/* Officina dei Venti — fogli di stile.

   Estetica: carta nautica del Cinquecento incontra manuale meteorologico
   ottocentesco. Palette di carta invecchiata, inchiostro ferrogallico,
   rosso ossido per i marker, oro tenue per gli accenti accesi.

   Tipografia: Cormorant SC per il frontespizio (incise sulle carte
   antiche), Cormorant Garamond per la prosa, JetBrains Mono per i
   numeri tecnici (gradi, valori del temperamento).
*/

/* ----- variabili ----- */

:root {
  --carta:               #f4e8cf;
  --carta-piu:           #efe1c1;
  --carta-meno:          #e8d8b5;
  --carta-foglio:        #f9efd8;
  --inchiostro:          #1a1410;
  --inchiostro-tenue:    #5a4a3a;
  --inchiostro-fioco:    #8a7a64;
  --rosso-ossido:        #8b3a1f;
  --rosso-tenue:         #b56548;
  --blu-mare:            #2c4858;
  --oro-tenue:           #b8954c;
  --oro-acceso:          #d4a850;
  --verde-rame:          #4a6e5a;

  --max-larghezza:       1180px;
  --raggio-foglio:       2px;

  --carta-grain:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 360 360'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch' seed='3'/><feColorMatrix values='0 0 0 0 0.10  0 0 0 0 0.08  0 0 0 0 0.06  0 0 0 0.55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ----- reset ----- */

*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, p, ul, li, button, input { margin: 0; padding: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; }
input { font: inherit; color: inherit; }

/* ----- corpo ----- */

html { background: var(--carta); }

body {
  font-family: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  font-size: 18px;
  line-height: 1.55;
  color: var(--inchiostro);
  min-height: 100vh;

  /* sfondo a strati: vellutatura ai bordi, leggero alone caldo,
     carta alla base. */
  background-color: var(--carta);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(255, 247, 220, 0.55), transparent 70%),
    radial-gradient(ellipse 70% 50% at 80% 90%, rgba(160, 128, 80, 0.10), transparent 70%);
  background-attachment: fixed;
}

/* grana della carta (overlay fisso) */
.paper-grain {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  mix-blend-mode: multiply;
  background-image: var(--carta-grain);
  background-size: 360px 360px;
}

.paper-vignette {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 2;
  background:
    radial-gradient(ellipse 110% 110% at 50% 50%,
      transparent 55%,
      rgba(40, 20, 8, 0.10) 80%,
      rgba(40, 20, 8, 0.22) 100%);
}

/* ----- atelier ----- */

main.atelier {
  position: relative;
  z-index: 3;
  max-width: var(--max-larghezza);
  margin: 0 auto;
  padding: 64px 28px 80px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
}

/* ----- frontespizio ----- */

.frontespizio {
  text-align: center;
  padding: 8px 0 0;
}

.ornamento {
  font-size: 28px;
  letter-spacing: 12px;
  color: var(--rosso-ossido);
  margin-left: 12px;
  margin-bottom: 12px;
  user-select: none;
}

.titolo {
  font-family: "Cormorant SC", "Cormorant Garamond", serif;
  font-weight: 600;
  font-size: clamp(54px, 11vw, 110px);
  line-height: 0.92;
  letter-spacing: 0.02em;
  color: var(--inchiostro);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.titolo-amp {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-weight: 400;
  font-size: 0.42em;
  color: var(--inchiostro-tenue);
  margin: -0.2em 0;
  text-transform: lowercase;
  letter-spacing: 0.06em;
}

.sottotitolo {
  margin-top: 18px;
  font-style: italic;
  color: var(--inchiostro-tenue);
  letter-spacing: 0.05em;
  font-size: 17px;
}

.riga-incisa {
  width: 280px;
  height: 1px;
  background: var(--inchiostro-tenue);
  margin: 28px auto 0;
  position: relative;
  opacity: 0.7;
}
.riga-incisa::before, .riga-incisa::after {
  content: "❦";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: var(--inchiostro-tenue);
  background: var(--carta);
  padding: 0 10px;
}
.riga-incisa::before { left: -10px; }
.riga-incisa::after { right: -10px; }

/* ----- container rosa + scheda ----- */

.rosa-container,
.scheda-container,
.strumenti {
  background: var(--carta-foglio);
  border: 1px solid rgba(26, 20, 16, 0.18);
  border-radius: var(--raggio-foglio);
  padding: 28px;
  box-shadow:
    0 1px 0 rgba(255, 250, 230, 0.6) inset,
    0 1px 3px rgba(60, 40, 20, 0.06),
    0 12px 28px -12px rgba(60, 40, 20, 0.18);
  position: relative;
}

/* angoli rifilati alla maniera della stampa antica */
.rosa-container::before,
.rosa-container::after,
.scheda-container::before,
.scheda-container::after {
  content: "";
  position: absolute;
  width: 16px; height: 16px;
  border: 1px solid var(--inchiostro-tenue);
  opacity: 0.35;
}
.rosa-container::before, .scheda-container::before {
  top: 8px; left: 8px;
  border-right: 0; border-bottom: 0;
}
.rosa-container::after, .scheda-container::after {
  bottom: 8px; right: 8px;
  border-left: 0; border-top: 0;
}

@media (min-width: 980px) {
  main.atelier {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    grid-template-areas:
      "front  front"
      "rosa   scheda"
      "strum  strum"
      "colo   colo";
    column-gap: 48px;
    row-gap: 64px;
  }
  .frontespizio  { grid-area: front; }
  .rosa-container { grid-area: rosa; }
  .scheda-container { grid-area: scheda; }
  .strumenti     { grid-area: strum; }
  .colophon      { grid-area: colo; }
}

/* ----- rosa dei venti (SVG) ----- */

.rosa-container { padding: 24px 16px 12px; }

.rosa {
  display: block;
  margin: 0 auto;
  max-width: 720px;
}

.rosa-svg {
  width: 100%;
  height: auto;
  display: block;
  user-select: none;
}

.rosa-anello {
  fill: none;
  stroke: var(--inchiostro);
  stroke-width: 2.2;
  opacity: 0.92;
}
.rosa-anello-fine {
  stroke-width: 0.6;
  opacity: 0.55;
}

.tacca { stroke: var(--inchiostro); stroke-width: 0.5; opacity: 0.55; }
.tacca-grande { stroke-width: 1.3; opacity: 0.85; }

/* mezzopetali (decorativi) */
.mezzopetalo {
  stroke: var(--inchiostro);
  stroke-width: 0.45;
  stroke-linejoin: miter;
  opacity: 0.85;
}
.mezzopetalo-chiaro { fill: var(--carta-piu); }
.mezzopetalo-scuro  { fill: var(--inchiostro-tenue); }

/* petali principali (interattivi) */
.petalo {
  stroke: var(--inchiostro);
  stroke-width: 0.7;
  stroke-linejoin: miter;
  cursor: pointer;
  transition: fill 0.6s ease, filter 0.5s ease, opacity 0.4s ease;
}
.petalo-chiaro { fill: var(--carta); }
.petalo-scuro  { fill: var(--inchiostro); }

.petalo:hover { opacity: 0.92; }
.petalo-chiaro:hover { fill: #fff8e2; }
.petalo-scuro:hover  { fill: #2a2018; }

/* petalo acceso */
.petalo.attivo.petalo-chiaro {
  fill: var(--oro-acceso);
  filter: drop-shadow(0 0 5px rgba(212, 168, 80, 0.55));
  animation: pulsa-chiaro 4.5s ease-in-out infinite;
}
.petalo.attivo.petalo-scuro {
  fill: var(--rosso-ossido);
  filter: drop-shadow(0 0 5px rgba(139, 58, 31, 0.55));
  animation: pulsa-scuro 4.5s ease-in-out infinite;
}

@keyframes pulsa-chiaro {
  0%, 100% { fill: var(--oro-acceso); }
  50%      { fill: var(--oro-tenue); }
}
@keyframes pulsa-scuro {
  0%, 100% { fill: var(--rosso-ossido); }
  50%      { fill: #6f2f18; }
}

.rosa-centro { fill: var(--carta-meno); stroke: var(--inchiostro); stroke-width: 1.2; }
.rosa-stella { fill: var(--rosso-ossido); }

/* etichette dei venti */
.rosa-nome {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 19px;
  font-weight: 500;
  fill: var(--inchiostro);
  letter-spacing: 0.04em;
  cursor: pointer;
  text-transform: lowercase;
}
.rosa-nome.attivo {
  fill: var(--rosso-ossido);
  font-weight: 600;
}
.rosa-sigla {
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-size: 10px;
  font-weight: 500;
  fill: var(--inchiostro-tenue);
  letter-spacing: 0.16em;
  pointer-events: none;
  text-transform: uppercase;
}
.rosa-sigla.attivo { fill: var(--rosso-ossido); }

.rosa-istruzione {
  text-align: center;
  margin-top: 8px;
  font-style: italic;
  color: var(--inchiostro-fioco);
  font-size: 14px;
  letter-spacing: 0.03em;
}

.rosa-pie {
  text-align: center;
  margin-top: 6px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--inchiostro-fioco);
}

.link-incisione {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: var(--rosso-ossido);
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  background: none;
}
.link-incisione:hover { color: var(--inchiostro); }

.petalo:focus-visible,
.rosa-nome:focus-visible {
  outline: 0;
  filter: drop-shadow(0 0 4px var(--rosso-ossido));
}

@keyframes scossa {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-3px); }
  40%, 80% { transform: translateX(3px); }
}
.scossa { animation: scossa 0.5s ease; }

.registro-voce-corpo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  overflow: hidden;
}
.registro-voce-corpo .registro-voce-nota {
  font-style: italic;
  color: var(--inchiostro);
  font-size: 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.registro-voce-corpo .registro-voce-venti {
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5px;
  color: var(--rosso-ossido);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.registro-voce.lampeggia {
  background: rgba(212, 168, 80, 0.30);
  border-color: var(--oro-tenue);
  animation: lampeggia 0.9s ease;
}
@keyframes lampeggia {
  0%   { background: rgba(212, 168, 80, 0.45); }
  100% { background: rgba(255, 248, 226, 0.5); }
}

/* ----- scheda ----- */

.scheda-container { padding: 36px 32px 28px; }

.scheda {
  --tinta: var(--rosso-ossido);
}

.scheda-cap {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--inchiostro-tenue);
  margin-bottom: 4px;
}
.scheda-deg { color: var(--rosso-ossido); }

.scheda-titolo {
  font-family: "Cormorant SC", "Cormorant Garamond", serif;
  font-weight: 600;
  font-size: 52px;
  line-height: 1.05;
  letter-spacing: 0.01em;
  margin: 4px 0 8px;
}

.scheda-aggettivi {
  font-style: italic;
  color: var(--inchiostro-tenue);
  font-size: 17px;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}
.scheda-aggettivi em { font-style: italic; color: var(--inchiostro); }
.scheda-aggettivi .punto { color: var(--inchiostro-fioco); margin: 0 8px; }

/* indicatori del temperamento */
.scheda-temperamento {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}
.indicatore {
  display: grid;
  grid-template-columns: 110px 1fr 64px;
  gap: 14px;
  align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--inchiostro-tenue);
}
.ind-etichetta { text-transform: uppercase; }
.ind-barra {
  position: relative;
  height: 2px;
  background: rgba(26, 20, 16, 0.22);
}
.ind-mezzo {
  position: absolute;
  top: -3px; bottom: -3px;
  left: calc(50% - 0.5px);
  width: 1px;
  background: var(--inchiostro-tenue);
  opacity: 0.5;
}
.ind-fill {
  position: absolute;
  top: -2px; bottom: -2px;
  background: var(--inchiostro);
  transition: left 0.6s ease, width 0.6s ease, background 0.6s ease;
}
.scheda[data-vento] .ind-fill { background: var(--tinta); }
.ind-valore {
  text-align: right;
  color: var(--inchiostro);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.scheda-divider-line {
  height: 1px;
  background: var(--inchiostro-tenue);
  opacity: 0.35;
  margin: 10px 0 18px;
}

.scheda-rubrica {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--rosso-ossido);
  margin: 14px 0 6px;
}

.scheda-paragrafo {
  font-size: 17.5px;
  line-height: 1.55;
  color: var(--inchiostro);
  margin-bottom: 4px;
}
.scheda-paragrafo.prosa {
  font-style: italic;
  font-size: 19px;
  line-height: 1.5;
  color: #2a201a;
}
.scheda-paragrafo.memoria {
  color: var(--inchiostro-tenue);
  font-size: 16px;
}

/* azioni della scheda */
.scheda-azioni {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.btn-scheda {
  font-family: "Cormorant SC", "Cormorant Garamond", serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  padding: 10px 22px;
  border: 1px solid var(--inchiostro);
  background: var(--carta-foglio);
  color: var(--inchiostro);
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
  position: relative;
}
.btn-scheda::before {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(26, 20, 16, 0.18);
  pointer-events: none;
}
.btn-scheda:hover {
  background: var(--inchiostro);
  color: var(--carta);
}
.btn-scheda.attivo {
  background: var(--rosso-ossido);
  color: var(--carta);
  border-color: var(--rosso-ossido);
  box-shadow: 0 0 0 4px rgba(139, 58, 31, 0.10);
}
.btn-scheda.attivo:hover {
  background: #6f2f18;
}

.scheda-intensita {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--inchiostro-tenue);
}
.scheda-intensita[hidden] { display: none; }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 140px;
  height: 2px;
  background: rgba(26, 20, 16, 0.30);
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--rosso-ossido);
  border: 1px solid var(--inchiostro);
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--rosso-ossido);
  border: 1px solid var(--inchiostro);
  cursor: pointer;
}

/* ----- introduzione (atelier vuoto) ----- */

.atelier-intro { padding: 8px 0; }
.atelier-titolo {
  font-family: "Cormorant SC", serif;
  font-weight: 600;
  font-size: 36px;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.atelier-paragrafo {
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 14px;
  color: var(--inchiostro);
}
.atelier-paragrafo + .atelier-paragrafo {
  color: var(--inchiostro-tenue);
}
.atelier-firma {
  font-style: italic;
  color: var(--rosso-ossido);
  margin-top: 18px;
  font-size: 15px;
  letter-spacing: 0.04em;
}

/* ----- strumenti (barometro + registro) ----- */

.strumenti {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 28px 28px 24px;
}
@media (min-width: 720px) {
  .strumenti {
    grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.4fr);
    gap: 48px;
  }
}

.strumento-titolo {
  font-family: "Cormorant SC", serif;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.22em;
  text-transform: lowercase;
  color: var(--inchiostro);
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--inchiostro-tenue);
  border-color: rgba(26, 20, 16, 0.28);
}

/* barometro */
.barometro { text-align: center; }
.quadrante {
  width: 200px;
  height: 130px;
  margin: 4px auto 8px;
  color: var(--inchiostro);
}
.quadrante-svg { width: 100%; height: auto; }
.quadrante-arco { stroke: var(--inchiostro); }

#ago-barometro {
  /* la rotazione è impostata via attributo SVG come rotate(ang 100 110),
     così il pivot è codificato direttamente; transform-origin CSS sarebbe
     ignorato. La transizione si applica all'attributo transform nei browser
     moderni (SVG2). */
  transition: transform 0.5s cubic-bezier(0.4, 0.0, 0.2, 1);
}
.ago-stilo {
  fill: var(--inchiostro);
}
.ago-coda {
  fill: var(--inchiostro-tenue);
  opacity: 0.85;
}
.ago-pivot-base {
  fill: var(--oro-tenue);
  stroke: var(--inchiostro);
  stroke-width: 0.7;
}
.ago-pivot-occhio {
  fill: var(--inchiostro);
}
.lettura-barometro {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.grado-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 28px;
  color: var(--rosso-ossido);
  font-weight: 500;
}
.grado-nome {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 18px;
  color: var(--inchiostro-tenue);
  letter-spacing: 0.02em;
}

/* registro */
.registro-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
#registro-nota {
  flex: 1;
  border: 1px solid var(--inchiostro-tenue);
  background: var(--carta);
  padding: 8px 12px;
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 16px;
  color: var(--inchiostro);
  border-radius: 0;
}
#registro-nota::placeholder {
  color: var(--inchiostro-fioco);
  font-style: italic;
}
#registro-nota:focus {
  outline: 0;
  border-color: var(--rosso-ossido);
  box-shadow: inset 0 0 0 1px var(--rosso-ossido);
}

.btn-incisione {
  font-family: "Cormorant SC", serif;
  font-size: 12px;
  letter-spacing: 0.20em;
  padding: 8px 16px;
  border: 1px solid var(--inchiostro);
  background: var(--carta-foglio);
  text-transform: lowercase;
  transition: background 0.3s, color 0.3s;
}
.btn-incisione:hover {
  background: var(--inchiostro);
  color: var(--carta);
}

.registro-elenco {
  display: grid;
  gap: 6px;
}
.registro-voce {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: baseline;
  padding: 8px 10px;
  border: 1px solid rgba(26, 20, 16, 0.12);
  background: rgba(255, 248, 226, 0.5);
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s;
}
.registro-voce:hover {
  background: rgba(212, 168, 80, 0.15);
  border-color: var(--oro-tenue);
}
.registro-voce-data {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.10em;
  color: var(--inchiostro-fioco);
  text-transform: uppercase;
}
.registro-voce-nota {
  font-style: italic;
  color: var(--inchiostro);
}
.registro-voce-venti {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--rosso-ossido);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.registro-voce-elimina {
  font-family: "Cormorant Garamond", serif;
  font-size: 14px;
  font-style: italic;
  color: var(--inchiostro-fioco);
  cursor: pointer;
  padding: 0 4px;
}
.registro-voce-elimina:hover { color: var(--rosso-ossido); }

.registro-vuoto {
  font-style: italic;
  color: var(--inchiostro-fioco);
  font-size: 14px;
  text-align: center;
  padding: 16px 0;
}

/* ----- colophon ----- */

.colophon {
  text-align: center;
  font-size: 13px;
  color: var(--inchiostro-tenue);
  padding: 20px 0 0;
}
.colophon-riga {
  width: 200px;
  height: 1px;
  background: var(--inchiostro-tenue);
  opacity: 0.35;
  margin: 0 auto 18px;
}
.colophon p { margin-bottom: 4px; }
.colophon .firma {
  font-style: italic;
  font-size: 14px;
  color: var(--inchiostro);
  margin-top: 8px;
}
.colophon .tecnica {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--inchiostro-fioco);
  margin-top: 12px;
}
.colophon .anno {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  letter-spacing: 0.10em;
}

/* ----- mobile ----- */

@media (max-width: 640px) {
  main.atelier { padding: 40px 18px 56px; gap: 36px; }
  .scheda-container { padding: 24px 22px; }
  .strumenti { padding: 20px 22px; }
  .scheda-titolo { font-size: 38px; }
  .scheda-paragrafo.prosa { font-size: 17.5px; }
}

@media (prefers-reduced-motion: reduce) {
  .petalo.attivo.petalo-chiaro,
  .petalo.attivo.petalo-scuro { animation: none; }
  #ago-barometro { transition: transform 0.2s linear; }
}