:root {
  --bg-dark: #0a0e1a;
  --bg-card: #0f1629;
  --bg-card-hover: #151d35;
  --bg-input: #1a2340;
  --border-color: #1e2a4a;
  --border-glow: #2d4a8a;

  --text-primary: #ffffff;
  --text-secondary: #8b9dc3;
  --text-muted: #5a6b8a;

  --accent-cyan: #00d4ff;
  --accent-pink: #ff3d8a;
  --accent-purple: #a855f7;
  --accent-blue: #3b82f6;

  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.3);
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.3);

  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #a855f7 100%);
  --gradient-pink: linear-gradient(135deg, #ff3d8a 0%, #ff6b9d 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

/* Light Theme */
[data-theme="light"] {
  --bg-dark: #f0f4f8;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-input: #f1f5f9;
  --border-color: #e2e8f0;
  --border-glow: #cbd5e1;

  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --accent-cyan: #0891b2;
  --accent-pink: #db2777;
  --accent-purple: #7c3aed;
  --accent-blue: #2563eb;

  --success: #059669;
  --success-glow: rgba(5, 150, 105, 0.2);
  --warning: #d97706;
  --danger: #dc2626;
  --danger-glow: rgba(220, 38, 38, 0.2);

  --gradient-primary: linear-gradient(135deg, #0891b2 0%, #7c3aed 100%);
  --gradient-pink: linear-gradient(135deg, #db2777 0%, #ec4899 100%);
  --gradient-success: linear-gradient(135deg, #059669 0%, #10b981 100%);
}

[data-theme="light"] .card {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .card:hover {
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] input[type="number"],
[data-theme="light"] input[type="text"],
[data-theme="light"] select {
  background: #ffffff;
  border-color: #d1d5db;
}

[data-theme="light"] input[type="number"]:focus,
[data-theme="light"] input[type="text"]:focus,
[data-theme="light"] select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.15);
}

[data-theme="light"] .nav-tab {
  background: #ffffff;
}

[data-theme="light"] .nav-tab:hover {
  background: #f8fafc;
}

[data-theme="light"] header h1 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] ::-webkit-scrollbar-track {
  background: #f1f5f9;
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: #cbd5e1;
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.nav-tab {
  padding: 0.5rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.nav-tab:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  color: var(--text-primary);
}

.nav-tab.active {
  background: var(--gradient-primary);
  border-color: var(--accent-cyan);
  color: white;
}

.nav-icon {
  font-size: 1.1rem;
  line-height: 1;
}

.nav-label {
  font-size: 0.75rem;
  display: none;
}

/* Mobile bottom navigation */
@media (max-width: 600px) {
  .nav-tabs {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    margin: 0;
    padding: 0.5rem 0.25rem;
    padding-bottom: calc(0.5rem + env(safe-area-inset-bottom));
    gap: 0.25rem;
    z-index: 1000;
    justify-content: space-around;
    flex-wrap: nowrap;
  }

  .nav-tab {
    flex: 1;
    padding: 0.5rem 0.25rem;
    font-size: 0.65rem;
    text-align: center;
    border: none;
    background: transparent;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    min-width: 0;
  }

  .nav-tab:hover {
    background: var(--bg-input);
    border: none;
  }

  .nav-tab.active {
    background: rgba(0, 212, 255, 0.15);
    border: none;
    color: var(--accent-cyan);
  }

  .nav-icon {
    font-size: 1.25rem;
  }

  .nav-label {
    display: block;
    font-size: 0.6rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }

  /* Add padding to body for bottom nav */
  body {
    padding-bottom: 70px;
  }
}

/* Header */
header {
  text-align: center;
  padding: 2rem 1rem 1rem;
}

header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

header .address {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 400;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.05);
}

.card h2 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card h3 {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 1.5rem 0 0.75rem;
}

/* Property Grid */
.property-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.property-item {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background: var(--bg-input);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.property-item:hover {
  border-color: var(--border-glow);
}

.property-item label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.property-item span {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Small buttons */
.btn-small {
  font-size: 0.7rem;
  padding: 0.4rem 0.75rem;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-small:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-small:disabled {
  background: var(--bg-input);
  color: var(--text-muted);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* Status text */
.status-text {
  font-size: 0.75rem !important;
  font-weight: 500 !important;
  color: var(--text-muted) !important;
  display: block;
  margin-bottom: 0.75rem;
}

.status-text.loading {
  color: var(--warning) !important;
}

.status-text.success {
  color: var(--success) !important;
}

.status-text.error {
  color: var(--danger) !important;
}

.year-label {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 0.25rem;
}

.link-small {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s;
}

.link-small:hover {
  color: var(--accent-purple);
}

/* Market data */
.market-data input {
  width: 90px;
  padding: 0.4rem 0.5rem;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--text-primary);
  text-align: right;
}

.market-data input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.market-diff-positive {
  color: var(--success) !important;
  text-shadow: 0 0 10px var(--success-glow);
}

.market-diff-negative {
  color: var(--danger) !important;
  text-shadow: 0 0 10px var(--danger-glow);
}

/* Loan Structure */
.loan-structure {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.loan-item {
  text-align: center;
  padding: 1.25rem 1rem;
  background: var(--bg-input);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.loan-item:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.loan-item label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.loan-item span {
  font-size: 1.125rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Table */
.table-wrapper {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background: var(--bg-input);
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

td:first-child {
  font-weight: 500;
  color: var(--text-primary);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: var(--bg-card-hover);
}

/* Number inputs */
input[type="number"] {
  width: 85px;
  padding: 0.5rem 0.75rem;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--text-primary);
  text-align: right;
  transition: all 0.2s ease;
}

input[type="number"]:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

input.better {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--success);
  box-shadow: 0 0 10px var(--success-glow);
}

input.worse {
  background: rgba(239, 68, 68, 0.15);
  border-color: var(--danger);
  box-shadow: 0 0 10px var(--danger-glow);
}

/* Results Grid */
.results-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 0.5rem 1.5rem;
}

.result-header {
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.75rem 0;
  border-bottom: 2px solid var(--border-color);
}

.result-header:nth-child(2) {
  color: var(--accent-cyan);
}

.result-header:nth-child(3) {
  color: var(--accent-pink);
}

.result-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.result-value {
  font-size: 0.9rem;
  font-weight: 600;
  text-align: right;
  padding: 0.75rem 0;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

.result-label.total,
.result-value.total {
  font-weight: 700;
  font-size: 1.1rem;
  border-top: 2px solid var(--accent-cyan);
  border-bottom: none;
  padding-top: 1rem;
  margin-top: 0.5rem;
}

.result-value.winner {
  color: var(--success);
  text-shadow: 0 0 15px var(--success-glow);
}

.result-value.loser {
  color: var(--danger);
  text-shadow: 0 0 15px var(--danger-glow);
}

/* Decision Box */
.decision-box {
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(52, 211, 153, 0.1) 100%);
  border: 1px solid var(--success);
  border-radius: 16px;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 40px rgba(16, 185, 129, 0.15);
}

.decision-box.loser-nykredit {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(168, 85, 247, 0.1) 100%);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.15);
}

.winner {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.savings {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--success);
  text-shadow: 0 0 20px var(--success-glow);
}

.savings-breakdown {
  font-size: 0.875rem;
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.breakdown-item:last-child {
  border-bottom: none;
  font-weight: 600;
  color: var(--text-primary);
}

.breakdown-value {
  font-weight: 600;
}

.breakdown-value.positive {
  color: var(--success);
}

.breakdown-value.negative {
  color: var(--danger);
}

/* Progress Bar */
.progress-bar {
  height: 6px;
  background: var(--bg-input);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  transition: width 0.5s ease;
  border-radius: 3px;
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.progress-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* Checklist */
.checklist {
  list-style: none;
}

.checklist li {
  display: flex;
  align-items: center;
  padding: 0.875rem 0.5rem;
  margin: 0 -0.5rem;
  border-bottom: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all 0.2s ease;
  cursor: grab;
}

.checklist li:hover {
  background: var(--bg-card-hover);
}

.checklist li:last-child {
  border-bottom: none;
}

/* Drag handle */
.checklist .drag-handle {
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 0 0.5rem;
  cursor: grab;
  opacity: 0.4;
  transition: opacity 0.2s;
  user-select: none;
  letter-spacing: -2px;
}

.checklist li:hover .drag-handle {
  opacity: 1;
}

/* Dragging states */
.checklist li.dragging {
  opacity: 0.5;
  background: var(--bg-input);
  border: 1px dashed var(--accent-cyan);
  cursor: grabbing;
}

.checklist li.drag-over {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
  transform: scale(1.02);
}

.checklist li.drag-over::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -2px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.checklist input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-right: 0.75rem;
  cursor: pointer;
  accent-color: var(--accent-cyan);
  flex-shrink: 0;
}

.checklist label {
  cursor: pointer;
  flex: 1;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.checklist li:hover label {
  color: var(--text-primary);
}

.checklist li.completed label {
  color: var(--text-muted);
  text-decoration: line-through;
}

.checklist .delete-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  font-size: 1.25rem;
  opacity: 0;
  transition: all 0.2s;
  flex-shrink: 0;
}

.checklist li:hover .delete-btn {
  opacity: 1;
}

.checklist .delete-btn:hover {
  color: var(--danger);
  text-shadow: 0 0 10px var(--danger-glow);
}

/* Add checklist item */
.add-checklist-item {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.add-checklist-item input[type="text"] {
  flex: 1;
  padding: 0.625rem 1rem;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.add-checklist-item input[type="text"]::placeholder {
  color: var(--text-muted);
}

.add-checklist-item input[type="text"]:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

/* Buttons */
.actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  flex: 1;
  min-width: 150px;
  padding: 1rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.25);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.35);
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  box-shadow: none;
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  color: var(--text-primary);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  max-width: 650px;
  width: 100%;
  max-height: 85vh;
  overflow: auto;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.modal-content h2 {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  border-bottom: none;
  padding-bottom: 0;
}

.modal-content textarea {
  width: 100%;
  height: 320px;
  padding: 1rem;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
  resize: none;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.modal-content textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.modal-actions {
  display: flex;
  gap: 1rem;
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: #111;
  }

  .container {
    max-width: 100%;
  }

  .card {
    background: white;
    border: 1px solid #ddd;
    box-shadow: none;
    break-inside: avoid;
  }

  .card h2 {
    color: #333;
  }

  .property-item,
  .loan-item {
    background: #f5f5f5;
  }

  .property-item span,
  .loan-item span,
  .result-value,
  .winner {
    color: #111;
    -webkit-text-fill-color: #111;
    background: none;
  }

  .actions,
  .modal,
  .add-checklist-item,
  .btn-small {
    display: none !important;
  }

  input[type="number"],
  input[type="text"] {
    border: none;
    background: transparent;
    color: #111;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .property-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .loan-structure {
    grid-template-columns: 1fr;
  }

  .results-grid {
    grid-template-columns: 1fr 1fr 1fr;
    font-size: 0.8rem;
    gap: 0.25rem 0.5rem;
  }

  input[type="number"] {
    width: 70px;
  }
}

@media (max-width: 540px) {
  .property-grid {
    grid-template-columns: 1fr;
  }

  .results-grid {
    font-size: 0.75rem;
  }

  .result-value {
    font-size: 0.8rem;
  }

  input[type="number"] {
    width: 60px;
    padding: 0.4rem 0.5rem;
    font-size: 0.8rem;
  }

  .table-wrapper {
    margin: 0 -0.5rem;
    border-radius: 8px;
  }

  th, td {
    padding: 0.6rem 0.4rem;
    font-size: 0.75rem;
  }

  td:first-child {
    font-size: 0.7rem;
    max-width: 90px;
    word-wrap: break-word;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .decision-box {
    padding: 1.5rem 1rem;
  }

  .winner {
    font-size: 1.4rem;
  }

  .savings {
    font-size: 1rem;
  }
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-glow);
}