/* ==========================================================================
   Osservatorio Prezzi Energia: PUN & PSV - Stylesheet (Light & Dark Theme)
   ========================================================================== */

:root, [data-theme="light"] {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Palette Modalità Chiara (Default) */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);
  
  --border-subtle: #e2e8f0;
  --border-accent: rgba(2, 132, 199, 0.25);
  --border-focus: #0284c7;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  /* Brand Energy Accents (ad alto contrasto per tema chiaro) */
  --color-pun: #0284c7;         /* Deep Sky Blue */
  --color-pun-glow: rgba(2, 132, 199, 0.12);
  --color-psv: #ea580c;         /* Gas Amber / Orange */
  --color-psv-glow: rgba(234, 88, 12, 0.12);
  --color-success: #059669;     /* Emerald Green */
  --color-success-glow: rgba(5, 150, 105, 0.12);
  --color-warning: #d97706;
  --color-danger: #dc2626;
  
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 18px rgba(15, 23, 42, 0.06), 0 2px 6px rgba(15, 23, 42, 0.03);
  --shadow-glow-pun: 0 0 20px rgba(2, 132, 199, 0.15);
  --shadow-glow-psv: 0 0 20px rgba(234, 88, 12, 0.15);
  
  --header-bg: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
  --contract-bg: linear-gradient(135deg, #f0f9ff 0%, #f0fdf4 100%);
  --contract-border: #bae6fd;
  --bonus-box-bg: #ecfdf5;
  --bonus-box-border: #a7f3d0;
  --bonus-box-text: #065f46;
  
  --bill-banner-bg: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Palette Modalità Scura (Opzionale tramite toggle) */
[data-theme="dark"] {
  --bg-main: #0a0f1d;
  --bg-surface: #111827;
  --bg-surface-elevated: #1a2234;
  --bg-card: rgba(26, 34, 52, 0.75);
  --bg-glass: rgba(17, 24, 39, 0.65);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(56, 189, 248, 0.25);
  --border-focus: #38bdf8;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --color-pun: #38bdf8;
  --color-pun-glow: rgba(56, 189, 248, 0.2);
  --color-psv: #fb923c;
  --color-psv-glow: rgba(251, 146, 60, 0.2);
  --color-success: #34d399;
  --color-success-glow: rgba(52, 211, 153, 0.2);
  --color-warning: #fbbf24;
  --color-danger: #f87171;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-glow-pun: 0 0 25px rgba(56, 189, 248, 0.18);
  --shadow-glow-psv: 0 0 25px rgba(251, 146, 60, 0.18);
  
  --header-bg: linear-gradient(135deg, rgba(17, 24, 39, 0.85) 0%, rgba(30, 41, 59, 0.8) 100%);
  --contract-bg: linear-gradient(135deg, rgba(14, 116, 144, 0.18) 0%, rgba(30, 58, 138, 0.15) 100%);
  --contract-border: rgba(56, 189, 248, 0.25);
  --bonus-box-bg: rgba(52, 211, 153, 0.08);
  --bonus-box-border: rgba(52, 211, 153, 0.35);
  --bonus-box-text: #a7f3d0;
  
  --bill-banner-bg: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(17, 24, 39, 0.9) 100%);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  min-height: 100vh;
  min-height: -webkit-fill-available;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  background-image: 
    radial-gradient(circle at 10% 10%, rgba(2, 132, 199, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 90% 20%, rgba(234, 88, 12, 0.04) 0%, transparent 35%);
  background-attachment: fixed;
  overflow-x: hidden;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

/* Touch optimization for iOS */
button, .btn, .nav-tab-btn, .toggle-label, .accordion-header, input, select {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* Container Layout with Safe Area Support */
.app-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: calc(16px + env(safe-area-inset-top)) 20px calc(50px + env(safe-area-inset-bottom));
}

/* Header Banner */
.app-header {
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.header-brand h1 {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
}

.header-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 4px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Status Pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(5, 150, 105, 0.08);
  border: 1px solid rgba(5, 150, 105, 0.25);
  color: var(--color-success);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-success);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-success);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* Control Bar */
.controls-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

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

.control-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.form-select, .form-input {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:focus, .form-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--border-accent);
}

/* Contract Highlights Banner */
.contract-banner {
  background: var(--contract-bg);
  border: 1px solid var(--contract-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.contract-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-pun), var(--color-success));
}

.contract-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.contract-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-blue { background: rgba(2, 132, 199, 0.12); color: var(--color-pun); border: 1px solid rgba(2, 132, 199, 0.25); }
.badge-green { background: rgba(5, 150, 105, 0.12); color: var(--color-success); border: 1px solid rgba(5, 150, 105, 0.25); }
.badge-amber { background: rgba(234, 88, 12, 0.12); color: var(--color-psv); border: 1px solid rgba(234, 88, 12, 0.25); }

.contract-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.contract-item {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.contract-item strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 2px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.contract-bonus-box {
  background: var(--bonus-box-bg);
  border: 1px dashed var(--bonus-box-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.88rem;
  color: var(--bonus-box-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* KPI Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.kpi-card.kpi-pun:hover {
  border-color: var(--color-pun);
  box-shadow: var(--shadow-glow-pun);
}

.kpi-card.kpi-psv:hover {
  border-color: var(--color-psv);
  box-shadow: var(--shadow-glow-psv);
}

.kpi-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.kpi-card-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.kpi-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.icon-pun { background: rgba(2, 132, 199, 0.1); color: var(--color-pun); }
.icon-psv { background: rgba(234, 88, 12, 0.1); color: var(--color-psv); }
.icon-green { background: rgba(5, 150, 105, 0.1); color: var(--color-success); }
.icon-amber { background: rgba(217, 119, 6, 0.1); color: var(--color-warning); }

.kpi-value-main {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
}

.kpi-value-unit {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-left: 4px;
}

.kpi-subtitle {
  font-size: 0.86rem;
  color: var(--text-secondary);
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Main Tabs Navigation */
.nav-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid var(--border-subtle);
  margin-bottom: 24px;
  overflow-x: auto;
}

.nav-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 20px;
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

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

.nav-tab-btn.active {
  color: var(--color-pun);
}

.nav-tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-pun);
}

/* Tab Panels */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Section Card */
.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 26px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.section-title-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 960px) {
  .charts-grid-2col {
    grid-template-columns: 1fr 1fr;
  }
}

.chart-wrapper {
  position: relative;
  height: 340px;
  width: 100%;
}

/* Simulator Grid */
.simulator-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 960px) {
  .simulator-layout {
    grid-template-columns: 360px 1fr;
  }
}

.sim-sidebar {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sim-accordion {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-surface);
}

.accordion-header {
  padding: 12px 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 600;
  user-select: none;
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--bg-surface-elevated);
}

.accordion-body {
  padding: 14px 16px;
  border-top: 1px solid var(--border-subtle);
  display: none;
  flex-direction: column;
  gap: 12px;
}

.accordion-body.open {
  display: flex;
}

.sim-results {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.bill-summary-banner {
  background: var(--bill-banner-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.bill-total-highlight {
  border-left: 4px solid var(--color-success);
  padding-left: 16px;
}

.bill-total-highlight.gas {
  border-left-color: var(--color-psv);
}

.bill-total-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.bill-total-val {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.bill-unit-val {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Breakdown List */
.breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.breakdown-table tr {
  border-bottom: 1px solid var(--border-subtle);
}

.breakdown-table tr:last-child {
  border-bottom: none;
}

.breakdown-table td {
  padding: 10px 12px;
}

.breakdown-table td:last-child {
  text-align: right;
  font-weight: 600;
}

.text-discount {
  color: var(--color-success) !important;
}

/* Data Table */
.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.data-table th {
  background: var(--bg-surface-elevated);
  padding: 12px 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.data-table tr:hover td {
  background-color: var(--bg-surface-elevated);
}

/* Checkbox Toggle Switch */
.toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-secondary);
  user-select: none;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 22px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  transition: .3s;
  border-radius: 34px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: #ffffff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: .3s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background-color: var(--color-pun);
  border-color: var(--color-pun);
}

input:checked + .toggle-slider:before {
  transform: translateX(16px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-focus);
}

.btn-primary {
  background-color: var(--color-pun);
  border-color: var(--color-pun);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #0369a1;
  box-shadow: var(--shadow-glow-pun);
}

/* Responsive Footer */
.app-footer {
  text-align: center;
  padding: 30px 20px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: 40px;
}

.app-footer a {
  color: var(--color-pun);
  text-decoration: none;
}

/* ==========================================================================
   Ottimizzazioni Mobile & iOS Safari (iPhone 17 Pro / Dynamic Island)
   ========================================================================== */

/* Impedisce lo zoom involontario di Safari su input < 16px */
@media screen and (max-width: 768px) {
  .form-select, .form-input, input, select {
    font-size: 16px !important;
  }
}

/* Scorrimento orizzontale fluido per le schede con momentum iOS */
.nav-tabs {
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.nav-tabs::-webkit-scrollbar {
  display: none;
}

@media (max-width: 640px) {
  .app-container {
    padding: calc(10px + env(safe-area-inset-top)) 14px calc(45px + env(safe-area-inset-bottom));
  }

  /* Header più compatto e ben disposto su iPhone */
  .app-header {
    padding: 16px;
    border-radius: var(--radius-md);
    gap: 14px;
  }

  .header-brand h1 {
    font-size: 1.35rem;
    gap: 8px;
  }

  .header-brand p {
    font-size: 0.82rem;
    line-height: 1.4;
  }

  .header-actions {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .status-pill {
    width: 100%;
    justify-content: center;
    font-size: 0.78rem;
    padding: 5px 10px;
  }

  .header-actions .btn {
    flex: 1 1 calc(50% - 4px);
    justify-content: center;
    font-size: 0.82rem;
    padding: 9px 8px;
  }

  /* Scheda Contratto su iPhone */
  .contract-banner {
    padding: 16px;
    gap: 12px;
  }

  .contract-title {
    font-size: 0.95rem;
  }

  .contract-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .contract-bonus-box {
    font-size: 0.8rem;
    padding: 8px 12px;
  }

  /* KPI Grid a 2 Colonne stile Widget iOS su iPhone Pro */
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 20px;
  }

  .kpi-card {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
  }

  .kpi-card-title {
    font-size: 0.66rem;
    letter-spacing: 0.03em;
    line-height: 1.25;
  }

  .kpi-icon {
    width: 26px;
    height: 26px;
    font-size: 0.9rem;
  }

  .kpi-value-main {
    font-size: 1.42rem;
    margin-top: 4px;
  }

  .kpi-value-unit {
    font-size: 0.72rem;
    margin-left: 2px;
  }

  .kpi-subtitle {
    font-size: 0.72rem;
    margin-top: 4px;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  /* Nav Tabs compatte */
  .nav-tabs {
    gap: 4px;
    padding-bottom: 2px;
    margin-bottom: 18px;
  }

  .nav-tab-btn {
    padding: 9px 12px;
    font-size: 0.82rem;
  }

  /* Grafici dimensionati per schermo verticale */
  .chart-wrapper {
    height: 260px;
  }

  .section-card {
    padding: 16px;
    border-radius: var(--radius-md);
  }

  /* Simulatori su iPhone */
  .bill-summary-banner {
    padding: 16px;
    gap: 14px;
  }

  .bill-total-val {
    font-size: 1.85rem;
  }

  .bill-unit-val {
    font-size: 0.82rem;
  }
}

/* ==========================================================================
   Stili Nuove Componenti Fasce Orarie (F1, F2, F3, F23)
   ========================================================================== */

/* Mini-pills per Fasce nei KPI */
.fasce-mini-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-subtle);
}

.mini-pill {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.mini-pill strong {
  font-weight: 700;
}

.mini-pill.f1 {
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.mini-pill.f2 {
  background: rgba(139, 92, 246, 0.12);
  color: #7c3aed;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.mini-pill.f3 {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.mini-pill.f23 {
  background: rgba(6, 182, 212, 0.12);
  color: #0891b2;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

[data-theme="dark"] .mini-pill.f1 {
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.4);
}

[data-theme="dark"] .mini-pill.f2 {
  color: #a78bfa;
  border-color: rgba(139, 92, 246, 0.4);
}

[data-theme="dark"] .mini-pill.f3 {
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.4);
}

[data-theme="dark"] .mini-pill.f23 {
  color: #22d3ee;
  border-color: rgba(6, 182, 212, 0.4);
}

/* Filtri visualizzazione nel grafico PUN */
.filter-pill-group {
  display: inline-flex;
  gap: 4px;
  background: var(--bg-surface-elevated);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.filter-pill {
  padding: 5px 10px;
  font-size: 0.76rem;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover {
  color: var(--text-primary);
}

.filter-pill.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 1px 4px rgba(2, 132, 199, 0.3);
}

/* Nota metodologica IT-North */
.methodology-note {
  margin-top: 14px;
  padding: 10px 14px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* Box Ripartizione Fasce nel Simulatore */
.fasce-config-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fasce-config-title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.preset-btn-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.btn-preset {
  padding: 5px 4px;
  font-size: 0.70rem;
  font-weight: 600;
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

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

.btn-preset.active {
  background: rgba(2, 132, 199, 0.15);
  border-color: var(--primary);
  color: var(--primary);
}

.fasce-inputs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

#grid-fasce-bio {
  grid-template-columns: 1fr 1fr;
}

.fascia-input-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fascia-input-label {
  font-size: 0.72rem;
  font-weight: 700;
}

.fascia-input-label.color-f1 { color: #f59e0b; }
.fascia-input-label.color-f2 { color: #8b5cf6; }
.fascia-input-label.color-f3 { color: #10b981; }
.fascia-input-label.color-f23 { color: #06b6d4; }

.input-sm {
  padding: 6px 8px;
  font-size: 0.85rem;
}

.fascia-kwh-calc {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-align: right;
}

.fasce-summary-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.78rem;
}

.fasce-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
}

.fasce-summary-row strong {
  color: var(--text-primary);
}

.fasce-summary-row.delta strong {
  font-weight: 700;
}

.fasce-summary-row.delta.saving strong {
  color: #10b981;
}

.fasce-summary-row.delta.expensive strong {
  color: #ef4444;
}

.badge-f-null {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.82rem;
}