:root {
  --admin-border: #cfdee4;
  --admin-muted: #5b6c75;
  --admin-surface-soft: #f2f8fa;
  --admin-danger: #b42f3b;
}

.auth-main {
  min-height: calc(100vh - var(--header-height));
  padding: clamp(3rem, 8vw, 6rem) 1rem;
  display: grid;
  place-items: center;
}

.auth-card {
  position: relative;
  width: min(100%, 430px);
  padding: 2.5rem;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  box-shadow: 0 18px 50px rgba(28, 52, 63, 0.1);
}

.auth-card__brand {
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.auth-card__brand span:nth-child(1) { background: var(--color-accent-green); }
.auth-card__brand span:nth-child(2) { background: var(--color-accent-purple); }
.auth-card__brand span:nth-child(3) { background: var(--color-accent-red); }
.auth-card__brand span:nth-child(4) { background: var(--color-accent-blue); }
.auth-card__brand span:nth-child(5) { background: var(--color-accent-yellow); }

.auth-card__context,
.admin-intro__context,
.admin-editor__mode {
  margin: 0 0 0.45rem;
  color: #006a9d;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.auth-card h1 {
  margin: 0;
  color: #163d52;
  font-size: clamp(2rem, 8vw, 2.65rem);
  letter-spacing: -0.04em;
}

.auth-card__subtitle {
  margin: 0.5rem 0 2rem;
  color: var(--admin-muted);
}

.auth-form,
.form-field {
  display: grid;
  gap: 0.55rem;
}

.auth-form { gap: 1.25rem; }

.form-field label {
  color: #31404a;
  font-size: 0.9rem;
  font-weight: 650;
}

.form-field input,
.form-field textarea,
.form-field select,
.admin-block-add select {
  width: 100%;
  min-height: 44px;
  padding: 0.7rem 0.8rem;
  color: #24343d;
  background: #fff;
  border: 1px solid #adc4ce;
  border-radius: 8px;
  font: inherit;
}

.form-field textarea {
  min-height: 132px;
  resize: vertical;
  line-height: 1.55;
}

.form-field input:focus-visible,
.form-field textarea:focus-visible,
.form-field select:focus-visible,
.admin-block-add select:focus-visible {
  border-color: var(--color-accent-blue);
  outline: 3px solid rgba(0, 123, 181, 0.16);
  outline-offset: 1px;
}

.admin-button {
  min-height: 44px;
  padding: 0.65rem 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  color: #24343d;
  background: #fff;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  font: 650 0.9rem/1.2 var(--font-sans);
  text-decoration: none;
  cursor: pointer;
}

.admin-button:hover { background: #f5fafb; }
.admin-button:disabled { opacity: 0.48; cursor: not-allowed; }

.admin-button--primary {
  color: #fff;
  background: var(--color-accent-blue);
  border-color: var(--color-accent-blue);
}

.admin-button--primary:hover { background: #006590; }
.admin-button--secondary { color: #006590; background: #edf7fb; border-color: #9fc8da; }
.admin-button--quiet { background: transparent; }
.admin-button--danger { color: var(--admin-danger); border-color: #e5b7bc; }
.admin-button--danger:hover { background: #fff3f4; }
.auth-form__submit { width: 100%; margin-top: 0.3rem; }

.auth-card__back {
  margin-top: 1.6rem;
  display: inline-block;
  color: #52636c;
  font-size: 0.88rem;
  text-underline-offset: 3px;
}

.form-message {
  margin: 0;
  padding: 0.75rem 0.85rem;
  border-radius: 8px;
  font-size: 0.88rem;
}

.form-message--error {
  color: #8d2530;
  background: #fff2f3;
  border: 1px solid #efc2c6;
}

.admin-page { align-items: stretch; background: #f4f8f9; }

.admin-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: 72px;
  padding: 0.75rem max(1rem, calc((100% - 1440px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--admin-border);
  box-shadow: inset 0 -3px transparent;
  backdrop-filter: blur(16px);
}

.admin-header::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-green) 0 20%, var(--color-accent-purple) 20% 40%, var(--color-accent-red) 40% 60%, var(--color-accent-blue) 60% 80%, var(--color-accent-yellow) 80%);
}

.admin-header__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #163d52;
  font-weight: 750;
  text-decoration: none;
}

.admin-header__brand img { width: auto; height: 46px; }
.admin-header__actions { display: flex; align-items: center; gap: 0.65rem; }
.admin-header__user { color: var(--admin-muted); font-size: 0.86rem; }

.admin-main {
  width: min(100% - 2rem, 1440px);
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.admin-intro {
  margin-bottom: 2rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
}

.admin-intro h1 { margin: 0; color: #163d52; font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -0.04em; }
.admin-intro p:last-child { margin: 0.65rem 0 0; color: var(--admin-muted); }

.admin-workspace {
  display: grid;
  grid-template-columns: minmax(250px, 320px) minmax(0, 1fr);
  align-items: start;
  gap: 1rem;
}

.admin-posts,
.admin-editor {
  background: #fff;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
}

.admin-posts { position: sticky; top: 88px; max-height: calc(100vh - 108px); overflow: auto; }
.admin-editor { min-width: 0; }

.admin-panel-heading {
  min-height: 70px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--admin-border);
}

.admin-panel-heading h2 { margin: 0; color: #24343d; font-size: 1.12rem; }
.admin-count { color: var(--admin-muted); font-size: 0.82rem; }
.admin-post-list { margin: 0; padding: 0.5rem; list-style: none; }
.admin-post-list li + li { margin-top: 0.25rem; }

.admin-post-button {
  width: 100%;
  min-height: 54px;
  padding: 0.7rem 0.75rem;
  display: grid;
  gap: 0.2rem;
  color: #31404a;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
}

.admin-post-button:hover { background: #f3f8fa; }
.admin-post-button[aria-current="true"] { color: #006590; background: #edf7fb; border-color: #bfdae5; }
.admin-post-button strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-post-button span { color: var(--admin-muted); font-size: 0.78rem; }
.admin-draft { color: #875f00 !important; }
.admin-empty { padding: 2rem 1rem; color: var(--admin-muted); text-align: center; }

#news-editor { padding: 1.5rem; }
.admin-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.admin-form-grid__wide { grid-column: 1 / -1; }

.admin-checkbox {
  min-height: 56px;
  padding: 0.7rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--admin-surface-soft);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  cursor: pointer;
}

.admin-checkbox input { width: 20px; height: 20px; accent-color: var(--color-accent-blue); }
.admin-checkbox span { display: grid; }
.admin-checkbox small { color: var(--admin-muted); }

.admin-block-section { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--admin-border); }
.admin-block-toolbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; }
.admin-block-toolbar h2 { margin: 0 0 0.3rem; font-size: 1.12rem; }
.admin-block-toolbar p { margin: 0; color: var(--admin-muted); font-size: 0.86rem; }
.admin-block-add { display: flex; align-items: center; gap: 0.5rem; }
.admin-block-add select { width: auto; }
.admin-blocks { margin-top: 1rem; display: grid; gap: 0.75rem; }

.admin-block {
  min-width: 0;
  padding: 1rem;
  background: #fbfdfe;
  border: 1px solid var(--admin-border);
  border-left: 4px solid var(--block-accent, var(--color-accent-blue));
  border-radius: 8px;
}

.admin-block[data-type="video"] { --block-accent: var(--color-accent-red, #de4b57); }
.admin-block[data-type="image"] { --block-accent: var(--color-accent-purple); }
.admin-block[data-type="link"] { --block-accent: var(--color-accent-green); }
.admin-block__header { margin-bottom: 0.85rem; display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }
.admin-block__header h3 { margin: 0; font-size: 0.95rem; }
.admin-block__actions { display: flex; gap: 0.35rem; }
.admin-icon-button { min-width: 36px; min-height: 36px; padding: 0.35rem; background: #fff; border: 1px solid var(--admin-border); border-radius: 7px; cursor: pointer; }
.admin-block__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.admin-block__wide { grid-column: 1 / -1; }

.admin-editor-actions { margin-top: 1.5rem; padding-top: 1.25rem; display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--admin-border); }
.admin-editor-actions__primary { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.65rem; }
.admin-save-state { color: #2e744b; font-size: 0.86rem; }

.admin-preview-dialog {
  margin: auto;
  width: min(calc(100% - 2rem), 920px);
  max-height: min(88vh, 900px);
  padding: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  box-shadow: 0 24px 70px rgba(22, 61, 82, 0.2);
}

.admin-preview-dialog::backdrop { background: rgba(15, 32, 41, 0.52); backdrop-filter: blur(3px); }
.admin-preview-dialog__frame { display: grid; grid-template-rows: auto minmax(0, 1fr); max-height: min(88vh, 900px); }
.admin-preview-dialog__header {
  min-height: 76px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: #fff;
  border-bottom: 1px solid var(--admin-border);
}
.admin-preview-dialog__header h2 { margin: 0; color: #163d52; font-size: 1.2rem; }
.admin-preview-dialog__header p { margin: 0.25rem 0 0; color: var(--admin-muted); font-size: 0.82rem; }
.admin-preview-dialog__close { flex: 0 0 40px; font-size: 1.4rem; }
.admin-preview-dialog__viewport { padding: clamp(1rem, 3vw, 2rem); overflow: auto; background: #f3f8fa; }

.admin-news-preview {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  color: #2f414a;
  background: #fff;
  border: 1px solid var(--admin-border);
  border-top: 4px solid var(--color-accent-blue);
  border-radius: 10px;
}
.admin-news-preview__status { margin: 0 0 0.85rem; color: #765d00; font-size: 0.78rem; font-weight: 700; }
.admin-news-preview__title { margin: 0; color: #006a9d; font-size: clamp(1.65rem, 4vw, 2.35rem); line-height: 1.12; letter-spacing: -0.025em; }
.admin-news-preview__subtitle { margin: 0.65rem 0 0; color: #425761; font-size: 1.05rem; font-weight: 650; }
.admin-news-preview__date { margin: 0.8rem 0 0; display: block; color: var(--admin-muted); font-size: 0.86rem; }
.admin-news-preview__body { margin-top: 1.75rem; display: grid; gap: 1.15rem; }
.admin-news-preview__body p { margin: 0; line-height: 1.75; }
.admin-news-preview__body a { color: #006a9d; font-weight: 650; text-underline-offset: 3px; }
.admin-news-preview__figure { margin: 0; }
.admin-news-preview__image { margin: 0 auto; display: block; width: 100%; height: auto; max-height: 560px; object-fit: contain; background: #f3f6f7; border-radius: 10px; }
.admin-news-preview__image[data-size="medium"] { max-width: 560px; }
.admin-news-preview__image[data-size="small"] { max-width: 360px; }
.admin-news-preview__caption { margin-top: 0.45rem !important; color: var(--admin-muted); font-size: 0.82rem; text-align: center; }
.admin-news-preview__empty { padding: 2rem 1rem; color: var(--admin-muted); text-align: center; border: 1px dashed var(--admin-border); border-radius: 8px; }

@media (max-width: 900px) {
  .admin-header { align-items: flex-start; }
  .admin-header__actions { align-items: stretch; flex-wrap: wrap; justify-content: flex-end; }
  .admin-header__user { width: 100%; text-align: right; }
  .admin-workspace { grid-template-columns: 1fr; }
  .admin-posts { position: static; max-height: 320px; }
}

@media (max-width: 600px) {
  .auth-card { padding: 2rem 1.25rem; }
  .admin-header { align-items: stretch; flex-direction: column; }
  .admin-header__actions { justify-content: flex-start; }
  .admin-header__user { width: auto; text-align: left; }
  .admin-main { width: calc(100% - 1.25rem); padding-top: 1.5rem; }
  .admin-intro { align-items: stretch; flex-direction: column; }
  .admin-form-grid,
  .admin-block__grid { grid-template-columns: 1fr; }
  .admin-form-grid__wide,
  .admin-block__wide { grid-column: auto; }
  .admin-block-toolbar { align-items: stretch; flex-direction: column; }
  .admin-block-add { align-items: stretch; flex-direction: column; }
  .admin-block-add select { width: 100%; }
  .admin-editor-actions { flex-direction: column-reverse; }
  .admin-editor-actions .admin-button,
  .admin-editor-actions__primary { width: 100%; }
  .admin-editor-actions__primary { display: grid; }
  .admin-preview-dialog { width: calc(100% - 1rem); max-height: calc(100dvh - 1rem); }
  .admin-preview-dialog__frame { max-height: calc(100dvh - 1rem); }
  .admin-preview-dialog__viewport { padding: 0.6rem; }
}

/* News editor inside the shared administration workspace. */
.portal-news .admin-header{display:none}.portal-news .admin-main{max-width:none;padding:26px 28px}.portal-news{background:#f7f8f5}.portal-news .admin-intro h1{font-size:23px}.portal-news .admin-workspace{box-shadow:none}

.portal-news{font-family:-apple-system,BlinkMacSystemFont,"PingFang HK","Microsoft JhengHei","Segoe UI",sans-serif;background:#f7f8f5}.portal-news .admin-button{border-radius:7px}.portal-news .admin-main{padding-top:24px}