/* ===== RESET & VARIABLES ===== */
:root {
  --blue: #2563eb;
  --blue-light: #eff6ff;
  --blue-dark: #1d4ed8;
  --sidebar-bg: #0f172a;
  --sidebar-hover: #1e293b;
  --sidebar-active: #2563eb;
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #ffffff;
  --sidebar-width: 240px;
  --topbar-h: 60px;
  --bg: #f1f5f9;
  --white: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --card-shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --card-shadow-hover: 0 4px 12px rgba(0,0,0,.1);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 14px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); background: var(--bg); color: var(--text); }
a { color: var(--blue); text-decoration: none; }
button { font-family: var(--font); cursor: pointer; }
input, select, textarea { font-family: var(--font); }

/* ===== LAYOUT ===== */
.crm-layout {
  display: flex;
  min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: transform 0.3s ease;
}
.sidebar.collapsed { transform: translateX(-100%); }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.brand-name {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.3px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--sidebar-text);
  transition: all 0.15s ease;
  border-radius: 0;
  font-size: 14px;
  font-weight: 500;
  margin: 2px 8px;
  border-radius: 8px;
}
.nav-item:hover { background: var(--sidebar-hover); color: #e2e8f0; }
.nav-item.active { background: var(--sidebar-active); color: var(--sidebar-text-active); }
.nav-item.active .nav-icon { opacity: 1; }
.nav-icon { opacity: 0.6; display: flex; align-items: center; }
.nav-item:hover .nav-icon, .nav-item.active .nav-icon { opacity: 1; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  gap: 10px;
}
.user-info { flex: 1; display: flex; align-items: center; gap: 10px; min-width: 0; }
.user-avatar {
  width: 34px; height: 34px;
  background: var(--blue);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.user-details { min-width: 0; }
.user-name { font-size: 13px; font-weight: 600; color: #e2e8f0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--sidebar-text); }
.btn-logout {
  color: var(--sidebar-text);
  padding: 6px;
  border-radius: 6px;
  display: flex;
  transition: all 0.15s;
  flex-shrink: 0;
}
.btn-logout:hover { color: var(--danger); background: rgba(239,68,68,.1); }

/* ===== MAIN CONTENT ===== */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: margin-left 0.3s ease;
}
.main-content.expanded { margin-left: 0; }

.top-bar {
  height: var(--topbar-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.sidebar-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 6px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  transition: all 0.15s;
}
.sidebar-toggle:hover { background: var(--bg); color: var(--text); }

.page-title {
  font-size: 18px;
  font-weight: 600;
  flex: 1;
}
.top-bar-actions { display: flex; align-items: center; gap: 8px; }

.content-area {
  flex: 1;
  padding: 24px;
}

/* ===== CARDS ===== */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}
.card-title { font-size: 15px; font-weight: 600; }
.card-body { padding: 20px; }

/* ===== STAT CARDS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border);
  transition: box-shadow 0.2s ease;
}
.stat-card:hover { box-shadow: var(--card-shadow-hover); }
.stat-label { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--text); line-height: 1; }
.stat-value.blue { color: var(--blue); }
.stat-value.green { color: var(--success); }
.stat-value.orange { color: var(--warning); }
.stat-value.red { color: var(--danger); }
.stat-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  border: none;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-ghost { background: none; color: var(--text-muted); border: none; }
.btn-ghost:hover { background: var(--bg); color: var(--text); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-icon { padding: 7px; }
.btn-icon svg { display: block; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ===== TABLE ===== */
.table-wrapper { overflow-x: auto; }
table.crm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.crm-table thead { border-bottom: 1px solid var(--border); }
.crm-table th {
  padding: 10px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: #f8fafc;
  white-space: nowrap;
}
.crm-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.crm-table tbody tr:last-child td { border-bottom: none; }
.crm-table tbody tr:hover td { background: var(--blue-light); }
.crm-table .actions { display: flex; gap: 4px; justify-content: flex-end; }

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-bozza { background: #f1f5f9; color: #64748b; }
.badge-in_attesa { background: #fef3c7; color: #92400e; }
.badge-accettato { background: #d1fae5; color: #065f46; }
.badge-perso { background: #fee2e2; color: #991b1b; }
.badge-fatturabile { background: #dbeafe; color: #1d4ed8; }
.badge-a_nero { background: #f3f4f6; color: #374151; }
.badge-bonifico { background: #e0e7ff; color: #3730a3; }
.badge-carta { background: #fce7f3; color: #9d174d; }
.badge-paypal { background: #dbeafe; color: #1e40af; }
.badge-cash { background: #d1fae5; color: #065f46; }
.badge-altro { background: #f1f5f9; color: #64748b; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}
.form-label .required { color: var(--danger); margin-left: 2px; }
.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.form-control:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.form-control.error { border-color: var(--danger); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-row { display: grid; gap: 12px; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-help { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Toggle switch */
.form-check { display: flex; align-items: center; gap: 10px; }
.toggle { position: relative; width: 40px; height: 22px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #cbd5e1; border-radius: 22px;
  transition: 0.2s;
}
.toggle-slider::before {
  position: absolute;
  content: '';
  height: 16px; width: 16px;
  left: 3px; bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: 0.2s;
}
.toggle input:checked + .toggle-slider { background: var(--blue); }
.toggle input:checked + .toggle-slider::before { transform: translateX(18px); }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 20px;
  backdrop-filter: blur(2px);
}
.modal-overlay.open { display: flex; animation: fadeIn 0.15s ease; }
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 50px rgba(0,0,0,.25);
  animation: slideUp 0.2s ease;
}
.modal.modal-lg { max-width: 800px; }
.modal.modal-xl { max-width: 1100px; }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.modal-title { font-size: 17px; font-weight: 600; }
.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all 0.15s;
  line-height: 1;
}
.modal-close:hover { background: var(--bg); color: var(--text); }
.modal-body { padding: 24px; overflow-y: auto; flex: 1; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--text);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
  animation: slideInRight 0.3s ease;
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); color: var(--text); }

/* ===== LOGIN PAGE ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  padding: 20px;
}
.login-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 25px 50px rgba(0,0,0,.3);
}
.login-logo {
  text-align: center;
  margin-bottom: 32px;
}
.login-logo svg { display: inline-block; }
.login-logo h1 { font-size: 22px; font-weight: 700; margin-top: 12px; color: var(--text); }
.login-logo p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.login-error {
  background: var(--danger-light);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}
.login-error.show { display: block; }

/* ===== PREVENTIVO EDITOR ===== */
.preventivo-section {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 16px;
}
.preventivo-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: #f8fafc;
  border-radius: var(--radius) var(--radius) 0 0;
}
.gruppo-title-input {
  background: none;
  border: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  outline: none;
  flex: 1;
}
.gruppo-title-input::placeholder { color: var(--text-light); }
.righe-table-wrap { overflow-x: auto; }
.righe-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.righe-table th {
  padding: 8px 12px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.righe-table td { padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.righe-table tbody tr:last-child td { border-bottom: none; }
.righe-table input, .righe-table select {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 13px;
  background: none;
  transition: all 0.15s;
  outline: none;
}
.righe-table input:focus, .righe-table select:focus {
  background: var(--white);
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(37,99,235,.1);
}
.righe-table .col-qty { width: 60px; }
.righe-table .col-price { width: 100px; }
.righe-table .col-discount { width: 80px; }
.righe-table .col-dtype { width: 90px; }
.righe-table .col-total { width: 90px; text-align: right; font-weight: 600; }
.righe-table .col-actions { width: 40px; }
.riga-totale { font-weight: 600; color: var(--text); }
.preventivo-totale {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  padding: 16px 18px;
  border-top: 2px solid var(--border);
  font-size: 16px;
  font-weight: 700;
}
.preventivo-totale .label { color: var(--text-muted); }
.preventivo-totale .amount { color: var(--blue); font-size: 22px; }

/* ===== PAGAMENTI ===== */
.pag-summary {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}
.pag-stat {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  text-align: center;
}
.pag-stat-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: 6px; }
.pag-stat-value { font-size: 20px; font-weight: 700; }
.pag-stat.totale .pag-stat-value { color: var(--text); }
.pag-stat.incassato .pag-stat-value { color: var(--success); }
.pag-stat.residuo .pag-stat-value { color: var(--blue); }

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state svg { opacity: 0.3; margin-bottom: 16px; }
.empty-state h3 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.empty-state p { font-size: 14px; }

/* ===== LOADING ===== */
.loading-state { display: flex; align-items: center; justify-content: center; min-height: 200px; }
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loading-overlay {
  position: absolute; inset: 0;
  background: rgba(255,255,255,.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  border-radius: inherit;
}

/* ===== FILTERS BAR ===== */
.filters-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.filter-select {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--white);
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
}
.filter-select:focus { border-color: var(--blue); }
.search-input {
  padding: 7px 12px 7px 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--white);
  outline: none;
  transition: border-color 0.15s;
  flex: 1;
  min-width: 200px;
  max-width: 300px;
}
.search-input:focus { border-color: var(--blue); }
.search-wrap { position: relative; }
.search-wrap svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; }

/* ===== DETAIL PAGE ===== */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 20px;
}
@media (max-width: 900px) { .detail-grid { grid-template-columns: 1fr; } }

/* ===== PROFILO ===== */
.profilo-section { margin-bottom: 28px; }
.profilo-section-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes slideInRight { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root { --sidebar-width: 260px; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: 4px 0 20px rgba(0,0,0,.2); }
  .main-content { margin-left: 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-row.cols-2, .form-row.cols-3 { grid-template-columns: 1fr; }
  .pag-summary { grid-template-columns: 1fr; }
  .content-area { padding: 16px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}

/* ===== MISC ===== */
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.fw-bold { font-weight: 700; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
hr.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  background: var(--blue-light);
  color: var(--blue);
}