* {
  box-sizing: border-box;
}

:root {
  --cc-brand: #015e65;
  --cc-brand-hover: #004c52;
  --cc-accent: #f1b032;
  --cc-page: #f8f9fa;
  --cc-surface: #fff;
  --cc-border: #d8dde3;
  --cc-border-strong: #b8c1cc;
  --cc-text: #222;
  --cc-muted: #666;
  --cc-tab-hover: #eef8f9;
  --cc-row-alt: #f7f9fb;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background: var(--cc-page);
  color: var(--cc-text);
  margin: 24px;
}

h1,
h2 {
  color: var(--cc-brand);
  border-bottom: 3px solid var(--cc-accent);
  padding-bottom: 0.4em;
  margin-top: 0;
}

h3,
h4 {
  color: var(--cc-brand);
}

button,
button.main-btn,
.bulk-btn,
.refresh-btn {
  background: var(--cc-brand);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover:not(:disabled),
button.main-btn:hover:not(:disabled),
.bulk-btn:hover:not(:disabled),
.refresh-btn:hover:not(:disabled) {
  background: var(--cc-brand-hover);
}

button:disabled,
button.main-btn:disabled,
.bulk-btn:disabled,
.refresh-btn:disabled {
  background: #aaa;
  cursor: not-allowed;
}

input,
select,
textarea {
  border: 1px solid var(--cc-border);
  border-radius: 6px;
}

.loading,
.loading-debtors {
  background: #e3f2fd !important;
  border: 1px solid #90caf9 !important;
  color: #1976d2 !important;
  border-radius: 6px;
}

.loading-overlay,
#loadingOverlay {
  align-items: center !important;
  background: rgba(248, 249, 250, 0.78) !important;
  bottom: 0 !important;
  display: none;
  justify-content: center !important;
  left: 0 !important;
  position: fixed !important;
  right: 0 !important;
  top: 0 !important;
  z-index: 9998 !important;
}

.loading-overlay.active,
#loadingOverlay.active {
  display: flex !important;
}

.loading-box,
#loadingOverlay > div {
  align-items: center !important;
  background: #fff !important;
  border: 1px solid var(--cc-border) !important;
  border-radius: 6px !important;
  box-shadow: 0 4px 18px rgba(0,0,0,0.16) !important;
  color: var(--cc-brand) !important;
  display: flex !important;
  font-weight: bold !important;
  gap: 10px !important;
  padding: 16px 20px !important;
  text-align: left !important;
}

.spinner,
#loadingOverlay .spinner {
  animation: spin 0.9s linear infinite !important;
  border: 3px solid var(--cc-border) !important;
  border-radius: 50% !important;
  border-top-color: var(--cc-brand) !important;
  display: inline-block !important;
  flex: 0 0 auto !important;
  height: 22px !important;
  margin: 0 !important;
  width: 22px !important;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

#loading-message.loading {
  align-items: center !important;
  background: #fff !important;
  border: 1px solid var(--cc-border) !important;
  border-radius: 6px !important;
  box-shadow: 0 4px 18px rgba(0,0,0,0.16), 0 0 0 9999px rgba(248, 249, 250, 0.78) !important;
  color: var(--cc-brand) !important;
  display: none;
  font-weight: bold !important;
  justify-content: center !important;
  left: 50% !important;
  max-width: min(92vw, 520px) !important;
  min-height: auto !important;
  padding: 16px 20px !important;
  position: fixed !important;
  text-align: left !important;
  top: 50% !important;
  transform: translate(-50%, -50%) !important;
  z-index: 9998 !important;
}

#loading-message.loading[style*="display: block"] {
  display: flex !important;
}

#loading-message.loading::before {
  animation: spin 0.9s linear infinite;
  border: 3px solid var(--cc-border);
  border-radius: 50%;
  border-top-color: var(--cc-brand);
  content: "";
  height: 22px;
  margin-right: 10px;
  width: 22px;
}

.error {
  background: #ffebee;
  border: 1px solid #ef9a9a;
  color: #c0392b;
}

.success,
.success-message {
  background: #e8f5e9;
  border: 1px solid #a5d6a7;
  color: #2e7d32;
}

#status {
  border-radius: 6px;
}

#status:empty {
  display: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

#status:not(:empty) {
  display: block;
}

.app-version-footer {
  color: #a3adb7;
  font-size: 0.72rem;
  line-height: 1.2;
  margin: 14px auto 0;
  text-align: center;
}

/* Dashboard shell */
.parent-tabs,
.tabs,
.tab-bar {
  align-items: flex-end !important;
  border-bottom: 4px solid var(--cc-brand) !important;
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
  margin: 0 0 16px 0 !important;
}

.parent-tab,
.tab,
.tab-btn {
  align-items: center !important;
  background: var(--cc-surface) !important;
  border: 1px solid var(--cc-border) !important;
  border-bottom: none !important;
  border-radius: 8px 8px 0 0 !important;
  color: var(--cc-text) !important;
  cursor: pointer !important;
  display: inline-flex !important;
  font-size: 1rem !important;
  font-weight: 700 !important;
  justify-content: center !important;
  line-height: 1.2 !important;
  margin: 0 !important;
  min-height: 44px !important;
  padding: 10px 16px !important;
  text-align: center !important;
  white-space: nowrap !important;
}

.parent-tab:hover,
.tab:hover,
.tab-btn:hover {
  background: var(--cc-tab-hover) !important;
}

.parent-tab.active,
.tab.active,
.tab-btn.active {
  background: var(--cc-brand) !important;
  border-color: var(--cc-brand) !important;
  color: #fff !important;
}

.parent-content,
.tab-content,
.tab-panel {
  display: none;
}

.parent-content.active,
.tab-content.active,
.tab-panel.active {
  display: block;
}

.parent-content iframe,
iframe {
  background: var(--cc-surface) !important;
  border: 1px solid var(--cc-border) !important;
  border-radius: 0 0 6px 6px !important;
  box-shadow: none !important;
  display: block;
  min-height: calc(100vh - 160px);
  width: 100% !important;
}

/* Page surfaces */
#preview-area {
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  margin-top: 12px !important;
  padding: 0 !important;
}

.preview-header {
  align-items: center;
  background: #f7fbfc;
  border-bottom: 1px solid var(--cc-border);
  color: var(--cc-brand);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
  margin: 0;
  padding: 12px 16px;
}

.preview-header #preview-counter {
  color: var(--cc-muted) !important;
  font-size: 0.9em !important;
  font-weight: 700;
}

.preview-section {
  background: #fff !important;
  border: 1px solid var(--cc-border) !important;
  border-left: 5px solid var(--cc-brand) !important;
  border-radius: 6px !important;
  box-shadow: none !important;
  margin-top: 18px !important;
  padding: 0 !important;
  overflow: hidden;
}

.preview-section #preview-content {
  background: #fff;
  padding: 16px;
}

.preview-section .nav-buttons {
  background: #fff;
  border-top: 1px solid var(--cc-border);
  margin-top: 0 !important;
  padding: 12px 16px 16px;
}

#result,
#creditor-result,
.panel,
.selection-box {
  background: var(--cc-surface) !important;
  border: 1px solid var(--cc-border) !important;
  border-radius: 6px !important;
  box-shadow: none !important;
}

.panel {
  padding: 16px !important;
}

.tab-table,
table,
#preview-content table {
  width: 100%;
  border-collapse: collapse;
  background: var(--cc-surface);
  font-family: Arial, sans-serif;
  font-size: 12px;
  line-height: 1.15;
}

.tab-table th,
.tab-table td,
table th,
table td,
#preview-content th,
#preview-content td {
  border: 1px solid var(--cc-border);
  padding: 7px 8px;
  text-align: center;
  vertical-align: middle;
}

.tab-table th,
table th,
#preview-content th {
  background: #eef1f4;
  color: var(--cc-text);
  font-weight: bold;
}

tr:nth-child(even) {
  background: var(--cc-row-alt);
}

.global-search,
.debtor-dropdown,
.search-input {
  border: 1px solid var(--cc-border) !important;
  border-radius: 6px !important;
}

.modal-content {
  border-radius: 8px !important;
}

@media (max-width: 760px) {
  body {
    margin: 16px;
  }

  .parent-tab,
  .tab,
  .tab-btn {
    flex: 1 1 auto;
    min-width: 120px;
    white-space: normal !important;
  }
}