/* ============================================
   Project Tracker - 项目管理看板 (UI/UX Pro Max)
   风格: Minimalism + Micro SaaS
   配色: Indigo (#6366F1) + Emerald (#10B981)
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* 主色 - Micro SaaS palette */
  --color-primary: #6366f1;
  --color-primary-light: #eef2ff;
  --color-primary-dark: #4f46e5;
  --color-primary-50: #f0f0ff;
  --color-accent: #10b981;
  --color-accent-light: #d1fae5;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  /* 中性色 - 更细腻的层级 */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* 布局 */
  --sidebar-width: 240px;
  --header-height: 60px;

  /* 圆角 - 更现代 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* 阴影 - 多层设计 */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.04);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.12), 0 6px 16px rgba(0,0,0,0.06);

  /* 动画 */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
               'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Menlo', 'Consolas', monospace;
}

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

html, body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-gray-800);
  background: var(--color-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-gray-400); }

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

/* ---------- Sidebar ---------- */
.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
  border-right: 1px solid rgba(255,255,255,0.06);
}

.sidebar-header {
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar-header h1 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #fff 60%, rgba(255,255,255,0.6));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-header .subtitle {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  margin-top: 2px;
  font-weight: 400;
  letter-spacing: 0.3px;
}

.sidebar-nav {
  padding: 12px 8px;
  flex: 1;
  overflow-y: auto;
}

.sidebar-section-title {
  font-size: 10px;
  font-weight: 600;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 12px 12px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.55);
  font-size: 13px;
  font-weight: 450;
  transition: all var(--transition-fast);
  cursor: pointer;
  user-select: none;
  position: relative;
}

.nav-item:hover {
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.9);
}

.nav-item.active {
  background: rgba(99, 102, 241, 0.2);
  color: #fff;
  font-weight: 500;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 0 3px 3px 0;
}

.nav-item .project-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.nav-item:hover .project-dot {
  transform: scale(1.2);
}

.nav-item .project-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-item .project-count {
  font-size: 11px;
  font-weight: 500;
  color: rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.06);
  padding: 1px 7px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
  transition: all var(--transition-fast);
}

.nav-item.active .project-count {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8);
}

/* ---------- Empty State ---------- */
.sidebar-empty {
  padding: 24px 16px;
  text-align: center;
  color: rgba(255,255,255,0.3);
  font-size: 12px;
  line-height: 1.7;
}

/* ---------- Main Content ---------- */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  background: var(--color-gray-50);
}

/* ---------- Top Bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: var(--header-height);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.topbar-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-gray-900);
  letter-spacing: -0.3px;
}

.topbar-subtitle {
  font-size: 13px;
  color: var(--color-gray-400);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: none;
  background: var(--color-gray-100);
  border-radius: var(--radius-sm);
  color: var(--color-gray-500);
  font-size: 16px;
  transition: all var(--transition-fast);
}

.back-btn:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-800);
  transform: translateX(-2px);
}

/* ---------- Content Area ---------- */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

/* ---------- Welcome Screen ---------- */
.welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 40px;
  color: var(--color-gray-400);
}

.welcome-icon {
  margin-bottom: 20px;
  opacity: 0.6;
  filter: grayscale(0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.welcome-icon svg {
  width: 56px;
  height: 56px;
}

.welcome h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-gray-800);
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.welcome p {
  font-size: 15px;
  margin-bottom: 28px;
  max-width: 400px;
  line-height: 1.7;
  color: var(--color-gray-500);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition-fast);
  white-space: nowrap;
  outline: none;
  position: relative;
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.35);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}
.btn-secondary:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-900);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--color-gray-400);
}
.btn-ghost:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
  border-radius: 5px;
}

.btn-lg {
  padding: 12px 28px;
  font-size: 15px;
  border-radius: var(--radius-md);
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  transition: all var(--transition-base);
}

.stat-card:hover {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-card .stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-gray-400);
  margin-bottom: 6px;
  letter-spacing: 0.2px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-gray-900);
  letter-spacing: -1px;
  line-height: 1.2;
}

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

/* ---------- Project Grid (Bento-inspired) ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 16px;
}

.project-card {
  background: #fff;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 22px;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

/* subtle gradient accent on top */
.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover::before {
  opacity: 1;
}

.project-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.project-card:active {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.project-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.project-card .project-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.8), 0 0 0 3px currentColor;
}

.project-card .project-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-gray-900);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-card .project-desc {
  font-size: 12px;
  color: var(--color-gray-400);
  margin-bottom: 14px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-card .project-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-gray-400);
  margin-top: 10px;
}

/* ---------- Progress Bar ---------- */
.progress-bar {
  height: 6px;
  background: var(--color-gray-100);
  border-radius: 3px;
  overflow: hidden;
  margin: 8px 0;
}

.progress-bar .progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  transition: width var(--transition-slow);
  position: relative;
}

.progress-bar .progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-bar .progress-fill.success { background: var(--color-success); }
.progress-bar .progress-fill.warning { background: var(--color-warning); }
.progress-bar .progress-fill.danger { background: var(--color-danger); }

/* ---------- Section Header ---------- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-gray-800);
  letter-spacing: -0.3px;
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-gray-200);
  margin-bottom: 24px;
}

.tab {
  padding: 11px 22px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gray-400);
  border: none;
  background: none;
  border-bottom: 2.5px solid transparent;
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.tab:hover {
  color: var(--color-gray-700);
  background: var(--color-gray-50);
}

.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

/* ---------- Work Items List ---------- */
.item-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.item-row {
  background: #fff;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: all var(--transition-fast);
}

.item-row:hover {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-sm);
}

.item-row-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.item-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.05);
}
.item-status-dot.todo { background: var(--color-gray-300); }
.item-status-dot.in_progress { background: var(--color-primary); }
.item-status-dot.completed { background: var(--color-success); }
.item-status-dot.delayed { background: var(--color-danger); }

.item-name {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-800);
}

.item-name.completed {
  text-decoration: line-through;
  color: var(--color-gray-400);
}

.item-priority {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.item-priority.high { background: #fef2f2; color: #dc2626; }
.item-priority.medium { background: #fffbeb; color: #d97706; }
.item-priority.low { background: #ecfdf5; color: #059669; }

.item-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.item-row:hover .item-actions {
  opacity: 1;
}

.item-progress-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.item-progress-row .progress-bar {
  flex: 1;
  margin: 0;
}

.item-progress-row .progress-text {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-gray-500);
  min-width: 36px;
  text-align: right;
}

.item-dates {
  display: flex;
  gap: 16px;
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-gray-400);
  flex-wrap: wrap;
}

.item-dates .date-label {
  color: var(--color-gray-500);
  font-weight: 500;
}

.item-dates .date-delay {
  color: var(--color-danger);
  font-weight: 600;
  background: #fef2f2;
  padding: 0 7px;
  border-radius: 4px;
}

.item-dates .date-ahead {
  color: var(--color-success);
  font-weight: 600;
  background: #f0fdf4;
  padding: 0 7px;
  border-radius: 4px;
}

/* ---------- Daily Logs ---------- */
.item-detail {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--color-gray-100);
}

.log-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-entry {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 9px 12px;
  background: var(--color-gray-50);
  border-radius: var(--radius-sm);
  font-size: 12px;
  border-left: 3px solid var(--color-primary);
}

.log-entry .log-date {
  color: var(--color-gray-500);
  font-weight: 500;
  min-width: 65px;
  flex-shrink: 0;
}

.log-entry .log-hours {
  color: var(--color-primary);
  font-weight: 600;
  min-width: 42px;
  flex-shrink: 0;
}

.log-entry .log-progress {
  color: var(--color-success);
  font-weight: 600;
  min-width: 42px;
  flex-shrink: 0;
}

.log-entry .log-note {
  color: var(--color-gray-600);
  flex: 1;
}

.log-empty {
  text-align: center;
  color: var(--color-gray-400);
  font-size: 12px;
  padding: 20px;
}

/* ---------- Gantt Chart ---------- */
.gantt-container {
  background: #fff;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: auto;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.gantt-container canvas {
  display: block;
  width: 100%;
}

.gantt-tooltip {
  position: fixed;
  z-index: 1000;
  background: var(--color-gray-900);
  color: #fff;
  font-size: 12px;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  pointer-events: none;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: opacity 0.15s;
  font-weight: 450;
}

.gantt-tooltip.visible {
  opacity: 1;
}

/* ---------- Modals ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: #fff;
  border-radius: var(--radius-xl);
  width: 500px;
  max-width: 92vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(12px) scale(0.97);
  transition: transform var(--transition-base);
}

.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px 0;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-gray-900);
  letter-spacing: -0.3px;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--color-gray-100);
  font-size: 18px;
  color: var(--color-gray-400);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-700);
  transform: rotate(90deg);
}

.modal-body {
  padding: 22px 28px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 0 28px 24px;
}

/* ---------- Form Fields ---------- */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: 6px;
}

.form-group .hint {
  font-size: 11px;
  color: var(--color-gray-400);
  margin-top: 5px;
}

.form-control {
  width: 100%;
  padding: 9px 13px;
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--color-gray-800);
  background: #fff;
  transition: all var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.form-control::placeholder {
  color: var(--color-gray-400);
}

textarea.form-control {
  resize: vertical;
  min-height: 64px;
}

select.form-control {
  appearance: auto;
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-control-color {
  width: 42px;
  height: 38px;
  padding: 2px;
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.form-control-color:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

/* ---------- Confirm Dialog ---------- */
.confirm-text {
  font-size: 14px;
  color: var(--color-gray-600);
  line-height: 1.7;
}

.confirm-text strong {
  color: var(--color-gray-900);
}

/* ---------- Filter Bar ---------- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--color-primary-50);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-md);
  font-size: 13px;
}

/* ---------- Drag & Drop ---------- */
.project-card.dragging {
  opacity: 0.35 !important;
  transform: scale(0.95);
  cursor: grabbing;
  box-shadow: var(--shadow-lg);
}

.project-card.drag-over {
  border-color: var(--color-primary) !important;
  border-style: dashed;
  background: var(--color-primary-light);
  transform: translateY(3px);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.15);
}

.project-card[draggable="true"] {
  cursor: grab;
}

.project-card[draggable="true"]:active {
  cursor: grabbing;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .sidebar {
    width: 60px;
  }
  .sidebar .project-name,
  .sidebar .project-count,
  .sidebar .subtitle,
  .sidebar-section-title {
    display: none;
  }
  .sidebar-header h1 {
    font-size: 14px;
    text-align: center;
  }
  .sidebar .nav-item {
    justify-content: center;
    padding: 8px;
  }
  .project-grid {
    grid-template-columns: 1fr;
  }
  .stats-bar {
    grid-template-columns: 1fr 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .content {
    padding: 20px 16px;
  }
  .topbar {
    padding: 0 16px;
  }
}

/* ---------- Animation ---------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.3s ease-out;
}