/*
 * MegaEngine DanceRelay — design system condiviso (base.css)
 * Mobile-first, accessibile (AA), prefers-reduced-motion rispettato.
 */

:root {
  /* Palette — Fluent (Microsoft Fluent 2): blu brand, accento berry,
     neutri caldi-freddi e semantici Fluent. Contrasti verificati AA. */
  --medr-bg: #FAF9F8;
  --medr-surface: #FFFFFF;
  --medr-text: #242424;
  --medr-text-soft: #424242;
  --medr-primary: #0F6CBD;
  --medr-primary-dark: #115EA3;
  --medr-primary-soft: #EBF3FC;
  --medr-secondary: #9B2C8E;
  --medr-secondary-soft: #F7E7F5;
  --medr-ok: #107C10;
  --medr-ok-soft: #DFF6DD;
  --medr-warn: #F7630C;
  --medr-warn-soft: #FFF4CE;
  --medr-danger: #D13438;
  --medr-danger-soft: #FDE7E9;
  --medr-border: #E1DFDD;
  --medr-border-strong: #C8C6C4;

  /* Forme */
  --medr-radius-card: 14px;
  --medr-radius-pill: 999px;
  --medr-radius-field: 10px;

  /* Ombre morbide */
  --medr-shadow-1: 0 1px 2px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.06);
  --medr-shadow-2: 0 4px 12px rgba(0, 0, 0, 0.08), 0 12px 32px rgba(0, 0, 0, 0.10);

  /* Tipografia di sistema */
  --medr-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";

  /* Interazione */
  --medr-touch: 44px;
  --medr-focus: #9B2C8E;

  /* ---- Mesh & soft gradient -------------------------------------------
     Macchie di colore molto diluite che si fondono fra loro: danno
     profondità senza mai entrare in competizione col testo sopra.
     Le opacità restano basse perché il contrasto AA va preservato. */
  --medr-grad-primary: linear-gradient(135deg, #0F6CBD 0%, #115EA3 100%);
  --medr-grad-primary-hover: linear-gradient(135deg, #115EA3 0%, #0C3B5E 100%);
  --medr-grad-accent: linear-gradient(135deg, #9B2C8E 0%, #7A2470 100%);
  /* Superficie: bianco che sfuma appena, per staccare le card dal fondo. */
  --medr-grad-surface: linear-gradient(180deg, #FFFFFF 0%, #FCFBFB 100%);
  /* Mesh di pagina: tenue, sta dietro a paragrafi interi. */
  --medr-mesh-page:
    radial-gradient(72% 55% at 6% 0%, rgba(15, 108, 189, 0.07) 0%, transparent 62%),
    radial-gradient(58% 46% at 96% 6%, rgba(155, 44, 142, 0.06) 0%, transparent 60%),
    radial-gradient(64% 52% at 52% 100%, rgba(15, 108, 189, 0.05) 0%, transparent 66%);
  /* Mesh d'apertura: più presente, solo dietro titoli e pulsanti. */
  --medr-mesh-hero:
    radial-gradient(58% 52% at 88% -4%, rgba(15, 108, 189, 0.20) 0%, transparent 66%),
    radial-gradient(46% 44% at 2% 12%, rgba(155, 44, 142, 0.15) 0%, transparent 66%),
    radial-gradient(42% 40% at 68% 92%, rgba(16, 124, 16, 0.08) 0%, transparent 64%),
    radial-gradient(50% 46% at 30% 60%, rgba(15, 108, 189, 0.08) 0%, transparent 68%);
  /* Mesh d'accento: chiusure di pagina e inviti all'azione. */
  --medr-mesh-accent:
    radial-gradient(60% 60% at 12% 0%, rgba(155, 44, 142, 0.16) 0%, transparent 68%),
    radial-gradient(55% 55% at 92% 20%, rgba(15, 108, 189, 0.16) 0%, transparent 66%),
    radial-gradient(45% 45% at 50% 110%, rgba(155, 44, 142, 0.10) 0%, transparent 70%);
}

/* ---------- Reset leggero ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--medr-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--medr-text);
  background-color: var(--medr-bg);
  background-image: var(--medr-mesh-page);
  background-repeat: no-repeat;
  background-size: cover;
  -webkit-font-smoothing: antialiased;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

h1,
h2,
h3,
h4,
p {
  margin: 0 0 0.6em;
  overflow-wrap: break-word;
}

h1 {
  font-size: 1.9rem;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.45rem;
  line-height: 1.25;
  font-weight: 750;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

a {
  color: var(--medr-secondary);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--medr-primary-dark);
}

ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.3em;
}

/* ---------- Focus visibile SEMPRE ---------- */

:focus {
  outline: 2px solid var(--medr-focus);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--medr-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Utility ---------- */

.medr-container {
  width: 100%;
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: 20px;
}

.medr-visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.medr-skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--medr-secondary);
  color: #fff;
  border-radius: var(--medr-radius-pill);
  transition: top 0.15s ease;
}

.medr-skip-link:focus {
  top: 12px;
  color: #fff;
}

/* ---------- Bottoni (pill, touch ≥44px) ---------- */

.medr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--medr-touch);
  padding: 10px 24px;
  border: 2px solid transparent;
  border-radius: var(--medr-radius-pill);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  background: var(--medr-surface);
  color: var(--medr-text);
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease,
    box-shadow 0.15s ease, transform 0.15s ease;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.medr-btn:hover {
  transform: translateY(-1px);
}

.medr-btn:active {
  transform: translateY(0);
}

.medr-btn[disabled],
.medr-btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  pointer-events: none;
}

.medr-btn-primary {
  background: var(--medr-grad-primary);
  color: #fff;
  box-shadow: var(--medr-shadow-1);
}

.medr-btn-primary:hover {
  background: var(--medr-grad-primary-hover);
  color: #fff;
  box-shadow: var(--medr-shadow-2);
}

.medr-btn-secondary {
  background: transparent;
  color: var(--medr-secondary);
  border-color: var(--medr-secondary);
}

.medr-btn-secondary:hover {
  background: var(--medr-secondary-soft);
  color: var(--medr-secondary);
}

.medr-btn-ghost {
  background: transparent;
  color: var(--medr-secondary);
}

.medr-btn-ghost:hover {
  background: var(--medr-secondary-soft);
  color: var(--medr-secondary);
}

.medr-btn-danger {
  background: var(--medr-danger);
  color: #fff;
}

.medr-btn-danger:hover {
  background: #A4262C;
  color: #fff;
}

.medr-btn-lg {
  padding: 14px 32px;
  font-size: 1.05rem;
}

.medr-btn-block {
  width: 100%;
}

/* Spinner dentro un bottone in caricamento */
.medr-btn .medr-spinner {
  display: none;
}

.medr-btn.is-loading .medr-spinner {
  display: inline-block;
}

.medr-btn.is-loading {
  pointer-events: none;
  opacity: 0.8;
}

.medr-spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255, 255, 255, 0.35);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: medr-spin 0.8s linear infinite;
  flex: none;
}

.medr-spinner-dark {
  border-color: rgba(0, 0, 0, 0.2);
  border-top-color: var(--medr-secondary);
}

@keyframes medr-spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- Card ---------- */

.medr-card {
  background-color: var(--medr-surface);
  background-image: var(--medr-grad-surface);
  border: 1px solid var(--medr-border);
  border-radius: var(--medr-radius-card);
  box-shadow: var(--medr-shadow-1);
  padding: 20px;
}

/* ---------- Badge / chip ---------- */

.medr-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: var(--medr-radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--medr-secondary-soft);
  color: var(--medr-secondary);
  line-height: 1.3;
}

.medr-badge-ok {
  background: var(--medr-ok-soft);
  color: #0B5A0B;
}

.medr-badge-warn {
  background: var(--medr-warn-soft);
  color: #8A3707;
}

.medr-badge-danger {
  background: var(--medr-danger-soft);
  color: #A4262C;
}

.medr-badge-primary {
  background: var(--medr-primary-soft);
  color: var(--medr-primary-dark);
}

/* ---------- Form ---------- */

.medr-field {
  margin-bottom: 18px;
}

.medr-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 650;
  font-size: 0.95rem;
}

.medr-hint {
  display: block;
  margin-top: 5px;
  font-size: 0.85rem;
  color: var(--medr-text-soft);
}

.medr-input,
.medr-select,
.medr-textarea {
  display: block;
  width: 100%;
  min-height: var(--medr-touch);
  padding: 10px 14px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--medr-text);
  background: var(--medr-surface);
  border: 1.5px solid var(--medr-border-strong);
  border-radius: var(--medr-radius-field);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.medr-input:focus,
.medr-select:focus,
.medr-textarea:focus {
  border-color: var(--medr-secondary);
  outline: 2px solid var(--medr-focus);
  outline-offset: 2px;
}

.medr-input[aria-invalid="true"],
.medr-textarea[aria-invalid="true"] {
  border-color: var(--medr-danger);
}

.medr-field-error {
  display: block;
  margin-top: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--medr-danger);
}

.medr-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.medr-checkbox-row input[type="checkbox"] {
  width: 22px;
  height: 22px;
  margin-top: 3px;
  accent-color: var(--medr-primary-dark);
  flex: none;
}

.medr-checkbox-row label {
  font-size: 0.95rem;
}

/* ---------- Alert inline ---------- */

.medr-alert {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 16px;
  border-radius: var(--medr-radius-card);
  font-size: 0.95rem;
  border: 1px solid transparent;
  margin-bottom: 16px;
}

.medr-alert-ok {
  background: var(--medr-ok-soft);
  border-color: #A7D8A7;
  color: #0B5A0B;
}

.medr-alert-warn {
  background: var(--medr-warn-soft);
  border-color: #F5D9A0;
  color: #8A3707;
}

.medr-alert-err {
  background: var(--medr-danger-soft);
  border-color: #B4D6FA;
  color: #A4262C;
}

/* ---------- Toast ---------- */

.medr-toast-region {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(92vw, 420px);
  pointer-events: none;
}

.medr-toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: var(--medr-radius-card);
  background: var(--medr-text);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: var(--medr-shadow-2);
  animation: medr-toast-in 0.25s ease;
}

.medr-toast-ok {
  background: var(--medr-ok);
}

.medr-toast-warn {
  background: var(--medr-warn);
}

.medr-toast-err {
  background: var(--medr-danger);
}

.medr-toast.is-leaving {
  animation: medr-toast-out 0.25s ease forwards;
}

@keyframes medr-toast-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes medr-toast-out {
  to {
    opacity: 0;
    transform: translateY(12px);
  }
}

/* ---------- Progress bar ---------- */

.medr-progress {
  width: 100%;
  height: 10px;
  border-radius: var(--medr-radius-pill);
  background: var(--medr-secondary-soft);
  overflow: hidden;
}

.medr-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: var(--medr-radius-pill);
  background: linear-gradient(90deg, var(--medr-primary), var(--medr-primary-dark));
  transition: width 0.25s ease;
}

/* ---------- Details / summary ---------- */

details.medr-details {
  background: var(--medr-surface);
  border: 1px solid var(--medr-border);
  border-radius: var(--medr-radius-card);
  padding: 0;
}

details.medr-details > summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 46px 16px 20px;
  font-weight: 700;
  position: relative;
  min-height: var(--medr-touch);
  display: flex;
  align-items: center;
  border-radius: var(--medr-radius-card);
}

details.medr-details > summary::-webkit-details-marker {
  display: none;
}

details.medr-details > summary::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2.5px solid var(--medr-secondary);
  border-bottom: 2.5px solid var(--medr-secondary);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s ease;
}

details.medr-details[open] > summary::after {
  transform: translateY(-30%) rotate(-135deg);
}

details.medr-details > .medr-details-body {
  padding: 0 20px 18px;
  color: var(--medr-text-soft);
}

/* ---------- Riduzione del movimento ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}