/* ─── FONT FACE — Schnyder (titoli) ─── */
  @font-face {
    font-family: 'Schnyder';
    src: url('/assets/fonts/Schnyder/SchnyderM-Light-Web.woff2') format('woff2'),
         url('/assets/fonts/Schnyder/SchnyderM-Light-Web.woff') format('woff');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
  }
  @font-face {
    font-family: 'Schnyder';
    src: url('/assets/fonts/Schnyder/SchnyderM-LightItalic-Web.woff2') format('woff2'),
         url('/assets/fonts/Schnyder/SchnyderM-LightItalic-Web.woff') format('woff');
    font-weight: 300;
    font-style: italic;
    font-display: swap;
  }
  @font-face {
    font-family: 'Schnyder';
    src: url('/assets/fonts/Schnyder/SchnyderM-Demi-Web.woff2') format('woff2'),
         url('/assets/fonts/Schnyder/SchnyderM-Demi-Web.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
  }
  @font-face {
    font-family: 'Schnyder';
    src: url('/assets/fonts/Schnyder/SchnyderM-DemiItalic-Web.woff2') format('woff2'),
         url('/assets/fonts/Schnyder/SchnyderM-DemiItalic-Web.woff') format('woff');
    font-weight: 500;
    font-style: italic;
    font-display: swap;
  }
  @font-face {
    font-family: 'Schnyder';
    src: url('/assets/fonts/Schnyder/SchnyderM-Bold-Web.woff2') format('woff2'),
         url('/assets/fonts/Schnyder/SchnyderM-Bold-Web.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
  }

  /* ─── FONT FACE — Scandia (corpo) ─── */
  @font-face {
    font-family: 'Scandia';
    src: url('/assets/fonts/Scandia/ScandiaWebLight.woff2') format('woff2'),
         url('/assets/fonts/Scandia/ScandiaWebLight.woff') format('woff');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
  }
  @font-face {
    font-family: 'Scandia';
    src: url('/assets/fonts/Scandia/ScandiaWebRegular.woff2') format('woff2'),
         url('/assets/fonts/Scandia/ScandiaWebRegular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
  }
  @font-face {
    font-family: 'Scandia';
    src: url('/assets/fonts/Scandia/ScandiaWebRegularItalic.woff2') format('woff2'),
         url('/assets/fonts/Scandia/ScandiaWebRegularItalic.woff') format('woff');
    font-weight: 400;
    font-style: italic;
    font-display: swap;
  }
  @font-face {
    font-family: 'Scandia';
    src: url('/assets/fonts/Scandia/ScandiaWebMedium.woff2') format('woff2'),
         url('/assets/fonts/Scandia/ScandiaWebMedium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
  }
  @font-face {
    font-family: 'Scandia';
    src: url('/assets/fonts/Scandia/ScandiaWebBold.woff2') format('woff2'),
         url('/assets/fonts/Scandia/ScandiaWebBold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
  }

  /* ─── RESET & BASE ─── */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --navy:    #003349;
    --black:   #0A0A0A;
    --white:   #FFFFFF;
    --surface: #F5F4F2;
    --muted:   #6B7060;
    --border:  #D8D5CF;
    --font-serif: 'Schnyder', Georgia, serif;
    --font-sans:  'Scandia', system-ui, sans-serif;
  }

  html { font-size: 16px; }

  body {
    font-family: var(--font-sans);
    background: var(--white);
    color: var(--black);
    line-height: 1.6;
    min-height: 100vh;
  }

  /* Guard anti overflow orizzontale (rete di sicurezza; nav è position:fixed, nessun sticky) */
  html, body { overflow-x: hidden; }

  /* ─── TYPOGRAPHY ─── */
  .t-display {
    font-family: var(--font-serif);
    font-weight: 300;
    letter-spacing: -0.03em;
    line-height: 1.05;
  }
  .t-heading {
    font-family: var(--font-serif);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.15;
  }
  .t-label {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .t-body { font-family: var(--font-sans); font-weight: 400; line-height: 1.65; }
  .heading-display { font-family: var(--font-serif); font-size: clamp(36px, 4vw, 56px); font-weight: 300; letter-spacing: -0.03em; line-height: 1.1; }
  .heading-section  { font-family: var(--font-serif); font-size: clamp(24px, 3vw, 36px); font-weight: 300; letter-spacing: -0.02em; line-height: 1.2; }
  .heading-card     { font-family: var(--font-serif); font-size: clamp(18px, 2vw, 24px); font-weight: 400; line-height: 1.3; }
  .text-eyebrow     { font-family: var(--font-sans); font-size: 11px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

  /* ─── LAYOUT ─── */
  .container { max-width: 1120px; margin: 0 auto; padding: 0 40px; }
  .container-sm { max-width: 640px; margin: 0 auto; padding: 0 40px; }

  /* ─── NAVIGATION ─── */
  .nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--border);
  }
  .nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
    max-width: 1120px; margin: 0 auto; padding: 0 40px;
  }
  .nav-logo { cursor: pointer; display: flex; align-items: center; }
  .nav-logo svg { height: 18px; width: auto; }
  .nav-links { display: flex; gap: 32px; align-items: center; }
  .nav-link {
    font-size: 12px; font-weight: 500; letter-spacing: 0.06em;
    text-transform: uppercase; color: var(--black);
    text-decoration: none; cursor: pointer;
    transition: color 0.15s ease;
  }
  .nav-link:hover { color: var(--navy); }
  .nav-link.active { color: var(--navy); }
  .nav-badge {
    background: var(--navy); color: var(--white);
    font-size: 10px; font-weight: 600; letter-spacing: 0.05em;
    padding: 2px 8px; text-transform: uppercase;
    margin-left: 8px;
  }

  /* ─── BUTTONS ─── */
  .btn {
    display: inline-flex; align-items: center; justify-content: center;
    font-family: var(--font-sans); font-size: 12px; font-weight: 500;
    letter-spacing: 0.08em; text-transform: uppercase;
    cursor: pointer; border: none; text-decoration: none;
    transition: all 0.2s ease;
    padding: 14px 32px;
  }
  .btn-primary {
    background: var(--navy); color: var(--white);
  }
  .btn-primary:hover { background: #004d70; }
  .btn-secondary {
    background: transparent; color: var(--navy);
    border: 1px solid var(--navy);
  }
  .btn-secondary:hover { background: var(--navy); color: var(--white); }
  .btn-ghost {
    background: transparent; color: var(--muted);
    border: 1px solid var(--border);
  }
  .btn-ghost:hover { border-color: var(--navy); color: var(--navy); }
  .btn-sm { padding: 10px 20px; font-size: 11px; }
  .btn-lg { padding: 18px 48px; font-size: 13px; }

  /* ─── DIVIDER ─── */
  .divider { height: 1px; background: var(--border); }
  .divider-navy { height: 1px; background: var(--navy); }

  /* ─── FORMS ─── */
  .form-group { margin-bottom: 24px; }
  .form-label {
    display: block; margin-bottom: 6px;
    font-size: 11px; font-weight: 500; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--muted);
  }
  .form-input {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-sans); font-size: 14px; color: var(--black);
    background: var(--white);
    border: 1px solid var(--border);
    outline: none;
    transition: border-color 0.15s ease;
    appearance: none;
  }
  .form-input:focus { border-color: var(--navy); }
  .form-input::placeholder { color: var(--border); }
  .pw-wrapper { position: relative; }
  .pw-wrapper .form-input { padding-right: 46px; }
  .pw-toggle {
    position: absolute; top: 0; right: 0; height: 100%;
    width: 44px; display: flex; align-items: center; justify-content: center;
    background: none; border: none; padding: 0; cursor: pointer;
    color: var(--muted); transition: color 0.15s ease;
  }
  .pw-toggle:hover { color: var(--navy); }
  .pw-toggle svg { display: block; width: 20px; height: 20px; }
  .pw-toggle .icon-off { display: none; }
  .pw-toggle.is-visible .icon-on { display: none; }
  .pw-toggle.is-visible .icon-off { display: block; }
  .tel-wrapper { display:flex; align-items:stretch; border:1px solid var(--border); transition:border-color 0.15s ease; }
  .tel-wrapper.focused { border-color: var(--navy); }
  .tel-prefix-input { width:56px; padding:0 10px; background:var(--surface); border:none; border-right:1px solid var(--border); font-family:var(--font-sans); font-size:13px; color:var(--black); text-align:center; outline:none; cursor:text; }
  .tel-prefix-input::placeholder { color:var(--border); }
  .tel-input { flex:1; padding:12px 16px; font-family:var(--font-sans); font-size:14px; color:var(--black); background:var(--white); border:none; outline:none; }
  .tel-input::placeholder { color:var(--border); }
  .form-select {
    width: 100%; padding: 12px 16px;
    font-family: var(--font-sans); font-size: 14px; color: var(--black);
    background: var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23003349' stroke-width='1.5' fill='none'/%3E%3C/svg%3E") no-repeat right 16px center;
    border: 1px solid var(--border);
    outline: none;
    cursor: pointer;
    appearance: none;
    transition: border-color 0.15s ease;
  }
  .form-select:focus { border-color: var(--navy); }
  .form-textarea {
    width: 100%; padding: 12px 16px; min-height: 100px;
    font-family: var(--font-sans); font-size: 14px; color: var(--black);
    background: var(--white); border: 1px solid var(--border);
    outline: none; resize: vertical;
    transition: border-color 0.15s ease;
  }
  .form-textarea:focus { border-color: var(--navy); }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .form-row-3 { grid-template-columns: 1fr 1fr 2fr; }
  .form-hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
  .reg-age-notice {
    font-family: var(--font-sans); font-size: 12px; color: var(--muted);
    border-left: 2px solid var(--navy); padding: 8px 12px;
    margin-bottom: 24px; background: var(--surface);
  }
  .form-error { display: block; font-family: var(--font-sans); font-size: 11px; color: #991B1B; margin-top: 6px; }
  .req { color: #dc2626; margin-left: 2px; }
  .form-checkbox { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
  .form-checkbox input[type="checkbox"] {
    flex-shrink: 0; width: 16px; height: 16px; margin-top: 2px;
    cursor: pointer; accent-color: var(--navy);
  }
  .form-checkbox label { font-size: 13px; color: var(--black); cursor: pointer; line-height: 1.5; }
  .form-checkbox label a { color: var(--navy); text-decoration: underline; }

  /* Upload zone */
  .upload-zone {
    border: 1px dashed var(--border);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--surface);
  }
  .upload-zone:hover { border-color: var(--navy); background: #EBF0F2; }
  .upload-zone.dragover { border-color: var(--navy); background: #EBF0F2; }
  .upload-icon { font-size: 32px; margin-bottom: 12px; color: var(--muted); }
  .upload-zone input[type="file"] { display: none; }
  .upload-item { border: 1px solid var(--border); border-radius: 8px; padding: 20px; background: var(--white); }
  .btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
  /* Stato "invio in corso": spinner sul pulsante + blocco click (anti doppio-invio) */
  @keyframes btn-spin { to { transform: rotate(360deg); } }
  .btn.is-loading { pointer-events: none; opacity: 0.9; position: relative; color: transparent; }
  .btn.is-loading::after {
    content: ""; position: absolute; width: 16px; height: 16px;
    top: 50%; left: 50%; margin: -8px 0 0 -8px;
    border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff; border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
  }

  /* ─── CARDS ─── */
  .card {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 32px;
  }
  .card-surface {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 32px;
  }

  /* ─── BADGES / STATUS ─── */
  .badge {
    display: inline-flex; align-items: center;
    font-size: 10px; font-weight: 600; letter-spacing: 0.06em;
    text-transform: uppercase; padding: 3px 10px;
  }
  .badge-received { background: var(--navy); color: var(--white); border: 1px solid var(--navy); }
  .badge-incomplete { background: transparent; color: var(--muted); border: 1px solid var(--border); }

  /* ─── PAGE SHELL ─── */
  .page { display: none; padding-top: 64px; min-height: 100vh; }
  .page.active { display: block; }

  /* ════════════════════════════════════════
     HOME PAGE
  ════════════════════════════════════════ */
  .hero {
    background: var(--navy);
    background-image: url('assets/contest_hero_img.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 120px 0 100px;
    position: relative; overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to right, rgba(0,51,73,0.80) 40%, rgba(0,51,73,0.15) 100%);
    pointer-events: none;
  }
  .hero .container { position: relative; z-index: 1; }
  .hero-eyebrow {
    font-size: 16px; font-weight: 500; letter-spacing: 0.2em;
    text-transform: uppercase; color: rgba(255,255,255,0.85);
    margin-bottom: 24px;
    display: flex; align-items: center; gap: 16px;
  }
  .hero-eyebrow::before, .hero-eyebrow::after {
    content: ''; flex: 0 0 32px; height: 1px;
    background: rgba(255,255,255,0.4);
  }
  .hero-title {
    font-family: var(--font-serif);
    font-weight: 300; font-size: clamp(40px, 6vw, 80px);
    letter-spacing: -0.03em; line-height: 0.95;
    color: var(--white);
    margin-bottom: 8px;
    background: linear-gradient(105deg, #B8C4CC 0%, #E4EAED 38%, #C8D2D8 62%, #E4EAED 85%, #B8C4CC 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  @media (prefers-reduced-motion: reduce) {
    .hero-title {
      background: none;
      -webkit-text-fill-color: var(--white);
      color: var(--white);
    }
  }
  .hero-subtitle {
    font-family: var(--font-serif);
    font-style: italic; font-weight: 300;
    font-size: clamp(20px, 3vw, 32px);
    color: rgba(255,255,255,0.6);
    letter-spacing: -0.01em;
    margin-bottom: 48px;
  }
  .hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 48px; }
  .btn-hero-primary {
    background: var(--white); color: var(--navy);
    display: inline-flex; align-items: center;
    font-size: 12px; font-weight: 600; letter-spacing: 0.08em;
    text-transform: uppercase; cursor: pointer;
    padding: 16px 40px; border: none;
    transition: all 0.2s ease;
  }
  .btn-hero-primary:hover { background: var(--surface); }
  .btn-hero-secondary {
    background: transparent; color: rgba(255,255,255,0.8);
    display: inline-flex; align-items: center;
    font-size: 12px; font-weight: 500; letter-spacing: 0.08em;
    text-transform: uppercase; cursor: pointer;
    padding: 16px 40px; border: 1px solid rgba(255,255,255,0.3);
    transition: all 0.2s ease;
  }
  .btn-hero-secondary:hover { border-color: var(--white); color: var(--white); }

  /* Info section */
  .section { padding: 80px 0; }
  .section-label { margin-bottom: 40px; }
  .info-grid { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--border); }
  .info-item { background: var(--white); padding: 40px 32px; }
  .info-num {
    font-family: var(--font-serif); font-weight: 300;
    font-size: 48px; letter-spacing: -0.04em;
    color: var(--navy); display: block; margin-bottom: 8px;
  }
  .info-title { font-size: 17px; font-weight: 600; color: var(--navy); margin-bottom: 8px; }
  .info-text { font-size: 13px; color: var(--muted); line-height: 1.6; }

  /* Steps */
  .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); }
  .step { background: var(--surface); padding: 32px; position: relative; }
  .step-num {
    font-family: var(--font-serif); font-weight: 300;
    font-size: 64px; letter-spacing: -0.06em; line-height: 1;
    color: var(--border); position: absolute; top: 16px; right: 20px;
  }
  .step-title { font-size: 17px; font-weight: 600; color: var(--navy); margin-bottom: 8px; position: relative; z-index: 1; }
  .step-text { font-size: 12px; color: var(--muted); line-height: 1.6; position: relative; z-index: 1; }


  /* ════════════════════════════════════════
     REGISTER & LOGIN
  ════════════════════════════════════════ */
  .auth-layout {
    min-height: calc(100vh - 64px);
    display: grid; grid-template-columns: 1fr 1fr;
  }
  .auth-visual {
    background: var(--navy);
    padding: 80px 60px;
    display: flex; flex-direction: column; justify-content: space-between;
    position: relative; overflow: hidden;
  }
  .auth-visual-title {
    font-family: var(--font-serif); font-weight: 300;
    font-size: 52px; letter-spacing: -0.03em; line-height: 1.05;
    color: var(--white); margin-top: auto;
  }
  .auth-visual-sub {
    font-family: var(--font-serif); font-style: italic;
    font-size: 18px; color: rgba(255,255,255,0.5);
    margin-top: 12px;
  }
  .auth-visual-meta { margin-top: 48px; }
  .auth-visual-stat { margin-bottom: 24px; }
  .auth-visual-stat-num {
    font-family: var(--font-serif); font-weight: 300;
    font-size: 36px; letter-spacing: -0.04em; color: var(--white);
  }
  .auth-visual-stat-label {
    font-size: 11px; font-weight: 500; letter-spacing: 0.08em;
    text-transform: uppercase; color: rgba(255,255,255,0.4);
    margin-top: 2px;
  }
  .auth-form-panel {
    padding: 80px 60px;
    display: flex; flex-direction: column; justify-content: center;
    overflow-y: auto;
  }
  .auth-form-header { margin-bottom: 48px; }
  .auth-form-title {
    font-family: var(--font-serif); font-weight: 400;
    font-size: 36px; letter-spacing: -0.02em; color: var(--black);
    margin-bottom: 8px;
  }
  .auth-form-sub { font-size: 13px; color: var(--muted); }
  .auth-switch { margin-top: 24px; font-size: 13px; color: var(--muted); }
  .auth-switch a { color: var(--navy); cursor: pointer; text-decoration: underline; }

  /* Step indicator */
  .step-indicator { display: flex; align-items: center; gap: 0; margin-bottom: 40px; }
  .step-dot {
    width: 28px; height: 28px; border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 600; color: var(--muted);
    flex-shrink: 0;
  }
  .step-dot.active { background: var(--navy); border-color: var(--navy); color: var(--white); }
  .step-dot.done { background: var(--navy); border-color: var(--navy); color: var(--white); }
  .step-line { flex: 1; height: 1px; background: var(--border); }
  .step-line.done { background: var(--navy); }

  /* ════════════════════════════════════════
     PARTICIPANT DASHBOARD
  ════════════════════════════════════════ */
  .dash-layout { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - 64px); }
  .dash-sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 40px 0;
  }
  .dash-sidebar-user {
    padding: 0 24px 32px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
  }
  .dash-user-name { font-size: 14px; font-weight: 600; color: var(--black); }
  .dash-user-role { font-size: 11px; color: var(--muted); margin-top: 2px; }
  .dash-user-city { font-size: 11px; color: var(--muted); margin-top: 1px; }
  .dash-nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 24px; cursor: pointer;
    font-size: 13px; color: var(--muted);
    transition: all 0.15s ease;
    text-decoration: none;
  }
  .dash-nav-item:hover { color: var(--navy); background: rgba(0,51,73,0.04); }
  .dash-nav-item.active { color: var(--navy); background: rgba(0,51,73,0.06); font-weight: 500; }
  .dash-nav-item svg { flex-shrink: 0; }
  .dash-main { padding: 48px; overflow-y: auto; }
  .dash-header { margin-bottom: 40px; }
  .dash-title { font-family: var(--font-serif); font-size: 32px; font-weight: 400; letter-spacing: -0.02em; }
  .dash-subtitle { font-size: 13px; color: var(--muted); margin-top: 4px; }

  /* Status card */
  .status-card {
    border: 1px solid var(--border);
    padding: 24px 32px;
    display: flex; align-items: center; gap: 24px;
    margin-bottom: 32px;
    background: var(--surface);
  }
  .status-icon { font-size: 32px; }
  .status-info { flex: 1; }
  .status-title { font-size: 14px; font-weight: 600; color: var(--black); }
  .status-desc { font-size: 12px; color: var(--muted); margin-top: 2px; }

  /* Timeline */
  .timeline { margin-top: 16px; }
  .timeline-item { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--border); }
  .timeline-item:last-child { border-bottom: none; }
  .timeline-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--border); flex-shrink: 0; margin-top: 6px;
  }
  .timeline-dot.done { background: var(--navy); }
  .timeline-content { flex: 1; }
  .timeline-label { font-size: 13px; font-weight: 500; color: var(--black); }
  .timeline-date { font-size: 11px; color: var(--muted); margin-top: 2px; }

  /* Upload status */
  .upload-status {
    display: flex; align-items: center; gap: 16px;
    border: 1px solid var(--border); padding: 16px 20px;
    margin-top: 16px;
    background: var(--white);
  }
  .upload-status-icon { font-size: 24px; }
  .upload-status-name { font-size: 13px; font-weight: 500; color: var(--black); }
  .upload-status-size { font-size: 11px; color: var(--muted); }
  .upload-status-action { margin-left: auto; cursor: pointer; font-size: 12px; color: var(--navy); text-decoration: underline; }

  /* Barra di avanzamento upload (transfer file via XHR) */
  .upload-progress { margin-top: 16px; }
  .upload-progress-track {
    height: 8px; border-radius: 999px; overflow: hidden;
    background: var(--surface); border: 1px solid var(--border);
  }
  .upload-progress-fill {
    height: 100%; width: 0; background: var(--navy);
    border-radius: 999px; transition: width 0.15s linear;
  }
  .upload-progress-label { font-size: 12px; color: var(--muted); margin-top: 8px; }
  /* Stato "Elaborazione…": transfer al 100%, si attende la risposta del server (invio SES) */
  @keyframes upload-indeterminate {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
  }
  .upload-progress.is-indeterminate .upload-progress-fill {
    width: 30%; transition: none;
    animation: upload-indeterminate 1.1s ease-in-out infinite;
  }

  /* ════════════════════════════════════════
     ADMIN DASHBOARD
  ════════════════════════════════════════ */
  .admin-layout { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - 64px); }
  .admin-sidebar {
    background: var(--navy);
    padding: 40px 0;
  }
  .admin-sidebar-brand { padding: 0 24px 32px; border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 24px; }
  .admin-sidebar-label {
    font-size: 10px; font-weight: 600; letter-spacing: 0.12em;
    text-transform: uppercase; color: rgba(255,255,255,0.3);
    margin-bottom: 4px;
  }
  .admin-sidebar-title { font-size: 14px; font-weight: 600; color: var(--white); }
  .admin-nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 24px; cursor: pointer;
    font-size: 13px; color: rgba(255,255,255,0.5);
    transition: all 0.15s ease;
  }
  .admin-nav-item:hover { color: var(--white); background: rgba(255,255,255,0.06); }
  .admin-nav-item.active { color: var(--white); background: rgba(255,255,255,0.1); }
  .admin-main { background: var(--surface); padding: 48px; overflow-y: auto; }

  /* Stats row */
  .stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 40px; }
  .stat-card { background: var(--white); border: 1px solid var(--border); padding: 24px; }
  .stat-val {
    font-family: var(--font-serif); font-weight: 300;
    font-size: 48px; letter-spacing: -0.04em;
    color: var(--navy); display: block; line-height: 1;
  }
  .stat-label { font-size: 11px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-top: 8px; }
  .stat-delta { font-size: 11px; color: #065F46; margin-top: 4px; }

  /* Table */
  .table-card { background: var(--white); border: 1px solid var(--border); }
  .table-header-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px; border-bottom: 1px solid var(--border);
  }
  .table-title { font-size: 14px; font-weight: 600; color: var(--black); }
  .table-filters { display: flex; gap: 8px; }
  .filter-btn {
    font-size: 11px; font-weight: 500; letter-spacing: 0.04em;
    padding: 6px 14px; cursor: pointer;
    border: 1px solid var(--border); background: var(--white);
    color: var(--muted); transition: all 0.15s ease;
    font-family: var(--font-sans);
  }
  .filter-btn:hover, .filter-btn.active { border-color: var(--navy); color: var(--navy); background: rgba(0,51,73,0.04); }
  .filter-search {
    font-size: 12px; font-family: var(--font-sans);
    padding: 6px 12px; border: 1px solid var(--border);
    outline: none; width: 200px; color: var(--black);
  }
  .filter-search:focus { border-color: var(--navy); }

  table { width: 100%; border-collapse: collapse; }
  thead th {
    font-size: 10px; font-weight: 600; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--muted);
    text-align: left; padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
  }
  tbody tr { border-bottom: 1px solid var(--border); transition: background 0.1s ease; }
  tbody tr:last-child { border-bottom: none; }
  tbody tr:hover { background: rgba(0,51,73,0.02); }
  tbody td { padding: 14px 16px; font-size: 13px; color: var(--black); vertical-align: middle; }
  .td-name { font-weight: 500; }
  .td-sub { font-size: 11px; color: var(--muted); margin-top: 1px; }
  .td-actions { display: flex; gap: 8px; }
  .action-btn {
    font-size: 11px; font-weight: 500; letter-spacing: 0.04em;
    padding: 5px 12px; cursor: pointer;
    border: 1px solid var(--border); background: var(--white);
    color: var(--muted); font-family: var(--font-sans);
    transition: all 0.15s ease;
  }
  .action-btn:hover { border-color: var(--navy); color: var(--navy); }
  .action-btn-primary {
    background: var(--navy); color: var(--white); border-color: var(--navy);
  }
  .action-btn-primary:hover { background: #004d70; }

  /* Detail panel */
  .detail-panel {
    position: fixed; top: 64px; right: 0; bottom: 0;
    width: min(460px, 100vw); background: var(--white);
    border-left: 1px solid var(--border);
    overflow-y: auto; z-index: 50;
    transform: translateX(100%); transition: transform 0.3s ease;
  }
  .detail-panel.open { transform: translateX(0); }
  .detail-panel-header {
    padding: 24px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; background: var(--white); z-index: 1;
  }
  .detail-close {
    width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
    cursor: pointer; border: 1px solid var(--border); color: var(--muted);
    font-size: 16px; transition: all 0.15s ease;
  }
  .detail-close:hover { border-color: var(--navy); color: var(--navy); }
  .detail-body { padding: 24px; }
  .detail-section { margin-bottom: 32px; }
  .detail-section-label {
    font-size: 10px; font-weight: 600; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--muted); margin-bottom: 16px;
    padding-bottom: 8px; border-bottom: 1px solid var(--border);
  }
  .detail-field { margin-bottom: 12px; display: flex; gap: 8px; }
  .detail-field-key { font-size: 12px; color: var(--muted); width: 120px; flex-shrink: 0; }
  .detail-field-val { font-size: 12px; color: var(--black); font-weight: 500; }
  .file-preview {
    border: 1px solid var(--border); padding: 16px;
    display: flex; align-items: center; gap: 12px;
    background: var(--surface); margin-bottom: 8px;
  }
  .file-icon { font-size: 24px; }
  .file-name { font-size: 12px; font-weight: 500; }
  .file-date { font-size: 11px; color: var(--muted); }
  .file-dl {
    margin-left: auto; font-size: 11px; font-weight: 600;
    color: var(--navy); cursor: pointer; text-decoration: none;
    letter-spacing: 0.04em; text-transform: uppercase;
  }

  /* Toast */
  .toast {
    position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%);
    background: var(--navy); color: var(--white);
    padding: 14px 24px; font-size: 13px;
    opacity: 0; pointer-events: none;
    transition: opacity 0.3s ease; z-index: 999;
  }
  .toast.show { opacity: 1; }

  /* ════════════════════════════════════════
     HAMBURGER / MOBILE MENU
  ════════════════════════════════════════ */
  .nav-hamburger {
    display: none;
    flex-direction: column; justify-content: center; align-items: center;
    width: 40px; height: 40px; cursor: pointer; gap: 5px;
  }
  .nav-hamburger span {
    display: block; width: 22px; height: 1.5px;
    background: var(--navy); transition: all 0.25s ease;
    transform-origin: center;
  }
  .nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-hamburger.open span:nth-child(2) { opacity: 0; }
  .nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .mobile-menu {
    display: none;
    position: fixed; top: 64px; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--border);
    z-index: 99; overflow: hidden;
    max-height: 0; transition: max-height 0.3s ease;
  }
  .mobile-menu.open { max-height: 320px; }
  .mobile-menu-item {
    display: flex; align-items: center;
    padding: 16px 24px;
    font-size: 13px; font-weight: 500; letter-spacing: 0.04em;
    text-transform: uppercase; color: var(--black);
    border-bottom: 1px solid var(--border); cursor: pointer;
    transition: background 0.15s ease;
  }
  .mobile-menu-item:last-child { border-bottom: none; }
  .mobile-menu-item:hover { background: var(--surface); color: var(--navy); }
  .mobile-menu-item .nav-badge { margin-left: 8px; }

  /* Drawer sidebar — attivo solo su mobile, su desktop è normale */
  .sidebar-drawer { transition: transform 0.3s ease; }
  .sidebar-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.4); z-index: 89;
    opacity: 0; transition: opacity 0.3s ease;
  }
  .sidebar-overlay.show { opacity: 1; }

  /* Mobile top bar per dashboard/admin */
  .mobile-topbar {
    display: none;
    align-items: center; justify-content: space-between;
    padding: 0 20px; height: 52px;
    background: var(--surface); border-bottom: 1px solid var(--border);
  }
  .mobile-topbar-title { font-size: 13px; font-weight: 600; color: var(--black); }
  .mobile-menu-trigger {
    display: flex; flex-direction: column; gap: 4px;
    cursor: pointer; padding: 8px;
  }
  .mobile-menu-trigger span {
    display: block; width: 18px; height: 1.5px; background: var(--navy);
  }

  /* ════════════════════════════════════════
     RESPONSIVE — MOBILE ≤ 768px
  ════════════════════════════════════════ */
  @media (max-width: 768px) {

    /* Regolamento: su mobile il PDF in iframe (iOS) non è leggibile → mostra il pannello di fallback */
    .reg-pdf-frame { display: none; }
    .reg-pdf-fallback { display: flex !important; }
    .reg-toolbar { display: none !important; }   /* su mobile i pulsanti stanno solo nel pannello centrale (!important batte lo style inline) */

    /* Nav */
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .mobile-menu { display: block; }
    .nav-inner { padding: 0 20px; }
    .nav-logo { flex: 1; }
    .nav-logo svg { width: 82% !important; height: auto !important; }

    /* Containers */
    .container, .container-sm { padding: 0 20px; }

    /* Hero */
    .hero { padding: 64px 0 56px; }
    .hero-cta { flex-direction: column; }
    .btn-hero-primary, .btn-hero-secondary { width: 100%; justify-content: center; }

    /* Buttons: meno padding orizzontale su mobile → le coppie di pulsanti affiancati (es. Indietro/Continua) stanno in una riga anche a 320px */
    .btn { padding: 14px 20px; }

    /* Info section grid */
    .info-section-grid { grid-template-columns: 1fr !important; gap: 40px !important; }
    .info-grid { grid-template-columns: 1fr; }
    /* Contest page — layout a due colonne → una su mobile */
    #page-contest .container > div[style*="grid-template-columns:200px"] { grid-template-columns: 1fr !important; gap: 24px !important; }
    #page-contest div[style*="grid-template-columns:repeat(4"] { grid-template-columns: 1fr 1fr !important; }
    #page-contest div[style*="grid-template-columns:repeat(3"] { grid-template-columns: 1fr !important; }   /* Come funziona: 3 card una sotto l'altra */
    #page-contest div[style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }

    /* Steps */
    .steps { grid-template-columns: 1fr 1fr; }

    /* Auth */
    .auth-layout { grid-template-columns: minmax(0, 1fr); overflow-x: hidden; }   /* minmax(0,…) toglie il floor min-content → la colonna si restringe al viewport; overflow-x:hidden qui (non solo su body, che iOS Safari ignora) contiene il componente ed evita che il layout viewport si allarghi */
    .auth-form-panel { min-width: 0; }                        /* grid item: può restringersi sotto il min-content dei figli */
    .form-input, .form-select, .form-textarea, .tel-wrapper { min-width: 0; }  /* controlli intrinsecamente larghi (select con opzioni lunghe, tel) si restringono */
    .auth-form-panel .btn { min-width: 0; }                   /* le coppie Indietro/Continua (flex row) possono restringersi invece di sfondare */
    .upload-zone { padding: 28px 20px; }                      /* dropzone meno ingombrante su mobile */
    .auth-visual {
      min-height: auto;
      padding: 32px 24px;
    }
    .auth-visual-title { font-size: 28px; }
    .auth-visual-meta { margin-top: 24px; display: flex; flex-direction: row; flex-wrap: wrap; gap: 0; }
    .auth-visual-stat { margin-bottom: 0; flex: 1 1 50%; padding: 16px 0; border-top: 1px solid rgba(255,255,255,0.15); }
    .auth-visual-stat-num { font-size: 18px; }
    .auth-form-panel { padding: 40px 24px; }

    /* Form */
    .form-row { grid-template-columns: 1fr; }

    /* Dashboard layout */
    .dash-layout { grid-template-columns: 1fr; }
    .mobile-topbar { display: flex; }
    .dash-main { padding: 24px 20px; }

    /* Status card: su mobile stack verticale (icona · testo a tutta larghezza · badge)
       invece delle 3 colonne strette che spezzavano titolo e descrizione */
    .status-card { flex-direction: column; align-items: flex-start; gap: 12px; padding: 20px; }
    .status-info { width: 100%; }
    .status-desc { font-size: 13px; line-height: 1.5; }

    /* Admin layout */
    .admin-layout { grid-template-columns: 1fr; }
    .admin-main { padding: 24px 20px; }

    /* Sidebar come drawer su mobile */
    .sidebar-drawer {
      position: fixed; top: 64px; left: 0; bottom: 0;
      width: 260px; z-index: 90;
      transform: translateX(-100%);
      overflow-y: auto;
    }
    .sidebar-drawer.open { transform: translateX(0); }

    /* Stats */
    .stats-grid { grid-template-columns: 1fr 1fr; }

    /* Table header */
    .table-header-row { flex-direction: column; align-items: flex-start; gap: 12px; }
    .filter-search { width: 100%; }

    /* Detail panel full screen */
    .detail-panel { width: 100%; }

    /* Section padding */
    .section { padding: 48px 0; }

    /* Footer */
    .footer-inner { flex-direction: column; align-items: center; justify-content: center; gap: 16px; text-align: center; }
  }

  @media (max-width: 480px) {
    .steps { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .auth-form-panel { padding: 32px 16px; }
  }