/* ── Design system – Meet26 pubblico ─────────────────────────────────────── */

:root {
  --c-bg:          #0d1117;
  --c-surface:     #161b22;
  --c-border:      #30363d;
  --c-text:        #e6edf3;
  --c-muted:       #8b949e;
  --c-accent:      #58a6ff;
  --c-accent-dark: #1f6feb;
  --c-success:     #3fb950;
  --c-danger:      #f85149;
  --c-warning:     #d29922;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Consolas, monospace;

  --radius: 6px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.4);
  --transition: 150ms ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Header ──────────────────────────────────────────────────────────────── */

.site-header {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: 1rem;
}

.site-header__logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--c-text);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.site-header__logo span { color: var(--c-accent); }

.site-header__nav { display: flex; gap: 1.5rem; }
.site-header__nav a { color: var(--c-muted); font-size: .9rem; }
.site-header__nav a:hover { color: var(--c-text); text-decoration: none; }

/* ── Join pages header ───────────────────────────────────────────────────── */

.join-header {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.join-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.join-header__brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  min-width: 0;
}

.join-header__logo-img {
  height: 70px;
  width: auto;
  flex-shrink: 0;
}

.join-header__title {
  font-size: 1.2rem;
  color: var(--c-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.join-header__back {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--c-muted);
  font-size: .88rem;
  white-space: nowrap;
  flex-shrink: 0;
  text-decoration: none;
  transition: color 150ms ease;
}

.join-header__back:hover { color: var(--c-text); }

.join-header__back-arrow { font-size: 1.05em; line-height: 1; }

@media (max-width: 480px) {
  .join-header__inner       { height: 56px; }
  .join-header__logo-img    { height: 56px; width: auto; }
  .join-header__back-text   { display: none; }

  .join-header__back {
    width: 36px;
    height: 36px;
    justify-content: center;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    font-size: 1.2rem;
  }
}

/* ── Hero ────────────────────────────────────────────────────────────────── */

.hero {
  background: linear-gradient(160deg, #0d1117 0%, #161b22 60%, #1a2535 100%);
  padding: 5rem 1.5rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(88,166,255,.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__eyebrow {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  max-width: 800px;
  margin: 0 auto 1rem;
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--c-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero__meta {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero__meta-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--c-muted);
  font-size: .95rem;
}

.hero__meta-item strong { color: var(--c-text); }

.hero__cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Bottoni ─────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .6rem 1.4rem;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: opacity var(--transition), background var(--transition);
  text-decoration: none;
}

.btn:hover { opacity: .85; text-decoration: none; }

.btn--primary {
  background: var(--c-accent);
  color: #0d1117;
  border-color: var(--c-accent);
}

.btn--outline {
  background: transparent;
  color: var(--c-text);
  border-color: var(--c-border);
}

.btn--outline:hover { border-color: var(--c-accent); color: var(--c-accent); }

.btn--lg { padding: .8rem 2rem; font-size: 1.05rem; }
.btn--sm { padding: .35rem .9rem; font-size: .85rem; }
.btn--danger { background: var(--c-danger); color: #fff; border-color: var(--c-danger); }

/* ── Sezioni ─────────────────────────────────────────────────────────────── */

.section {
  padding: 4rem 1.5rem;
}

.section--alt { background: var(--c-surface); }

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.section__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: .5rem;
}

.section__lead {
  color: var(--c-muted);
  margin-bottom: 2.5rem;
}

/* ── Card info evento ────────────────────────────────────────────────────── */

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.info-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.info-card__icon {
  font-size: 1.5rem;
  margin-bottom: .75rem;
}

.info-card__title {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: .25rem;
}

.info-card__value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-text);
}

.info-card__sub {
  font-size: .85rem;
  color: var(--c-muted);
  margin-top: .2rem;
}

/* ── Mappa ───────────────────────────────────────────────────────────────── */

#map {
  height: 360px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  overflow: hidden;
}

/* ── Lista partecipanti ──────────────────────────────────────────────────── */

.attendees-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: .75rem;
}

.attendee-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: .9rem 1rem;
}

.attendee-card__name {
  font-weight: 600;
  font-size: .9rem;
}

.attendee-card__detail {
  font-size: .8rem;
  color: var(--c-muted);
  margin-top: .15rem;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--c-border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--c-muted);
  font-size: .85rem;
}

.site-footer a { color: var(--c-muted); }
.site-footer a:hover { color: var(--c-text); }

/* ── Banner ──────────────────────────────────────────────────────────────── */

.banner {
  background: var(--c-accent-dark);
  color: var(--c-text);
  text-align: center;
  padding: .7rem 1.5rem;
  font-size: .9rem;
  font-weight: 500;
}

/* ── Alert flash ─────────────────────────────────────────────────────────── */

.alert {
  padding: .85rem 1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  margin-bottom: 1rem;
  font-size: .9rem;
}

.alert--success { background: rgba(63,185,80,.15); border-color: var(--c-success); color: var(--c-success); }
.alert--danger  { background: rgba(248,81,73,.15);  border-color: var(--c-danger);  color: var(--c-danger);  }
.alert--warning { background: rgba(210,153,34,.15); border-color: var(--c-warning); color: var(--c-warning); }
.alert--info    { background: rgba(88,166,255,.1);  border-color: var(--c-accent);  color: var(--c-accent);  }

/* ── Form ────────────────────────────────────────────────────────────────── */

.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-size: .9rem;
  font-weight: 500;
  margin-bottom: .35rem;
  color: var(--c-text);
}

.form-label--req::after { content: " *"; color: var(--c-danger); }

.form-control {
  width: 100%;
  padding: .55rem .85rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text);
  font-size: .95rem;
  font-family: var(--font);
  transition: border-color var(--transition);
  appearance: none;
}

.form-control:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(88,166,255,.15);
}

.form-control::placeholder { color: var(--c-muted); }

.form-hint {
  font-size: .8rem;
  color: var(--c-muted);
  margin-top: .3rem;
}

.form-divider {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 1.25rem 0 1rem;
  color: var(--c-muted);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--c-border);
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  margin-bottom: .75rem;
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  min-width: 16px;
  margin-top: .2rem;
  accent-color: var(--c-accent);
  cursor: pointer;
}

.form-check label {
  font-size: .9rem;
  color: var(--c-text);
  cursor: pointer;
  line-height: 1.5;
}

/* ── Wizard steps ────────────────────────────────────────────────────────── */

.wizard {
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.wizard-steps {
  display: flex;
  align-items: center;
  margin-bottom: 2.5rem;
  gap: 0;
}

.wizard-step {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex: 1;
}

.wizard-step__num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
  border: 2px solid var(--c-border);
  color: var(--c-muted);
  background: var(--c-bg);
}

.wizard-step__label {
  font-size: .8rem;
  color: var(--c-muted);
  white-space: nowrap;
}

.wizard-step--active .wizard-step__num {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #0d1117;
}

.wizard-step--active .wizard-step__label { color: var(--c-text); font-weight: 600; }

.wizard-step--done .wizard-step__num {
  background: var(--c-success);
  border-color: var(--c-success);
  color: #0d1117;
}

.wizard-connector {
  flex: 1;
  height: 2px;
  background: var(--c-border);
  margin: 0 .5rem;
}

.wizard-connector--done { background: var(--c-success); }

.wizard-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.wizard-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

/* ── TomSelect dark theme ────────────────────────────────────────────────── */

.ts-wrapper { width: 100%; }

.ts-wrapper .ts-control {
  background-color: var(--c-bg) !important;
  border: 1px solid var(--c-border) !important;
  border-radius: var(--radius);
  color: var(--c-text) !important;
  font-size: .95rem;
  padding: .55rem .85rem;
  box-shadow: none !important;
  cursor: pointer;
  min-height: unset;
  gap: .35rem;
  flex-wrap: wrap;
}

.ts-wrapper.focus .ts-control,
.ts-wrapper.input-active .ts-control {
  border-color: var(--c-accent) !important;
  box-shadow: 0 0 0 3px rgba(88,166,255,.15) !important;
  outline: none;
}

.ts-wrapper .ts-control input {
  color: var(--c-text) !important;
  font-size: .95rem;
}

.ts-wrapper .ts-control input::placeholder { color: var(--c-muted); }

.ts-dropdown,
.ts-dropdown.single {
  background-color: var(--c-surface) !important;
  border: 1px solid var(--c-border) !important;
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  color: var(--c-text);
  font-size: .9rem;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  z-index: 100;
}

.ts-dropdown .option {
  padding: .5rem .85rem;
  cursor: pointer;
  color: var(--c-text) !important;
  background-color: transparent !important;
}

.ts-dropdown .option:hover,
.ts-dropdown .option.active {
  background-color: rgba(88,166,255,.15) !important;
  color: var(--c-text) !important;
}

.ts-dropdown .no-results {
  color: var(--c-muted);
  padding: .5rem .85rem;
  font-size: .85rem;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  .hero { padding: 3rem 1rem 2.5rem; }
  .wizard-step__label { display: none; }
  .wizard-card { padding: 1.25rem; }
  .site-header__nav { display: none; }
}