.admin-login-shell {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.admin-login-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.admin-login-copy .page-lead {
  max-width: 720px;
}

.admin-quick-notes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.admin-quick-notes span {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--radius-full);
  background: rgba(18, 63, 60, 0.08);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.admin-login-card {
  width: 100%;
  max-width: 420px;
  padding: 32px;
  border-radius: 32px;
  background: var(--card);
  border: 1px solid rgba(18, 63, 60, 0.08);
  box-shadow: var(--shadow-lg);
}

.admin-login-card h2 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.admin-login-card input {
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(18, 63, 60, 0.1);
}

.admin-login-card input:focus {
  background: #fff;
}

.admin-panel-shell {
  display: grid;
  gap: 28px;
}

.admin-field-note,
.admin-field-label,
.stats-label {
  font-size: 0.8rem;
}

.admin-field-note,
.admin-field-label {
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.admin-field-label {
  display: block;
  margin-bottom: 8px;
}

.btn-block {
  width: 100%;
}

.tabs-row {
  gap: 18px;
  padding: 16px 18px;
  border: 1px solid rgba(18, 63, 60, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: var(--shadow-sm);
}

.tabs {
  flex-wrap: wrap;
}

.tab {
  padding: 11px 18px;
  border: 1px solid rgba(18, 63, 60, 0.12);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.65);
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab:hover,
.tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #f8f6f0;
  box-shadow: 0 16px 28px rgba(10, 44, 42, 0.14);
}

.tab.is-pending {
  opacity: 0.7;
}

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

.dashboard-grid .card {
  justify-content: center;
  min-height: 158px;
}

.dashboard-grid .card:nth-child(1) { --stagger-index: 0; }
.dashboard-grid .card:nth-child(2) { --stagger-index: 1; }
.dashboard-grid .card:nth-child(3) { --stagger-index: 2; }
.dashboard-grid .card:nth-child(4) { --stagger-index: 3; }
.dashboard-grid .card:nth-child(5) { --stagger-index: 4; }
.dashboard-grid .card {
  animation: cardFloatIn 0.72s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: calc(var(--stagger-index, 0) * 80ms);
}

.stats-value {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 2rem;
  font-weight: 700;
}

.stats-value-alert {
  color: var(--error);
}

.admin-notice {
  padding: 34px;
}

.admin-notice strong {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1.1rem;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 420px);
  gap: 26px;
  align-items: start;
}

#tab-projects > .admin-grid,
#tab-messages {
  align-items: start;
}

.panel-card {
  padding: 22px;
  border: 1px solid rgba(18, 63, 60, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.56);
  box-shadow: var(--shadow-sm);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.panel-card:hover {
  transform: translateY(-3px);
  border-color: rgba(18, 63, 60, 0.16);
  box-shadow: var(--shadow-md);
}

.list-status {
  min-height: 180px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
}

.list-status strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-strong);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1.05rem;
}

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

.filter-panel-head {
  display: grid;
  gap: 6px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.filter-row > * {
  flex: 0 1 auto;
}

.filter-control-wide {
  max-width: 200px;
}

.filter-control-tag {
  max-width: 140px;
}

.filter-control-auto {
  width: auto;
}

#tab-projects .form-card,
#tab-messages .form-card {
  padding: 34px;
}

#tab-projects .form-card form,
#tab-messages .form-card form {
  display: grid;
  gap: 24px;
}

.admin-form-section {
  display: grid;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-subtle);
}

.admin-form-section-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.admin-form-section:last-of-type {
  border-bottom: none;
}

.admin-form-section-head h4 {
  position: relative;
  padding-left: 14px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}

.admin-form-section-head h4::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 14px;
  border-radius: var(--radius-full);
  background: var(--accent);
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--subtle);
  margin-bottom: 8px;
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input-group {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.form-input-group textarea {
  min-height: 108px;
  resize: vertical;
}

.form-input-group .btn-upload-icon {
  min-width: 100px;
  border-radius: 12px;
  border-color: rgba(18, 63, 60, 0.15);
  background: white;
  color: var(--accent);
  gap: 6px;
  min-height: 48px;
  padding: 0 14px;
}

.form-input-group .btn-upload-icon:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.media-list-panel {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px dashed rgba(18, 63, 60, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.66);
}

.media-list-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.media-list-head strong {
  color: var(--accent-strong);
  font-size: 0.92rem;
}

.media-list {
  display: grid;
  gap: 8px;
}

.media-list-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(18, 63, 60, 0.05);
  border: 1px solid rgba(18, 63, 60, 0.1);
}

.media-kind {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 24px;
  padding: 0 8px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.media-kind.image {
  background: rgba(18, 63, 60, 0.12);
  color: var(--accent);
}

.media-kind.video {
  background: rgba(159, 86, 49, 0.14);
  color: #7a4023;
}

.media-url {
  min-width: 0;
  color: var(--muted);
  font-size: 0.86rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.media-remove-btn {
  min-height: 28px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid rgba(186, 61, 45, 0.2);
  background: rgba(186, 61, 45, 0.08);
  color: var(--error);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}

.media-remove-btn:hover {
  background: rgba(186, 61, 45, 0.13);
}

.media-empty {
  padding: 10px;
  border-radius: 10px;
  color: var(--subtle);
  font-size: 0.85rem;
  background: rgba(18, 63, 60, 0.03);
  border: 1px dashed rgba(18, 63, 60, 0.12);
}

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

.media-preview-panel {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(18, 63, 60, 0.1);
  background: rgba(255, 255, 255, 0.72);
}

.media-preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.media-preview-head strong {
  color: var(--accent-strong);
  font-size: 0.92rem;
}

.media-preview-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.media-preview-list-video {
  grid-template-columns: 1fr;
}

.media-preview-card {
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid rgba(18, 63, 60, 0.1);
  background: rgba(18, 63, 60, 0.04);
}

.media-preview-card img,
.media-preview-card video,
.media-preview-card iframe {
  width: 100%;
  border: 0;
  border-radius: 12px;
  background: rgba(18, 63, 60, 0.06);
}

.media-preview-card img,
.media-preview-card video {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.media-preview-card iframe {
  aspect-ratio: 16 / 9;
}

.media-preview-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.media-preview-index {
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
}

.media-preview-link {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.media-preview-link:hover {
  text-decoration: underline;
}

.media-preview-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  padding: 20px;
  border-radius: 12px;
  background: rgba(18, 63, 60, 0.06);
  color: var(--muted);
  text-align: center;
}

/* Specific Style for the Big Submit Button */
.btn-primary-heavy {
  min-height: 62px !important;
  border-radius: 20px !important;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent)) !important;
  font-size: 1.15rem !important;
  letter-spacing: 0.02em;
  box-shadow: 0 12px 32px rgba(10, 44, 42, 0.22) !important;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-primary-heavy:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 18px 48px rgba(10, 44, 42, 0.3);
  filter: brightness(1.1);
}

.btn-primary-heavy:active {
  transform: translateY(-1px) scale(0.99);
}

.admin-input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--subtle);
  opacity: 0.5;
  pointer-events: none;
}

.input-with-icon input {
  padding-left: 42px;
}

.upload-row {
  align-items: center;
}

.admin-split-fields {
  align-items: start;
}

.message {
  padding: 22px;
  border: 1px solid rgba(18, 63, 60, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 14px 32px rgba(16, 19, 17, 0.05);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.message:hover {
  transform: translateY(-2px);
  border-color: rgba(18, 63, 60, 0.16);
  box-shadow: var(--shadow-sm);
}

.message .meta {
  color: var(--muted);
  font-weight: 600;
}

#adminMessageList {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-content: start;
}

#projectList {
  display: grid;
  gap: 16px;
  align-content: start;
}

.message-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line-subtle);
}

.message-meta-stack {
  display: grid;
  gap: 4px;
}

.message-meta-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--muted);
}

.message-meta-label {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0.6;
  min-width: 60px;
}

.message-body {
  font-size: 1.05rem;
  line-height: 1.62;
  color: var(--text);
  margin: 12px 0;
  white-space: pre-wrap;
}

.reply {
  margin-top: 16px;
  padding: 16px 20px;
  border-left: 3px solid var(--accent);
  border-radius: 4px 20px 20px 4px;
  background: rgba(18, 63, 60, 0.05);
  transition: background 0.2s ease;
}

.reply:hover {
  background: rgba(18, 63, 60, 0.08);
}

.reply-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}

.reply-inline-form {
  margin-top: 16px;
  display: grid;
  gap: 10px;
  padding: 20px;
  background: rgba(18, 63, 60, 0.04);
  border-radius: 20px;
  border: 1px dashed rgba(18, 63, 60, 0.12);
}

.reply-inline-form textarea {
  min-height: 80px;
  resize: vertical;
}

.editor-section {
  padding: 28px;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--line-subtle);
  border-radius: 24px;
}

.Editor-toolbar {
  border-radius: 12px 12px 0 0 !important;
  border-color: rgba(18, 63, 60, 0.12) !important;
  background: rgba(255, 255, 255, 0.8) !important;
}

.CodeMirror {
  border-radius: 0 0 12px 12px !important;
  border-color: rgba(18, 63, 60, 0.12) !important;
  background: rgba(255, 255, 255, 0.9) !important;
  font-family: inherit !important;
  font-size: 1rem !important;
}

.CodeMirror-focused {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 4px var(--accent-soft) !important;
}

.cover-preview {
  width: 100%;
  height: 120px;
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  object-fit: cover;
  background: rgba(255, 255, 255, 0.72);
}

.visually-hidden {
  display: none;
}

#videoProgressContainer {
  display: none;
  margin-top: 12px;
  overflow: hidden;
  height: 12px;
  border: 1px solid rgba(18, 63, 60, 0.1);
  border-radius: var(--radius-full);
  background: rgba(18, 63, 60, 0.06);
}

#videoProgressBar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--warm), var(--accent));
  transition: width 0.2s ease;
}

@media (max-width: 1080px) {
  .admin-login-shell,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  #tab-messages .form-card,
  #tab-projects .form-card {
    position: static;
  }
}

.admin-form-row {
  display: grid;
  gap: 20px;
}

.admin-form-row.grid-2 {
  grid-template-columns: 1fr 1fr;
}

.admin-form-row.grid-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.form-group {
  display: flex;
  flex-direction: column;
}

@media (max-width: 900px) {
  .admin-form-row.grid-2,
  .admin-form-row.grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .admin-login-card,
  .panel-card,
  #tab-messages .form-card,
  #tab-projects .form-card,
  .admin-notice {
    padding: 20px;
  }

  .tabs-row {
    align-items: stretch;
    flex-direction: column;
  }

  .filter-row > * {
    flex: 1 1 100%;
    max-width: none !important;
  }

  .upload-row {
    align-items: stretch;
    flex-direction: column;
  }

  .form-input-group {
    flex-direction: column;
  }

  .form-input-group .btn-upload-icon {
    width: 100%;
  }

  .admin-split-fields {
    flex-direction: column;
  }

  .media-preview-grid,
  .media-preview-list {
    grid-template-columns: 1fr;
  }
}

/* ========== 优化后的媒体预览样式 / Refined Media Preview ========== */
.media-preview-list-refined {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.media-preview-card-refined {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-subtle);
  border: 2px solid transparent;
  transition: all 0.2s ease;
  aspect-ratio: 1 / 1;
}

.media-preview-card-refined.is-cover {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.media-preview-card-refined img,
.media-preview-card-refined video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-preview-actions {
  position: absolute;
  inset: 0;
  background: rgba(10, 44, 42, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.media-preview-card-refined:hover .media-preview-actions {
  opacity: 1;
}

.media-cover-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 4px 10px;
  background: var(--accent);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  z-index: 2;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.media-preview-list-video .media-preview-card-refined {
  aspect-ratio: 16 / 9;
}

/* ========== 全局资源库弹窗 / Global Picker Modal ========== */
.global-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 14px;
  max-height: 500px;
  overflow-y: auto;
  padding: 10px;
}

.picker-item {
  position: relative;
  cursor: pointer;
  border-radius: 12px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line-subtle);
  transition: all 0.2s ease;
}

.picker-item:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.picker-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.picker-icon {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: var(--accent-soft);
}

.picker-name {
  padding: 6px 8px;
  font-size: 0.7rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  background: rgba(255, 255, 255, 0.9);
  color: var(--muted);
  text-align: center;
}

/* ========== 账号设置模块优化 / Account Settings Refinement ========== */
.password-fields-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.password-icon {
  position: absolute;
  left: 16px;
  color: var(--accent);
  opacity: 0.5;
  display: flex;
  align-items: center;
  pointer-events: none;
  z-index: 2;
}

.password-input-wrapper input {
  width: 100%;
  padding-left: 48px !important;
  padding-right: 52px !important;
  height: 54px !important;
  font-size: 1rem !important;
  background: rgba(255, 255, 255, 0.6) !important;
  border: 1px solid rgba(18, 63, 60, 0.12) !important;
  transition: all 0.24s ease !important;
}

.password-input-wrapper input:focus {
  background: #fff !important;
  border-color: var(--accent) !important;
  box-shadow: 0 8px 20px rgba(18, 63, 60, 0.06) !important;
}

.password-toggle-btn {
  position: absolute;
  right: 14px;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--subtle);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: all 0.2s ease;
  z-index: 2;
}

.password-toggle-btn:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.password-toggle-btn svg {
  width: 20px;
  height: 20px;
  display: block;
}

.security-tips-card {
  padding: 32px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.3));
  border: 1px dashed rgba(18, 63, 60, 0.15) !important;
  box-shadow: none !important;
}

.security-badge {
  width: 44px;
  height: 44px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.security-tips-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.security-tips-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: var(--muted);
}

.security-tips-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 1.1rem;
  line-height: 1;
}

.security-status-box {
  padding: 18px;
  background: rgba(18, 63, 60, 0.04);
  border-radius: 16px;
  border: 1px solid rgba(18, 63, 60, 0.06);
}

.badge-secure {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--success);
  color: white;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-secure::before {
  content: "";
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
  animation: pulseLight 2s infinite;
}

@keyframes pulseLight {
  0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4); }
  70% { box-shadow: 0 0 0 8px rgba(255, 255, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

/* Helper class for toggling elements */
.hidden {
  display: none !important;
}