/* Components */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
  color: var(--color-text);
  text-decoration: none;
}
.btn:hover { background: var(--color-bg-secondary); }
.btn:active { transform: scale(0.98); }

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

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

.btn-ghost { background: transparent; }
.btn-ghost:hover { background: var(--color-bg-secondary); }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }

.btn-success { background: var(--color-success); color: #fff; }
.btn-success:hover { background: #16a34a; }

.btn-icon { padding: 8px; border-radius: var(--radius-full); width: 36px; height: 36px; }
.btn-sm { padding: 4px 12px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-block { width: 100%; }

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; }
.card-title { font-size: 16px; font-weight: 600; margin: 0; }
.card-body { padding: 20px; }
.card-footer { padding: 16px 20px; border-top: 1px solid var(--color-border); background: var(--color-bg-secondary); }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label { display: block; margin-bottom: 6px; font-weight: 500; font-size: 14px; color: var(--color-text); }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-hint { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--color-danger); margin-top: 4px; }

/* Switch */
.form-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}
.form-switch input { opacity: 0; width: 0; height: 0; }
.form-switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--color-border);
  transition: .2s;
  border-radius: 20px;
}
.form-switch-slider:before {
  position: absolute;
  content: "";
  height: 16px; width: 16px;
  left: 2px; bottom: 2px;
  background-color: white;
  transition: .2s;
  border-radius: 50%;
}
.form-switch input:checked + .form-switch-slider { background-color: var(--color-primary); }
.form-switch input:checked + .form-switch-slider:before { transform: translateX(16px); }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  max-height: calc(100vh - 32px);
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  opacity: 0;
  transition: all 0.2s ease;
  margin: 16px;
  display: flex;
  flex-direction: column;
}
.modal-overlay.open .modal { transform: scale(1); opacity: 1; }
.modal-header { padding: 16px 20px; border-bottom: 1px solid var(--color-border); display: flex; justify-content: space-between; align-items: center; }
.modal-body { padding: 20px; overflow-y: auto; }
.modal-footer { padding: 16px 20px; border-top: 1px solid var(--color-border); display: flex; justify-content: flex-end; gap: 12px; }

/* Slide Panel */
.slide-panel {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 420px;
  max-width: 100vw;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}
.slide-panel.open { transform: translateX(0); }

/* Dropdown */
.dropdown { position: relative; display: inline-block; }
.dropdown-menu {
  position: absolute; top: 100%; right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  min-width: 180px;
  z-index: var(--z-dropdown);
  display: none;
  padding: 8px 0;
  margin-top: 4px;
}
.dropdown.open .dropdown-menu { display: block; }
.dropdown-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  color: var(--color-text);
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}
.dropdown-item:hover { background: var(--color-bg-secondary); }
.dropdown-divider { height: 1px; background: var(--color-border); margin: 4px 0; }

/* Badges */
.badge { display: inline-flex; align-items: center; justify-content: center; padding: 2px 8px; font-size: 12px; font-weight: 500; border-radius: var(--radius-full); background: var(--color-bg-tertiary); color: var(--color-text-secondary); }
.badge-primary { background: var(--color-primary-light); color: var(--color-primary); }
.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-light); color: var(--color-danger); }
.badge-info { background: var(--color-info-light); color: var(--color-info); }

/* Avatar */
.avatar { display: inline-flex; align-items: center; justify-content: center; background: var(--color-primary-light); color: var(--color-primary); font-weight: 600; border-radius: var(--radius-full); width: 32px; height: 32px; font-size: 14px; }
.avatar-sm { width: 28px; height: 28px; font-size: 12px; }
.avatar-md { width: 36px; height: 36px; font-size: 14px; }
.avatar-lg { width: 48px; height: 48px; font-size: 18px; }

/* Toast */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: var(--z-toast); display: flex; flex-direction: column; gap: 8px; }
@media (max-width: 768px) { .toast-container { bottom: 80px; right: 16px; left: 16px; } }
.toast { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 12px 16px; box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 12px; transform: translateX(120%); transition: transform 0.3s ease; }
.toast.show { transform: translateX(0); }

/* Alerts */
.alert { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 14px; display: flex; gap: 12px; align-items: flex-start; border: 1px solid var(--color-border); background: var(--color-bg-secondary); border-left-width: 4px; }
.alert-success { border-left-color: var(--color-success); background: var(--color-success-light); }
.alert-danger { border-left-color: var(--color-danger); background: var(--color-danger-light); }
.alert-warning { border-left-color: var(--color-warning); background: var(--color-warning-light); }
.alert-info { border-left-color: var(--color-info); background: var(--color-info-light); }

/* Empty State */
.empty-state { text-align: center; padding: 48px 24px; }
.empty-state-icon { font-size: 48px; color: var(--color-text-muted); margin-bottom: 16px; }

/* Tabs */
.tabs { display: flex; border-bottom: 1px solid var(--color-border); gap: 24px; }
.tab-item { padding: 12px 0; color: var(--color-text-secondary); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; font-weight: 500; }
.tab-item:hover { color: var(--color-text); }
.tab-item.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* Search Box */
.search-box { position: relative; }
.search-box svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--color-text-muted); width: 16px; height: 16px; }
.search-box input { padding-left: 36px; border-radius: var(--radius-full); }