/* ============================================================
   STUDOVO · WORKSPACE — design system coerente con la landing
   ============================================================ */
:root {
  --paper:        #F4EEE0;
  --paper-2:      #ECE5D2;
  --paper-deep:   #E2D9C2;
  --paper-warm:   #FBF7EC;
  --ink:          #1A1714;
  --ink-2:        #3A332C;
  --ink-3:        #6B6157;
  --ink-4:        #9A8F82;
  --ink-5:        #C4BCAE;
  --terracotta:   #C84B23;
  --terracotta-2: #E85D2C;
  --terracotta-d: #9C3A1B;
  --ink-green:    #1F4733;
  --ochre:        #B8954D;
  --ochre-2:      #D4A85B;
  --burgundy:     #6B1F2A;
  --hairline:        rgba(26, 23, 20, 0.12);
  --hairline-strong: rgba(26, 23, 20, 0.22);
  --hairline-faint:  rgba(26, 23, 20, 0.06);
  --shadow-sm: 0 2px 6px -2px rgba(26,23,20,0.10);
  --shadow-md: 0 12px 30px -18px rgba(26,23,20,0.30), 0 4px 10px -6px rgba(26,23,20,0.15);
  --shadow-lg: 0 30px 50px -25px rgba(26,23,20,0.40), 0 8px 20px -10px rgba(26,23,20,0.18);
}

/* MODE SCUOLA — palette verde */
body.mode-scuola {
  --terracotta:   #2D7A52;
  --terracotta-2: #3D9968;
  --terracotta-d: #1F5A3D;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='420' height='420'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.10  0 0 0 0 0.09  0 0 0 0 0.08  0 0 0 0.4 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.32;
  mix-blend-mode: multiply;
}
::selection { background: var(--terracotta); color: var(--paper); }

/* ============ APP SHELL ============ */
.app-shell {
  position: relative;
  z-index: 5;
  max-width: 1480px;
  margin: 0 auto;
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  min-height: 100vh;
}

/* ============ TOP BAR ============ */
.app-top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--hairline);
}
.app-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.app-brand .brand-mark {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.04em;
  line-height: 1;
}
.app-brand .brand-mark::after {
  content: '.';
  color: var(--terracotta);
}
.app-brand .brand-tag {
  font-size: 10.5px;
  color: var(--ink-3);
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.app-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}
.bc-step {
  padding: 7px 13px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--paper-warm);
  transition: all 0.25s;
}
.bc-step.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.bc-step.muted { opacity: 0.45; }
.bc-sep { color: var(--ink-4); }

.app-account {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
}
.acc-credits {
  padding: 7px 13px;
  background: var(--paper-warm);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  text-transform: uppercase;
}
.acc-credits strong { color: var(--terracotta); font-weight: 600; }
.acc-divider { opacity: 0.4; }
.acc-name { color: var(--ink); }

.app-mode-switch {
  display: inline-flex;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 3px;
  background: var(--paper);
}
.app-mode-switch button {
  background: none;
  border: none;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 500;
  font-size: 12px;
  color: var(--ink-2);
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s;
}
.app-mode-switch button.active {
  background: var(--ink);
  color: var(--paper);
}

/* mode-only helpers */
body.mode-uni    .mode-only-scuola { display: none !important; }
body.mode-scuola .mode-only-uni    { display: none !important; }

/* ============ MAIN: 2 COLONNE ============ */
.app-main {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 28px;
  flex: 1;
  align-items: start;
}

/* ============ LEFT: CANVAS ============ */
.app-canvas {
  background: var(--paper-warm);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 28px;
  position: relative;
  min-height: 620px;
}

.canvas-folio {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-4);
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hairline);
}
.cf-state {
  color: var(--terracotta);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cf-state::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--terracotta);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* States: sono mostrati uno alla volta */
.state { display: none; }
.state.active { display: block; }

/* ░░░ STATE: EMPTY ░░░ */
.dropzone {
  border: 2px dashed var(--hairline-strong);
  border-radius: 8px;
  padding: 56px 32px 48px;
  text-align: center;
  position: relative;
  background: var(--paper);
  transition: all 0.3s;
  cursor: pointer;
  overflow: hidden;
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--terracotta);
  background: var(--paper-warm);
}
.dz-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 220px;
  font-weight: 300;
  color: var(--paper-deep);
  letter-spacing: -0.05em;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}
.dz-icon, .dz-title, .dz-sub, .dz-formats, .dz-quote { position: relative; z-index: 1; }
.dz-icon {
  width: 64px;
  height: 80px;
  margin: 0 auto 20px;
  color: var(--ink-2);
}
.dz-icon svg { width: 100%; height: 100%; }
.dz-title {
  font-family: 'Fraunces', serif;
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  line-height: 1.15;
}
.dz-title em { font-style: italic; font-weight: 400; color: var(--terracotta); }
.dz-sub {
  font-size: 14.5px;
  color: var(--ink-3);
  margin-bottom: 28px;
}
.dz-link {
  background: none;
  border: none;
  color: var(--terracotta);
  font-family: inherit;
  font-size: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
  font-weight: 500;
}
.dz-link:hover { color: var(--terracotta-d); }
.dz-formats {
  display: inline-flex;
  gap: 8px;
  margin-bottom: 36px;
  flex-wrap: wrap;
  justify-content: center;
}
.dz-formats span {
  padding: 5px 11px;
  background: var(--paper-warm);
  border: 1px solid var(--hairline);
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}
.dz-quote {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 16px;
  color: var(--ink-3);
  line-height: 1.4;
  border-top: 1px solid var(--hairline);
  padding-top: 22px;
  max-width: 480px;
  margin: 0 auto;
}
.dz-quote-attr {
  display: block;
  margin-top: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-style: normal;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-4);
}

.canvas-hint {
  margin-top: 28px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(184, 149, 77, 0.08);
  border-left: 2px solid var(--ochre);
  font-size: 13.5px;
  color: var(--ink-2);
  border-radius: 0 3px 3px 0;
  line-height: 1.5;
}
.hint-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--ochre);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  flex-shrink: 0;
}

/* ░░░ STATE: DROPPED ░░░ */
.file-card {
  background: var(--paper);
  border: 1px solid var(--hairline-strong);
  border-radius: 6px;
  padding: 28px;
}
.fc-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
}
.fc-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  background: var(--paper-warm);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  display: grid;
  place-items: center;
  color: var(--terracotta);
}
.fc-icon svg { width: 22px; height: 22px; }
.fc-meta { flex: 1; min-width: 0; }
.fc-name {
  font-family: 'Fraunces', serif;
  font-size: 19px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 4px;
  word-break: break-all;
}
.fc-info {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.fc-x {
  background: none;
  border: 1px solid var(--hairline-strong);
  border-radius: 50%;
  width: 30px; height: 30px;
  font-size: 18px;
  color: var(--ink-3);
  cursor: pointer;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: all 0.2s;
}
.fc-x:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* Skeleton pages animate */
.page-skeleton {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 28px;
  padding: 18px;
  background: var(--paper-2);
  border-radius: 4px;
  overflow: hidden;
}
.ps-page {
  aspect-ratio: 8.5 / 11;
  background: var(--paper-warm);
  border: 1px solid var(--hairline);
  border-radius: 2px;
  padding: 8px 10px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.ps-pn {
  position: absolute;
  top: 4px;
  right: 6px;
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 11px;
  color: var(--ink-4);
}
.ps-line {
  height: 4px;
  background: var(--paper-deep);
  border-radius: 1px;
}
.ps-line.w90 { width: 90%; }
.ps-line.w85 { width: 85%; }
.ps-line.w80 { width: 80%; }
.ps-line.w75 { width: 75%; }
.ps-line.w70 { width: 70%; }
.ps-line.w65 { width: 65%; }
.ps-line.w60 { width: 60%; }
.ps-line.w55 { width: 55%; }
.ps-line.w50 { width: 50%; }
.ps-line.w40 { width: 40%; }
.ps-scanner {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 24px;
  background: linear-gradient(180deg, transparent 0%, rgba(200, 75, 35, 0.18) 50%, transparent 100%);
  animation: scan 3.2s ease-in-out infinite;
}
@keyframes scan {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(calc(100% * 8)); }
}

.fc-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* ░░░ STATE: PROCESSING ░░░ */
.proc-card {
  background: var(--paper);
  border: 1px solid var(--hairline-strong);
  border-radius: 6px;
  padding: 28px;
}
.proc-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}
.proc-doc-name {
  font-family: 'Fraunces', serif;
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  display: block;
}
.proc-doc-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}
.proc-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  text-align: right;
}
.proc-time #proc-elapsed {
  color: var(--terracotta);
  font-weight: 500;
}

.proc-progress {
  height: 6px;
  background: var(--paper-2);
  border-radius: 999px;
  position: relative;
  margin-bottom: 8px;
  overflow: hidden;
}
.proc-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--terracotta), var(--ochre-2));
  border-radius: 999px;
  width: 0%;
  transition: width 0.4s ease-out;
}
.proc-progress-tick {
  position: absolute;
  top: -2px;
  width: 1px;
  height: 10px;
  background: var(--ink-4);
}
.proc-progress-labels {
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-4);
  margin-bottom: 24px;
}

.proc-log {
  background: var(--paper-warm);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 14px 18px;
  margin-bottom: 22px;
  max-height: 260px;
  overflow-y: auto;
}
.log-row {
  display: grid;
  grid-template-columns: 50px 36px 1fr 24px;
  gap: 12px;
  align-items: center;
  padding: 6px 0;
  font-size: 12.5px;
  border-bottom: 1px dashed var(--hairline-faint);
  font-family: 'JetBrains Mono', monospace;
}
.log-row:last-child { border-bottom: none; }
.log-time { color: var(--ink-4); font-size: 10.5px; }
.log-tag { color: var(--terracotta); font-size: 10.5px; }
.log-row.done { color: var(--ink-2); }
.log-row.done .log-stat { color: var(--ink-green); font-weight: 700; }
.log-row.active {
  color: var(--ink);
  font-weight: 500;
  background: rgba(200, 75, 35, 0.06);
  margin: 0 -10px;
  padding: 8px 10px;
  border-radius: 3px;
  border-bottom: none;
}
.log-row.pending { color: var(--ink-4); opacity: 0.7; }
.log-stat { text-align: center; }

.log-spin {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--terracotta);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.proc-foot {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
}
.proc-foot-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.proc-foot-num strong {
  color: var(--ink);
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 500;
  font-size: 16px;
  margin-right: 6px;
  display: inline-block;
  letter-spacing: -0.01em;
}

/* ░░░ STATE: DONE ░░░ */
.done-card {
  background: var(--paper);
  border: 1px solid var(--hairline-strong);
  border-radius: 6px;
  padding: 32px 32px 28px;
}
.done-folio {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-4);
  margin-bottom: 18px;
}
.done-stamp {
  background: var(--ink-green);
  color: var(--paper);
  padding: 4px 11px;
  border-radius: 2px;
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
}
.done-title {
  font-family: 'Fraunces', serif;
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: 6px;
}
.done-title em { font-style: italic; font-weight: 400; color: var(--terracotta); }
.done-sub {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 14px;
  color: var(--ink-3);
  margin-bottom: 28px;
}

.done-preview {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  margin-bottom: 28px;
}
.done-toc {
  background: var(--paper-warm);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 18px;
}
.dtoc-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--terracotta);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hairline);
}
.done-toc ul { list-style: none; }
.done-toc li {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  gap: 8px;
  align-items: baseline;
  padding: 5px 0;
  font-size: 11.5px;
  color: var(--ink-2);
  border-bottom: 0.5px dotted var(--hairline);
}
.done-toc li:last-child { border-bottom: none; }
.done-toc .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  color: var(--terracotta);
}
.done-toc .pn {
  font-family: 'Fraunces', serif;
  font-style: italic;
  color: var(--ink-3);
}

.done-page {
  background: var(--paper-warm);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 22px;
  position: relative;
}
.dp-folio {
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-4);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 0.5px solid var(--hairline);
}
.dp-h {
  font-family: 'Fraunces', serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.012em;
  line-height: 1.2;
  margin-bottom: 12px;
}
.dp-h em { font-style: italic; color: var(--terracotta); font-weight: 400; }
.dp-body {
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--ink-2);
  margin-bottom: 10px;
}
.dp-body mark {
  background: rgba(184, 149, 77, 0.30);
  padding: 0 3px;
  color: var(--ink);
}
.dp-body strong { color: var(--ink); font-weight: 600; }
.dp-pull {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 13px;
  color: var(--burgundy);
  border-left: 2px solid var(--burgundy);
  padding: 4px 0 4px 12px;
  margin: 12px 0;
  line-height: 1.4;
}

.done-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}
.dl-btn {
  background: var(--paper);
  border: 1px solid var(--hairline-strong);
  border-radius: 4px;
  padding: 14px 12px;
  cursor: pointer;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.25s;
  font-family: inherit;
  color: var(--ink);
}
.dl-btn:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.dl-btn svg {
  width: 22px;
  height: 22px;
  color: var(--ink-2);
  margin-bottom: 6px;
}
.dl-btn.highlight {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.dl-btn.highlight svg { color: var(--terracotta-2); }
.dl-label {
  font-family: 'Fraunces', serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.dl-label em { font-style: italic; color: var(--terracotta); }
.dl-btn.highlight .dl-label em { color: var(--ochre-2); }
.dl-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}
.dl-btn.highlight .dl-meta { color: rgba(244, 238, 224, 0.65); }

.done-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
  flex-wrap: wrap;
  gap: 12px;
}
.done-tip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-4);
}

/* ============ RIGHT: PANEL OPZIONI ============ */
.app-panel {
  background: var(--paper-warm);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 26px 24px;
  position: sticky;
  top: 24px;
}
.panel-folio {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-4);
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hairline);
}
.panel-folio span:first-child { color: var(--terracotta); }
.pf-num {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 14px;
  color: var(--ink-3);
}

.panel-section {
  margin-bottom: 24px;
  padding-bottom: 22px;
  border-bottom: 1px dashed var(--hairline);
}
.panel-section:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.ps-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-3);
  margin-bottom: 12px;
}

/* Seg control modalità (UNI/Liceo) */
.seg-control {
  display: inline-flex;
  background: var(--paper);
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  padding: 3px;
  width: 100%;
}
.seg {
  flex: 1;
  background: none;
  border: none;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 500;
  font-size: 12.5px;
  color: var(--ink-3);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s;
}
.seg.active {
  background: var(--ink);
  color: var(--paper);
}
.seg:hover:not(.active) { color: var(--ink); }

/* Livelli radio */
.lvl-stack { display: flex; flex-direction: column; gap: 8px; }
.lvl-row {
  display: grid;
  grid-template-columns: 18px 28px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}
.lvl-row:hover { border-color: var(--ink-3); }
.lvl-row input[type="radio"] {
  appearance: none;
  width: 16px; height: 16px;
  border: 1.5px solid var(--ink-3);
  border-radius: 50%;
  cursor: pointer;
  position: relative;
}
.lvl-row input[type="radio"]:checked {
  border-color: var(--terracotta);
}
.lvl-row input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--terracotta);
  border-radius: 50%;
}
.lvl-row:has(input:checked) {
  background: var(--paper-warm);
  border-color: var(--terracotta);
  box-shadow: 0 0 0 2px rgba(200, 75, 35, 0.08);
}
.lvl-rom {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 22px;
  color: var(--ink-4);
  font-weight: 300;
  line-height: 1;
}
.lvl-row:has(input:checked) .lvl-rom { color: var(--terracotta); }
.lvl-text { display: flex; flex-direction: column; }
.lvl-text strong {
  font-family: 'Fraunces', serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.lvl-text em {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 11.5px;
  color: var(--ink-3);
  margin-top: 1px;
}
.lvl-grade {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: right;
}
.lvl-row:has(input:checked) .lvl-grade { color: var(--terracotta); font-weight: 500; }

/* Lingua select */
.panel-select {
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--hairline-strong);
  border-radius: 4px;
  padding: 9px 12px;
  font-family: inherit;
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
}

/* Checkbox stack */
.chk-stack { display: flex; flex-direction: column; gap: 8px; }
.chk {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  color: var(--ink-2);
  transition: all 0.2s;
}
.chk:hover { border-color: var(--ink-3); }
.chk input[type="checkbox"] {
  appearance: none;
  width: 16px; height: 16px;
  border: 1.5px solid var(--ink-3);
  border-radius: 3px;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}
.chk input[type="checkbox"]:checked {
  background: var(--terracotta);
  border-color: var(--terracotta);
}
.chk input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--paper);
  font-size: 12px;
  font-weight: 700;
}
.chk em {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 11px;
  color: var(--ink-4);
  margin-left: 4px;
}

/* Cost panel — solo modalità università */
.panel-cost {
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 4px;
  padding: 16px 18px;
  margin-top: 4px;
}
.cost-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 0;
  font-size: 13px;
  color: var(--ink-2);
}
.cost-row strong {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 500;
  font-size: 14.5px;
  color: var(--ink);
}
.cost-row.total {
  border-top: 1px solid var(--hairline);
  margin-top: 6px;
  padding-top: 10px;
}
.cost-row.total strong {
  color: var(--terracotta);
  font-size: 17px;
}
.cost-foot {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-4);
  text-align: right;
  margin-top: 8px;
}

/* Pannello "scuola gratis" — replace cost-panel */
.panel-free {
  background: var(--paper);
  border: 1px dashed var(--terracotta);
  border-radius: 4px;
  padding: 16px 18px;
  text-align: center;
}
.panel-free-icon {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 32px;
  color: var(--terracotta);
  font-weight: 300;
  line-height: 1;
  margin-bottom: 8px;
}
.panel-free h4 {
  font-family: 'Fraunces', serif;
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.panel-free p {
  font-size: 12px;
  line-height: 1.45;
  color: var(--ink-3);
}

.panel-foot {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--ink-3);
  text-align: center;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
  letter-spacing: -0.005em;
}
.pf-mark {
  display: block;
  color: var(--terracotta);
  margin-bottom: 4px;
}

/* ============ BOTTONI ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 4px;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s;
  border: none;
}
.btn-primary {
  background: var(--terracotta);
  color: var(--paper);
  box-shadow: 0 1px 0 rgba(0,0,0,0.2);
}
.btn-primary:hover {
  background: var(--terracotta-2);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px -3px rgba(200, 75, 35, 0.45);
}
body.mode-scuola .btn-primary:hover {
  box-shadow: 0 6px 16px -3px rgba(45, 122, 82, 0.45);
}
.btn-ghost {
  background: transparent;
  color: var(--ink-3);
  border: 1px solid var(--hairline-strong);
}
.btn-ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.btn-arrow { transition: transform 0.25s; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1100px) {
  .app-shell { padding: 18px 22px; }
  .app-main { grid-template-columns: 1fr; }
  .app-panel { position: static; }
  .app-top { grid-template-columns: 1fr auto; gap: 16px; }
  .app-breadcrumb { display: none; }
}
@media (max-width: 720px) {
  /* app-top e' un grid, non un flex: per impilare brand/account uso una
     colonna sola e allineo l'account a sinistra. (Prima c'era
     flex-wrap:wrap, che su un grid non fa nulla.) */
  .app-top { grid-template-columns: 1fr; gap: 14px; }
  .app-account { justify-self: start; flex-wrap: wrap; font-size: 10.5px; gap: 8px; }
  .acc-name { display: none; }
  .app-canvas { padding: 22px 18px; min-height: 0; }
  .app-panel { padding: 22px 18px; }
  .done-preview { grid-template-columns: 1fr; }
  .done-actions { grid-template-columns: 1fr 1fr; }
  .page-skeleton { grid-template-columns: repeat(2, 1fr); }
}

/* ── Telefono ── */
@media (max-width: 600px) {
  .app-shell { padding: 14px 14px; gap: 20px; }

  .app-canvas { padding: 18px 14px; border-radius: 5px; }
  .canvas-folio { margin-bottom: 18px; padding-bottom: 12px; }

  /* Dropzone: meno padding, titolo piu' piccolo, watermark contenuto */
  .dropzone { padding: 34px 16px 30px; }
  .dz-watermark { font-size: 130px; }
  .dz-icon { width: 52px; height: 64px; margin-bottom: 14px; }
  .dz-title { font-size: 24px; }
  .dz-sub { font-size: 13.5px; margin-bottom: 22px; }
  .dz-formats { margin-bottom: 24px; gap: 6px; }
  .dz-quote { font-size: 14px; padding-top: 18px; }

  .canvas-hint { padding: 12px 14px; font-size: 12.5px; }

  /* Card degli stati: padding ridotto */
  .file-card, .proc-card, .done-card { padding: 18px 16px; }
  .fc-head { gap: 12px; margin-bottom: 18px; padding-bottom: 14px; }
  .fc-name { font-size: 17px; }

  /* Processing: header in colonna, log e label piu' compatti */
  .proc-head { flex-direction: column; gap: 8px; }
  .proc-time { text-align: left; }
  .proc-progress-labels { font-size: 8.5px; letter-spacing: 0.06em; }
  .proc-log { padding: 12px 14px; }
  .log-row { grid-template-columns: 42px 30px 1fr 20px; gap: 8px; font-size: 11.5px; }

  /* Done */
  .done-title { font-size: 25px; }

  /* Pannello calibrazione */
  .app-panel { padding: 18px 16px; }
  .panel-section { margin-bottom: 18px; padding-bottom: 16px; }

  /* Target touch >= ~44px sui controlli piccoli */
  .app-mode-switch button { padding: 9px 14px; font-size: 12.5px; }
  .seg { padding: 11px 12px; }
  .chk { padding: 11px 12px; }
  .lvl-row { padding: 13px 12px; }
}

/* ── Telefoni stretti ── */
@media (max-width: 430px) {
  .app-brand .brand-mark { font-size: 22px; }
  .app-account { font-size: 10px; gap: 6px; }
  .dz-title { font-size: 22px; }
  .dz-watermark { font-size: 104px; }
}

/* ============================================================
   ACCETTAZIONE TERMINI DI SERVIZIO (ToS) — pre-upload
   ============================================================ */
.tos-accept-bar {
  margin: 0 auto 22px;
  max-width: 680px;
  padding: 14px 18px;
  background: var(--paper-2, #f4eedf);
  border: 1px solid var(--hairline-strong, rgba(26, 23, 20, 0.18));
  border-left: 3px solid var(--terracotta, #c84b23);
  border-radius: 0 4px 4px 0;
  transition: opacity 0.25s, border-color 0.25s;
}
.tos-accept-bar.tos-accepted {
  border-left-color: var(--ochre, #b69050);
  opacity: 0.65;
}
.tos-accept-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-2, #4a3f33);
  user-select: none;
}
.tos-accept-label input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
  border: 1.5px solid var(--ink-3, #7a6e5e);
  border-radius: 3px;
  background: var(--paper, #faf6ec);
  cursor: pointer;
  position: relative;
  transition: all 0.18s;
}
.tos-accept-label input[type="checkbox"]:hover {
  border-color: var(--terracotta, #c84b23);
}
.tos-accept-label input[type="checkbox"]:checked {
  background: var(--terracotta, #c84b23);
  border-color: var(--terracotta, #c84b23);
}
.tos-accept-label input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: solid var(--paper, #faf6ec);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.tos-accept-text a {
  color: var(--terracotta, #c84b23);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
.tos-accept-text a:hover {
  color: var(--terracotta-2, #a83d1a);
}

/* Dropzone disabled state quando ToS non accettati */
.state-empty .dropzone.tos-blocked {
  opacity: 0.4;
  pointer-events: none;
  filter: grayscale(0.5);
  transition: opacity 0.25s, filter 0.25s;
}
.state-empty .dropzone {
  transition: opacity 0.25s, filter 0.25s;
}

/* Tooltip warning quando l'utente prova ad agire senza accettare */
.tos-warning-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--terracotta, #c84b23);
  color: var(--paper, #faf6ec);
  padding: 14px 22px;
  border-radius: 4px;
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: 0 8px 24px -4px rgba(200, 75, 35, 0.35);
  opacity: 0;
  pointer-events: none;
  z-index: 1000;
  transition: opacity 0.25s, transform 0.25s;
}
.tos-warning-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================================
   MODAL ACCETTAZIONE TERMINI DI SERVIZIO (bloccante full-screen)
   ============================================================ */
.tos-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 17, 14, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: tosModalFadeIn 0.3s ease;
}
.tos-modal-overlay.hidden {
  display: none;
}
@keyframes tosModalFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.tos-modal-box {
  background: var(--paper, #faf6ec);
  max-width: 580px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  padding: 32px 36px 28px;
  border-radius: 6px;
  box-shadow: 0 20px 60px -10px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(26, 23, 20, 0.18);
  animation: tosModalSlideUp 0.36s cubic-bezier(0.2, 0.7, 0.25, 1);
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
}
@keyframes tosModalSlideUp {
  from { opacity: 0; transform: translateY(24px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.tos-modal-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-3, #7a6e5e);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.tos-modal-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--terracotta, #c84b23);
}
.tos-modal-title {
  font-family: 'Fraunces', serif;
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink, #1a1714);
  margin-bottom: 14px;
  line-height: 1.15;
}
.tos-modal-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2, #4a3f33);
  margin-bottom: 16px;
}
.tos-modal-points {
  list-style: none;
  margin: 0 0 18px;
  padding: 16px 18px;
  background: var(--paper-2, #f4eedf);
  border-left: 3px solid var(--terracotta, #c84b23);
  border-radius: 0 4px 4px 0;
}
.tos-modal-points li {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-2, #4a3f33);
  padding: 6px 0;
  border-bottom: 1px dashed rgba(26, 23, 20, 0.06);
}
.tos-modal-points li:last-child { border-bottom: none; }
.tos-modal-points li strong {
  color: var(--ink, #1a1714);
  font-weight: 600;
}
.tos-modal-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(26, 23, 20, 0.08);
}
.tos-modal-links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--terracotta, #c84b23);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}
.tos-modal-links a:hover { color: var(--terracotta-2, #a83d1a); text-decoration: underline; }
.tos-modal-links a svg { flex-shrink: 0; }

.tos-modal-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  margin-bottom: 22px;
  padding: 12px 14px;
  background: var(--paper-2, #f4eedf);
  border: 1px solid rgba(26, 23, 20, 0.18);
  border-radius: 4px;
  transition: border-color 0.2s, background 0.2s;
}
.tos-modal-checkbox-label:hover {
  border-color: var(--terracotta, #c84b23);
}
.tos-modal-checkbox-label input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
  border: 1.5px solid var(--ink-3, #7a6e5e);
  border-radius: 3px;
  background: var(--paper, #faf6ec);
  cursor: pointer;
  position: relative;
  transition: all 0.18s;
}
.tos-modal-checkbox-label input[type="checkbox"]:hover {
  border-color: var(--terracotta, #c84b23);
}
.tos-modal-checkbox-label input[type="checkbox"]:checked {
  background: var(--terracotta, #c84b23);
  border-color: var(--terracotta, #c84b23);
}
.tos-modal-checkbox-label input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: solid var(--paper, #faf6ec);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.tos-modal-checkbox-text {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-2, #4a3f33);
}
.tos-modal-checkbox-text a {
  color: var(--terracotta, #c84b23);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  font-weight: 500;
}
.tos-modal-checkbox-text strong {
  color: var(--ink, #1a1714);
  font-weight: 600;
}

.tos-modal-accept {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 20px;
  background: var(--ink, #1a1714);
  color: var(--paper, #faf6ec);
  border: none;
  border-radius: 4px;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 500;
  font-size: 14.5px;
  cursor: pointer;
  transition: all 0.22s;
}
.tos-modal-accept:hover:not(:disabled) {
  background: var(--terracotta, #c84b23);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px -4px rgba(200, 75, 35, 0.4);
}
.tos-modal-accept:disabled {
  background: rgba(26, 23, 20, 0.25);
  color: rgba(250, 246, 236, 0.6);
  cursor: not-allowed;
}
.tos-modal-accept svg {
  transition: transform 0.22s;
}
.tos-modal-accept:hover:not(:disabled) svg {
  transform: translateX(3px);
}

.tos-modal-footer {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-4, #a89c89);
  text-align: center;
  margin-top: 18px;
  margin-bottom: 0;
}

@media (max-width: 580px) {
  .tos-modal-box {
    padding: 24px 22px 22px;
    max-height: 96vh;
  }
  .tos-modal-title { font-size: 22px; }
  .tos-modal-desc { font-size: 13px; }
  .tos-modal-points { padding: 14px 16px; }
  .tos-modal-points li { font-size: 12.5px; }
  .tos-modal-links { gap: 14px; }
}

/* ============================================================
   MODALITÀ UNIVERSITÀ DISABILITATA (servizio in arrivo)
   ============================================================ */
.app-mode-switch button.mode-disabled,
.seg-control button.mode-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.app-mode-switch button.mode-disabled:hover,
.seg-control button.mode-disabled:hover {
  background: transparent;
  color: inherit;
}
.app-mode-switch button.mode-disabled.active,
.seg-control button.mode-disabled.active {
  background: transparent;
  color: inherit;
}

/* Badge "In arrivo" appeso al bottone disabilitato */
.mode-soon-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 2px 6px;
  background: var(--terracotta, #c84b23);
  color: var(--paper, #faf6ec);
  border-radius: 2px;
  white-space: nowrap;
  line-height: 1;
}