/* ============================================================
   EdgeFlux Wool Hunter — Element UI + Electron Style Theme
   ============================================================ */

/* ---- CSS Variables (Design Tokens) ---- */
:root {
  /* Primary Colors — Element UI Blue */
  --el-color-primary: #409EFF;
  --el-color-primary-light-3: #79bbff;
  --el-color-primary-light-5: #a0cfff;
  --el-color-primary-light-7: #c6e2ff;
  --el-color-primary-light-9: #ecf5ff;
  --el-color-primary-dark-2: #337ecc;

  /* Success / Warning / Danger / Info */
  --el-color-success: #67c23a;
  --el-color-success-light-9: #f0f9eb;
  --el-color-warning: #e6a23c;
  --el-color-warning-light-9: #fdf6ec;
  --el-color-danger: #f56c6c;
  --el-color-danger-light-9: #fef0f0;
  --el-color-info: #909399;
  --el-color-info-light-9: #f4f4f5;

  /* Text Colors */
  --el-text-color-primary: #303133;
  --el-text-color-regular: #606266;
  --el-text-color-secondary: #909399;
  --el-text-color-placeholder: #a8abb2;

  /* Border */
  --el-border-color: #dcdfe6;
  --el-border-color-light: #e4e7ed;
  --el-border-color-lighter: #ebeef5;
  --el-border-color-extra-light: #f2f6fc;
  --el-border-radius-base: 4px;
  --el-border-radius-small: 2px;
  --el-border-radius-round: 20px;

  /* Background */
  --el-bg-color: #ffffff;
  --el-bg-color-page: #f0f2f5;
  --el-bg-color-overlay: #ffffff;

  /* Fill */
  --el-fill-color-blank: #ffffff;
  --el-fill-color-light: #f5f7fa;
  --el-fill-color-lighter: #fafafa;
  --el-fill-color-dark: #ebedf0;

  /* Shadow */
  --el-box-shadow: 0 12px 32px 4px rgba(0, 0, 0, .04), 0 8px 20px rgba(0, 0, 0, .08);
  --el-box-shadow-light: 0 0 12px rgba(0, 0, 0, .12);
  --el-box-shadow-lighter: 0 0 6px rgba(0, 0, 0, .12);
  --el-box-shadow-dark: 0 16px 48px 16px rgba(0, 0, 0, .08), 0 12px 32px rgba(0, 0, 0, .12);

  /* Electron Sidebar */
  --sidebar-bg: #263040;
  --sidebar-hover: #2d3a50;
  --sidebar-active: #1d2535;
  --sidebar-text: #c0c4cc;
  --sidebar-text-active: #ffffff;
  --sidebar-width: 220px;
  --sidebar-width-collapsed: 56px;

  /* Titlebar */
  --titlebar-bg: #1e2a3a;
  --titlebar-height: 38px;

  /* Transition */
  --el-transition-duration: 0.3s;
  --el-transition-duration-fast: 0.2s;

  /* Font */
  --el-font-size-base: 14px;
  --el-font-size-small: 13px;
  --el-font-size-extra-small: 12px;
  --el-font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --el-font-family-mono: 'Consolas', 'Monaco', 'Courier New', monospace;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--el-font-size-base);
  font-family: var(--el-font-family);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--el-bg-color-page);
  color: var(--el-text-color-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--el-color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--el-color-primary-light-3);
}

button {
  cursor: pointer;
  font-family: var(--el-font-family);
  border: none;
  outline: none;
}

/* ---- App Layout Shell ---- */
#app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ============================================================
   TITLEBAR — Electron-style window title bar
   ============================================================ */
#titlebar {
  height: var(--titlebar-height);
  background: var(--titlebar-bg);
  display: flex;
  align-items: center;
  padding: 0 12px;
  user-select: none;
  -webkit-app-region: drag;
  flex-shrink: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.titlebar-traffic-lights {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: 12px;
  -webkit-app-region: no-drag;
}

.traffic-light {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  cursor: default;
  transition: filter 0.15s;
}
.traffic-light:hover { filter: brightness(1.2); }
.traffic-light.close { background: #ff5f57; }
.traffic-light.minimize { background: #ffbd2e; }
.traffic-light.maximize { background: #28ca41; }

.titlebar-title {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.titlebar-logo {
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, #409EFF, #67c23a);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
}

.titlebar-app-name {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.3px;
}

.titlebar-version {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  font-family: var(--el-font-family-mono);
  background: rgba(255,255,255,0.08);
  padding: 1px 6px;
  border-radius: 3px;
}

.titlebar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  -webkit-app-region: no-drag;
}

/* Countdown pill in titlebar */
.titlebar-countdown {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--el-border-radius-round);
  padding: 3px 10px;
}

.titlebar-countdown .live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #67c23a;
  animation: pulse-dot 1.8s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.titlebar-countdown-time {
  color: #79bbff;
  font-family: var(--el-font-family-mono);
  font-weight: 600;
}

/* Titlebar Buttons */
.tb-btn {
  height: 26px;
  padding: 0 10px;
  border-radius: var(--el-border-radius-base);
  font-size: 12px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: background var(--el-transition-duration-fast), opacity var(--el-transition-duration-fast);
  -webkit-app-region: no-drag;
  border: 1px solid transparent;
  color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.1);
}

.tb-btn:hover {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.95);
}

.tb-btn.primary {
  background: var(--el-color-primary);
  border-color: var(--el-color-primary);
  color: #ffffff;
}

.tb-btn.primary:hover {
  background: var(--el-color-primary-light-3);
  border-color: var(--el-color-primary-light-3);
}

.tb-btn:disabled,
.tb-btn.loading {
  opacity: 0.65;
  cursor: not-allowed;
}

/* ============================================================
   BODY CONTENT — Sidebar + Main
   ============================================================ */
#body-content {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ============================================================
   SIDEBAR — Electron-style dark navigation
   ============================================================ */
#sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
  transition: width var(--el-transition-duration) ease;
  border-right: 1px solid rgba(255,255,255,0.05);
  z-index: 100;
}

#sidebar.collapsed {
  width: var(--sidebar-width-collapsed);
}

.sidebar-header {
  padding: 16px 14px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar-stats-mini {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--sidebar-text);
}

.sidebar-stat-label {
  opacity: 0.7;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-stat-value {
  font-family: var(--el-font-family-mono);
  font-weight: 700;
  color: var(--sidebar-text-active);
  font-size: 14px;
}

.sidebar-nav {
  padding: 8px 0;
  flex: 1;
  overflow-y: auto;
}

.sidebar-nav::-webkit-scrollbar { width: 3px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }

.sidebar-section-title {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 8px 14px 4px;
  font-weight: 600;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  cursor: pointer;
  border-radius: var(--el-border-radius-base);
  margin: 0 6px;
  transition: background var(--el-transition-duration-fast), color var(--el-transition-duration-fast);
  color: var(--sidebar-text);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-text-active);
}

.nav-item.active {
  background: var(--el-color-primary);
  color: var(--sidebar-text-active);
  box-shadow: 0 2px 8px rgba(64, 158, 255, 0.35);
}

.nav-item .nav-icon {
  font-size: 15px;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}

.nav-item .nav-badge {
  margin-left: auto;
  background: var(--el-color-danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 8px;
  min-width: 18px;
  text-align: center;
  font-family: var(--el-font-family-mono);
}

.nav-item .nav-badge.success {
  background: var(--el-color-success);
}

.sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 11px;
  color: rgba(255,255,255,0.25);
  white-space: nowrap;
  overflow: hidden;
}

/* ============================================================
   MAIN CONTENT AREA
   ============================================================ */
#main-content {
  flex: 1;
  overflow-y: auto;
  background: var(--el-bg-color-page);
  display: flex;
  flex-direction: column;
}

#main-content::-webkit-scrollbar { width: 6px; }
#main-content::-webkit-scrollbar-track { background: var(--el-bg-color-page); }
#main-content::-webkit-scrollbar-thumb { background: var(--el-border-color); border-radius: 3px; }
#main-content::-webkit-scrollbar-thumb:hover { background: var(--el-border-color-light); }

/* ============================================================
   PAGE HEADER (inside main content)
   ============================================================ */
.page-header {
  background: var(--el-bg-color);
  border-bottom: 1px solid var(--el-border-color-lighter);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.page-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--el-text-color-primary);
}

.page-subtitle {
  font-size: 12px;
  color: var(--el-text-color-secondary);
  margin-top: 1px;
}

/* ============================================================
   STATS CARDS ROW
   ============================================================ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  padding: 18px 24px 0;
}

@media (max-width: 1200px) {
  .stats-row { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 800px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}

.stat-card {
  background: var(--el-bg-color);
  border: 1px solid var(--el-border-color-lighter);
  border-radius: var(--el-border-radius-base);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--el-transition-duration-fast), transform var(--el-transition-duration-fast);
}

.stat-card:hover {
  box-shadow: var(--el-box-shadow-lighter);
  transform: translateY(-1px);
}

.stat-card-icon {
  font-size: 20px;
  margin-bottom: 8px;
}

.stat-card-label {
  font-size: 12px;
  color: var(--el-text-color-secondary);
  margin-bottom: 4px;
  font-weight: 500;
}

.stat-card-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--el-text-color-primary);
  font-family: var(--el-font-family-mono);
  line-height: 1.2;
}

.stat-card-sub {
  font-size: 11px;
  color: var(--el-text-color-secondary);
  margin-top: 4px;
}

.stat-card.primary .stat-card-value { color: var(--el-color-primary); }
.stat-card.success .stat-card-value { color: var(--el-color-success); }
.stat-card.warning .stat-card-value { color: var(--el-color-warning); }
.stat-card.danger  .stat-card-value { color: var(--el-color-danger); }
.stat-card.info    .stat-card-value { color: var(--el-color-info); }

.stat-card-accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  border-radius: var(--el-border-radius-small) 0 0 var(--el-border-radius-small);
}
.stat-card.primary .stat-card-accent { background: var(--el-color-primary); }
.stat-card.success .stat-card-accent { background: var(--el-color-success); }
.stat-card.warning .stat-card-accent { background: var(--el-color-warning); }
.stat-card.danger  .stat-card-accent { background: var(--el-color-danger); }
.stat-card.info    .stat-card-accent { background: var(--el-color-info); }

/* ============================================================
   FILTER & SEARCH BAR
   ============================================================ */
.filter-bar {
  background: var(--el-bg-color);
  border: 1px solid var(--el-border-color-lighter);
  border-radius: var(--el-border-radius-base);
  margin: 14px 24px 0;
  padding: 12px 16px;
}

.filter-bar-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-bar-row + .filter-bar-row {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--el-border-color-lighter);
}

/* El-style Tabs */
.el-tabs-bar {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--el-border-color);
  border-radius: var(--el-border-radius-base);
  overflow: hidden;
  flex-shrink: 0;
}

.el-tab {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  background: var(--el-fill-color-lighter);
  color: var(--el-text-color-regular);
  border: none;
  border-right: 1px solid var(--el-border-color);
  transition: background var(--el-transition-duration-fast), color var(--el-transition-duration-fast);
  white-space: nowrap;
}

.el-tab:last-child { border-right: none; }
.el-tab:hover { background: var(--el-color-primary-light-9); color: var(--el-color-primary); }
.el-tab.active {
  background: var(--el-color-primary);
  color: #ffffff;
  font-weight: 600;
}

/* El-style Button Tags (difficulty) */
.el-btn-tag {
  padding: 4px 10px;
  border-radius: var(--el-border-radius-base);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--el-border-color);
  background: var(--el-fill-color-lighter);
  color: var(--el-text-color-regular);
  transition: all var(--el-transition-duration-fast);
  white-space: nowrap;
}

.el-btn-tag:hover {
  border-color: var(--el-color-primary-light-5);
  color: var(--el-color-primary);
  background: var(--el-color-primary-light-9);
}

.el-btn-tag.active {
  border-color: var(--el-color-primary);
  background: var(--el-color-primary-light-9);
  color: var(--el-color-primary);
  font-weight: 600;
}

/* Difficulty tag colors */
.el-btn-tag.diff-1.active { border-color: var(--el-color-success); color: var(--el-color-success); background: var(--el-color-success-light-9); }
.el-btn-tag.diff-2.active { border-color: var(--el-color-primary); color: var(--el-color-primary); background: var(--el-color-primary-light-9); }
.el-btn-tag.diff-3.active { border-color: var(--el-color-warning); color: var(--el-color-warning); background: var(--el-color-warning-light-9); }
.el-btn-tag.diff-4.active { border-color: var(--el-color-danger); color: var(--el-color-danger); background: var(--el-color-danger-light-9); }

/* Category pills */
.cat-pill {
  padding: 4px 12px;
  border-radius: var(--el-border-radius-round);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--el-border-color);
  background: var(--el-fill-color-lighter);
  color: var(--el-text-color-regular);
  transition: all var(--el-transition-duration-fast);
  white-space: nowrap;
}

.cat-pill:hover {
  border-color: var(--el-color-primary-light-5);
  color: var(--el-color-primary);
}

.cat-pill.active {
  border-color: var(--el-color-primary);
  background: var(--el-color-primary);
  color: #ffffff;
  font-weight: 600;
}

/* Search Input */
.el-input-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 320px;
}

.el-input {
  width: 100%;
  height: 32px;
  border: 1px solid var(--el-border-color);
  border-radius: var(--el-border-radius-base);
  padding: 0 32px 0 10px;
  font-size: 13px;
  color: var(--el-text-color-primary);
  background: var(--el-fill-color-blank);
  outline: none;
  font-family: var(--el-font-family);
  transition: border-color var(--el-transition-duration-fast);
}

.el-input:focus {
  border-color: var(--el-color-primary);
  box-shadow: 0 0 0 2px rgba(64, 158, 255, 0.15);
}

.el-input-suffix {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--el-text-color-placeholder);
  font-size: 14px;
  pointer-events: none;
}

.filter-label {
  font-size: 12px;
  color: var(--el-text-color-secondary);
  flex-shrink: 0;
}

/* ============================================================
   SECTION HEADER (Task Grid Header)
   ============================================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px 8px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--el-text-color-primary);
}

.count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 20px;
  min-width: 20px;
  padding: 0 6px;
  background: var(--el-color-primary-light-9);
  color: var(--el-color-primary);
  border-radius: var(--el-border-radius-round);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--el-font-family-mono);
}

.section-meta {
  font-size: 12px;
  color: var(--el-text-color-secondary);
}

/* ============================================================
   TASK CARDS GRID
   ============================================================ */
.tasks-grid {
  padding: 0 24px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

@media (max-width: 700px) {
  .tasks-grid { grid-template-columns: 1fr; padding: 0 12px 16px; }
}

/* ---- Task Card ---- */
.wool-card {
  background: var(--el-bg-color);
  border: 1px solid var(--el-border-color-lighter);
  border-radius: var(--el-border-radius-base);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: box-shadow var(--el-transition-duration-fast), transform var(--el-transition-duration-fast), border-color var(--el-transition-duration-fast);
  position: relative;
  overflow: hidden;
}

.wool-card:hover {
  box-shadow: var(--el-box-shadow-light);
  transform: translateY(-2px);
  border-color: var(--el-color-primary-light-7);
}

.wool-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.wool-card-badges {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

/* El-style Tags */
.el-tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--el-border-radius-base);
  font-size: 11px;
  font-weight: 500;
  border: 1px solid transparent;
  white-space: nowrap;
}

.el-tag.primary { background: var(--el-color-primary-light-9); color: var(--el-color-primary); border-color: var(--el-color-primary-light-7); }
.el-tag.success { background: var(--el-color-success-light-9); color: var(--el-color-success); border-color: rgba(103, 194, 58, 0.3); }
.el-tag.warning { background: var(--el-color-warning-light-9); color: var(--el-color-warning); border-color: rgba(230, 162, 60, 0.3); }
.el-tag.danger  { background: var(--el-color-danger-light-9);  color: var(--el-color-danger);  border-color: rgba(245, 108, 108, 0.3); }
.el-tag.info    { background: var(--el-color-info-light-9);    color: var(--el-color-info);    border-color: rgba(144, 147, 153, 0.3); }
.el-tag.gold    { background: #fff8e6; color: #b88a00; border-color: #ffe58f; }

/* Difficulty tags */
.diff-tag-1 { background: var(--el-color-success-light-9); color: var(--el-color-success); border-color: rgba(103, 194, 58, 0.35); }
.diff-tag-2 { background: var(--el-color-primary-light-9); color: var(--el-color-primary); border-color: var(--el-color-primary-light-7); }
.diff-tag-3 { background: var(--el-color-warning-light-9); color: var(--el-color-warning); border-color: rgba(230, 162, 60, 0.35); }
.diff-tag-4 { background: var(--el-color-danger-light-9);  color: var(--el-color-danger);  border-color: rgba(245, 108, 108, 0.35); }

.value-tag {
  font-size: 12px;
  font-weight: 700;
  color: #b88a00;
  background: #fff8e6;
  border: 1px solid #ffe58f;
  border-radius: var(--el-border-radius-base);
  padding: 2px 8px;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.platform-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--el-color-primary);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.wool-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--el-text-color-primary);
  margin-bottom: 6px;
  line-height: 1.45;
  cursor: pointer;
  transition: color var(--el-transition-duration-fast);
}

.wool-card-title:hover { color: var(--el-color-primary); }

.wool-card-desc {
  font-size: 12px;
  color: var(--el-text-color-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
  flex: 1;
}

.wool-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 12px;
}

.card-mini-tag {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 3px;
  font-size: 11px;
  background: var(--el-fill-color-light);
  color: var(--el-text-color-secondary);
  border: 1px solid var(--el-border-color-lighter);
}

.wool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid var(--el-border-color-lighter);
}

/* El-style Buttons */
.el-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 30px;
  padding: 0 12px;
  border-radius: var(--el-border-radius-base);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--el-transition-duration-fast);
  font-family: var(--el-font-family);
  white-space: nowrap;
  text-decoration: none;
  color: inherit;
}

.el-btn.el-btn--primary {
  background: var(--el-color-primary);
  border-color: var(--el-color-primary);
  color: #ffffff;
}
.el-btn.el-btn--primary:hover {
  background: var(--el-color-primary-light-3);
  border-color: var(--el-color-primary-light-3);
}

.el-btn.el-btn--default {
  background: var(--el-fill-color-blank);
  border-color: var(--el-border-color);
  color: var(--el-text-color-regular);
}
.el-btn.el-btn--default:hover {
  border-color: var(--el-color-primary-light-5);
  color: var(--el-color-primary);
  background: var(--el-color-primary-light-9);
}

.el-btn.el-btn--text {
  background: transparent;
  border-color: transparent;
  color: var(--el-color-primary);
  padding: 0 4px;
  height: auto;
}
.el-btn.el-btn--text:hover {
  background: var(--el-color-primary-light-9);
  border-radius: var(--el-border-radius-base);
}

.el-btn:disabled, .el-btn.is-loading {
  opacity: 0.65;
  cursor: not-allowed;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  text-align: center;
  color: var(--el-text-color-secondary);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.6;
}

.empty-state-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--el-text-color-regular);
  margin-bottom: 6px;
}

.empty-state-sub {
  font-size: 13px;
  color: var(--el-text-color-secondary);
}

/* ============================================================
   MODALS — El-style Dialog
   ============================================================ */
.el-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.el-overlay.hidden {
  display: none;
}

.el-dialog {
  background: var(--el-bg-color-overlay);
  border-radius: var(--el-border-radius-base);
  box-shadow: var(--el-box-shadow-dark);
  width: 100%;
  max-width: 620px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: dialog-enter 0.22s ease;
}

@keyframes dialog-enter {
  from { opacity: 0; transform: translateY(-16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.el-dialog--wide {
  max-width: 760px;
}

.el-dialog__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--el-border-color-lighter);
  flex-shrink: 0;
}

.el-dialog__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--el-text-color-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.el-dialog__subtitle {
  font-size: 12px;
  color: var(--el-text-color-secondary);
  margin-top: 2px;
}

.el-dialog__close {
  width: 28px;
  height: 28px;
  border-radius: var(--el-border-radius-base);
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--el-text-color-secondary);
  cursor: pointer;
  font-size: 16px;
  transition: background var(--el-transition-duration-fast), color var(--el-transition-duration-fast);
}
.el-dialog__close:hover {
  background: var(--el-fill-color-light);
  color: var(--el-text-color-primary);
}

.el-dialog__body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.el-dialog__body::-webkit-scrollbar { width: 5px; }
.el-dialog__body::-webkit-scrollbar-thumb { background: var(--el-border-color); border-radius: 3px; }

.el-dialog__footer {
  padding: 12px 20px;
  border-top: 1px solid var(--el-border-color-lighter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

/* Detail Modal Sections */
.detail-section {
  background: var(--el-fill-color-lighter);
  border: 1px solid var(--el-border-color-lighter);
  border-radius: var(--el-border-radius-base);
  padding: 12px 14px;
}

.detail-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--el-text-color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 8px;
}

.detail-section-body {
  font-size: 13px;
  color: var(--el-text-color-regular);
  line-height: 1.65;
  white-space: pre-line;
}

/* Code Block */
.code-block-wrap {
  position: relative;
}

.code-block {
  background: #1e2230;
  color: #a8ff78;
  border-radius: var(--el-border-radius-base);
  padding: 12px 14px;
  font-family: var(--el-font-family-mono);
  font-size: 12px;
  line-height: 1.6;
  overflow-x: auto;
  border: 1px solid rgba(255,255,255,0.06);
}

.code-block::-webkit-scrollbar { height: 4px; }
.code-block::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); }

.code-copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.6);
  border-radius: var(--el-border-radius-small);
  padding: 2px 8px;
  font-size: 11px;
  cursor: pointer;
  transition: background var(--el-transition-duration-fast);
}
.code-copy-btn:hover { background: rgba(255,255,255,0.18); color: #fff; }

/* Modal Badge row */
.modal-badge-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.modal-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--el-text-color-primary);
  margin-bottom: 4px;
  line-height: 1.4;
}

.modal-platform {
  font-size: 12px;
  color: var(--el-color-primary);
  font-weight: 500;
}

/* ============================================================
   LOGS DIALOG
   ============================================================ */
.log-entry {
  background: var(--el-fill-color-lighter);
  border: 1px solid var(--el-border-color-lighter);
  border-radius: var(--el-border-radius-base);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-entry-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}

.log-time {
  color: var(--el-text-color-secondary);
  font-family: var(--el-font-family-mono);
}

.log-message {
  font-size: 12px;
  color: var(--el-text-color-regular);
  font-weight: 500;
}

.log-stats {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 11px;
  color: var(--el-text-color-secondary);
  font-family: var(--el-font-family-mono);
}

/* ============================================================
   TOAST NOTIFICATION — El-style Message
   ============================================================ */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
  min-width: 240px;
  max-width: 380px;
  padding: 10px 16px;
  border-radius: var(--el-border-radius-base);
  background: var(--el-bg-color);
  box-shadow: var(--el-box-shadow);
  border-left: 4px solid var(--el-color-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--el-text-color-primary);
  transition: opacity 0.3s, transform 0.3s;
}

#toast.hidden {
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
}

#toast.error-toast {
  border-left-color: var(--el-color-danger);
}

#toast-icon {
  font-size: 15px;
  flex-shrink: 0;
}

/* ============================================================
   SPIN ANIMATION
   ============================================================ */
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.spinning {
  display: inline-block;
  animation: spin 0.9s linear infinite;
}

/* ============================================================
   FOOTER
   ============================================================ */
.app-footer {
  border-top: 1px solid var(--el-border-color-lighter);
  background: var(--el-bg-color);
  padding: 10px 24px;
  font-size: 11px;
  color: var(--el-text-color-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  margin-top: auto;
}

/* ============================================================
   RESPONSIVE — Sidebar Collapse
   ============================================================ */
@media (max-width: 900px) {
  #sidebar {
    position: fixed;
    top: var(--titlebar-height);
    left: 0;
    height: calc(100vh - var(--titlebar-height));
    z-index: 500;
    transform: translateX(-100%);
    transition: transform var(--el-transition-duration) ease, width var(--el-transition-duration) ease;
  }
  #sidebar.mobile-open {
    transform: translateX(0);
  }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .filter-bar-row { flex-direction: column; align-items: flex-start; }
  .el-input-wrap { max-width: 100%; width: 100%; }
  .page-header { padding: 10px 16px; }
  .stats-row, .filter-bar { margin-left: 16px; margin-right: 16px; }
  .tasks-grid { padding-left: 16px; padding-right: 16px; }
  .section-header { padding-left: 16px; padding-right: 16px; }
}

/* Mobile sidebar toggle button */
#mobile-sidebar-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--el-border-radius-base);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  font-size: 16px;
  -webkit-app-region: no-drag;
  margin-right: 6px;
}

@media (max-width: 900px) {
  #mobile-sidebar-toggle { display: flex; }
}

/* Sidebar overlay for mobile */
#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 450;
  background: rgba(0, 0, 0, 0.4);
}
#sidebar-overlay.visible { display: block; }