.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-danger {
  background: var(--danger, #e74c3c);
  color: white;
}

.btn-danger:hover {
  background: var(--danger-hover, #c0392b);
  box-shadow: 0 4px 16px rgba(231, 76, 60, 0.3);
}

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

.btn-secondary:hover {
  background: var(--border-color);
  border-color: var(--border-light);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 150ms ease forwards;
}

#modalOverlay .modal.hidden {
  display: none;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: scaleIn var(--transition-base) forwards;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 0;
}

.modal-header h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.modal-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 0 24px 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.tag-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-option {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tag-option:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
}

.tag-option input {
  display: none;
}

.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
  flex-shrink: 0;
}

.toggle input {
  display: none;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition-fast);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-secondary);
  top: 2px;
  left: 2px;
  transition: all var(--transition-fast);
}

.toggle input:checked + .toggle-slider {
  background: var(--accent-light);
  border-color: var(--accent);
}

.toggle input:checked + .toggle-slider::before {
  background: var(--accent);
  transform: translateX(20px);
}

.notif-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.notif-toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: slideInRight var(--transition-base) forwards;
  pointer-events: all;
  max-width: 360px;
  font-size: 13px;
}

.notif-toast.removing {
  animation: slideOutRight var(--transition-base) forwards;
}

.notif-toast .notif-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notif-toast .notif-icon.success { background: rgba(34,197,94,0.15); color: #22C55E; }
.notif-toast .notif-icon.warning { background: rgba(245,158,11,0.15); color: #F59E0B; }
.notif-toast .notif-icon.error { background: rgba(239,68,68,0.15); color: #EF4444; }
.notif-toast .notif-icon.info { background: rgba(59,130,246,0.15); color: #3B82F6; }

.notif-toast .notif-content {
  flex: 1;
}

.notif-toast .notif-title {
  font-weight: 600;
  font-size: 13px;
}

.notif-toast .notif-message {
  color: var(--text-tertiary);
  font-size: 12px;
}

@keyframes slideInRight {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOutRight {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(120%); opacity: 0; }
}

.settings-content {
  max-width: 640px;
}

.settings-group {
  margin-bottom: 32px;
}

.settings-group h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.setting-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 8px;
}

.setting-item label:first-child {
  font-weight: 500;
  font-size: 14px;
}

.setting-desc {
  font-size: 12px;
  color: var(--text-tertiary);
  display: block;
  margin-top: 2px;
}

.setting-input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  padding: 8px 12px;
  width: 160px;
  outline: none;
  transition: border-color 0.2s;
}
.setting-input:focus {
  border-color: var(--accent);
}

.shortcut-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.shortcut-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 14px;
}

.shortcut-item kbd {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 8px;
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  min-width: 48px;
  text-align: center;
}

.clients-grid,
.ideas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.client-card,
.idea-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 20px;
  transition: all var(--transition-base);
}

.client-card:hover,
.idea-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-md);
}

.client-card h3,
.idea-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.client-card p,
.idea-card p {
  font-size: 13px;
  color: var(--text-tertiary);
}

.finances-grid {
  grid-template-columns: repeat(2, 1fr);
}

.time-stats-grid {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 20px;
}

.timer-active {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.timer-display {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  min-width: 200px;
}

.timer-info {
  flex: 1;
  font-size: 14px;
  color: var(--text-secondary);
}

.timer-controls {
  display: flex;
  gap: 8px;
}

.client-earnings {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.client-earning-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 13px;
}

.client-earning-item span:last-child {
  font-weight: 600;
  color: var(--success);
}

.notif-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  width: 340px;
  max-height: 400px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: 300;
  display: flex;
  flex-direction: column;
  animation: fadeIn 150ms ease forwards;
  margin-top: 4px;
}

.notif-dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.notif-dropdown-title {
  font-size: 14px;
  font-weight: 600;
}

.notif-clear-all {
  font-size: 12px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.notif-clear-all:hover {
  color: var(--accent);
}

.notif-dropdown-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  min-height: 80px;
}

.notif-dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  font-size: 13px;
  transition: background var(--transition-fast);
  cursor: pointer;
}

.notif-dropdown-item:hover {
  background: var(--bg-hover);
}

.notif-dropdown-item .notif-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.notif-dropdown-item .notif-content {
  flex: 1;
  min-width: 0;
}

.notif-dropdown-item .notif-title {
  font-weight: 600;
  font-size: 13px;
}

.notif-dropdown-item .notif-message {
  font-size: 12px;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.notif-dropdown-empty {
  text-align: center;
  padding: 24px 16px;
  color: var(--text-tertiary);
  font-size: 13px;
}