/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-5);
  border: 1px solid transparent;
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--color-tertiary), var(--color-tertiary-dark));
  color: var(--color-black);
  border-color: var(--color-tertiary);
  box-shadow: var(--shadow-sm), 0 0 20px rgba(45, 212, 191, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-tertiary-light), var(--color-tertiary));
  border-color: var(--color-tertiary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md), 0 0 30px rgba(45, 212, 191, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

/* Secondary Button */
.btn-secondary {
  background: var(--color-surface-elevated);
  color: var(--color-white);
  border: 1px solid var(--color-border-strong);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-tertiary);
  transform: translateY(-1px);
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-strong);
}

.btn-ghost:hover {
  background: var(--glass-bg-hover);
  border-color: var(--color-tertiary);
  color: var(--color-tertiary);
}

/* Danger Button */
.btn-danger,
.btn-delete {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-error-light);
  font-size: 0.8125rem;
  padding: var(--space-2) var(--space-4);
}

.btn-danger:hover,
.btn-delete:hover {
  background: var(--color-error-bg);
  border-color: var(--color-error);
  color: var(--color-error-light);
  transform: translateY(-1px);
}

/* Link Button */
.btn-link {
  background: transparent;
  border: none;
  color: var(--color-tertiary);
  padding: 0;
}

.btn-link:hover {
  color: var(--color-tertiary-light);
}

/* Wide Button */
.btn-wide {
  width: 100%;
  justify-content: center;
}

/* Small Button */
.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
  border-radius: var(--radius-md);
}

/* Icon Button */
.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ============================================================================
   FORM CONTROLS
   ============================================================================ */

.app-field-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.app-label {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
}

.app-input,
.app-select,
.input,
.select {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-white);
  font-size: 0.9375rem;
  outline: none;
  transition: all var(--transition-fast);
}

.app-input::placeholder,
.input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.5;
}

.app-input:hover,
.app-select:hover,
.input:hover,
.select:hover {
  border-color: var(--color-border-light);
  background: rgba(255, 255, 255, 0.04);
}

.app-input:focus,
.app-select:focus,
.input:focus,
.select:focus {
  border-color: var(--color-tertiary);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.1);
}

.app-input[readonly] {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--color-border);
  color: var(--color-text-muted);
  cursor: default;
}

/* Select Options */
.app-select option,
select option {
  background: var(--color-surface);
  color: var(--color-white);
  padding: var(--space-2);
}

/* Textarea */
textarea.app-input,
textarea.input {
  min-height: 100px;
  resize: vertical;
  line-height: 1.5;
}

/* ============================================================================
   DATE INPUTS
   ============================================================================ */

input[type="date"] {
  position: relative;
  color-scheme: dark;
  cursor: pointer;
}

input[type="date"]::-webkit-calendar-picker-indicator {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

/* Datepicker Popup Styling */
input[type="date"]::-webkit-datetime-edit {
  padding: 0;
  color: var(--color-white);
}

input[type="date"]::-webkit-datetime-edit-fields-wrapper {
  padding: 0;
}

input[type="date"]::-webkit-datetime-edit-text {
  color: var(--color-text-muted);
  padding: 0 2px;
}

input[type="date"]::-webkit-datetime-edit-month-field,
input[type="date"]::-webkit-datetime-edit-day-field,
input[type="date"]::-webkit-datetime-edit-year-field {
  color: var(--color-white);
  padding: 2px;
  border-radius: 3px;
}

input[type="date"]::-webkit-datetime-edit-month-field:focus,
input[type="date"]::-webkit-datetime-edit-day-field:focus,
input[type="date"]::-webkit-datetime-edit-year-field:focus {
  background: rgba(45, 212, 191, 0.2);
  color: var(--color-tertiary-light);
  outline: none;
}

/* ============================================================================
   TOOLBAR / FILTER BAR
   ============================================================================ */

.filter-bar,
.app-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 2fr) auto auto auto;
  gap: var(--space-3);
  align-items: end;
  margin-bottom: var(--space-5);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(var(--glass-blur));
  position: relative;
}

/* Accent line at top */
.filter-bar::before,
.app-toolbar::before {
  content: '';
  position: absolute;
  top: 0;
  left: var(--space-6);
  right: var(--space-6);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-tertiary), transparent);
  opacity: 0.5;
}

.app-toolbar .app-field-group,
.filter-bar .app-field-group {
  min-width: 0;
  margin-bottom: 0;
}

/* Toolbar Inputs */
.app-toolbar .app-input,
.app-toolbar .app-select,
.filter-bar .app-input,
.filter-bar .app-select {
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
}

.app-toolbar .app-input:focus,
.app-toolbar .app-select:focus,
.filter-bar .app-input:focus,
.filter-bar .app-select:focus {
  background: rgba(255, 255, 255, 0.05);
}

/* Toolbar Labels */
.app-toolbar .app-label,
.filter-bar .app-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1);
}

/* Toolbar Button */
.filter-bar .btn,
.app-toolbar .btn {
  justify-self: end;
  align-self: end;
}

.app-toolbar .btn-primary,
.filter-bar .btn-primary {
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid rgba(45, 212, 191, 0.5);
  color: var(--color-tertiary-light);
  box-shadow: 0 0 20px rgba(45, 212, 191, 0.15);
}

.app-toolbar .btn-primary:hover,
.filter-bar .btn-primary:hover {
  background: rgba(45, 212, 191, 0.2);
  border-color: var(--color-tertiary);
  color: var(--color-white);
  box-shadow: 0 0 25px rgba(45, 212, 191, 0.25);
}

/* Toolbar Toggle (Mobile) */
.toolbar-toggle-btn {
  display: none;
  width: 100%;
  padding: var(--space-3);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  margin-bottom: var(--space-3);
  transition: all var(--transition-fast);
}

.toolbar-toggle-btn::after {
  content: '';
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--transition-fast);
  margin-left: auto;
}

.toolbar-toggle-btn.is-expanded::after {
  transform: rotate(-135deg);
}

/* ============================================================================
   CARDS
   ============================================================================ */

.card,
.app-card,
.project-card,
.customer-card,
.report-card,
.offer-card,
.invoice-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface-elevated);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
}

.card:hover,
.app-card:hover,
.project-card:hover,
.customer-card:hover,
.report-card:hover,
.offer-card:hover,
.invoice-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(45, 212, 191, 0.3);
}

/* Card Header */
.card-header,
.project-card-top,
.customer-card-top,
.report-card-top,
.offer-card-top,
.invoice-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
}

.project-card-top-left,
.offer-card-top-left,
.invoice-card-top-left {
  min-width: 0;
  flex: 1;
}

.project-card-top-right,
.offer-card-top-right,
.invoice-card-top-right {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Card Title & Content */
.card-title,
.app-card-title,
.customer-card-title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  letter-spacing: -0.01em;
}

.customer-card-title {
  font-size: 1.25rem;
}

.card-subtitle,
.app-card-subtitle,
.customer-card-contact {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.card-meta,
.app-card-meta,
.customer-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.card-line,
.customer-card-line {
  font-size: 0.8125rem;
  margin: 0;
  color: var(--color-text-muted);
}

/* Card Actions */
.card-actions,
.customer-card-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

/* Card Grid */
.card-grid,
.customers-grid,
.projects-grid,
.reports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
}

/* ============================================================================
   LISTS
   ============================================================================ */

.app-list,
.reports-list,
.offers-list,
.projects-list,
.invoices-list,
.employees-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  scroll-behavior: smooth;
}

.app-list::-webkit-scrollbar,
.projects-list::-webkit-scrollbar,
.reports-list::-webkit-scrollbar,
.offers-list::-webkit-scrollbar,
.invoices-list::-webkit-scrollbar {
  width: 6px;
}

.app-list::-webkit-scrollbar-thumb,
.projects-list::-webkit-scrollbar-thumb,
.reports-list::-webkit-scrollbar-thumb,
.offers-list::-webkit-scrollbar-thumb,
.invoices-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
}

/* ============================================================================
   CHIPS & BADGES
   ============================================================================ */

.chip,
.app-chip {
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-muted);
  background: var(--glass-bg);
}

.chip-active,
.reports-quick-chip--active {
  border-color: var(--color-tertiary);
  background: rgba(45, 212, 191, 0.1);
  color: var(--color-tertiary-light);
}

.badge,
.app-badge {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  padding: 3px var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-success,
.app-badge--active {
  border-color: rgba(34, 197, 94, 0.4);
  background: var(--color-success-bg);
  color: var(--color-success-light);
}

.badge-warning,
.app-badge--planned,
.app-badge--warning {
  border-color: rgba(245, 158, 11, 0.4);
  background: var(--color-warning-bg);
  color: var(--color-warning-light);
}

.badge-info,
.app-badge--done,
.badge-info {
  border-color: rgba(59, 130, 246, 0.4);
  background: var(--color-info-bg);
  color: var(--color-info-light);
}

.badge-muted,
.app-badge--archived,
.app-badge--draft {
  border-color: var(--color-border-strong);
  background: var(--glass-bg);
  color: var(--color-text-muted);
}

.app-badge--danger {
  border-color: rgba(239, 68, 68, 0.4);
  background: var(--color-error-bg);
  color: var(--color-error-light);
}

/* ============================================================================
   EMPTY STATES
   ============================================================================ */

.empty-state,
.projects-empty,
.customers-empty,
.reports-empty,
.offers-empty,
.invoices-empty {
  border-radius: var(--radius-xl);
  border: 2px dashed var(--color-border-strong);
  padding: var(--space-10) var(--space-6);
  background: var(--glass-bg);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
}

.empty-state-title,
.projects-empty-title,
.customers-empty-title,
.offers-empty-title,
.invoices-empty-title {
  font-weight: var(--font-weight-semibold);
  font-size: 1.125rem;
  color: var(--color-white);
}

.empty-state-text,
.projects-empty-text,
.offers-empty-text,
.invoices-empty-text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  max-width: 400px;
  line-height: 1.6;
}

.empty-state-actions,
.projects-empty-actions,
.customers-empty-actions,
.offers-empty-actions,
.invoices-empty-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

/* ============================================================================
   CARD MENUS (Dropdowns)
   ============================================================================ */

.app-card-menu,
.card-menu,
.project-card-menu,
.offer-card-menu,
.invoice-card-menu {
  position: absolute;
  right: var(--space-4);
  top: var(--space-14);
  min-width: 160px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  display: none;
  z-index: 50;
}

.app-card-menu.is-open,
.card-menu.is-open,
.project-card-menu.is-open,
.offer-card-menu.is-open,
.invoice-card-menu.is-open {
  display: block;
  animation: fadeInUp 0.15s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Menu lift card */
.app-card:has(.app-card-menu.is-open),
.project-card:has(.app-card-menu.is-open),
.offer-card:has(.app-card-menu.is-open),
.invoice-card:has(.app-card-menu.is-open),
.app-card.has-menu-open,
.project-card.has-menu-open,
.offer-card.has-menu-open,
.invoice-card.has-menu-open {
  z-index: 100;
}

.app-card-menu-item,
.card-menu-item,
.project-card-menu-item,
.offer-card-menu-item,
.invoice-card-menu-item {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  text-align: left;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.app-card-menu-item:hover,
.card-menu-item:hover,
.project-card-menu-item:hover,
.offer-card-menu-item:hover,
.invoice-card-menu-item:hover {
  background: var(--glass-bg-hover);
  color: var(--color-white);
}

.app-card-menu-item--danger,
.card-menu-item-danger,
.project-card-menu-item-danger,
.offer-card-menu-item-danger,
.invoice-card-menu-item-danger {
  color: var(--color-error-light);
}

.app-card-menu-item--danger:hover,
.card-menu-item-danger:hover,
.project-card-menu-item-danger:hover,
.offer-card-menu-item-danger:hover,
.invoice-card-menu-item-danger:hover {
  background: var(--color-error-bg);
  color: var(--color-error-light);
}

/* Menu Button */
.app-card-menu-btn,
.project-card-menu-btn,
.offer-card-menu-btn,
.invoice-card-menu-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border);
  background: var(--glass-bg);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.app-card-menu-btn:hover,
.project-card-menu-btn:hover,
.offer-card-menu-btn:hover,
.invoice-card-menu-btn:hover {
  background: var(--glass-bg-hover);
  border-color: var(--color-border-light);
  color: var(--color-white);
}

/* Hide message blocks */
#projects-message,
#offers-message,
#invoices-message,
#customers-message,
#offer-message,
#report-message,
#report-final-message {
  display: none !important;
}

/* ============================================================================
   TABLES
   ============================================================================ */

.table-card {
  margin-top: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.table-header {
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}

.table-title {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.table-inner {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table-inner thead {
  background: rgba(255, 255, 255, 0.02);
}

.table-inner th,
.table-inner td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table-inner th {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.table-inner tbody tr {
  transition: background var(--transition-fast);
}

.table-inner tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* ============================================================================
   BREADCRUMBS
   ============================================================================ */

.page-breadcrumb {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-3);
}

.breadcrumb-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--glass-bg);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.breadcrumb-link:hover {
  border-color: var(--color-tertiary);
  color: var(--color-tertiary);
  background: rgba(45, 212, 191, 0.05);
}

.breadcrumb-icon {
  font-size: 0.875rem;
}

/* ============================================================================
   MODALS
   ============================================================================ */

.app-modal,
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--space-4);
}

.app-modal.hidden,
.modal.hidden {
  display: none;
}

.app-modal-backdrop,
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
}

.app-modal-dialog,
.modal .modal-content {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border-strong);
  box-shadow: var(--shadow-xl);
  padding: var(--space-6);
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 1;
  animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.app-modal-header h2 {
  margin: 0 0 var(--space-4) 0;
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
}

.app-modal-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-right: var(--space-2);
}

.app-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* Signature Modal */
.modal #signature-canvas {
  width: 100%;
  height: 200px;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: #fff;
}

.modal .signature-buttons {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

/* ============================================================================
   KPI CARDS
   ============================================================================ */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-4);
}

.kpi-card {
  background: var(--color-surface-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
}

.kpi-label {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.kpi-value {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

.kpi-sub {
  margin-top: var(--space-1);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 768px) {
  .filter-bar,
  .app-toolbar {
    grid-template-columns: 1fr 1fr;
    padding: var(--space-3);
    gap: var(--space-3);
  }

  .filter-bar .btn,
  .app-toolbar .btn {
    grid-column: 1 / -1;
  }

  .card,
  .app-card,
  .project-card {
    padding: var(--space-4);
  }

  .btn {
    padding: var(--space-2) var(--space-4);
    font-size: 0.8125rem;
  }
}

@media (max-width: 640px) {
  .toolbar-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .filter-bar,
  .app-toolbar {
    display: none;
    grid-template-columns: 1fr;
    margin-bottom: 0;
  }

  .filter-bar.is-expanded,
  .app-toolbar.is-expanded {
    display: grid;
    animation: slideDown var(--transition-base);
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .card-grid,
  .customers-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

/* Customer Toolbar */
@media (min-width: 820px) {
  .customers-toolbar {
    grid-template-columns: minmax(240px, 2fr) minmax(160px, 1fr) auto;
  }
}