:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-muted: #edf1f4;
  --text: #182026;
  --muted: #68747d;
  --border: #d8dee3;
  --accent: #1769e0;
  --accent-hover: #0f55bd;
  --success: #16794b;
  --danger: #b42318;
  --shadow: 0 8px 24px rgba(24, 32, 38, 0.09);
  font-family: Inter, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
}

.header-inner,
.app-main {
  width: min(1380px, calc(100% - 32px));
  margin: 0 auto;
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: #182026;
  color: #ffffff;
  font-weight: 800;
}

.brand h1,
.login-panel h1 {
  margin: 0;
  font-size: 21px;
  line-height: 1.25;
}

.brand p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.icon-button {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 20px;
}

.icon-button:hover {
  background: var(--surface-muted);
}

.app-main {
  padding: 24px 0 48px;
}

.search-toolbar {
  display: grid;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.search-field {
  height: 52px;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 5px 6px 5px 16px;
  border: 1px solid #b8c1c8;
  border-radius: 8px;
  background: var(--surface);
}

.search-field:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(23, 105, 224, 0.14);
}

.search-field input {
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 16px;
}

.primary-button,
.secondary-button,
.danger-button {
  min-height: 40px;
  border-radius: 6px;
  padding: 0 18px;
  font-weight: 700;
}

.primary-button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.primary-button:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.secondary-button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.danger-button {
  border: 1px solid #f1b8b2;
  background: #fff5f4;
  color: var(--danger);
}

.filters {
  display: grid;
  grid-template-columns:
    repeat(4, minmax(135px, 1fr))
    minmax(150px, 1fr)
    minmax(90px, 120px)
    auto;
  align-items: end;
  gap: 10px;
}

.filters label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.filters input,
.filters select,
.login-form input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 11px;
  outline: 0;
  background: var(--surface);
  color: var(--text);
}

.filters input:focus,
.filters select:focus,
.login-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(23, 105, 224, 0.12);
}

.results-heading {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.results-heading p {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.loading {
  color: var(--accent);
  font-size: 13px;
}

.notice {
  padding: 28px 16px;
  border: 1px dashed var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  text-align: center;
}

.error-notice {
  border-color: #f0b7b2;
  color: var(--danger);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(235px, 1fr));
  gap: 16px;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding-top: 22px;
}

.pagination[hidden] {
  display: none;
}

.pagination span {
  min-width: 78px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.pagination button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.design-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  box-shadow: 0 2px 8px rgba(24, 32, 38, 0.04);
}

.design-card:hover {
  border-color: #aeb8bf;
  box-shadow: var(--shadow);
}

.card-button {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
}

.thumbnail {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: contain;
  border-bottom: 1px solid var(--border);
  background: #eef1f3;
}

.card-body {
  display: grid;
  gap: 8px;
  padding: 13px;
}

.card-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.card-title {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 15px;
  line-height: 1.35;
}

.sport-tag {
  flex: none;
  padding: 3px 7px;
  border-radius: 4px;
  background: #e6f4ed;
  color: var(--success);
  font-size: 11px;
  font-weight: 700;
}

.card-meta {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.detail-dialog {
  width: min(920px, calc(100% - 24px));
  max-height: calc(100vh - 40px);
  overflow: auto;
  border: 0;
  border-radius: 8px;
  padding: 0;
  box-shadow: 0 22px 70px rgba(24, 32, 38, 0.3);
}

.detail-dialog::backdrop {
  background: rgba(12, 18, 22, 0.62);
}

.dialog-close {
  position: sticky;
  z-index: 2;
  top: 12px;
  float: right;
  margin: 12px 12px 0 0;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(280px, 42%) minmax(0, 1fr);
}

.detail-media {
  display: grid;
  align-content: start;
  background: #eef1f3;
}

.detail-image {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: contain;
  background: transparent;
}

.source-image-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.source-image-actions:empty {
  display: none;
}

.source-image-actions .danger-button {
  min-height: 36px;
  padding: 0 13px;
  font-size: 12px;
}

.source-image-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.detail-body {
  padding: 28px;
}

.detail-body h2 {
  margin: 0 48px 6px 0;
  overflow-wrap: anywhere;
  font-size: 22px;
}

.detail-body > p {
  margin: 0 0 20px;
  color: var(--muted);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--border);
}

.detail-item {
  min-width: 0;
  padding: 11px 10px 11px 0;
  border-bottom: 1px solid var(--border);
}

.detail-item dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.detail-item dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 13px;
  line-height: 1.45;
}

.detail-link {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  margin-top: 20px;
  border-radius: 6px;
  padding: 0 16px;
  background: var(--text);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.metadata-header {
  display: flex;
  justify-content: flex-end;
  margin: 0 0 10px;
}

.metadata-panel {
  display: grid;
  gap: 12px;
}

.metadata-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 14px;
  background: #fbfcfd;
}

.metadata-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.metadata-form input,
.metadata-form textarea {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 13px;
}

.metadata-form textarea {
  resize: vertical;
}

.metadata-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.metadata-status {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.image-manager {
  display: grid;
  gap: 12px;
  margin-top: 22px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.image-manager h3 {
  margin: 0;
  font-size: 16px;
}

.image-upload-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 220px) auto;
  gap: 8px;
  align-items: center;
}

.image-upload-form input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  background: var(--surface);
  color: var(--text);
}

.image-manager-status,
.managed-empty {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.managed-image-list {
  display: grid;
  gap: 10px;
}

.managed-image {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px;
  background: #fbfcfd;
}

.managed-image img {
  width: 78px;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  border-radius: 5px;
  background: #eef1f3;
}

.managed-image-meta {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.managed-image-meta strong,
.managed-image-meta span {
  overflow-wrap: anywhere;
}

.managed-image-meta span {
  color: var(--muted);
  font-size: 12px;
}

.managed-image-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.managed-image-actions .secondary-button,
.managed-image-actions .danger-button {
  min-height: 34px;
  padding: 0 12px;
  font-size: 12px;
}

.login-page {
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-shell {
  width: min(420px, 100%);
}

.login-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-panel .brand-mark {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.login-form {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.login-form label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.form-error {
  margin: 0;
  color: var(--danger);
  font-size: 13px;
}

@media (max-width: 960px) {
  .filters {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .header-inner,
  .app-main {
    width: min(100% - 20px, 1380px);
  }

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

  .results-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

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

  .detail-image {
    min-height: 260px;
    max-height: 42vh;
  }

  .image-upload-form {
    grid-template-columns: 1fr;
  }

  .metadata-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .brand h1 {
    font-size: 17px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .search-field {
    grid-template-columns: 20px minmax(0, 1fr);
    height: auto;
    padding: 10px;
  }

  .search-field .primary-button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .filters,
  .results-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .pagination {
    display: grid;
    grid-template-columns: 1fr;
  }

  .login-panel {
    padding: 24px;
  }
}