:root {
  /* Colors - Dark Theme Focus (Sleek & Premium) */
  --bg-main: #0a0a0a;
  --bg-panel: #141414;
  --bg-panel-hover: #1f1f1f;
  --bg-element: #262626;
  
  --text-primary: #ededed;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  --border-color: #27272a;
  --border-light: #3f3f46;
  
  /* Accents */
  --accent-color: #8b5cf6;
  --accent-hover: #7c3aed;
  --accent-light: rgba(139, 92, 246, 0.15);
  
  /* Status Colors */
  --status-upcoming: #3b82f6; /* Blue */
  --status-upcoming-bg: rgba(59, 130, 246, 0.15);
  
  --status-overdue: #ef4444; /* Red */
  --status-overdue-bg: rgba(239, 68, 68, 0.15);
  
  --status-done: #10b981; /* Green */
  --status-done-bg: rgba(16, 185, 129, 0.15);
  
  --status-warning: #f59e0b; /* Amber */
  --status-warning-bg: rgba(245, 158, 11, 0.15);
  
  /* Metrics & Shadows */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.5), 0 2px 4px -1px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.6), 0 4px 6px -2px rgba(0,0,0,0.4);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-bounce: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* Layout */
  --sidebar-width: 260px;
  --topbar-height: 70px;
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.5;
  font-size: 15px;
  display: flex;
  height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-hover);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: 15px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* UI Components */

/* Buttons */
.btn-primary, .btn-primary-sm, .btn-outline, .btn-outline-sm, .btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-normal);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color) 0%, #6d28d9 100%);
  color: white;
  padding: 10px 18px;
  box-shadow: 0 4px 14px 0 rgba(139, 92, 246, 0.39);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
  background: linear-gradient(135deg, var(--accent-hover) 0%, #5b21b6 100%);
}

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

.btn-primary-sm {
  background: var(--accent-color);
  color: white;
  padding: 6px 12px;
  font-size: 13px;
  border-radius: var(--radius-sm);
}
.btn-primary-sm:hover { background: var(--accent-hover); }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  padding: 9px 17px;
}

.btn-outline:hover {
  background: var(--bg-element);
  border-color: var(--text-secondary);
}

.btn-outline-sm {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 5px 10px;
  font-size: 13px;
  border-radius: var(--radius-sm);
}
.btn-outline-sm:hover { color: var(--text-primary); border-color: var(--border-light); }

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--status-overdue);
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 9px 17px;
}
.btn-danger:hover {
  background: var(--status-overdue);
  color: white;
}

.link-btn {
  color: var(--accent-color);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: all var(--transition-fast);
}
.link-btn:hover {
  text-decoration-color: var(--accent-color);
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-panel);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal);
  z-index: 40;
}

.sidebar-header {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-color), #4c1d95);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 2px 10px rgba(139, 92, 246, 0.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.05em;
  line-height: 1.1;
}

.logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-toggle {
  color: var(--text-muted);
  display: none; /* Only show on mobile */
}

.sidebar-nav {
  flex: 1;
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  background-color: var(--bg-element);
  color: var(--text-primary);
}

.nav-item.active {
  background-color: var(--accent-light);
  color: var(--accent-color);
}

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

.stats-mini {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-main);
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: 12px;
}

.stat-mini-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.stat-mini-value {
  font-size: 14px;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}
.stat-mini-value.accent { color: var(--status-upcoming); }
.stat-mini-value.success { color: var(--status-done); }

.stat-mini-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-mini-divider {
  width: 1px;
  height: 24px;
  background-color: var(--border-color);
}

.version-tag {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

/* Main Area */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0; /* for flex overflow */
}

/* Topbar */
.topbar {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 30;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.menu-btn {
  color: var(--text-secondary);
  display: none; /* Hide on desktop */
}
.menu-btn:hover { color: var(--text-primary); }

.page-title {
  font-size: 20px;
  font-weight: 600;
}

.page-date {
  font-size: 12px;
  color: var(--text-muted);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-wrap svg {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
}

.search-input {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-full);
  padding: 8px 16px 8px 36px;
  width: 240px;
  transition: all var(--transition-normal);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px var(--accent-light);
  width: 280px;
}

/* Views */
.view-container {
  flex: 1;
  overflow-y: auto;
  position: relative;
}

.view {
  display: none;
  padding: 32px;
  animation: fadeIn var(--transition-normal);
  max-width: 1200px;
  margin: 0 auto;
}

.view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Dashboard View */

/* Stats Row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.overdue-card .stat-card-icon { background: var(--status-overdue-bg); color: var(--status-overdue); }
.upcoming-card .stat-card-icon { background: var(--status-upcoming-bg); color: var(--status-upcoming); }
.done-card .stat-card-icon { background: var(--status-done-bg); color: var(--status-done); }
.total-card .stat-card-icon { background: var(--bg-element); color: var(--text-primary); }

.stat-card-info {
  display: flex;
  flex-direction: column;
}

.stat-card-value {
  font-size: 28px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-card-label {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
}

/* Quick Add */
.quick-add-wrap {
  margin-bottom: 32px;
}

.quick-add-box {
  display: flex;
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 6px 6px 6px 16px;
  transition: all var(--transition-normal);
}

.quick-add-box:focus-within {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px var(--accent-light);
}

.quick-add-box > svg {
  color: var(--text-muted);
  margin-right: 12px;
}

.quick-add-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 15px;
  padding: 10px 0;
}
.quick-add-input:focus { outline: none; }

.quick-add-btn {
  background: var(--accent-color);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.quick-add-btn:hover { background: var(--accent-hover); transform: scale(1.05); }
.quick-add-btn:active { transform: scale(0.95); }

.quick-add-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
  margin-left: 16px;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-tab:hover {
  background: var(--bg-panel);
  color: var(--text-primary);
}

.filter-tab.active {
  background: var(--bg-element);
  color: var(--text-primary);
}

.tab-badge {
  background: var(--border-color);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
}
.tab-badge.upcoming { background: var(--status-upcoming-bg); color: var(--status-upcoming); }
.tab-badge.overdue { background: var(--status-overdue-bg); color: var(--status-overdue); }
.tab-badge.done { background: var(--status-done-bg); color: var(--status-done); }

.filter-right {
  margin-left: auto;
}

.sort-select {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  cursor: pointer;
  outline: none;
}

/* Deadline List Items */
.deadline-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.deadline-item {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  gap: 20px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.deadline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--border-light);
}
.deadline-item[data-status="upcoming"]::before { background: var(--status-upcoming); }
.deadline-item[data-status="overdue"]::before { background: var(--status-overdue); }
.deadline-item[data-status="done"]::before { background: var(--status-done); }

.deadline-item:hover {
  border-color: var(--border-light);
  transform: translateX(2px);
}

.deadline-checkbox-wrap {
  padding-top: 2px;
}

.deadline-checkbox {
  appearance: none;
  width: 22px;
  height: 22px;
  border: 2px solid var(--border-light);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}
.deadline-checkbox:checked {
  background: var(--status-done);
  border-color: var(--status-done);
}
.deadline-checkbox:checked::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.deadline-checkbox:hover:not(:checked) {
  border-color: var(--status-done);
  background: var(--status-done-bg);
}

.deadline-content {
  flex: 1;
  min-width: 0;
}

.deadline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.deadline-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.deadline-item[data-status="done"] .deadline-title {
  text-decoration: line-through;
  color: var(--text-muted);
}

.deadline-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.meta-item.date.overdue {
  color: var(--status-overdue);
  font-weight: 500;
}
.meta-item.date.upcoming {
  color: var(--status-upcoming);
}

.category-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.priority-tag {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.priority-high { background: var(--status-overdue); box-shadow: 0 0 8px var(--status-overdue); }
.priority-medium { background: var(--status-warning); }
.priority-low { background: var(--status-upcoming); }

.deadline-notes {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  background: var(--bg-main);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  white-space: pre-line;
}

.deadline-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.deadline-item:hover .deadline-actions {
  opacity: 1;
}

.action-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-element);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.action-btn:hover { background: var(--border-light); color: var(--text-primary); }
.action-btn.delete:hover { background: rgba(239, 68, 68, 0.1); color: var(--status-overdue); }

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-panel);
  border: 1px dashed var(--border-light);
  border-radius: var(--radius-lg);
}
.empty-icon {
  color: var(--border-light);
  margin-bottom: 16px;
}
.empty-state h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.empty-state p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* Upload & Parse View */
.upload-container {
  max-width: 800px;
  margin: 0 auto;
}

.upload-hero {
  text-align: center;
  margin-bottom: 32px;
}
.upload-hero h2 {
  font-size: 28px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.upload-hero p {
  color: var(--text-secondary);
  font-size: 16px;
}

.api-notice {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--status-warning-bg);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
}
.api-notice-icon { color: var(--status-warning); }
.api-notice strong { color: var(--status-warning); display: block; margin-bottom: 4px; }
.api-notice p { font-size: 13px; color: var(--text-secondary); }
.api-notice .btn-outline-sm { margin-left: auto; border-color: rgba(245, 158, 11, 0.5); color: var(--status-warning); }

.upload-methods {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.drop-zone {
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-md);
  padding: 40px 20px;
  text-align: center;
  transition: all var(--transition-normal);
  background: var(--bg-main);
  cursor: pointer;
}
.drop-zone.dragover {
  border-color: var(--accent-color);
  background: var(--accent-light);
}
.drop-icon {
  color: var(--accent-color);
  margin-bottom: 16px;
}
.drop-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 8px;
}
.drop-sub {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 24px;
}

.upload-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 32px 0;
  color: var(--text-muted);
}
.upload-divider::before, .upload-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-color);
}
.upload-divider span { padding: 0 16px; }

.paste-zone {
  display: flex;
  flex-direction: column;
}
.paste-label {
  font-weight: 500;
  margin-bottom: 12px;
}
.paste-textarea {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  color: var(--text-primary);
  min-height: 150px;
  resize: vertical;
  margin-bottom: 16px;
  transition: border-color var(--transition-fast);
}
.paste-textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}
.parse-btn {
  align-self: flex-start;
}

/* Parse Progress & Results */
.parse-progress {
  text-align: center;
  padding: 40px;
  background: var(--bg-panel);
  border-radius: var(--radius-lg);
  margin-top: 32px;
  border: 1px solid var(--border-color);
}

.progress-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.parse-results {
  background: var(--bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--accent-color);
  box-shadow: 0 0 0 1px var(--accent-color), var(--shadow-lg);
  margin-top: 32px;
  overflow: hidden;
  animation: slideUp var(--transition-bounce);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.parse-results-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  background: var(--accent-light);
}
.parse-results-header h3 { color: var(--accent-color); margin-bottom: 4px; }
.parse-results-sub { color: var(--text-secondary); font-size: 13px; }

.parsed-items {
  max-height: 400px;
  overflow-y: auto;
}

.parsed-item {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.parsed-item:hover { background: var(--bg-element); }

.parse-results-actions {
  padding: 20px 24px;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: var(--bg-main);
}

/* Settings View */
.settings-container {
  max-width: 800px;
  margin: 0 auto;
}

.settings-section {
  margin-bottom: 40px;
}

.settings-title {
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.settings-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}
.setting-row:last-child { border-bottom: none; }

.setting-info {
  flex: 1;
  padding-right: 24px;
}

.setting-label {
  display: block;
  font-weight: 500;
  margin-bottom: 4px;
}
.setting-label.danger { color: var(--status-overdue); }

.setting-desc {
  font-size: 13px;
  color: var(--text-muted);
}
.setting-desc a { color: var(--accent-color); }

.setting-control {
  display: flex;
  align-items: center;
  gap: 12px;
}
.api-key-control { width: 320px; }

.setting-input {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  width: 100%;
}
.setting-input:focus { outline: none; border-color: var(--accent-color); }

.setting-select {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  min-width: 200px;
}

.danger-row { background: rgba(239, 68, 68, 0.02); }

.categories-list {
  padding: 12px 24px;
}
.category-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
}
.category-item-row:last-child { border-bottom: none; }

.add-category-row {
  padding: 16px 24px;
  background: var(--bg-element);
  display: flex;
  gap: 12px;
  align-items: center;
}

.about-card { padding: 24px; }
.about-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.about-logo {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent-color), #4c1d95);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
}
.about-header p { color: var(--text-muted); font-size: 13px; }
.about-desc { color: var(--text-secondary); line-height: 1.6; }


/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn var(--transition-fast);
}

.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  animation: scaleIn var(--transition-fast) forwards;
}
.delete-modal { max-width: 400px; }

@keyframes scaleIn {
  to { transform: scale(1); }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-title { font-size: 18px; }
.modal-close {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}
.modal-close:hover { color: var(--text-primary); }

.modal-body {
  padding: 24px;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-element);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Forms */
.form-row {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}
.form-row:last-child { margin-bottom: 0; }

.form-group { flex: 1; min-width: 0; }
.form-group.full { width: 100%; flex: none; }

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  transition: all var(--transition-fast);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px var(--accent-light);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* Status Toggle */
.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.status-toggle-group {
  display: flex;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.status-toggle {
  padding: 8px 16px;
  font-weight: 500;
  color: var(--text-muted);
}
.status-toggle.active[data-status="upcoming"] { background: var(--status-upcoming-bg); color: var(--status-upcoming); }
.status-toggle.active[data-status="done"] { background: var(--status-done-bg); color: var(--status-done); }

/* Toasts */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.toast {
  background: var(--bg-panel);
  border-left: 4px solid var(--accent-color);
  color: var(--text-primary);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateX(100%);
  animation: slideInRight var(--transition-bounce) forwards;
}
.toast.success { border-left-color: var(--status-done); }
.toast.error { border-left-color: var(--status-overdue); }
.toast.warning { border-left-color: var(--status-warning); }

@keyframes slideInRight { to { transform: translateX(0); } }
@keyframes fadeOut { to { opacity: 0; } }


/* Calendar View */
.calendar-container {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}
.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.cal-nav-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-element);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cal-nav-btn:hover { background: var(--border-light); }
.cal-month-title { font-size: 20px; }

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-size: 13px;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.cal-cell {
  aspect-ratio: 1;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px;
  position: relative;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}
.cal-cell:hover { border-color: var(--border-light); background: var(--bg-element); }
.cal-cell.today { border-color: var(--accent-color); }
.cal-cell.other-month { opacity: 0.3; }
.cal-cell.active { box-shadow: 0 0 0 2px var(--accent-color); border-color: var(--bg-panel); }

.cal-date-num {
  font-weight: 600;
  font-size: 14px;
  align-self: flex-end;
}
.cal-cell.today .cal-date-num {
  color: var(--accent-color);
}

.cal-indicators {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-end;
  gap: 4px;
  margin-top: 4px;
}
.cal-dot {
  width: 6px; height: 6px; border-radius: 50%;
}
.cal-dot.upcoming { background: var(--status-upcoming); }
.cal-dot.overdue { background: var(--status-overdue); }
.cal-dot.done { background: var(--status-done); }

.calendar-legend {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 24px;
  font-size: 13px;
  color: var(--text-secondary);
}
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; }
.legend-dot.upcoming { background: var(--status-upcoming); }
.legend-dot.overdue { background: var(--status-overdue); }
.legend-dot.done { background: var(--status-done); }

.cal-day-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.cal-day-title {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}
.cal-day-empty { color: var(--text-muted); font-style: italic; }

/* Responsive */
@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    top: 0; bottom: 0; left: 0;
    transform: translateX(-100%);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-toggle { display: block; }
  .menu-btn { display: block; }
  
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .stats-row { grid-template-columns: 1fr; }
  .topbar { padding: 0 16px; }
  .view { padding: 16px; }
  .search-input { width: 150px; }
  .search-input:focus { width: 200px; }
  
  .form-row { flex-direction: column; gap: 12px; }
}