/* ============================================================
   Sprint 19 — Definizione classi .btn del design system
   (mancavano! I bottoni .btn nel report rendevano come default)
   ============================================================ */

.btn {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 13px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 7px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.2;
}
.btn:hover {
  border-color: var(--ink-soft);
  background: var(--bg-sunken);
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn--primary:hover {
  background: var(--ink-soft);
  border-color: var(--ink-soft);
}

.btn--ghost {
  background: transparent;
  border-color: transparent;
}
.btn--ghost:hover {
  background: var(--bg-sunken);
  border-color: var(--line);
}

.btn--save {
  background: var(--save-ink, #16a085);
  color: white;
  border-color: var(--save-ink, #16a085);
}
.btn--save:hover {
  background: color-mix(in oklch, var(--save-ink, #16a085), black 10%);
  border-color: color-mix(in oklch, var(--save-ink, #16a085), black 10%);
}

.btn--waste {
  color: var(--waste-ink);
  border-color: color-mix(in oklch, var(--waste), transparent 60%);
}
.btn--waste:hover {
  background: var(--waste-soft);
  border-color: var(--waste);
}

.btn--sm {
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 5px;
}
.btn--lg {
  font-size: 14px;
  padding: 11px 18px;
}

/* Mobile responsive — bottoni più piccoli sotto 600px */
@media (max-width: 600px) {
  .btn { font-size: 12px; padding: 7px 11px; }
  .btn--sm { font-size: 11px; padding: 4px 8px; }
}

/* ============================================================
   Sprint 19 — Report design v2 polish (replica design hand-off)
   ============================================================ */

/* Report container */
.report {
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(24px, 3vw, 40px);
}

/* Report tabs — bordo basso invece di pill */
.report__tabs {
  display: flex;
  gap: 4px;
  margin: 12px auto 24px;
  padding: 4px;
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 8px;
  flex-wrap: wrap;
  max-width: 1280px;
}
.report__tab {
  border: 0;
  background: transparent;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 7px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.report__tab:hover:not(.is-active) {
  background: var(--bg-elev);
  color: var(--ink);
}
.report__tab.is-active {
  background: var(--bg-elev);
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
@media (max-width: 720px) {
  .report__tabs { gap: 2px; padding: 3px; overflow-x: auto; flex-wrap: nowrap; }
  .report__tab { font-size: 11.5px; padding: 6px 10px; flex-shrink: 0; }
}

/* Executive 1-pager — replica design hand-off */
.report__exec {
  max-width: 980px;
  margin: 24px auto;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 56px);
}
.report__exec-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}
.report__exec-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 10px;
}
.report__exec-title {
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 500;
  margin: 0;
}
.report__exec-title .serif {
  color: var(--primary);
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}
.report__exec-version {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
}
.report__exec-version strong {
  display: block;
  font-family: var(--font-numeric);
  font-size: 24px;
  color: var(--ink);
  letter-spacing: -0.01em;
  font-weight: 400;
  margin-bottom: 4px;
}
@media (max-width: 720px) {
  .report__exec-head { grid-template-columns: 1fr; }
  .report__exec-version { text-align: left; }
}

/* Hero number giant */
.report__hero-number {
  background: linear-gradient(
    135deg,
    color-mix(in oklch, var(--save-soft), var(--bg-elev) 30%) 0%,
    color-mix(in oklch, var(--save-soft), var(--bg-elev) 60%) 100%
  );
  border: 1px solid color-mix(in oklch, var(--save), transparent 60%);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 44px) 24px;
  text-align: center;
  margin-bottom: 28px;
}
.report__hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--save-ink);
  margin-bottom: 12px;
}
.report__hero-value {
  font-family: var(--font-numeric);
  font-size: clamp(56px, 9vw, 96px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--save-ink);
}
.report__hero-value .u {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.28em;
  color: var(--ink-mute);
  margin-left: 12px;
  vertical-align: 0.6em;
}
.report__hero-sub {
  font-size: 16px;
  color: var(--ink-soft);
  margin-top: 12px;
}
.report__hero-sub .serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3em;
  color: var(--ink);
}
.report__hero-caption {
  font-size: 13px;
  color: var(--ink-mute);
  margin-top: 14px;
  max-width: 60ch;
  margin-inline: auto;
}

/* Compare cells AS-IS / TO-BE */
.report__compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 28px;
}
.report__compare-cell {
  padding: 24px;
  background: var(--bg-elev);
}
.report__compare-cell--before {
  background: color-mix(in oklch, var(--waste-soft), var(--bg-elev) 70%);
}
.report__compare-cell--after {
  background: color-mix(in oklch, var(--save-soft), var(--bg-elev) 70%);
}
.report__compare-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.report__compare-cell--before .report__compare-label { color: var(--waste-ink); }
.report__compare-cell--after .report__compare-label { color: var(--save-ink); }
.report__compare-value {
  font-family: var(--font-numeric);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.025em;
  margin: 6px 0;
}
.report__compare-cell--before .report__compare-value { color: var(--waste-ink); }
.report__compare-cell--after .report__compare-value { color: var(--save-ink); }
.report__compare-sub {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 6px;
}
@media (max-width: 720px) {
  .report__compare { grid-template-columns: 1fr; }
}

/* Storytelling sections layout */
.report__sections {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(28px, 4vw, 56px);
}
.report__section {
  display: contents;
}
.report__section-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
@media (max-width: 720px) {
  .report__sections { grid-template-columns: 1fr; gap: 16px; }
}

/* Report page header — coerente col DS */
.report__page-header {
  padding: 20px clamp(16px, 3vw, 32px) 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-elev);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: flex-start;
}
@media (max-width: 720px) {
  .report__page-header { grid-template-columns: 1fr; }
}

/* ============================================================
   Sprint 19 — Mobile responsive omogeneo
   ============================================================ */

/* Home hero stack su mobile */
@media (max-width: 800px) {
  .home__hero { grid-template-columns: 1fr !important; gap: 24px !important; }
  .home__stats { grid-template-columns: 1fr 1fr; }
  .projects-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .projects-row { grid-template-columns: 1fr; }
}

/* Subtoolbar /edit mobile */
@media (max-width: 900px) {
  .subtoolbar {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    padding: 10px 12px !important;
  }
  .subtoolbar__seg { width: 100%; justify-content: center; }
  .subtoolbar__seg button { flex: 1; }
}

/* Tab nav report mobile */
@media (max-width: 720px) {
  .report__page-header { padding: 14px 12px 12px; }
  .report__page-header h1 { font-size: 18px !important; }
}

/* Drawer fullscreen sotto 600px */
@media (max-width: 600px) {
  .drawer { width: 100vw !important; }
}

/* Modal max-width responsive */
@media (max-width: 640px) {
  .modal { width: 96vw !important; max-height: 92vh !important; }
  .modal__head { padding: 14px 16px; }
  .modal__body { padding: 16px; }
  .modal__foot { padding: 12px 16px; }
}

/* A4 toolbar mobile: zoom buttons stack, page-strip scrollable */
@media (max-width: 720px) {
  .a4-wrap > div:first-child {
    flex-direction: column;
    align-items: stretch !important;
  }
  .a4-wrap > div:first-child > div {
    justify-content: center;
    flex-wrap: wrap;
  }
}