/* ===========================
   GRIDAPP — Dark Industrial
   =========================== */

:root {
  --bg0:       #0a0b0d;
  --bg1:       #111318;
  --bg2:       #181b22;
  --bg3:       #20242e;
  --border:    #2a2f3d;
  --border2:   #363d50;
  --accent:    #4f9eff;
  --accent2:   #2563eb;
  --success:   #22c55e;
  --danger:    #ef4444;
  --warning:   #f59e0b;
  --text1:     #e8eaf0;
  --text2:     #8b92a8;
  --text3:     #555e78;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'DM Sans', sans-serif;
  --sidebar-w: 240px;
  --topbar-h:  52px;
  --status-h:  28px;
  --radius:    6px;
}

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

html, body {
  height: 100%;
  background: var(--bg0);
  color: var(--text1);
  font-family: var(--font-body);
  font-size: 14px;
  overflow: hidden;
}

/* ---- LAYOUT ---- */

.sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform .2s ease;
}

.sidebar.hidden { transform: translateX(-100%); }

.main {
  margin-left: var(--sidebar-w);
  width: calc(100% - var(--sidebar-w));
  min-width: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left .2s ease, width .2s ease;
}

.main.expanded { margin-left: 0; width: 100%; }

/* ---- SIDEBAR ---- */

.sidebar-header {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--text1);
}

.logo-icon {
  font-size: 22px;
  color: var(--accent);
}

.logo em { color: var(--accent); font-style: normal; }

.sidebar-section {
  padding: 14px 12px;
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--text3);
  margin-bottom: 8px;
  padding: 0 4px;
}

.table-list { display: flex; flex-direction: column; gap: 2px; }

.table-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  color: var(--text2);
  transition: all .15s;
  border: 1px solid transparent;
}

.table-item:hover {
  background: var(--bg3);
  color: var(--text1);
}

.table-item.active {
  background: rgba(79,158,255,.1);
  border-color: rgba(79,158,255,.25);
  color: var(--accent);
}

.table-item-icon { font-size: 11px; color: var(--text3); }
.table-item.active .table-item-icon { color: var(--accent); }
.table-item-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.table-item-menu {
  opacity: 0;
  padding: 0 4px;
  border-radius: 3px;
  font-size: 14px;
  color: var(--text2);
  transition: opacity .15s;
  flex-shrink: 0;
}
.table-item:hover .table-item-menu { opacity: 1; }
.table-item-menu:hover { background: var(--bg1); color: var(--text1); }

.upload-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 9px 14px;
  background: var(--bg3);
  border: 1px dashed var(--border2);
  border-radius: var(--radius);
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: all .15s;
}

.upload-btn:hover {
  background: rgba(79,158,255,.08);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-icon { font-size: 14px; }

/* ---- TOPBAR ---- */

.topbar {
  height: var(--topbar-h);
  background: var(--bg1);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
}

.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-right { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text2);
  width: 32px; height: 32px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all .15s;
}

.icon-btn:hover { background: var(--bg3); color: var(--text1); }

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text2);
  letter-spacing: .04em;
}

.breadcrumb span { color: var(--text1); font-weight: 700; }

/* ---- BUTTONS ---- */

.btn {
  padding: 6px 14px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent2);
  border-color: var(--accent);
  color: #fff;
}

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

.btn-ghost {
  background: var(--bg3);
  border-color: var(--border2);
  color: var(--text2);
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-danger {
  background: transparent;
  border-color: rgba(239,68,68,.4);
  color: var(--danger);
}

.btn-danger:hover { background: rgba(239,68,68,.1); }

/* ---- EMPTY STATE ---- */

.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text3);
}

.empty-icon {
  font-size: 64px;
  color: var(--border2);
  line-height: 1;
  margin-bottom: 8px;
}

.empty-title {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--text2);
  font-weight: 700;
}

.empty-sub {
  font-size: 13px;
  color: var(--text3);
  text-align: center;
  line-height: 1.6;
}

/* ---- GRID ---- */

.grid-area {
  flex: 1;
  overflow: hidden;
  padding: 12px;
  display: flex;
  flex-direction: column;
  width: 100%;
  box-sizing: border-box;
}

/* Modalità espansa: rimuove il padding per sfruttare tutto lo spazio */
.grid-area.grid-maximized {
  padding: 0;
}

.grid-area.grid-maximized .grid-container {
  border-radius: 0;
  border-top: 1px solid var(--border);
  border-left: none;
  border-right: none;
  border-bottom: none;
}

.grid-container {
  flex: 1;
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-sizing: border-box;
}

/* AG Grid overrides */
.ag-theme-alpine-dark {
  --ag-background-color: var(--bg1);
  --ag-header-background-color: var(--bg2);
  --ag-odd-row-background-color: var(--bg0);
  --ag-row-hover-color: rgba(79,158,255,.06);
  --ag-selected-row-background-color: rgba(79,158,255,.12);
  --ag-border-color: var(--border);
  --ag-header-foreground-color: var(--text2);
  --ag-foreground-color: var(--text1);
  --ag-font-family: var(--font-body);
  --ag-font-size: 13px;
  --ag-cell-horizontal-padding: 12px;
}

.ag-theme-alpine-dark .ag-header-cell-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--text2);
}

.ag-theme-alpine-dark .ag-header-cell.formula-col .ag-header-cell-label {
  color: var(--warning);
}

.ag-theme-alpine-dark .ag-cell.formula-cell {
  color: var(--warning);
  font-family: var(--font-mono);
  font-size: 12px;
}

.ag-theme-alpine-dark .ag-row.total-row {
  background: var(--bg3) !important;
  font-weight: 600;
  border-top: 2px solid var(--border2);
}

.ag-theme-alpine-dark .ag-row.total-row .ag-cell {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ---- STATUS BAR ---- */

.statusbar {
  height: var(--status-h);
  background: var(--bg2);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text3);
  flex-shrink: 0;
}

#statusMsg { color: var(--text2); }

/* ---- MODAL ---- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 10px;
  width: 560px;
  max-width: 95vw;
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
  animation: modalIn .15s ease;
}

@keyframes modalIn {
  from { transform: scale(.95) translateY(8px); opacity: 0; }
  to   { transform: scale(1)   translateY(0);   opacity: 1; }
}

.modal-title {
  padding: 20px 24px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--text1);
}

.modal-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-body label {
  font-size: 12px;
  color: var(--text2);
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.modal-body input[type="text"],
.modal-body select {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text1);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 8px 12px;
  outline: none;
  transition: border-color .15s;
}

.modal-body input[type="text"]:focus,
.modal-body select:focus {
  border-color: var(--accent);
}

.hint {
  color: var(--text3);
  font-size: 11px;
  font-weight: 400;
}

code {
  font-family: var(--font-mono);
  background: var(--bg3);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 11px;
  color: var(--warning);
}

.formula-cols {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.col-chip {
  padding: 3px 9px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text2);
  cursor: pointer;
  transition: all .12s;
}

.col-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.modal-footer {
  padding: 0 24px 20px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ---- TOTALS UI ---- */

.total-row-cfg {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.total-row-cfg:last-child { border-bottom: none; }

.total-col-name {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text1);
}

.total-row-cfg select {
  width: 120px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text1);
  font-size: 13px;
  padding: 5px 8px;
  outline: none;
}

/* ---- TOAST ---- */

.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 10px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text1);
  pointer-events: none;
  opacity: 0;
  transition: all .25s;
  z-index: 9999;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  white-space: nowrap;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.success { border-color: var(--success); color: var(--success); }
.toast.error   { border-color: var(--danger);  color: var(--danger);  }

/* ---- UPLOAD DRAG INDICATOR ---- */

body.drag-over::after {
  content: 'Rilascia il file Excel qui';
  position: fixed;
  inset: 0;
  background: rgba(79,158,255,.08);
  border: 3px dashed var(--accent);
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--accent);
  pointer-events: none;
}

.btn-success {
  background: rgba(34,197,94,.15);
  border-color: rgba(34,197,94,.4);
  color: var(--success);
}

.btn-success:hover { background: rgba(34,197,94,.25); }

.export-wrap {
  position: relative;
}

.export-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  min-width: 160px;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  z-index: 500;
  overflow: hidden;
}

.export-menu.open { display: block; }

.export-item {
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text2);
  cursor: pointer;
  transition: all .12s;
  letter-spacing: .04em;
}

.export-item:hover {
  background: var(--bg3);
  color: var(--text1);
}

.col-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}

.col-input {
  flex: 1 1 0;
  min-width: 80px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text1);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 8px 12px;
  outline: none;
  transition: border-color .15s;
}

.col-input:focus { border-color: var(--accent); }

/* Override modal-body input width:100% inside flex rows */
.col-row .col-input {
  width: auto;
}

.col-row .col-type-select {
  width: auto;
  min-width: 150px;
}

.col-type-select {
  flex: 0 0 auto;
  width: 150px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text2);
  font-size: 12px;
  padding: 6px 8px;
  outline: none;
  cursor: pointer;
}

.col-remove {
  flex: 0 0 auto;
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 16px;
  padding: 0 4px;
  transition: color .15s;
}

.col-remove:hover { color: var(--danger); }

.ag-theme-alpine-dark .ag-cell.number-cell {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 12px;
}

.ag-theme-alpine-dark .ag-cell.date-cell {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #93c5fd;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg1); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* Column rename button in header */
.col-rename-btn {
  opacity: 0;
  cursor: pointer;
  font-size: 11px;
  padding: 2px 4px;
  border-radius: 3px;
  color: var(--text3);
  transition: opacity .15s;
  flex-shrink: 0;
}
.ag-header-cell:hover .col-rename-btn {
  opacity: 1;
}
.col-rename-btn:hover {
  color: var(--accent);
  background: var(--bg1);
}

.col-delete-btn {
  opacity: 0;
  cursor: pointer;
  font-size: 12px;
  padding: 2px 4px;
  border-radius: 3px;
  color: var(--text3);
  transition: opacity .15s;
  flex-shrink: 0;
}
.ag-header-cell:hover .col-delete-btn {
  opacity: 1;
}
.col-delete-btn:hover {
  color: var(--danger);
  background: var(--bg1);
}

/* Formula modal enhancements */
.formula-preview {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 10px;
  background: var(--bg1);
  border-radius: var(--radius);
  min-height: 24px;
  margin-top: 4px;
  color: var(--accent);
}

.formula-fn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 8px;
  max-height: 200px;
  overflow-y: auto;
}

.formula-fn-item {
  display: flex;
  flex-direction: column;
  padding: 5px 8px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
}
.formula-fn-item:hover {
  background: var(--bg3);
  border-color: var(--border2);
}
.formula-fn-item code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
}
.formula-fn-item span {
  font-size: 10px;
  color: var(--text3);
  margin-top: 1px;
}

/* ═══════════════════════════════════════════
   AUTH & LOGIN
═══════════════════════════════════════════ */

.login-screen {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg1);
  z-index: 10000;
}

.login-card {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 40px 36px;
  width: 340px;
  box-shadow: 0 8px 40px rgba(0,0,0,.5);
}

.login-logo {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 28px;
  font-family: var(--font-mono);
}
.login-logo .logo-icon { font-size: 22px; color: var(--accent); }
.login-logo .logo-text { font-size: 18px; font-weight: 700; letter-spacing: .06em; color: var(--text1); }
.login-logo .logo-text em { font-style: normal; color: var(--accent); }

.login-title {
  font-size: 15px; font-weight: 600; color: var(--text2);
  margin-bottom: 20px; font-family: var(--font-mono); letter-spacing: .04em;
}

.login-body label { display: block; font-size: 11px; color: var(--text3); margin: 10px 0 4px; letter-spacing: .05em; text-transform: uppercase; }
.login-body input { width: 100%; box-sizing: border-box; }

.login-error {
  margin-top: 10px;
  padding: 8px 12px;
  background: rgba(239,68,68,.15);
  border: 1px solid rgba(239,68,68,.4);
  border-radius: 6px;
  color: #f87171;
  font-size: 12px;
}

/* ═══════════════════════════════════════════
   SIDEBAR BOTTOM
═══════════════════════════════════════════ */

#appShell { display: block; height: 100%; }

.sidebar-bottom {
  margin-top: auto;
  padding: 8px 0 4px;
  border-top: 1px solid var(--border1);
}

.sidebar-nav-item {
  padding: 8px 16px;
  font-size: 12px;
  color: var(--text2);
  cursor: pointer;
  border-radius: var(--radius);
  margin: 1px 8px;
  transition: background .15s;
  font-family: var(--font-mono);
  letter-spacing: .04em;
}
.sidebar-nav-item:hover { background: var(--bg3); color: var(--text1); }
.sidebar-nav-separator { height: 1px; background: var(--border1); margin: 6px 12px; }

.sidebar-user-info {
  padding: 6px 16px;
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text2);
  font-family: var(--font-mono);
}

.logout-item { color: var(--text3) !important; }
.logout-item:hover { color: #f87171 !important; }

/* ═══════════════════════════════════════════
   ROLE BADGES
═══════════════════════════════════════════ */

.role-badge {
  font-size: 10px; font-weight: 600;
  padding: 2px 7px; border-radius: 20px;
  text-transform: uppercase; letter-spacing: .05em;
  font-family: var(--font-mono);
}
.role-admin   { background: rgba(168,85,247,.2);  color: #c084fc; border: 1px solid rgba(168,85,247,.3); }
.role-editor  { background: rgba(59,130,246,.2);  color: #60a5fa; border: 1px solid rgba(59,130,246,.3); }
.role-viewer  { background: rgba(107,114,128,.2); color: #9ca3af; border: 1px solid rgba(107,114,128,.3); }

/* ═══════════════════════════════════════════
   INNER PAGES (changelog + users)
═══════════════════════════════════════════ */

.inner-page {
  flex: 1; overflow: auto;
  padding: 24px 28px;
  display: flex; flex-direction: column;
  gap: 16px;
}

.inner-page-header {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap;
}

.inner-page-header h2 {
  font-size: 16px; font-weight: 600;
  color: var(--text1); font-family: var(--font-mono);
  letter-spacing: .04em; margin: 0;
}

.changelog-filters {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}

.changelog-filters select {
  background: var(--bg3); border: 1px solid var(--border2);
  color: var(--text1); border-radius: var(--radius);
  font-size: 12px; padding: 5px 8px;
  font-family: var(--font-body);
}

/* ── Changelog table ── */

.changelog-table-wrap, .users-table-wrap {
  flex: 1; overflow: auto;
  border: 1px solid var(--border2); border-radius: 8px;
}

.changelog-table {
  width: 100%; border-collapse: collapse;
  font-size: 12px; color: var(--text1);
}
.changelog-table th {
  background: var(--bg3); color: var(--text3);
  font-family: var(--font-mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: .06em;
  padding: 9px 12px; text-align: left;
  border-bottom: 1px solid var(--border2);
  white-space: nowrap; position: sticky; top: 0;
}
.changelog-table td {
  padding: 7px 12px;
  border-bottom: 1px solid var(--border1);
  vertical-align: middle;
}
.changelog-table tr:last-child td { border-bottom: none; }
.changelog-table tr:hover td { background: var(--bg3); }

.cl-ts { font-family: var(--font-mono); font-size: 11px; color: var(--text3); white-space: nowrap; }
.cl-user { font-family: var(--font-mono); font-size: 11px; color: var(--accent); }
.cl-val { font-family: var(--font-mono); font-size: 11px; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cl-old { color: #f87171; }
.cl-new { color: #4ade80; }
.cl-detail { font-size: 11px; color: var(--text3); max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.changelog-table code { font-family: var(--font-mono); font-size: 11px; background: var(--bg3); padding: 1px 5px; border-radius: 3px; }

.changelog-pagination {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 0;
}

/* ── Users table ── */

.role-select {
  background: var(--bg3); border: 1px solid var(--border2);
  color: var(--text1); border-radius: var(--radius);
  font-size: 12px; padding: 3px 8px;
  font-family: var(--font-mono);
}

/* Fix drag handle cursor alignment */
.ag-row-drag {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  cursor: grab !important;
}
.ag-row-drag:active {
  cursor: grabbing !important;
}
.ag-row-drag .ag-icon-row-drag {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  line-height: 1 !important;
  font-size: 14px !important;
}