/* ================= 响应式样式 ================= */

/* 紧凑模式 */
body.compact-mode {
  font-size: 13px;
}

body.compact-mode .topbar {
  padding: 6px 10px;
  min-height: 44px;
}

body.compact-mode .logo {
  font-size: 14px;
  gap: 6px;
}

body.compact-mode .logo-icon {
  width: 28px;
  height: 28px;
  font-size: 20px;
}

body.compact-mode .logo-icon svg {
  width: 16px;
  height: 16px;
}

body.compact-mode .logo-subtitle {
  font-size: 8px;
  display: none;
}

body.compact-mode .save-status {
  font-size: 10px;
  padding: 4px 8px;
}

body.compact-mode .search {
  width: 120px;
  padding: 6px 10px;
  font-size: 12px;
}

body.compact-mode .tool-btn {
  width: 32px;
  height: 32px;
}

body.compact-mode .tool-btn svg {
  width: 16px;
  height: 16px;
}

body.compact-mode .topbar-stats {
  gap: 10px;
  padding: 0 10px;
  margin-left: 12px;
}

body.compact-mode .topbar-stat-number {
  font-size: 16px;
}

body.compact-mode .topbar-stat-label {
  font-size: 8px;
}

body.compact-mode .topbar-stat-divider {
  height: 20px;
}

body.compact-mode .board {
  padding: 10px;
  gap: 10px;
}

body.compact-mode .column {
  flex: 0 0 240px;
  width: 240px;
  padding: 10px;
  gap: 8px;
  border-radius: 14px;
  max-height: calc(100vh - 110px);
}

body.compact-mode .column-header {
  gap: 6px;
  padding: 2px 2px 4px;
}

body.compact-mode .column-title {
  font-size: 13px;
  padding: 2px 6px;
}

body.compact-mode .column-count {
  padding: 2px 8px;
  font-size: 11px;
  min-width: 24px;
}

body.compact-mode .icon-btn {
  width: 20px;
  height: 20px;
  font-size: 11px;
}

body.compact-mode .card-list {
  gap: 8px;
}

body.compact-mode .group-header {
  padding: 2px 4px;
  font-size: 10px;
  gap: 6px;
}

body.compact-mode .group-dot {
  width: 6px;
  height: 6px;
}

body.compact-mode .group-name {
  font-size: 10px;
}

body.compact-mode .group-count {
  padding: 1px 5px;
  font-size: 9px;
}

body.compact-mode .group-cards {
  gap: 6px;
  min-height: 28px;
}

body.compact-mode .card {
  padding: 8px 10px;
  border-radius: 10px;
}

body.compact-mode .card-title {
  font-size: 12px;
  line-height: 1.3;
}

body.compact-mode .card-desc {
  margin-top: 4px;
  font-size: 10px;
  line-height: 1.4;
}

body.compact-mode .card-del {
  width: 18px;
  height: 18px;
  font-size: 11px;
  border-radius: 5px;
}

body.compact-mode .card-attachments {
  margin-top: 6px;
  gap: 4px;
}

body.compact-mode .card-attachment-thumb {
  width: 50px;
  height: 50px;
  border-radius: 6px;
}

body.compact-mode .card-attachment-badge {
  padding: 2px 6px;
  font-size: 9px;
  margin-top: 4px;
}

body.compact-mode .card-attachment-badge svg {
  width: 10px;
  height: 10px;
}

body.compact-mode .image-preview-container {
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 8px;
}

body.compact-mode .image-preview-delete {
  width: 18px;
  height: 18px;
  font-size: 11px;
  top: 4px;
  right: 4px;
}

body.compact-mode .add-card-mini {
  padding: 6px 8px;
  font-size: 11px;
  border-radius: 8px;
}

body.compact-mode .add-card-mini svg {
  width: 12px;
  height: 12px;
  margin-right: 4px;
}

body.compact-mode .template-sidebar {
  top: 44px;
  width: 280px;
  height: calc(100vh - 44px);
}

body.compact-mode .template-sidebar-header {
  padding: 12px 14px;
}

body.compact-mode .template-sidebar-title {
  font-size: 15px;
  margin-bottom: 4px;
}

body.compact-mode .template-sidebar-hint {
  font-size: 10px;
}

body.compact-mode .template-sidebar-content {
  padding: 10px 14px;
}

body.compact-mode .template-category {
  margin-bottom: 16px;
}

body.compact-mode .template-category-title {
  font-size: 11px;
  margin-bottom: 8px;
}

body.compact-mode .template-card {
  padding: 8px 10px;
  border-radius: 8px;
}

body.compact-mode .template-card-title {
  font-size: 12px;
}

body.compact-mode .template-card-desc {
  font-size: 10px;
}

body.compact-mode.template-sidebar-open .board {
  padding-right: 300px;
}

body.compact-mode .add-column-btn {
  flex: 0 0 220px;
  height: 42px;
  font-size: 12px;
  border-radius: 12px;
}

body.compact-mode .add-column-btn svg {
  width: 14px;
  height: 14px;
  margin-right: 6px;
}

body.compact-mode .column-new {
  flex: 0 0 240px;
  width: 240px;
  padding: 10px;
}

body.compact-mode .col-name-input {
  padding: 10px 12px;
  font-size: 13px;
}

body.compact-mode .card-composer textarea {
  min-height: 48px;
  padding: 10px 12px;
  font-size: 12px;
}

/* 大屏幕 */
@media (min-width: 1400px) {
  .column { flex: 0 0 340px; width: 340px; }
  .column-new { flex: 0 0 340px; width: 340px; }
  .add-column-btn { flex: 0 0 320px; }
}

@media (min-width: 1024px) and (max-width: 1399px) {
  .column { flex: 0 0 320px; width: 320px; }
}

/* 平板 */
@media (min-width: 768px) and (max-width: 1023px) {
  .topbar { padding: 10px 16px; min-height: 60px; }
  .logo { font-size: 18px; }
  .logo-icon { width: 36px; height: 36px; font-size: 28px; }
  .logo-subtitle { font-size: 10px; }

  .topbar-stats { gap: 14px; padding: 0 14px; }
  .topbar-stat-number { font-size: 18px; }
  .topbar-stat-label { font-size: 9px; }
  .topbar-stat-divider { height: 26px; }

  .board { padding: 16px; gap: 16px; }
  .column { flex: 0 0 290px; width: 290px; max-height: calc(100vh - 160px); padding: 14px; }
  .column-new { flex: 0 0 290px; width: 290px; }
  .add-column-btn { flex: 0 0 270px; }

  .card { padding: 12px 14px; }
  .card-title { font-size: 14px; }
  .card-desc { font-size: 12px; }

  .modal { width: 440px; padding: 24px; }
}

/* 手机横屏 */
@media (max-width: 767px) and (orientation: landscape) {
  html { font-size: 14px; }

  .topbar {
    padding: 8px 12px;
    min-height: 48px;
    gap: 8px;
  }

  .logo { font-size: 16px; gap: 8px; }
  .logo-icon { width: 32px; height: 32px; font-size: 24px; border-radius: 10px; }
  .logo-icon svg { width: 20px; height: 20px; }
  .logo-subtitle { font-size: 9px; letter-spacing: 1.5px; }

  .save-status { font-size: 11px; padding: 5px 10px; }

  .search { width: 140px; max-width: 25vw; padding: 8px 12px; font-size: 13px; }

  .tool-btn { width: 36px; height: 36px; border-radius: 10px; }
  .tool-btn svg { width: 18px; height: 18px; }

  .topbar-stats { gap: 12px; padding: 0 12px; }
  .topbar-stat-number { font-size: 18px; }
  .topbar-stat-label { font-size: 9px; }
  .topbar-stat-divider { height: 24px; }

  .board { padding: 12px; gap: 12px; }

  .column {
    flex: 0 0 260px;
    width: 260px;
    max-height: calc(100vh - 120px);
    padding: 12px;
    border-radius: 16px;
  }

  .column-header { gap: 8px; padding: 2px 2px 6px; }
  .column-title { font-size: 15px; padding: 3px 8px; }
  .column-count { padding: 2px 10px; font-size: 12px; min-width: 28px; }
  .icon-btn { width: 24px; height: 24px; font-size: 12px; border-radius: 6px; }

  .card-list { gap: 10px; padding: 2px; }

  .group-header { padding: 3px 4px; font-size: 11px; }
  .group-dot { width: 8px; height: 8px; }
  .group-count { padding: 1px 6px; font-size: 10px; }
  .group-cards { gap: 8px; min-height: 32px; }

  .card { padding: 10px 12px; border-radius: 12px; }
  .card-title { font-size: 13px; line-height: 1.4; }
  .card-desc { margin-top: 6px; font-size: 11px; line-height: 1.5; }
  .card-del { width: 20px; height: 20px; font-size: 12px; border-radius: 6px; }

  .add-card-mini { padding: 8px 10px; font-size: 12px; border-radius: 10px; }
  .add-card-mini svg { width: 14px; height: 14px; }

  .add-column-btn { flex: 0 0 240px; height: 48px; font-size: 13px; border-radius: 14px; }
  .add-column-btn svg { width: 16px; height: 16px; }

  .column-new { flex: 0 0 260px; width: 260px; padding: 12px; border-radius: 16px; }
  .col-name-input { padding: 12px 14px; font-size: 14px; border-radius: 10px; }

  .card-composer textarea { min-height: 56px; padding: 12px 14px; font-size: 13px; border-radius: 12px; }

  .modal { width: 380px; max-width: 90vw; padding: 20px; border-radius: 20px; }
  .modal-title { font-size: 18px; margin-bottom: 6px; }
  .modal-title svg { width: 18px; height: 18px; }
  .modal-hint { font-size: 13px; margin-bottom: 16px; }

  .field { margin-bottom: 14px; }
  .field > span { font-size: 12px; margin-bottom: 6px; }
  .field input, .field textarea, .field select { padding: 12px 14px; font-size: 14px; border-radius: 10px; }

  .modal-footer { margin-top: 18px; gap: 10px; }
  .btn { padding: 10px 16px; font-size: 13px; border-radius: 10px; }

  .group-row { padding: 8px 10px; gap: 8px; border-radius: 12px; }
  .color-dot { width: 20px; height: 20px; }
  .group-name-input { padding: 8px 12px; font-size: 13px; border-radius: 8px; }
  .group-row .icon-btn { width: 22px; height: 22px; font-size: 11px; }
  .group-add-row { gap: 8px; }

  .template-sidebar { width: 280px; }
  .template-sidebar-header { padding: 16px 18px; }
  .template-sidebar-title { font-size: 16px; }
  .template-sidebar-content { padding: 14px 18px; }
  .template-category { margin-bottom: 20px; }
  .template-category-title { font-size: 12px; margin-bottom: 10px; }
  .template-list { gap: 6px; }
  .template-card { padding: 10px 12px; }
  .template-card-title { font-size: 13px; }
  .template-card-desc { font-size: 11px; }

  body.template-sidebar-open .board { padding-right: 300px; }

  .toast { padding: 12px 20px; font-size: 13px; border-radius: 14px; bottom: 24px; }
}

/* 手机竖屏 */
@media (max-width: 767px) and (orientation: portrait) {
  html { font-size: 13px; }

  .topbar {
    flex-wrap: wrap;
    padding: 10px 12px;
    min-height: auto;
    gap: 10px;
  }

  .logo { font-size: 16px; gap: 8px; }
  .logo-icon { width: 34px; height: 34px; font-size: 26px; border-radius: 10px; }
  .logo-icon svg { width: 22px; height: 22px; }
  .logo-subtitle { font-size: 9px; letter-spacing: 1.5px; }

  .spacer { order: 1; }
  .save-status { order: 2; font-size: 10px; padding: 4px 8px; }

  .search { order: 3; width: 100%; max-width: none; padding: 10px 14px; font-size: 14px; }

  .tool-btn { width: 38px; height: 38px; border-radius: 10px; }
  .tool-btn svg { width: 18px; height: 18px; }

  .topbar-stats { gap: 10px; padding: 0 10px; margin-left: 10px; border-left: 1px solid rgba(255, 255, 255, 0.1); }
  .topbar-stat-number { font-size: 16px; }
  .topbar-stat-label { font-size: 8px; }
  .topbar-stat-divider { height: 22px; }

  .board { padding: 12px; gap: 12px; }

  .column { flex: 0 0 280px; width: 280px; max-height: calc(100vh - 180px); padding: 12px; border-radius: 16px; }
  .column-new { flex: 0 0 280px; width: 280px; padding: 12px; border-radius: 16px; }
  .add-column-btn { flex: 0 0 260px; height: 52px; font-size: 14px; border-radius: 14px; }

  .card { padding: 10px 12px; border-radius: 12px; }
  .card-title { font-size: 14px; }
  .card-desc { font-size: 12px; margin-top: 6px; }
  .card-del { width: 22px; height: 22px; font-size: 13px; }

  .add-card-mini { padding: 8px 10px; font-size: 13px; }

  .modal { width: 94vw; padding: 20px; border-radius: 20px; }
  .modal-title { font-size: 18px; }
  .modal-hint { font-size: 13px; }
  .field input, .field textarea, .field select { padding: 12px 14px; font-size: 14px; }
  .btn { padding: 10px 16px; font-size: 13px; }

  .group-row { padding: 8px 10px; gap: 8px; }
  .color-dot { width: 20px; height: 20px; }
  .group-name-input { padding: 8px 12px; font-size: 13px; }

  .toast { padding: 12px 18px; font-size: 12px; bottom: 20px; }
}

/* 小屏幕手机 */
@media (max-width: 400px) {
  .logo { font-size: 15px; }
  .logo-icon { width: 30px; height: 30px; font-size: 22px; }
  .logo-icon svg { width: 18px; height: 18px; }

  .column { flex: 0 0 260px; width: 260px; padding: 10px; }

  .card { padding: 9px 11px; }
  .card-title { font-size: 13px; }
  .card-desc { font-size: 11px; }
}

/* 超大屏幕 */
@media (min-width: 1600px) {
  .board { padding: 28px 32px; gap: 24px; }
  .column { flex: 0 0 360px; width: 360px; max-height: calc(100vh - 200px); }
  .column-new { flex: 0 0 360px; width: 360px; }
  .add-column-btn { flex: 0 0 340px; }

  .topbar-stats { gap: 20px; padding: 0 20px; }
  .topbar-stat-number { font-size: 22px; }
  .topbar-stat-label { font-size: 11px; }
  .topbar-stat-divider { height: 32px; }
}

@media (min-width: 1920px) {
  .column { flex: 0 0 380px; width: 380px; }
  .column-new { flex: 0 0 380px; width: 380px; }
}