:root, html[data-theme="light"] {
  color-scheme: light;
  --bg-page: #edf1f5;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --text-main: #0f172a;
  --text-muted: #475569;
  --border-color: #cbd5e1;
  --border-strong: #94a3b8;
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-glow: rgba(2, 132, 199, 0.2);
  --gold: #d97706;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --badge-bg: #f1f5f9;
  --table-stripe: #f8fafc;
  --table-highlight: #f0fdf4;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --beyond-black: #1c1a1b;
  --beyond-deep: #111011;
  --beyond-gold: #eac23b;
  --beyond-gold-hover: #f3ce49;
  --beyond-gold-border: #d4ab26;

  --bg-page: #111011;
  --bg-surface: #1c1a1b;
  --bg-card: #1c1a1b;
  --bg-input: #232021;
  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;
  --border-color: #2e2c2d;
  --border-strong: #52525b;
  --primary: #eac23b;
  --primary-hover: #f3ce49;
  --primary-glow: rgba(234, 194, 59, 0.25);
  --gold: #eac23b;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --badge-bg: #262324;
  --table-stripe: #171516;
  --table-highlight: #1b2e21;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.2s, color 0.2s;
}

/* HEADER */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 36px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  height: 48px;
  width: auto;
  user-select: none;
}

.brand-title-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.brand-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-selector-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-input);
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.user-selector-label {
  font-size: 12px;
  color: var(--text-muted);
}

.user-select {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-weight: 600;
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

.role-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.role-admin {
  background-color: rgba(234, 194, 59, 0.2);
  color: var(--gold);
  border: 1px solid rgba(234, 194, 59, 0.4);
}

.role-employee {
  background-color: rgba(2, 132, 199, 0.15);
  color: var(--primary);
  border: 1px solid rgba(2, 132, 199, 0.3);
}

.btn-icon {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

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

/* NAVIGATION TABS */
.nav-bar {
  display: flex;
  gap: 8px;
  padding: 0 36px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
}

.nav-tab {
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.nav-tab:hover {
  color: var(--text-main);
}

.nav-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* MAIN CONTENT */
.main-container {
  max-width: 1500px;
  width: 98%;
  margin: 0 auto;
  padding: 24px 16px;
  flex: 1;
}

/* SECTION HEADERS */
.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.view-title {
  font-size: 24px;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  text-decoration: none;
}

.topbar-btn {
  height: 32px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
  text-decoration: none;
  box-sizing: border-box;
}
.topbar-btn:hover {
  background-color: var(--bg-input);
  border-color: var(--border-strong);
}
.topbar-btn:active:not(:disabled) {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--primary);
  color: #111;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  filter: brightness(1.03);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--border-strong);
  background-color: var(--bg-input);
}

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

.btn-success:hover {
  opacity: 0.9;
}

.btn-danger {
  background-color: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  opacity: 0.9;
}

/* STATUS BADGES */
.status-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.status-bozza {
  background-color: rgba(161, 161, 170, 0.2);
  color: var(--text-muted);
}

.status-inviata {
  background-color: rgba(2, 132, 199, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(2, 132, 199, 0.4);
}

.status-approvata {
  background-color: rgba(34, 197, 94, 0.2);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.4);
}

.status-respinta {
  background-color: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.status-liquidata {
  background-color: rgba(99, 102, 241, 0.2);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.drag-handle {
  cursor: grab;
  color: var(--text-muted);
  user-select: none;
  font-size: 16px;
  display: inline-block;
  padding: 2px 8px;
}
.drag-handle:active {
  cursor: grabbing;
}
tr.dragging {
  opacity: 0.4;
  background-color: var(--bg-hover) !important;
}
tr.drag-over {
  border-top: 2px solid var(--gold) !important;
}

/* CARDS & TABLES */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.04);
  margin-bottom: 24px;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.custom-table th {
  padding: 12px 14px;
  background-color: var(--badge-bg);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.custom-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.custom-table tbody tr:hover {
  background-color: var(--table-stripe);
}

/* FIXED TABLE FOR COMPILATION: ZERO HORIZONTAL SCROLLING */
#itemsTable {
  table-layout: fixed;
  width: 100%;
}

#itemsTable th {
  padding: 10px 8px;
  font-size: 13px;
}

#itemsTable td {
  padding: 8px 6px;
  vertical-align: middle;
}

.btn-upload-file {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 5px 8px;
  background-color: var(--bg-input);
  border: 1px dashed var(--primary);
  color: var(--text-main);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  width: 100%;
  box-sizing: border-box;
}

.btn-upload-file:hover {
  border-color: var(--primary-hover);
  background-color: var(--primary-glow);
  color: var(--primary);
}

.file-uploaded-badge {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  background-color: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.3);
  padding: 4px 8px;
  border-radius: 6px;
  width: 100%;
  box-sizing: border-box;
  white-space: nowrap;
}

.file-uploaded-name {
  font-size: 11px;
  color: var(--success);
  font-weight: 600;
  text-decoration: underline;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  text-align: left;
}

.file-remove-btn {
  background: transparent;
  border: none;
  color: var(--danger);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  padding: 0 3px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  border-radius: 3px;
  opacity: 0.8;
  transition: all 0.15s ease;
}

.file-remove-btn:hover {
  opacity: 1;
  background-color: rgba(239, 68, 68, 0.15);
}

/* FORM STYLES */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.form-input, .form-select {
  padding: 10px 14px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus, .form-select:focus {
  border-color: var(--primary);
}

/* CONFLICT ALERT BOX */
.conflict-box {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-left: 5px solid var(--danger);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 20px;
  color: var(--text-main);
}

.conflict-title {
  font-weight: 700;
  color: var(--danger);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.conflict-list {
  padding-left: 20px;
  font-size: 13px;
  line-height: 1.5;
}

/* CONFLICT ROWS & ACCESSIBILITY HIGHLIGHT */
select option,
select optgroup {
  background-color: var(--bg-card);
  color: var(--text-main);
}

.row-conflict {
  background-color: rgba(239, 68, 68, 0.12) !important;
  box-shadow: inset 4px 0 0 0 var(--danger);
  transition: background-color 0.25s ease, box-shadow 0.25s ease;
}

.row-conflict td {
  border-bottom: 1px solid rgba(239, 68, 68, 0.4) !important;
}

.row-conflict input,
.row-conflict select {
  border-color: rgba(239, 68, 68, 0.6) !important;
  background-color: rgba(239, 68, 68, 0.08) !important;
  color: var(--text-main) !important;
}

.row-conflict select option,
.row-conflict select optgroup {
  background-color: var(--bg-card) !important;
  color: var(--text-main) !important;
}

@keyframes conflictRowFlash {
  0% {
    background-color: rgba(239, 68, 68, 0.25) !important;
    box-shadow: inset 4px 0 0 0 var(--danger) !important;
  }
  50% {
    background-color: rgba(239, 68, 68, 0.18) !important;
    box-shadow: inset 4px 0 0 0 var(--danger) !important;
  }
  100% {
    background-color: rgba(239, 68, 68, 0.10) !important;
    box-shadow: inset 4px 0 0 0 var(--danger) !important;
  }
}

.row-conflict-flash {
  animation: conflictRowFlash 1.2s ease-in-out !important;
}

.row-conflict-flash td {
  background-color: rgba(239, 68, 68, 0.25) !important;
  transition: background-color 1.2s ease;
}

/* TOTAL SUMMARY BOX */
.total-summary-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background-color: var(--bg-surface);
  border: 2px solid var(--primary);
  border-radius: 10px;
  margin-top: 20px;
}

.total-summary-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-muted);
}

.total-summary-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--gold);
}

/* MODAL */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
  animation: modalFadeIn 0.15s ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalScaleUp {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}

.modal-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px 28px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
  animation: modalScaleUp 0.15s ease-out;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

.modal-close {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.modal-close:hover {
  background: var(--bg-input);
  color: var(--text-main);
  border-color: var(--border-color);
}

/* DIFF COMPARISON VIEW */
.diff-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 14px;
}

.diff-summary-bar {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 18px;
  flex-wrap: wrap;
}

.diff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.diff-table th {
  padding: 10px 14px;
  background-color: var(--bg-input);
  border-bottom: 2px solid var(--border-color);
  font-weight: 700;
  text-align: left;
}

.diff-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
}

.diff-row-changed {
  background-color: rgba(234, 194, 59, 0.08) !important;
}

.diff-row-added {
  background-color: rgba(34, 197, 94, 0.08) !important;
}

.diff-row-removed {
  background-color: rgba(239, 68, 68, 0.08) !important;
}

.diff-badge-changed {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  background-color: rgba(234, 194, 59, 0.2);
  color: var(--gold);
  border: 1px solid var(--gold);
}

.diff-badge-added {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  background-color: rgba(34, 197, 94, 0.2);
  color: var(--success);
  border: 1px solid var(--success);
}

.diff-badge-removed {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  background-color: rgba(239, 68, 68, 0.2);
  color: var(--danger);
  border: 1px solid var(--danger);
}

.diff-badge-unchanged {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background-color: var(--badge-bg);
  color: var(--text-muted);
}

/* ROSTER DIPENDENTI CENTRATO ED ELEGANTE */
.roster-card {
  max-width: 580px;
  margin: 0 auto 24px auto;
  text-align: center;
  padding: 36px 32px;
}

.roster-header {
  margin-bottom: 24px;
}

.roster-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.roster-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.roster-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.roster-item {
  width: 100%;
  max-width: 440px;
  padding: 12px 24px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.roster-item:hover {
  border-color: var(--primary);
  background-color: var(--bg-input);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.roster-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--primary);
  flex-shrink: 0;
}

.header-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

@media (max-width: 768px) {
  .header-meta-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .header-meta-grid {
    grid-template-columns: 1fr;
  }
}

/* AUTOSAVE TOAST */
.autosave-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.autosave-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.autosave-toast-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success);
  flex-shrink: 0;
}