/* ==========================================================================
   BDC SUITE — DESIGN SYSTEM LINKTREE (STYLE IDEAS.EMANUELEBDC.COM)
   Conforme alla Costituzione Globale Antigravity & Regole emaf205
   - Fondo caldo carta / light stone: #f7f7f5
   - Bordo netto tattile: 2.5px solid #000000
   - Bando assoluto al testo microscopico: TUTTO >= 16px
   - Contrasto elevatissimo WCAG AAA per visione monoculare
   - Nativamente silenzioso: ZERO audio di default
   - Ergonomia touch generosa mobile-first
   ========================================================================== */

:root {
  --bg-page: #f7f7f5;
  --ink: #000000;
  --card-bg: #ffffff;
  --border-color: #000000;
  
  --bdc-bg: #f7f7f5;
  --bdc-surface: #ffffff;
  --bdc-card-bg: #ffffff;
  --bdc-text: #000000;
  --bdc-text-muted: #27272a;     /* Antracite scuro ad alto contrasto (7.5:1 AAA) */
  --bdc-border: #000000;          /* Bordo nero netto */
  --bdc-border-strong: #000000;
  
  --bdc-primary: #000000;        /* Nero puro per pulsanti e intestazioni */
  --bdc-primary-hover: #1f1f23;
  --bdc-accent: #2563eb;
  --bdc-accent-hover: #1d4ed8;

  /* Regola non-negoziabile emaf205: Nessun testo sotto i 16px */
  --font-base: 18px;
  --font-lead: 21px;
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg-page) !important;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: var(--font-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* ==========================================================================
   LINKTREE CONTAINER & PROFILE HEADER (IDENTICO AD IDEAS.EMANUELEBDC.COM)
   ========================================================================== */
.linktree-container {
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 16px 56px;
}

/* Profilo Autore */
.profile-avatar {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border: 3px solid var(--border-color);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.14), 0 2px 4px -2px rgba(0, 0, 0, 0.08);
  border-radius: 50%;
}

.profile-title {
  font-size: 2rem;
  font-weight: 850;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.profile-subtitle {
  font-size: 1.15rem;
  font-weight: 600;
  color: #1a1a1a;
}

.counter-badge {
  font-size: 1rem !important; /* 16px */
  font-weight: 750;
  letter-spacing: 0.3px;
  padding: 8px 16px !important;
}

/* ==========================================================================
   SEARCH BAR TATTILE LINKTREE
   ========================================================================== */
.search-wrap {
  border: 2.5px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.12), 0 2px 4px -2px rgba(0, 0, 0, 0.08);
  background: #ffffff;
  overflow: hidden;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.search-wrap:focus-within {
  box-shadow: 0 8px 12px -2px rgba(0, 0, 0, 0.16), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

.search-input {
  font-size: 1.1rem;
  font-weight: 550;
  color: var(--ink);
}

.search-input::placeholder {
  color: #555555;
}

/* ==========================================================================
   CATEGORY FILTER PILLS TATTIILI
   ========================================================================== */
.filter-pills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 24px;
}

.category-pill {
  font-size: 16px !important;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 999px;
  border: 2px solid var(--border-color);
  background-color: #ffffff;
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, background-color 0.12s ease, color 0.12s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.category-pill:hover {
  background-color: #f0f0f0;
  transform: translateY(-1px);
  color: #000000;
}

.category-pill.active {
  background-color: #000000 !important;
  color: #ffffff !important;
  border-color: #000000 !important;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   APP BUTTONS / CARDS TATTIILI IN STILE LINKTREE (MAX-IMPACT)
   ========================================================================== */
.app-btn-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 18px 22px;
  background-color: var(--card-bg);
  color: var(--ink);
  border: 2.5px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.12), 0 2px 4px -2px rgba(0, 0, 0, 0.08);
  text-decoration: none !important;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
}

.app-btn-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 12px -2px rgba(0, 0, 0, 0.16), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
  background-color: #fafafa;
}

.app-btn-card .card-main-link {
  text-decoration: none !important;
  color: var(--ink) !important;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
}

.app-btn-card .app-icon-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #000000;
  border-radius: 12px;
  background: #f7f7f5;
  color: #000000;
  font-size: 1.55rem;
  flex-shrink: 0;
}

.app-btn-card .app-title {
  font-size: 1.25rem; /* 20px */
  font-weight: 850;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.25;
}

.app-btn-card .app-desc {
  font-size: 16px;
  color: #27272a;
  margin-top: 10px;
  margin-bottom: 14px;
  line-height: 1.45;
  font-weight: 500;
}

.app-btn-card .card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  border-top: 1.5px solid #e4e4e7;
  padding-top: 12px;
}

/* ==========================================================================
   TIPOGRAFIA & ACCESSICIBILITÀ emaf205 (TUTTO >= 16px)
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--ink);
  font-weight: 850;
  letter-spacing: -0.02em;
}

p, li, label, input, select, textarea {
  font-size: var(--font-base);
  color: var(--ink);
}

.small, small {
  font-size: 16px !important;
  color: var(--bdc-text-muted) !important;
  line-height: 1.5;
}

.text-muted, .text-secondary {
  color: var(--bdc-text-muted) !important;
}

.badge {
  font-size: 16px !important;
  font-weight: 700;
  padding: 8px 14px;
}

/* ==========================================================================
   BOTTONI TATTIILI
   ========================================================================== */
.btn {
  font-size: 18px;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 14px;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
  cursor: pointer;
  text-decoration: none;
}

.btn-sm {
  font-size: 16px !important;
  min-height: 42px !important;
  padding: 8px 16px !important;
  border-radius: 10px !important;
}

.btn:active {
  transform: translateY(1px);
}

.btn-dark {
  background-color: #000000;
  border: 2px solid #000000;
  color: #ffffff;
}

.btn-dark:hover, .btn-dark:focus {
  background-color: #1f1f23;
  border-color: #1f1f23;
  color: #ffffff;
}

.btn-outline-dark {
  background-color: #ffffff;
  border: 2px solid #000000;
  color: #000000;
}

.btn-outline-dark:hover {
  background-color: #000000;
  color: #ffffff;
  border-color: #000000;
}

.btn-demo {
  background-color: #fff9db;
  border: 2px solid #000000;
  color: #000000;
  font-weight: 750;
  border-radius: 10px;
}

.btn-demo:hover {
  background-color: #ffe066;
  color: #000000;
}

/* ==========================================================================
   FOOTER IN STILE IDEAS.EMANUELEBDC.COM
   ========================================================================== */
.footer-link {
  color: var(--ink);
  font-weight: 750;
  font-size: 1rem; /* 16px */
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.footer-link:hover {
  opacity: 0.75;
  text-decoration: underline;
}

/* ==========================================================================
   STILI DI SUPPORTO PER GLI STRUMENTI INTERNI (ARMONIZZAZIONE LINKTREE)
   ========================================================================== */
.navbar-bdc {
  background-color: #ffffff !important;
  border-bottom: 2.5px solid var(--border-color) !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
  padding: 12px 0;
}

.navbar-brand-title {
  font-size: 1.25rem;
  font-weight: 850;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.card-bdc, .step-card-box, .finding-card, .metric-card, .decalogo-poster, .workbench-card {
  background: #ffffff !important;
  border: 2.5px solid var(--border-color) !important;
  border-radius: 16px !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.12), 0 2px 4px -2px rgba(0, 0, 0, 0.08) !important;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.card-bdc:hover, .finding-card:hover, .metric-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 12px -2px rgba(0, 0, 0, 0.16), 0 4px 6px -2px rgba(0, 0, 0, 0.1) !important;
}

/* Pulsanti opzione nei quiz e wizard */
.option-card-btn {
  width: 100%;
  background: #ffffff !important;
  border: 2.5px solid var(--border-color) !important;
  border-radius: 14px !important;
  padding: 16px 20px;
  text-align: left;
  font-size: 17px !important;
  line-height: 1.4;
  font-weight: 600;
  color: #000000 !important;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 64px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
}

.option-card-btn:hover {
  background-color: #fafafa !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 10px rgba(0, 0, 0, 0.12);
}

.option-card-btn:active, .option-card-btn.selected {
  background-color: #000000 !important;
  color: #ffffff !important;
  border-color: #000000 !important;
  transform: translateY(1px);
}

.option-letter {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #f7f7f5;
  color: #000000;
  font-weight: 850;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
  border: 2px solid #000000;
}

.option-card-btn:active .option-letter, .option-card-btn.selected .option-letter {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
}

/* Dropzone tattili */
#auditDropZone, #dropZone {
  background-color: #ffffff !important;
  border: 2.5px dashed var(--border-color) !important;
  border-radius: 16px !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

#auditDropZone:hover, #dropZone:hover {
  border-color: #000000 !important;
  background-color: #fafafa !important;
  transform: translateY(-2px);
}

.form-control, .form-select {
  font-size: 18px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 2px solid var(--border-color);
  color: var(--ink);
  background-color: #ffffff;
}

.form-control:focus, .form-select:focus {
  border-color: #000000;
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.1);
}

.form-label {
  font-weight: 800;
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--ink);
}

.preview-box {
  background: #ffffff;
  border: 2.5px solid var(--border-color) !important;
  border-radius: 16px;
  padding: 20px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 16px;
  line-height: 1.6;
  white-space: pre-wrap;
  color: var(--ink);
  max-height: 520px;
  overflow-y: auto;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
}

/* Stampa A4 Pulita */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .no-print, nav, header, .btn, footer, .search-wrap, .filter-pills-wrap, .card-actions {
    display: none !important;
  }
  .card-bdc, .app-btn-card {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
  .preview-box {
    border: none !important;
    max-height: none !important;
    overflow: visible !important;
    padding: 0 !important;
  }
}