:root {
  --navy: #003466;
  --coral: #f1705a;
  --white: #f7f7f7;
  --soft-section: #f5f6f5;
  --muted: #9ab0c4;
  --placeholder: #ead9cf;
  --line: #ddb8a6;
  --bottom-bar: #e8e8e8;
  --dark-text: #341306;
  --warm-cream: #f5f3f1;
  --warm-accent: #d7b3a4;
  --warm-light: #dbe4ee;
}

* {
  box-sizing: border-box;
}

html, body {
  min-height: 100vh;
  margin: 0;
}

body {
  font-family: 'Inter', Arial, Helvetica, sans-serif;
  font-size: 16px;
  background: var(--bottom-bar);
  color: var(--dark-text);
}

#loginScreen {
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
}

#loginScreen .card {
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 24px 48px rgba(0, 52, 102, 0.2);
  border: none;
  overflow: hidden;
}

#loginScreen .card-body {
  padding: 48px 40px;
}

#loginScreen h2 {
  color: var(--navy);
  font-weight: 800;
  font-size: 32px;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}

#loginScreen .form-label {
  color: var(--dark-text);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

#loginScreen .form-control {
  border: 2px solid #e4d7cf;
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 16px;
  transition: border-color 220ms ease, box-shadow 220ms ease;
}

#loginScreen .form-control:focus {
  border-color: var(--coral);
  box-shadow: 0 0 0 3px rgba(241, 112, 90, 0.15);
  outline: none;
}

#loginScreen .form-control.is-invalid {
  border-color: var(--coral);
}

#loginScreen .invalid-feedback {
  color: var(--coral);
  font-size: 13px;
  margin-top: 6px;
}

#loginScreen .input-group {
  border-radius: 8px;
  overflow: hidden;
}

#loginScreen .input-group .form-control {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}

#loginScreen .input-group .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  background: var(--warm-cream);
  border-color: #e4d7cf;
  color: var(--dark-text);
  font-weight: 600;
}

#loginScreen .input-group .btn:hover {
  background: var(--placeholder);
}

#loginScreen .btn-primary {
  background: var(--coral);
  border: none;
  border-radius: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 220ms ease, transform 150ms ease;
}

#loginScreen .btn-primary:hover {
  background: #e5624a;
  transform: translateY(-1px);
}

#loginScreen .btn-primary:active {
  transform: translateY(0);
}

#mainContent {
  background: var(--white);
  min-height: 100vh;
}

#mainContent > .container {
  padding-top: 48px;
  padding-bottom: 80px;
}

#mainContent h1 {
  color: var(--navy);
  font-weight: 800;
  font-size: 36px;
  letter-spacing: -0.03em;
  margin: 0;
}

#mainContent .btn-outline-secondary {
  color: var(--dark-text);
  border-color: #e4d7cf;
  font-weight: 600;
  border-radius: 8px;
  padding: 8px 20px;
}

#mainContent .btn-outline-secondary:hover {
  background: var(--warm-cream);
  border-color: var(--line);
  color: var(--dark-text);
}

.lang-btn {
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 6px;
  border: 2px solid var(--navy);
  color: var(--navy);
  background: transparent;
  transition: all 220ms ease;
}

.lang-btn:hover {
  background: var(--navy);
  color: var(--white);
}

.lang-btn.active {
  background: var(--navy);
  color: var(--white);
}

.nav-tabs {
  border-bottom: 2px solid #e4d7cf;
  gap: 8px;
  margin-bottom: 32px;
}

.nav-tabs .nav-link {
  color: var(--dark-text);
  font-weight: 600;
  font-size: 15px;
  border: none;
  padding: 14px 24px;
  border-radius: 8px 8px 0 0;
  transition: all 220ms ease;
  opacity: 0.8;
}

.nav-tabs .nav-link:hover {
  opacity: 1;
  color: var(--navy);
  border: none;
}

.nav-tabs .nav-link.active {
  background: var(--navy);
  color: var(--white);
  opacity: 1;
  border: none;
}

.card {
  border: none;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  overflow: hidden;
}

.card-header {
  border-radius: 12px 12px 0 0 !important;
  border: none;
  padding: 20px 24px;
  font-weight: 700;
  font-size: 16px;
}

.card-header.bg-primary {
  background: var(--navy) !important;
  color: var(--white);
}

.card-header.bg-info {
  background: var(--coral) !important;
  color: var(--white);
}

.card-header.bg-success {
  background: #4a9079 !important;
  color: var(--white);
}

.card-header.bg-warning {
  background: var(--warm-accent) !important;
  color: var(--dark-text);
}

.card-body {
  padding: 24px;
}

.table {
  margin-bottom: 0;
}

.table thead th {
  background: var(--navy) !important;
  border: none;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 14px 16px;
  color: var(--white);
}

.table tbody td {
  padding: 14px 16px;
  vertical-align: middle;
  color: var(--dark-text);
  border-color: #f0e8e3;
}

.table tbody tr:hover {
  background: rgba(241, 112, 90, 0.04);
}

.table-hover tbody tr:hover {
  --bs-table-hover-bg: rgba(241, 112, 90, 0.04);
}

.badge {
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 6px;
  background: var(--placeholder);
  color: var(--dark-text);
}

#manageProducts .btn-primary {
  background: var(--coral);
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  font-weight: 700;
  transition: background 220ms ease, transform 150ms ease;
}

#manageProducts .btn-primary:hover {
  background: #e5624a;
  transform: translateY(-1px);
}

#manageProducts hr {
  border: none;
  border-top: 2px solid #e4d7cf;
  margin: 28px 0;
}

#calculator hr {
  border: none;
  border-top: 2px solid #e4d7cf;
  margin: 28px 0;
}

#calculator h6 {
  color: var(--navy);
  font-weight: 800;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

#calculator .btn-success {
  background: var(--coral);
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  font-weight: 700;
  transition: background 220ms ease, transform 150ms ease;
}

#calculator .btn-success:hover {
  background: #e5624a;
  transform: translateY(-1px);
}

#calculatorForm .form-label {
  color: var(--dark-text);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
}

#calculatorForm .form-select,
#calculatorForm .form-control {
  border: 2px solid #e4d7cf;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 15px;
  transition: border-color 220ms ease, box-shadow 220ms ease;
}

#calculatorForm .form-select:focus,
#calculatorForm .form-control:focus {
  border-color: var(--coral);
  box-shadow: 0 0 0 3px rgba(241, 112, 90, 0.15);
}

#calculatorForm .btn-outline-secondary {
  border-radius: 8px;
  padding: 12px 24px;
  font-weight: 600;
}

.text-muted {
  color: var(--muted) !important;
  font-size: 14px;
}

.alert-success {
  background: var(--navy);
  border: none;
  border-radius: 12px;
  color: var(--white);
}

.alert-success .alert-heading {
  color: var(--white) !important;
  font-weight: 800;
}

.alert-success h2, .alert-success h4 {
  color: var(--white) !important;
}

.alert-success h6 {
  color: var(--warm-light) !important;
}

.alert-success .text-primary {
  color: var(--coral) !important;
  font-weight: 800;
}

#calculator {
  margin-top: 24px;
}

#calculatorForm {
  margin-bottom: 0;
}

#jobTable {
  background: var(--soft-section);
  border-radius: 8px;
  overflow: hidden;
  margin: 20px 0;
  border: 1px solid #e4d7cf;
}

#jobTable thead th {
  background: var(--navy) !important;
  font-size: 12px;
  color: var(--white) !important;
  border: none;
  padding: 14px 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

#jobTable tbody td {
  color: var(--dark-text) !important;
  background: var(--white);
  border-color: #f0e8e3;
  padding: 14px 16px;
  vertical-align: middle;
}

#jobTable tbody tr:hover td {
  background: rgba(241, 112, 90, 0.04);
}

#adminTable thead th {
  background: var(--navy) !important;
  color: var(--white) !important;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 14px 16px;
}

#adminTable tbody td {
  padding: 14px 16px;
  vertical-align: middle;
  color: var(--dark-text);
  border-color: #f0e8e3;
}

#adminTable tbody tr:hover td {
  background: rgba(241, 112, 90, 0.04);
}

#calculator hr,
#calculatorForm hr {
  border: none;
  border-top: 2px solid #e4d7cf;
  margin: 28px 0;
}

#calculator h6 {
  color: var(--navy);
  font-weight: 800;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

#calculator .btn-success {
  background: var(--coral);
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  font-weight: 700;
  transition: background 220ms ease, transform 150ms ease;
}

#calculator .btn-success:hover {
  background: #e5624a;
  transform: translateY(-1px);
}

#manageProducts .btn-primary {
  background: var(--coral);
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  font-weight: 700;
  transition: background 220ms ease, transform 150ms ease;
}

#manageProducts .btn-primary:hover {
  background: #e5624a;
  transform: translateY(-1px);
}

.modal-content {
  border: none;
  border-radius: 12px;
  overflow: hidden;
}

.modal-header {
  background: var(--navy);
  color: var(--white);
  padding: 20px 24px;
  border: none;
}

.modal-header .btn-close {
  filter: brightness(0) invert(1);
  opacity: 0.7;
}

.modal-header .btn-close:hover {
  opacity: 1;
}

.modal-title {
  font-weight: 800;
  font-size: 18px;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  border-top: 1px solid #f0e8e3;
  padding: 16px 24px;
}

.modal-footer .btn-primary {
  background: var(--coral);
  border: none;
  border-radius: 8px;
  padding: 10px 24px;
  font-weight: 700;
}

.modal-footer .btn-primary:hover {
  background: #e5624a;
}

.modal-footer .btn-secondary {
  background: var(--warm-cream);
  border: none;
  color: var(--dark-text);
  border-radius: 8px;
  padding: 10px 24px;
  font-weight: 600;
}

.modal-footer .btn-secondary:hover {
  background: var(--placeholder);
}

.btn-sm {
  border-radius: 6px;
  font-weight: 600;
  padding: 6px 14px;
}

.btn-sm.btn-primary {
  background: var(--navy);
  border: none;
}

.btn-sm.btn-primary:hover {
  background: #002855;
}

.btn-sm.btn-danger {
  background: var(--coral);
  border: none;
}

.btn-sm.btn-danger:hover {
  background: #e5624a;
}

#productModal .modal-header {
  background: var(--navy);
  color: var(--white);
}

#productModal .btn-close {
  filter: brightness(0) invert(1);
}

#priceTableBody td:nth-child(5),
#priceTableBody td:nth-child(6) {
  font-weight: 700;
  color: var(--navy) !important;
}

#totalPrice {
  color: var(--white);
  font-weight: 800;
  font-size: 32px;
}

#totalPriceIncVat {
  font-size: 20px;
  opacity: 0.9;
}

#alexShareDisplay {
  color: var(--coral) !important;
  font-size: 24px;
  font-weight: 800;
}

#alexInstallShareDisplay {
  color: var(--warm-light) !important;
}

@media (max-width: 768px) {
  #mainContent > .container {
    padding: 20px 16px 60px;
  }

  #mainContent h1 {
    font-size: 28px;
  }

  .nav-tabs .nav-link {
    padding: 10px 16px;
    font-size: 14px;
  }

  .card-body {
    padding: 16px;
  }

  .table {
    font-size: 14px;
  }

  #loginScreen .card-body {
    padding: 32px 24px;
  }

  #loginScreen h2 {
    font-size: 26px;
  }
}