/* ===== Login Screen ===== */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1e3a5f 0%, #1a56db 100%);
}

.login-box {
  background: #fff;
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  text-align: center;
}

.login-logo {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 12px;
}

.login-box h1 {
  font-size: 22px;
  color: #1e3a5f;
  margin-bottom: 4px;
}

.login-subtitle {
  color: #6b7280;
  font-size: 14px;
  margin-bottom: 24px;
}

.login-box .form-group {
  text-align: left;
  margin-bottom: 16px;
}

.login-box label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
  color: #374151;
}

.login-box select,
.login-box input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 14px;
}

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

:root {
  --primary: #1a56db;
  --primary-hover: #1648b8;
  --primary-light: #e8effc;
  --sidebar-bg: #111827;
  --sidebar-text: #d1d5db;
  --sidebar-active: #1f2937;
  --bg: #f3f4f6;
  --card-bg: #ffffff;
  --text: #111827;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 14px;
}

/* ===== App Layout ===== */
.app {
  display: flex;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.sidebar-logo {
  width: 160px;
  height: 160px;
  object-fit: contain;
  border-radius: 6px;
}

.sidebar-header h1 {
  font-size: 16px;
  color: #fff;
  font-weight: 700;
  text-align: center;
}

.nav-list {
  list-style: none;
  padding: 12px 0;
  flex: 1;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 14px;
  transition: background 0.15s, color 0.15s;
  gap: 10px;
}

.nav-link:hover {
  background: var(--sidebar-active);
  color: #fff;
}

.nav-link.active {
  background: var(--primary);
  color: #fff;
}

.nav-icon {
  width: 20px;
  text-align: center;
  font-size: 14px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #6b7280;
  font-size: 12px;
}

/* ===== Main Content ===== */
.content {
  margin-left: 240px;
  flex: 1;
  padding: 24px 32px;
  min-height: 100vh;
}

/* ===== Page Header ===== */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.page-header h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

/* ===== Cards ===== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}

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

.card-header h3 {
  font-size: 16px;
  font-weight: 600;
}

/* ===== Stats Grid ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  text-align: center;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  text-decoration: none;
  line-height: 1.4;
}

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

.btn-primary {
  background: var(--primary);
  color: #fff;
}

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

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

.btn-success:hover {
  background: #047857;
}

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

.btn-danger:hover {
  background: #b91c1c;
}

.btn-secondary {
  background: #e5e7eb;
  color: var(--text);
}

.btn-secondary:hover {
  background: #d1d5db;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-icon {
  padding: 6px 10px;
}

/* ===== Tables ===== */
.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead {
  background: #f9fafb;
}

th {
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border);
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:hover {
  background: #f9fafb;
}

tr.clickable {
  cursor: pointer;
}

tr.clickable:hover {
  background: var(--primary-light);
}

/* ===== Forms ===== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
  background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 60px;
}

.form-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.form-row .form-group {
  flex: 1;
  min-width: 200px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-check label {
  margin-bottom: 0;
  cursor: pointer;
}

.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ===== Search Bar ===== */
.search-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.search-bar input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
}

.search-bar input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

/* ===== Filter Bar ===== */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: end;
}

.filter-bar .form-group {
  margin-bottom: 0;
  min-width: 160px;
}

/* ===== Badges ===== */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-blue {
  background: #dbeafe;
  color: #1e40af;
}

.badge-green {
  background: #d1fae5;
  color: #065f46;
}

.badge-yellow {
  background: #facc15;
  color: #1a1a1a;
}

.badge-red {
  background: #dc2626;
  color: #ffffff;
}

.badge-gray {
  background: #f3f4f6;
  color: #374151;
}

/* ===== Modal ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  justify-content: center;
  align-items: flex-start;
  padding-top: 60px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: 90%;
  max-width: 750px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal.modal-wide {
  max-width: 950px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0 4px;
}

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

.modal-body {
  padding: 20px;
}

/* Customer form compact two-column layout */
.customer-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}
.customer-form-grid .form-group {
  margin-bottom: 0;
}
.customer-form-grid .form-group label {
  font-size: 12px;
  margin-bottom: 2px;
}
.customer-form-grid .form-group input,
.customer-form-grid .form-group select,
.customer-form-grid .form-group textarea {
  padding: 6px 8px;
  font-size: 13px;
}
.customer-form-grid .full-width {
  grid-column: 1 / -1;
}

/* Credits table */
.credits-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.credits-table th,
.credits-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.credits-table th {
  background: var(--bg-dark);
  font-weight: 600;
  font-size: 12px;
}
.credits-table td input {
  width: 100%;
  padding: 4px 6px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.credits-table td input[type="number"] {
  width: 90px;
}

/* ===== Calendar ===== */
.cal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.cal-header h2 {
  margin: 0;
  min-width: 220px;
}
.cal-nav-btn {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 16px;
  color: var(--text);
  transition: background 0.15s;
}
.cal-nav-btn:hover {
  background: var(--bg-dark);
}
.cal-grid {
  display: grid;
  grid-template-columns: 60px repeat(5, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card-bg);
}
.cal-station-header {
  padding: 10px 8px;
  font-weight: 700;
  font-size: 13px;
  text-align: center;
  background: var(--bg-dark);
  border-bottom: 2px solid var(--border);
  border-left: 1px solid var(--border);
}
.cal-time-col {
  background: var(--bg-dark);
  border-right: 1px solid var(--border);
}
.cal-time-label {
  height: 60px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 2px 6px 0 0;
  font-size: 11px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.cal-station-col {
  position: relative;
  border-left: 1px solid var(--border);
}
.cal-hour-row {
  height: 60px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.cal-hour-row:hover {
  background: rgba(59,130,246,0.04);
}
.cal-appointment {
  position: absolute;
  left: 2px;
  right: 2px;
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 11px;
  line-height: 1.3;
  overflow: hidden;
  cursor: pointer;
  color: #fff;
  z-index: 1;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: opacity 0.15s;
}
.cal-appointment:hover {
  opacity: 0.85;
}
.cal-appointment.overlap-2.pos-0 { left: 2px; right: calc(50% + 1px); }
.cal-appointment.overlap-2.pos-1 { left: calc(50% + 1px); right: 2px; }
.cal-appointment.overlap-3.pos-0 { left: 2px; right: calc(66.66% + 1px); }
.cal-appointment.overlap-3.pos-1 { left: calc(33.33% + 1px); right: calc(33.33% + 1px); }
.cal-appointment.overlap-3.pos-2 { left: calc(66.66% + 1px); right: 2px; }
.cal-appointment.overlap-4.pos-0 { left: 2px; right: calc(75% + 1px); }
.cal-appointment.overlap-4.pos-1 { left: calc(25% + 1px); right: calc(50% + 1px); }
.cal-appointment.overlap-4.pos-2 { left: calc(50% + 1px); right: calc(25% + 1px); }
.cal-appointment.overlap-4.pos-3 { left: calc(75% + 1px); right: 2px; }
.cal-booking-online { background: #7c3aed; }
.cal-booking-telefonisch { background: #2563eb; }
.cal-booking-mail { background: #d97706; }
.cal-booking-vorort { background: #059669; }
.cal-booking-blocker { background: #1a1a1a; }
.cal-vacation-banner {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.cal-vac-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  border-radius: 6px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.3px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.cal-legend {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}
.cal-legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
}
.cal-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
}

/* ===== Toast Notifications ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: 6px;
  color: #fff;
  font-size: 14px;
  box-shadow: var(--shadow-md);
  animation: slideIn 0.3s ease;
  max-width: 400px;
}

.toast-success {
  background: var(--success);
}

.toast-error {
  background: var(--danger);
}

.toast-info {
  background: var(--primary);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.empty-state p {
  font-size: 16px;
  margin-bottom: 16px;
}

/* ===== Customer Detail ===== */
.customer-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.info-item {
  margin-bottom: 8px;
}

.info-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  font-size: 14px;
  font-weight: 500;
}

/* ===== Back Link ===== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary);
  text-decoration: none;
  font-size: 13px;
  margin-bottom: 16px;
  cursor: pointer;
}

.back-link:hover {
  text-decoration: underline;
}

/* ===== Reminder Card Styling ===== */
.reminder-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 8px;
  background: #fff;
}

.reminder-info {
  flex: 1;
}

.reminder-customer {
  font-weight: 600;
  font-size: 14px;
}

.reminder-vehicle {
  color: var(--text-muted);
  font-size: 13px;
}

.reminder-contact {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text);
  margin-top: 4px;
}

.reminder-date {
  font-weight: 600;
  color: var(--warning);
  white-space: nowrap;
}

/* ===== Reminder Tabs ===== */
.reminder-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border);
}

.reminder-tab {
  padding: 10px 24px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.reminder-tab:hover {
  color: var(--primary);
}

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

.badge-blue {
  background: var(--primary);
  color: #fff;
}

.plan-status-select {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
}

.plan-note-input {
  border: 1px solid var(--border);
  border-radius: 4px;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* ===== Vacation Calendar ===== */
.vac-calendar {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
}
.vac-calendar th,
.vac-calendar td {
  border: 1px solid var(--border);
  text-align: center;
  padding: 0;
}
.vac-calendar th {
  background: var(--bg-dark);
  color: var(--text-muted);
  font-weight: 600;
  padding: 4px 2px;
  font-size: 11px;
}
.vac-month-col {
  width: auto;
  white-space: nowrap;
}
.vac-day-col {
  width: 28px;
  min-width: 28px;
}
.vac-month-cell {
  font-weight: 600;
  text-align: left !important;
  padding: 4px 6px !important;
  background: var(--bg-dark);
  white-space: nowrap;
}
.vac-day-cell {
  width: 28px;
  min-width: 28px;
  max-width: 28px;
  height: 28px;
  cursor: default;
  font-size: 11px;
  transition: background 0.15s;
}
.vac-day-cell.vac-weekend {
  background: rgba(168, 137, 106, 0.35);
  color: #8a7260;
}
.vac-day-cell.vac-holiday {
  background: rgba(250, 204, 21, 0.35);
  color: #92750a;
}
.vac-day-cell.vac-empty {
  background: #f9fafb;
  border-color: #f3f4f6;
}
.vac-day-cell.vac-selecting {
  background: rgba(37, 99, 235, 0.3) !important;
  outline: 2px solid #2563eb;
  outline-offset: -2px;
}

/* ===== Customer Search Dropdown ===== */
.search-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  max-height: 220px;
  overflow-y: auto;
  z-index: 100;
}

.search-dropdown-item {
  padding: 10px 12px;
  cursor: pointer;
  font-size: 14px;
  border-bottom: 1px solid var(--bg-dark);
}

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

.search-dropdown-item:last-child {
  border-bottom: none;
}

.search-selected {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* ===== OCR Scan ===== */
.scan-upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: 16px;
}

.scan-upload-area:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.scan-upload-area input[type="file"] {
  display: none;
}

.scan-upload-area p {
  color: var(--text-muted);
  margin-top: 8px;
  font-size: 13px;
}

.scan-upload-area .scan-icon {
  font-size: 40px;
  color: var(--primary);
}

.scan-progress {
  margin: 20px 0;
}

.scan-progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.scan-progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.3s;
  width: 0%;
}

.scan-progress-text {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
  text-align: center;
}

.scan-preview {
  max-width: 100%;
  max-height: 200px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid var(--border);
}

.scan-result-field {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.scan-result-field label {
  min-width: 140px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

.scan-result-field input {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
}

.scan-result-field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

/* ===== Invoice Items Table ===== */
.invoice-items-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.invoice-items-table th,
.invoice-items-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.invoice-items-table th {
  background: #f9fafb;
  font-weight: 600;
  font-size: 12px;
}
.invoice-items-table td input {
  width: 100%;
  padding: 4px 6px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.invoice-items-table td input[type="number"] {
  width: 90px;
}
.invoice-summary {
  display: flex;
  justify-content: flex-end;
  margin-top: 16px;
}
.invoice-summary table {
  width: auto;
  min-width: 280px;
}
.invoice-summary td {
  padding: 4px 12px;
  border: none;
}
.invoice-summary .total-row td {
  font-weight: 700;
  font-size: 15px;
  border-top: 2px solid var(--text);
  padding-top: 8px;
}

/* ===== Loading ===== */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .sidebar {
    width: 60px;
  }

  .sidebar-header h1,
  .nav-link span:not(.nav-icon),
  .sidebar-footer {
    display: none;
  }

  .nav-link {
    justify-content: center;
    padding: 12px;
  }

  .content {
    margin-left: 60px;
    padding: 16px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

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