:root {
  --bg: #0f1724;
  --card: #1a2332;
  --text: #e6eef8;
  --muted: #9aa4b2;
  --accent: #4f46e5;
  --accent-light: #6366f1;
  --success: #10b981;
  --warning: #f59e0b;
  --border: rgba(255, 255, 255, 0.08);
  --code-bg: #0d1117;
}

.debug-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  background: var(--card);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 8px;
}

.debug-banner.state-checking {
  background: var(--muted);
}
.debug-banner.state-login {
  background: var(--warning);
}
.debug-banner.state-registration {
  background: var(--accent);
}
.debug-banner.state-main {
  background: var(--success);
}
.debug-banner.state-error {
  background: #c62828;
}

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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(180deg, #0a1120 0%, #0f1724 100%);
  color: var(--text);
  line-height: 1.6;
  padding: 20px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  padding: 20px;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 10001;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--card);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  max-width: 400px;
  width: 100%;
  border: 1px solid var(--border);
}

.modal-content h2 {
  margin-bottom: 30px;
  color: var(--text);
  text-align: center;
}

.container {
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border-radius: 16px;
  padding: 5px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.header {
  color: var(--text);
  padding: 10px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.header .logo {
  max-width: 100px;
  height: auto;
  flex-shrink: 0;
}

.header-title {
  flex: 1;
  text-align: center;
}

.header h1 {
  font-size: 2.5em;
}

.auth-section {
  padding: 10px;
  background: var(--card);
  border-bottom: 2px solid var(--border);
}

.input-group {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.input-field {
  flex: 1;
  min-width: 200px;
  margin-bottom: 8px;
}

.input-field label {
  display: block;
  margin-bottom: 2px;
  font-weight: 600;
  color: var(--text);
}

.input-field input,
.input-field select {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: 6px;
  font-size: 16px;
  transition: border-color 0.3s;
  background: var(--code-bg);
  color: var(--text);
}

.input-field input:focus,
.input-field select:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  padding: 12px 30px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

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

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

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

.btn-success:hover {
  background: var(--success);
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

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

.btn-secondary:hover {
  background: var(--muted);
  filter: brightness(1.1);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.controls {
  padding: 10px 10px;
  background: var(--card);
  border-bottom: 2px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.grid-size-controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

.grid-size-controls label {
  font-weight: 600;
  color: var(--text);
}

.grid-btn {
  padding: 8px 20px;
  background: var(--code-bg);
  color: var(--text);
  border: 2px solid var(--border);
}

.grid-btn.active {
  background: var(--accent);
  color: var(--text);
  border-color: var(--accent);
}

.action-buttons {
  display: flex;
  gap: 10px;
  align-items: center;
}

.selection-info {
  font-weight: 600;
  color: var(--text);
}

.gallery {
  padding: 30px;
  min-height: 400px;
}

.photo-grid {
  display: grid;
  gap: 20px;
}

.photo-grid.large {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.photo-grid.medium {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.photo-grid.small {
  grid-template-columns: repeat(8, minmax(0, 1fr));
}

@media (max-width: 1200px) {
  .photo-grid.large {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .photo-grid.medium {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .photo-grid.small {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .photo-grid.large {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .photo-grid.medium {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  }

  .photo-grid.small {
    grid-template-columns: repeat(6, minmax(0, 1fr)) !important;
  }
}

.photo-card {
  position: relative;
  background: var(--card);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
  border: 3px solid transparent;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.photo-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.3);
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.photo-card .checkbox-overlay {
  position: absolute;
  top: 0px;
  right: 0px;
  width: 30px;
  height: 30px;
  background: var(--code-bg);
  border: 2px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.photo-card.selected .checkbox-overlay {
  background: var(--accent);
  border-color: var(--accent);
}

.photo-card.selected .checkbox-overlay::after {
  content: "✓";
  color: var(--text);
  font-weight: bold;
  font-size: 18px;
}

.loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}

.spinner {
  border: 4px solid var(--border);
  border-top: 4px solid var(--accent);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.error {
  background: rgba(220, 38, 38, 0.2);
  color: #fca5a5;
  padding: 15px 20px;
  margin: 20px 30px;
  border-radius: 6px;
  border-left: 4px solid #dc2626;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}

.empty-state h3 {
  margin-bottom: 10px;
  font-size: 1.5em;
}

.fullscreen-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 36, 0.97);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

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

.fullscreen-content {
  position: relative;
  max-width: 90vw;
  max-height: calc(100vh - 120px);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.fullscreen-content img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  transition: transform 0.2s ease;
  cursor: grab;
  user-select: none;
}

.fullscreen-content img.panning {
  cursor: grabbing;
  transition: none;
}

.fullscreen-controls {
  position: absolute;
  top: -60px;
  display: flex;
  gap: 10px;
  z-index: 10000;
  width: 100%;
}

.fullscreen-btn {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  min-width: 45px;
}

.fullscreen-btn:hover {
  background: var(--code-bg);
  transform: scale(1.05);
}

.fullscreen-close-btn {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  margin-left: auto;
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  min-width: 45px;
}

.fullscreen-close-btn:hover {
  background: var(--code-bg);
  transform: scale(1.05);
}

.zoom-level {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 600;
  z-index: 10000;
  border: 1px solid var(--border);
}

/* Invoice Table Styles */
.table-container {
  width: 100%;
  max-height: 600px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
}

.invoice-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

.invoice-table thead {
  position: sticky;
  top: 0;
  background: var(--accent);
  z-index: 100;
}

.invoice-table th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  color: white;
  white-space: nowrap;
  border-bottom: 2px solid var(--accent-light);
}

.invoice-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.invoice-table th:nth-child(5),
.invoice-table th:nth-child(6),
.invoice-table td:nth-child(5),
.invoice-table td:nth-child(6) {
  text-align: right;
}

.invoice-table tbody tr:hover {
  background: rgba(79, 70, 229, 0.1);
}

.invoice-table tbody tr:last-child td {
  border-bottom: none;
}

/* Horizontal scrolling for table */
@media (max-width: 1024px) {
  .table-container {
    overflow-x: auto;
  }

  .invoice-table {
    font-size: 14px;
  }

  .invoice-table th,
  .invoice-table td {
    padding: 10px 12px;
  }
}