:root {
  --color-primary: #0A1128;
  --color-background: #F5F2EC;
  --color-surface: #FCFAF7;
  --color-text: #1C2333;
  --color-muted: #9CA3AF;
  --color-accent: #7C9082;
  --color-warning: #B45F06;

  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Geist', sans-serif;
  --font-mono: 'Geist Mono', monospace;

  --border-thin: 1px solid var(--color-primary);
  --border-hairline: 1px solid rgba(10, 17, 40, 0.15);

  --radius-none: 0px;
  --spacing-sm: 16px;
  --spacing-md: 32px;
  --spacing-lg: 64px;
}

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

body {
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--color-primary);
}

.screen-title {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

button {
  cursor: pointer;
  border-radius: var(--radius-none);
  font-family: var(--font-sans);
}

/* Typography & Layout Setup */
.global-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: var(--border-thin);
  background-color: var(--color-surface);
}

.brand {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
}

.nav-link {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  transition: color 0.2s;
}

.nav-link.active, .nav-link:hover {
  color: var(--color-primary);
}

#app-canvas {
  padding: var(--spacing-md);
  max-width: 1440px;
  margin: 0 auto;
}

.screen {
  display: none;
  animation: fadeIn 0.3s ease-out;
}

.screen.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Dashboard Grid */
.grid-70-30 {
  display: grid;
  grid-template-columns: 7fr 3fr;
  gap: var(--spacing-md);
}

.metrics-grid {
  display: flex;
  flex-direction: column;
}

.metric-block {
  width: 100%;
  max-width: 320px;
  border-top: var(--border-thin);
  padding: var(--spacing-md) 0;
  margin-bottom: var(--spacing-md);
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.metric-value {
  font-family: var(--font-serif);
  font-size: 36px;
  color: var(--color-primary);
}

.reservations-panel {
  background-color: var(--color-surface);
  border: var(--border-thin);
  padding: var(--spacing-md);
  min-height: 400px;
}

.panel-title {
  font-size: 24px;
  margin-bottom: var(--spacing-sm);
  border-bottom: var(--border-hairline);
  padding-bottom: var(--spacing-sm);
}

.reservation-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 48px;
  border-bottom: var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 12px;
  transition: background-color 0.2s;
  padding: 0 var(--spacing-sm);
  margin: 0 calc(-1 * var(--spacing-sm));
}

.reservation-row:hover {
  background-color: var(--color-background);
  cursor: crosshair;
}

.empty-text {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-muted);
  font-size: 18px;
  text-align: center;
  padding: var(--spacing-md);
}

/* User Account & Ledger */
.search-container {
  margin-bottom: var(--spacing-lg);
}

.search-input {
  width: 100%;
  height: 64px;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--color-primary);
  font-family: var(--font-sans);
  font-size: 24px;
  color: var(--color-text);
  outline: none;
  border-radius: var(--radius-none);
  padding: 0 var(--spacing-sm);
}

.search-input::placeholder {
  color: var(--color-muted);
}

.account-grid {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: var(--spacing-lg);
}

.balance-panel {
  text-align: left;
}

.balance-panel .metric-value {
  font-size: 64px;
  margin-bottom: var(--spacing-sm);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-surface);
  border: none;
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: background-color 0.2s;
}

.btn-primary:hover {
  background-color: #1a2542;
}

.btn-primary.full-width {
  width: 100%;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: var(--border-thin);
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

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

.btn-secondary.full-width {
  width: 100%;
}

.grant-form {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border: var(--border-thin);
  background: var(--color-surface);
  display: none;
}

.grant-form.active {
  display: block;
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--color-muted);
}

.form-input {
  width: 100%;
  padding: 8px 12px;
  border: var(--border-thin);
  background: var(--color-background);
  font-family: var(--font-sans);
  font-size: 15px;
  border-radius: var(--radius-none);
  outline: none;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th, .data-table td {
  padding: 12px var(--spacing-sm);
  border-bottom: var(--border-hairline);
}

.data-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: normal;
}

.data-table td {
  font-family: var(--font-sans);
}

.data-table td.mono {
  font-family: var(--font-mono);
  font-size: 12px;
}

.data-table tr:hover td {
  background-color: rgba(10, 17, 40, 0.02);
}

.delta-positive {
  color: var(--color-accent);
}

.delta-negative {
  color: var(--color-warning);
}

/* Payment Verification */
.verification-container {
  max-width: 1200px;
  margin: 0 auto;
}

.queue-row {
  height: 64px;
}

.action-btn {
  background-color: var(--color-primary);
  color: var(--color-surface);
  border: none;
  padding: 8px 16px;
  font-family: var(--font-sans);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.action-btn:hover {
  background-color: #1a2542;
}

.row-success {
  animation: pulseGreen 1s forwards;
}

@keyframes pulseGreen {
  0% { background-color: transparent; }
  50% { background-color: var(--color-accent); }
  100% { background-color: transparent; transform: scaleY(0); opacity: 0; }
}

.slide-panel {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100vh;
  background-color: var(--color-surface);
  box-shadow: 0 0 40px rgba(0,0,0,0.1);
  z-index: 100;
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.slide-panel.open {
  right: 0;
}

.slide-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.3);
  z-index: 90;
  display: none;
}

.slide-overlay.active {
  display: block;
}

.slide-panel-header {
  padding: var(--spacing-md);
  border-bottom: var(--border-thin);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slide-panel-header h2 {
  font-size: 24px;
}

.close-btn {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-muted);
}

.slide-panel-body {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.verification-note-group {
  margin-bottom: 0;
}

.verification-note-input {
  min-height: 88px;
  resize: vertical;
}

.receipt-placeholder {
  flex: 1;
  border: 1px dashed var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  color: var(--color-muted);
  background: var(--color-background);
}

.verification-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Global Ledger v2 */
.gl-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 140px);
  overflow: hidden;
}

.gl-header {
  margin-bottom: var(--spacing-md);
  flex: none;
}

.gl-title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.gl-subtitle {
  font-family: var(--font-mono);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

.gl-filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-surface);
  border: var(--border-thin);
  border-bottom: none;
  padding: var(--spacing-sm);
  flex: none;
  z-index: 20;
}

.gl-filters-left {
  display: flex;
  gap: 24px;
  align-items: center;
}

.gl-filter-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gl-filter-group label {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  color: var(--color-muted);
  letter-spacing: 0.05em;
}

.gl-select-wrapper {
  position: relative;
}

.gl-select {
  appearance: none;
  background: transparent;
  border: none;
  border-bottom: var(--border-hairline);
  padding: 4px 32px 4px 4px;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
}

.gl-select:focus, .gl-select:hover {
  border-bottom: 1px solid var(--color-primary);
}

.gl-select-icon {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  pointer-events: none;
  font-size: 16px;
}

.gl-search-wrapper {
  position: relative;
  width: 256px;
}

.gl-search-icon {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  font-size: 16px;
}

.gl-search-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: var(--border-hairline);
  padding: 4px 8px 4px 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s;
}

.gl-search-input::placeholder {
  color: var(--color-muted);
}

.gl-search-input:focus {
  border-bottom: 1px solid var(--color-primary);
}

.gl-table-wrapper {
  flex: 1;
  overflow: auto;
  background-color: var(--color-surface);
  border: var(--border-thin);
}

.gl-table-wrapper::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
.gl-table-wrapper::-webkit-scrollbar-track {
  background: var(--color-background); 
}
.gl-table-wrapper::-webkit-scrollbar-thumb {
  background: rgba(10, 17, 40, 0.2); 
  border-radius: 4px;
}
.gl-table-wrapper::-webkit-scrollbar-thumb:hover {
  background: rgba(10, 17, 40, 0.4); 
}

.gl-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  white-space: nowrap;
}

.gl-table thead {
  position: sticky;
  top: 0;
  background-color: var(--color-surface);
  z-index: 10;
}

.gl-table th {
  padding: 12px 16px;
  border-bottom: var(--border-thin);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: normal;
  letter-spacing: 0.05em;
}

.gl-table tbody {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}

.gl-row {
  position: relative;
  transition: background-color 0.15s ease;
  border-bottom: var(--border-hairline);
  background-color: var(--color-surface);
  cursor: pointer;
}

.gl-row:hover,
.gl-row.is-expanded {
  background-color: var(--color-background);
}

.gl-row:hover::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-primary);
  pointer-events: none;
  z-index: 10;
}

.gl-row td {
  padding: 12px 16px;
}

.gl-row td.gl-text-muted {
  color: var(--color-muted);
}

.gl-row td.gl-hash {
  color: rgba(10, 17, 40, 0.7);
  cursor: pointer;
  transition: color 0.15s;
}

.gl-row td.gl-hash:hover {
  color: var(--color-primary);
}

.gl-row td.gl-user {
  font-family: var(--font-serif);
  font-size: 14px;
}

.gl-row td.gl-right {
  text-align: right;
}

.gl-row td.gl-positive {
  color: var(--color-accent);
}

.gl-row td.gl-negative {
  color: var(--color-warning);
}

.gl-balance-cell {
  text-decoration: underline dotted rgba(10, 17, 40, 0.3);
  text-underline-offset: 3px;
}

.gl-detail-row td {
  padding: 0;
  border-bottom: var(--border-hairline);
  background-color: var(--color-background);
}

.gl-detail-panel {
  padding: 20px;
  border-top: var(--border-hairline);
}

.gl-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.gl-detail-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.gl-detail-email,
.gl-detail-reference {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--color-primary);
}

.gl-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.gl-detail-section {
  border: var(--border-thin);
  background: var(--color-surface);
  padding: 18px;
}

.gl-detail-section h3 {
  font-size: 18px;
  margin-bottom: 16px;
}

.gl-detail-list {
  display: grid;
  gap: 10px;
}

.gl-detail-kv {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  padding-bottom: 10px;
  border-bottom: var(--border-hairline);
}

.gl-detail-kv:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.gl-detail-key {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-muted);
}

.gl-detail-value {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text);
  text-align: right;
  word-break: break-word;
}

.gl-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.gl-meta-chip {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 8px 12px;
  border: var(--border-hairline);
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text);
}

.gl-pagination {
  flex: none;
  padding-top: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: var(--border-hairline);
  margin-top: var(--spacing-sm);
}

.gl-page-info {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
}

.gl-page-actions {
  display: flex;
  gap: 24px;
}

.gl-page-btn {
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  transition: opacity 0.2s;
}

.gl-page-btn:disabled {
  color: var(--color-muted);
  opacity: 0.5;
  cursor: not-allowed;
}

.gl-page-btn:not(:disabled):hover {
  opacity: 0.7;
}

/* Utils */
.mono {
  font-family: var(--font-mono) !important;
}

/* Responsive Overrides */
@media (max-width: 1024px) {
  .grid-70-30 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .grid-70-30, .account-grid {
    grid-template-columns: 1fr;
  }
  .gl-filter-bar,
  .gl-filters-left,
  .gl-detail-grid,
  .gl-detail-header {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }
  .gl-search-wrapper {
    width: 100%;
  }
  .gl-detail-value {
    text-align: left;
  }
  .slide-panel {
    width: 100vw;
    right: -100vw;
  }
  #app-canvas {
    padding: var(--spacing-sm);
  }
}