, 0.06), rgba(31, 94, 255, 0) 220px),
    var(--page-bg);
}

a {
  color: var(--brand-blue-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.app-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at right top, rgba(31, 94, 255, 0.08), transparent 22%),
    radial-gradient(circle at left bottom, rgba(16, 39, 67, 0.06), transparent 20%);
}

.page {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 24px 14px 48px;
}

.page-shell {
  position: relative;
  z-index: 1;
}

.card,
.public-form-card,
.modern-surface {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
}

.card {
  padding: 24px 20px;
}

.card-header,
.public-form-header,
.admin-page-header {
  margin-bottom: 22px;
}

.admin-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.eyebrow,
.public-form-badge {
  margin: 0 0 10px;
  color: var(--brand-blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.public-form-kicker {
  margin: 0 0 8px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
}

h1 {
  margin: 0;
  font-size: clamp(1.9rem, 3.3vw, 2.8rem);
  line-height: 1.18;
}

h2 {
  margin: 0 0 14px;
  font-size: 1.18rem;
  line-height: 1.3;
}

.subtitle,
.public-form-subtitle {
  margin: 12px 0 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

.error,
.alert {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--danger-bg);
  color: var(--danger-text);
}

.alert p,
.error p {
  margin: 0;
}

.alert p + p {
  margin-top: 8px;
}

label,
.field-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-weight: 600;
}

form,
.stack-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

input,
textarea,
select,
button,
.button-link {
  font: inherit;
}

input,
textarea,
select {
  width: 100%;
  min-height: 52px;
  padding: 14px 15px;
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  background: #fff;
  color: var(--text-main);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 4px rgba(31, 94, 255, 0.12);
}

textarea {
  min-height: 132px;
  resize: vertical;
}

button,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 18px;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-deep) 100%);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  box-shadow: 0 14px 24px rgba(31, 94, 255, 0.18);
}

button:hover,
.button-link:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
  text-decoration: none;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
}

ul {
  margin: 0;
  padding-left: 20px;
}

.public-form-shell {
  display: flex;
  justify-content: center;
  width: 100%;
}

.public-form-card {
  width: min(100%, 780px);
  padding: 24px 20px 28px;
}

.public-form-notes {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--brand-sky);
  color: var(--text-main);
}

.public-form-notes p {
  margin: 0;
  line-height: 1.7;
}

.public-form-notes p + p {
  margin-top: 8px;
}

.public-form-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-section {
  padding: 18px;
  border: 1px solid rgba(184, 203, 227, 0.68);
  border-radius: 22px;
  background: rgba(249, 251, 255, 0.88);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}

.section-heading-inline {
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.section-kicker {
  margin: 0;
  color: var(--brand-blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-grid {
  display: grid;
  gap: 16px;
}

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

.section-grid-issue {
  grid-template-columns: 1fr;
}

.section-grid-wide {
  grid-column: 1 / -1;
}

.field-label {
  font-size: 15px;
  font-weight: 600;
}

.field-help {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
}

.upload-panel {
  padding: 16px;
  border: 1px dashed var(--border-strong);
  border-radius: 18px;
  background: #f9fbff;
}

.upload-panel input[type="file"] {
  min-height: 44px;
  padding: 10px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.confirmation-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.confirmation-copy {
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--brand-sky);
}

.confirmation-copy p {
  margin: 0;
  line-height: 1.7;
}

.confirmation-copy p + p {
  margin-top: 6px;
}

.device-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(239, 244, 255, 0.94));
}

.device-count {
  margin: 0;
  color: var(--brand-blue);
  font-size: 14px;
  font-weight: 700;
}

.device-count-confirmation {
  align-self: flex-start;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(31, 94, 255, 0.08);
}

.device-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.device-add-button {
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
}

.device-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.device-list-head,
.device-row {
  display: grid;
  grid-template-columns: 88px minmax(112px, 140px) minmax(180px, 1fr) minmax(160px, 1fr) minmax(160px, 1fr) 176px;
  gap: 12px;
  align-items: stretch;
}

.device-list-head {
  padding: 0 14px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
}

.device-row {
  padding: 14px;
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
}

.device-row-index {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 10px 0;
}

.device-row-label {
  font-size: 14px;
  font-weight: 700;
}

.device-row-count {
  color: var(--text-secondary);
  font-size: 13px;
}

.device-cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.device-row-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
}

.device-action {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
}

.device-action:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
  box-shadow: none;
}

.danger-action {
  border: 1px solid rgba(180, 35, 24, 0.14);
  color: var(--danger-text);
  background: #fff;
  box-shadow: none;
}

.danger-action:hover {
  border-color: rgba(180, 35, 24, 0.3);
}

.device-row .field-label {
  font-size: 13px;
}

.device-row input,
.device-row select {
  min-height: 48px;
  padding: 12px 13px;
  border-radius: 14px;
}

.device-row input:focus,
.device-row select:focus {
  box-shadow: 0 0 0 3px rgba(31, 94, 255, 0.10);
}

.primary-submit,
.button-link.primary-submit {
  width: 100%;
}

.success-card {
  text-align: center;
}

.ticket-no {
  margin: 22px 0;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--success-soft);
  color: var(--text-main);
  font-weight: 700;
}

.login-shell {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  min-height: calc(100vh - 120px);
  align-items: center;
}

.login-brand-panel,
.login-form-panel {
  padding: 28px;
}

.feature-list {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--text-main);
}

.feature-list li {
  line-height: 1.65;
}

.admin-shell,
.ticket-detail-shell {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

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

.summary-card,
.toolbar-card,
.ticket-table-card,
.detail-info-card,
.detail-action-card,
.ticket-detail-header {
  padding: 24px;
}

.summary-label {
  display: block;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
}

.summary-value {
  display: block;
  margin-top: 10px;
  font-size: 2rem;
  line-height: 1;
}

.admin-search-form {
  gap: 12px;
}

.search-label {
  color: var(--text-secondary);
  font-size: 14px;
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px;
  gap: 14px;
}

.table-scroll {
  overflow-x: auto;
}

.ticket-table {
  min-width: 720px;
}

.ticket-table thead th {
  padding: 0 0 14px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
}

.ticket-table tbody tr {
  transition: background 0.2s ease;
}

.ticket-table tbody tr:hover {
  background: rgba(31, 94, 255, 0.03);
}

.ticket-table tbody td {
  padding: 16px 0;
  border-top: 1px solid var(--border-soft);
  vertical-align: middle;
}

.ticket-table tbody td + td,
.ticket-table thead th + th {
  padding-left: 16px;
}

.ticket-link {
  font-weight: 700;
}

.empty-cell {
  color: var(--text-secondary);
  padding: 22px 0;
}

.ticket-status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.ticket-status-badge.status-pending {
  background: var(--status-pending-bg);
  color: var(--status-pending-text);
}

.ticket-status-badge.status-active {
  background: var(--status-active-bg);
  color: var(--status-active-text);
}

.ticket-status-badge.status-complete {
  background: var(--status-complete-bg);
  color: var(--status-complete-text);
}

.ticket-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.detail-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.header-action-form {
  margin: 0;
}

.ghost-button {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: none;
  color: var(--text-main);
  font-weight: 700;
}

.ghost-button:hover {
  border-color: var(--border-strong);
  filter: none;
}

.secondary-link {
  color: var(--text-secondary);
  font-weight: 600;
}

.ticket-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.9fr);
  gap: 22px;
  align-items: start;
}

.detail-main-column,
.detail-side-column {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.detail-info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
}

.detail-info-grid div {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(243, 247, 252, 0.8);
}

.detail-info-grid dt {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
}

.detail-info-grid dd {
  margin: 8px 0 0;
  line-height: 1.6;
}

.detail-paragraph {
  margin: 0;
  line-height: 1.8;
}

.attachment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.attachment-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  background: #fff;
}

.attachment-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 14px;
  background: #f4f7fb;
}

.attachment-name {
  color: var(--text-main);
  font-size: 13px;
  font-weight: 600;
  word-break: break-all;
}

.empty-state-card {
  padding: 18px;
  border: 1px dashed var(--border-strong);
  border-radius: 18px;
  color: var(--text-secondary);
  background: rgba(249, 251, 255, 0.8);
}

.log-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.log-item {
  padding: 16px;
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  background: #fff;
}

.log-meta {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
}

.log-remark {
  margin-top: 8px;
  font-weight: 700;
}

.log-payload {
  margin: 12px 0 0;
  padding: 12px 14px;
  border-radius: 14px;
  background: #f5f8fc;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 13px;
  line-height: 1.6;
}

@media (min-width: 721px) {
  .page {
    padding: 40px 24px 72px;
  }

  .card {
    padding: 32px;
  }

  .public-form-card {
    padding: 34px 32px 36px;
  }
}

@media (max-width: 1080px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ticket-detail-layout {
    grid-template-columns: 1fr;
  }

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

  .section-grid-batch {
    grid-template-columns: 1fr;
  }

  .device-list-head,
  .device-row {
    grid-template-columns: 72px minmax(100px, 120px) minmax(140px, 1fr) minmax(120px, 1fr) minmax(120px, 1fr) 156px;
  }

  .device-row-actions {
    align-items: stretch;
  }
}

@media (max-width: 720px) {
  .page {
    padding: 16px 12px 32px;
  }

  .card,
  .public-form-card,
  .modern-surface {
    border-radius: 20px;
  }

  .card,
  .public-form-card,
  .summary-card,
  .toolbar-card,
  .ticket-table-card,
  .detail-info-card,
  .detail-action-card,
  .ticket-detail-header,
  .login-brand-panel,
  .login-form-panel {
    padding: 20px 16px;
  }

  .login-shell,
  .summary-grid,
  .attachment-grid,
  .detail-info-grid {
    grid-template-columns: 1fr;
  }

  .admin-page-header,
  .ticket-detail-header {
    flex-direction: column;
  }

  .search-row {
    grid-template-columns: 1fr;
  }

  .form-section {
    padding: 16px 14px;
    border-radius: 18px;
  }

  .section-heading-inline {
    flex-direction: column;
  }

  .section-grid-batch,
  .section-grid-issue {
    grid-template-columns: 1fr;
  }

  .device-list-head {
    display: none;
  }

  .device-row {
    grid-template-columns: 1fr;
    grid-template-areas:
      "index"
      "category"
      "model"
      "sn"
      "note"
      "actions";
  }

  .device-row-index,
  .device-row-actions {
    padding: 0;
  }

  .device-row-actions {
    flex-direction: column;
  }

  h1 {
    font-size: 1.8rem;
  }

  input,
  textarea,
  select,
  button,
  .button-link {
    min-height: 50px;
  }
}