/* styles.css */

:root{
    --radius-xl: 22px;
    --radius-lg: 16px;
    --radius-md: 14px;
  
    --shadow: 0 20px 70px rgba(0,0,0,.18);
    --shadow-soft: 0 10px 40px rgba(0,0,0,.12);
  
    --ring: 0 0 0 5px rgba(0,0,0,.10);
    --ring-dark: 0 0 0 5px rgba(255,255,255,.14);
  
    --ease: cubic-bezier(.2,.8,.2,1);
  }
  
  html, body{
    height: 100%;
    margin: 0;
    overflow: auto;        /* <-- stop scroll */
    overscroll-behavior: none;
    background: var(--bg);
  }
  body {
    margin: 0;
    overflow-x:hidden;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  
    overscroll-behavior: none;
  }
  
  /* =========================
     THEME TOKENS
     ========================= */
  [data-theme="light"]{
    --bg: #f7f7f8;
    --bg2: #ffffff;
  
    --card: rgba(255,255,255,.75);
    --cardBorder: rgba(0,0,0,.08);
  
    --text: rgba(16,16,18,.95);
    --muted: rgba(16,16,18,.62);
    --muted2: rgba(16,16,18,.45);
  
    --field: rgba(0,0,0,.03);
    --fieldBorder: rgba(0,0,0,.10);
  
    --btnBg: #101012;
    --btnText: #ffffff;
  
    --danger: #d7263d;
    --ok: #0f8a5f;
  
    --blob1: rgba(0,0,0,.06);
    --blob2: rgba(0,0,0,.04);
  
    --logoOpacity: .09;
  
    --link: rgba(16,16,18,.78);
    --linkHover: rgba(16,16,18,.95);
  }
  
  [data-theme="dark"]{
    --bg: #0b0c10;
    --bg2: #0f1117;
  
    --card: rgba(255,255,255,.07);
    --cardBorder: rgba(255,255,255,.14);
  
    --text: rgba(255,255,255,.92);
    --muted: rgba(255,255,255,.68);
    --muted2: rgba(255,255,255,.52);
  
    --field: rgba(0,0,0,.22);
    --fieldBorder: rgba(255,255,255,.14);
  
    --btnBg: #ffffff;
    --btnText: #0b0c10;
  
    --danger: #ff5a6a;
    --ok: #21c58a;
  
    --blob1: rgba(255,255,255,.12);
    --blob2: rgba(255,255,255,.08);
  
    --logoOpacity: .14;
  
    --link: rgba(255,255,255,.78);
    --linkHover: rgba(255,255,255,.95);
  }
  
  /* =========================
     LAYOUT
     ========================= */
  
  .page{
    min-height: 100svh;
    min-height: 100dvh;
    min-height: 100vh;
  
    display: flex;
    justify-content: center;
    align-items: center;          /* <-- centra la card */
  
    padding: clamp(14px, 3vh, 28px) clamp(12px, 3vw, 18px);
    padding-top: calc(clamp(14px, 3vh, 28px) + env(safe-area-inset-top));
    padding-bottom: calc(clamp(14px, 3vh, 28px) + env(safe-area-inset-bottom));
    padding-left: calc(clamp(12px, 3vw, 18px) + env(safe-area-inset-left));
    padding-right: calc(clamp(12px, 3vw, 18px) + env(safe-area-inset-right));
  
    overflow: visible;             /* <-- stop scroll interno */
    overscroll-behavior: none;
  
    background:
      radial-gradient(1100px 520px at 18% 12%, var(--blob1), transparent 62%),
      radial-gradient(900px 520px at 86% 18%, var(--blob2), transparent 56%),
      radial-gradient(800px 520px at 50% 96%, var(--blob2), transparent 56%),
      linear-gradient(180deg, var(--bg), var(--bg2));
    color: var(--text);
  }
  
  .shell{
    width: 100%;
    max-width: 420px;
    position: relative;
    transform: none;
  }
  
  .topbar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: 12px;
    margin-bottom: 14px;
  }
  
  .brand{
    display:flex;
    align-items:center;
    gap: 12px;
  }
  
  .logoWrap{
    width: 54px;
    height: 54px;
    border-radius: 18px;
    display:flex;
    align-items:center;
    justify-content:center;
    background: rgba(255,255,255,.08);
    border: 1px solid var(--cardBorder);
    overflow:hidden;
    box-shadow: var(--shadow-soft);
  }
  
  .logoWrap img{
    width: 44px;
    height: 44px;
    object-fit: contain;
    filter: drop-shadow(0 8px 18px rgba(0,0,0,.14));
  }
  
  .brandText h1{
    margin: 0;
    font-size: 18px;
    letter-spacing: .2px;
  }
  .brandText p{
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--muted);
  }
  
  /* Theme toggle */
  .toggle{
    display:flex;
    align-items:center;
    gap: 10px;
    user-select:none;
  }
  
  .toggleLabel{
    font-size: 12px;
    color: var(--muted);
    display:none;
  }
  
  .switch{
    width: 64px;
    height: 32px;
    border-radius: 999px;
    border: 1px solid var(--cardBorder);
    background: rgba(255,255,255,.08);
    position: relative;
    cursor:pointer;
    box-shadow: var(--shadow-soft);
    transition:
      transform .18s var(--ease),
      background .22s var(--ease),
      box-shadow .22s var(--ease);
  }
  
  .switch:active{ transform: translateY(1px); }
  
  .knob{
    width: 26px;
    height: 26px;
    border-radius: 999px;
    position:absolute;
    top: 2.5px;
    left: 4px;
    background: var(--btnBg);
    transition: left .22s var(--ease), background .22s var(--ease);
    box-shadow: 0 6px 16px rgba(0,0,0,.25);
  }
  .switch:active .knob{
    transform: scale(.92);
  }
  
  .switchIcon{
    position:absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    opacity: .75;
  }
  .switchIcon.left{ left: 8px; }
  .switchIcon.right{ right: 8px; }
  
  [data-theme="dark"] .knob{ left: 34px; }
  
  /* Card */
  .card{
    position: relative;
    border-radius: var(--radius-xl);
    background: var(--card);
    border: 1px solid var(--cardBorder);
    box-shadow: var(--shadow);
    padding: 18px 16px 16px;
    overflow:hidden;
    backdrop-filter: blur(10px);
    animation: cardIn .45s cubic-bezier(.2,.8,.2,1) both;
  }
  
  /* Watermark logo inside card */
  [data-theme="dark"] .watermark{
    opacity: calc(var(--logoOpacity) * 1.15);
    filter: grayscale(100%) brightness(1.15) contrast(0.95);
  }
  .watermark{
    position:absolute;
    top: 50%;
    left: 50%;
    width: 260px;
    transform: translate(-50%, -50%) rotate(0deg);
    opacity: calc(var(--logoOpacity) * .75);
    pointer-events: none;
    filter: grayscale(100%);
  }
  
  .fieldLabel{
    display:block;
    font-size: 13px;
    color: var(--muted);
    margin: 6px 0 10px;
  }
  
  .field{
    display:flex;
    align-items:center;
    gap: 10px;
    padding: 13px 12px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--fieldBorder);
    background: var(--field);
    cursor: text;
  
    transition:
      box-shadow .22s var(--ease),
      border-color .22s var(--ease),
      transform .22s var(--ease),
      background .22s var(--ease);
  }
  
  .field:focus-within{
    box-shadow: var(--ring);
    transform: translateY(-1.5px);
  }
  
  [data-theme="dark"] .field:focus-within{
    box-shadow: var(--ring-dark);
  }
  
  .icon{
    width: 22px;
    text-align:center;
    opacity:.85;
  }
  
  input{
    width:100%;
    border:none;
    outline:none;
    background: transparent;
    color: var(--text);
    font-size: 16px;
    letter-spacing: .6px;
  }
  input::placeholder{
    color: var(--muted2);
    letter-spacing: .2px;
  }
  
  /* Eye button */
  .eyeBtn{
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid var(--fieldBorder);
    background: transparent;
    border-color: transparent;
    color: var(--text);
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:0;
    transition: transform .08s var(--ease), opacity .18s var(--ease), background .18s var(--ease);
  }
  .eyeBtn:hover{ 
    opacity: .92;
    background: rgba(255,255,255,.06);
  }
  .eyeBtn:hover .svgIcon{
    transform: scale(1.08);
    opacity: 1;
  }
  .eyeBtn:active{ transform: translateY(1px); }
  .eyeBtn:focus{ outline:none; box-shadow: var(--ring); }
  [data-theme="dark"] .eyeBtn:focus{ box-shadow: var(--ring-dark); }
  
  .eyeBtn .svgIcon,
  .icon .svgIcon{
    transition: transform .15s var(--ease), opacity .15s var(--ease);
  }
  
  /* Button */
  .actions{
    display:flex;
    gap: 10px;
    margin-top: 12px;
  }
  
  /* SVG icons (monochrome) */
  .svgIcon{
    width: 18px;
    height: 18px;
    fill: currentColor;
  }
  
  .hidden{
    display: none;
  }

  /* ===== Admin Back Button (riutilizzabile ovunque) ===== */
  .backLink{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:12px 14px;
    border-radius:14px;
    border:1px solid var(--cardBorder);
    background: rgba(255,255,255,.06);
    color: var(--text);
    text-decoration:none;
    font-weight: 800;
    min-height: 44px;
    box-shadow: var(--shadow-soft);
    transition: transform .08s var(--ease), background .18s var(--ease), opacity .18s var(--ease);
  }
  .backLink:hover{ background: rgba(255,255,255,.10); }
  .backLink:active{ transform: translateY(1px); }
  .backLink .arr{ font-size:16px; opacity:.85; }

  .backLink.sm{
    padding: 9px 12px;
    border-radius: 12px;
    min-height: 38px;
    font-size: 13px;
    box-shadow: none;                /* più pulito */
  }
  .backLink.sm .arr{
    font-size: 14px;
  }

  
  button.primary{
    width:100%;
    border:none;
    border-radius: var(--radius-lg);
    padding: 13px 14px;
    font-size: 15px;
    font-weight: 800;
    cursor:pointer;
    background: var(--btnBg);
    color: var(--btnText);
    box-shadow: var(--shadow-soft);
    transition: transform .08s var(--ease), opacity .18s var(--ease);
    position: relative;
    overflow: hidden;
  }
  
  button.primary::after{
    content:"";
    position:absolute;
    inset:0;
    background: linear-gradient(
      120deg,
      transparent 30%,
      rgba(255,255,255,.35),
      transparent 70%
    );
    transform: translateX(-120%);
  }
  
  button.primary:active::after{
    transform: translateX(120%);
    transition: transform .4s ease;
  }
  button.primary:active{ 
    transform: translateY(1px); 
  }
  button.primary:disabled{ 
    opacity:.62; cursor:not-allowed; 
  }
  
  .meta{
    margin-top: 12px;
    text-align:center;
    font-size: 12px;
    color: var(--muted2);
  }
  
  /* Help row */
  .helpRow{
    margin-top: 10px;
    text-align:center;
    font-size: 12px;
    color: var(--muted2);
  }
  .rememberRow{
    margin-top: 12px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--muted);
    user-select: none;
    cursor: pointer;
  }
  .rememberRow input{
    width: 16px;
    height: 16px;
    accent-color: var(--btnBg);
    cursor: pointer;
    flex: 0 0 auto;
  }
  .helpRow a{
    color: var(--link);
    font-weight: 800;
    text-decoration: none;
    border-bottom: 1px dashed rgba(127,127,127,.35);
  }
  .helpRow a:hover{
    color: var(--linkHover);
    border-bottom-color: rgba(127,127,127,.55);
  }
  
  /* Status */
  .status{
    margin-top: 12px;
    min-height: 20px;
    text-align:center;
    font-size: 13px;
    color: var(--muted);
    display:flex;
    align-items:center;
    justify-content:center;
    gap: 10px;
  }
  
  .spinner{
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid rgba(127,127,127,.22);
    border-top-color: currentColor;
    opacity: .8;
    animation: spin .85s linear infinite;
  }
  
  @keyframes spin { to { transform: rotate(360deg);} }
  
  .err{ color: var(--danger); font-weight: 800; }
  .ok{ color: var(--ok); font-weight: 800; }
  
.footer{
  margin-top: 14px;
  text-align:center;
  font-size: 11px;
  color: rgba(127,127,127,.55);
}

.privacyLink{
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.privacyLink:link,
.privacyLink:visited{
  color: inherit;
}

.privacyLink:hover{
  color: var(--linkHover);
  border-bottom-color: currentColor;
}

.privacyLink:focus-visible{
  outline: 2px solid currentColor;
  outline-offset: 2px;
  border-bottom-color: currentColor;
}
  
  @media (min-width: 420px){
    .toggleLabel{ display:block; }
  }
  
  .icon .svgIcon{
    width: 19px;
    height: 19px;
    opacity: .9;
  }
  
  [data-theme="dark"] .logoWrap img{
    filter: invert(1) brightness(1.05) contrast(.9);
  }
  
  @keyframes cardIn{
    from{
      opacity: 0;
      transform: translateY(14px) scale(.985);
    }
    to{
      opacity: 1;
      transform: none;
    }
  }