:root{
  --green:#2f7f1d;
  --green-dark:#246517;
  --navy:#1b2a5e;
  --cyan:#4db8e8;
  --ink:#172036;
  --muted:#64748b;
  --border:#dfe6ef;
  --bg:#f4f7fa;
}
*{box-sizing:border-box}
html,body{
  margin:0;
  min-height:100%;
  font-family:"DM Sans",sans-serif;
  color:var(--ink);
  background: radial-gradient(circle at 10% 10%, rgba(77, 184, 232, 0.04) 0%, transparent 40%),
              radial-gradient(circle at 90% 90%, rgba(76, 175, 39, 0.04) 0%, transparent 40%),
              var(--bg);
}
[hidden]{display:none!important}
button,input{font:inherit}
button{cursor:pointer}
.auth-page{min-height:100dvh;display:grid;grid-template-columns:minmax(380px,.88fr) minmax(460px,1.12fr);overflow:hidden}
.auth-brand{
  background: radial-gradient(circle at 10% 10%, rgba(77, 184, 232, 0.15) 0%, transparent 40%),
              radial-gradient(circle at 90% 90%, rgba(76, 175, 39, 0.15) 0%, transparent 45%),
              var(--navy);
  color:white;
  padding:clamp(38px,5.5vw,82px);
  display:flex;
  flex-direction:column;
  justify-content:center;
  position:relative;
  overflow:hidden;
}
.auth-brand::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg, rgba(9,16,36,0.35) 0%, rgba(9,16,36,0) 100%);
  pointer-events:none;
}
.brand-logo{display:block;width:min(270px,72%);height:auto;object-fit:contain;margin-bottom:38px;position:relative;z-index:1}
.auth-brand h1{font-family:"Syne",sans-serif;font-size:clamp(2.35rem,4.4vw,4.25rem);line-height:1.04;margin:0;max-width:660px;position:relative;z-index:1}
.auth-brand p{font-size:1rem;line-height:1.55;color:rgba(255,255,255,.92);max-width:520px;margin:22px 0;position:relative;z-index:1}
.auth-eyebrow{margin:0 0 8px;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#9AE06A;position:relative;z-index:1}
.auth-steps{display:grid;gap:12px;max-width:480px;margin-top:8px;position:relative;z-index:1}
.auth-step{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start;padding:12px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(255,255,255,.05)}
.auth-step span{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.12);font-weight:900}
.auth-step strong{display:block;font-size:.88rem;margin-bottom:3px}
.auth-step p{margin:0;font-size:.78rem;color:rgba(255,255,255,.78);line-height:1.4}
.auth-points{display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:1}
.auth-points span{border:1px solid rgba(255,255,255,.18);padding:9px 11px;border-radius:7px;font-size:.76rem;font-weight:800;background:rgba(255,255,255,0.04)}
.auth-panel{display:grid;place-items:center;padding:28px;overflow-y:auto}
.auth-card{
  width:min(430px,100%);
  background:rgba(255,255,255,0.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--border);
  border-radius:18px;
  padding:32px 30px;
  box-shadow:0 24px 70px -15px rgba(27,42,94,.12);
}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1.5px solid var(--border);margin-bottom:26px}
.auth-tabs button{border:0;background:transparent;padding:12px;color:#4b5563;font-weight:800;border-bottom:3px solid transparent;transition:color .2s ease, border-bottom-color .2s ease}
.auth-tabs button:hover{color:var(--navy)}
.auth-tabs button.active{color:var(--navy);border-bottom-color:var(--green)}
.auth-form{display:grid;gap:16px}
.auth-form h2{font-family:"Syne",sans-serif;font-size:1.5rem;margin:0 0 5px;color:var(--navy)}
.auth-form p{margin:0;color:#526078;font-size:.85rem}
.auth-form label{display:grid;gap:6px;font-size:.76rem;font-weight:800}
.auth-form input{
  width:100%;
  min-height:46px;
  border:1.5px solid var(--border);
  border-radius:10px;
  padding:10px 14px;
  outline:0;
  background-color:var(--bg);
  transition:border-color .22s ease, box-shadow .22s ease, background-color .22s ease;
}
.auth-form input:focus{border-color:var(--green);background-color:#ffffff;box-shadow:0 0 0 4px rgba(76,175,39,0.15)}
.password-field{position:relative;display:block}
.password-field input{padding-right:50px}
.password-toggle{position:absolute;top:50%;right:3px;transform:translateY(-50%);width:42px;height:40px;display:grid;place-items:center;border:0;border-radius:6px;background:transparent;color:#526078}
.password-toggle:hover{background:#edf2f7;color:var(--navy)}
.password-toggle:focus-visible{outline:2px solid var(--green);outline-offset:1px}
.password-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.password-toggle .eye-closed{display:none}
.password-toggle.visible .eye-open{display:none}
.password-toggle.visible .eye-closed{display:block}
.primary{border:0;border-radius:10px;background:var(--green);color:white;min-height:46px;font-weight:900;transition:background .2s ease, transform .1s ease}
.primary:hover{background:var(--green-dark)}
.primary:active{transform:scale(0.98)}
.text-button{border:0;background:transparent;color:#17265d;font-size:.78rem;font-weight:800;text-decoration:underline;text-underline-offset:3px}
.auth-status{min-height:22px;margin-top:14px;font-size:.78rem;color:#526078;line-height:1.4}
.auth-status.error{color:#c53030}
.auth-status.ok{color:var(--green-dark)}
.app-view{height:100dvh;height:100svh;display:grid;grid-template-rows:auto 1fr;overflow:hidden;background:var(--bg)}
.app-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  min-height:50px;
  padding:0 14px;
  background:#091024;
  color:#fff;
  border-bottom:none;
  box-shadow:0 2px 10px rgba(9,16,36,.35);
  z-index:30;
}
.app-header-start{display:flex;align-items:center;gap:12px;min-width:0;flex:1 1 auto}
.app-header-workspace{display:flex;align-items:center;gap:10px;min-width:0;flex-wrap:wrap}
.shell-product-eyebrow{display:none}
.shell-business-name{font-size:.78rem;font-weight:800;color:rgba(255,255,255,.92);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:min(220px,28vw)}
.header-logo-wrap{display:inline-flex;align-items:center;background:#fff;border-radius:8px;padding:5px 10px;box-shadow:0 4px 14px rgba(0,0,0,.16);flex-shrink:0}
.header-logo{display:block;width:108px;height:24px;object-fit:contain;object-position:left center}
.cloud-state{display:flex;align-items:center;gap:6px;font-size:.68rem;color:rgba(255,255,255,.72);min-width:0}
.cloud-state strong{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(255,255,255,.9)}
.cloud-state span{width:7px;height:7px;border-radius:50%;background:#f59e0b;flex-shrink:0}
.cloud-state span.ok{background:var(--green)}
.cloud-state span.warn{background:#f59e0b}
.cloud-state span.error{background:#ef4444}
.app-header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.app-tool-btn{
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;
  border-radius:8px;
  padding:7px 12px;
  font-size:.72rem;
  font-weight:800;
  white-space:nowrap;
  min-height:34px;
  transition:background .15s ease,border-color .15s ease,opacity .15s ease;
}
.app-tool-btn:hover:not(:disabled):not([aria-disabled="true"]){background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.3)}
.app-tool-link{background:rgba(255,255,255,.08)}
.app-tool-btn:disabled,.app-tool-btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;pointer-events:none}
.app-tool-link{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.app-tool-accent{background:var(--green);border-color:var(--green);color:#fff}
.app-tool-accent:hover:not(:disabled){background:var(--green-dark);border-color:var(--green-dark)}
.app-user-menu{position:relative;margin-left:4px}
.app-user-btn{
  display:flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);color:#fff;
  border-radius:999px;padding:4px 10px 4px 4px;min-height:36px;font-weight:700;
}
.app-user-btn:hover{background:rgba(255,255,255,.18)}
.app-user-avatar{
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--navy),#2a4078);color:#fff;font-size:.62rem;font-weight:800;
}
.app-user-email{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.68rem;color:rgba(255,255,255,.88)}
.app-user-dropdown{
  position:absolute;right:0;top:calc(100% + 8px);min-width:220px;
  background:#fff;border:1px solid var(--border);border-radius:12px;padding:8px;
  box-shadow:0 16px 40px rgba(27,42,94,.12);
}
.app-user-dropdown[hidden]{display:none!important}
.app-user-dropdown-email{margin:0 0 8px;padding:0 8px 8px;font-size:.72rem;color:var(--muted);word-break:break-all;border-bottom:1px solid var(--border)}
.app-user-item{
  width:100%;border:0;background:transparent;color:var(--navy);
  border-radius:8px;padding:9px 10px;font-weight:700;font-size:.78rem;text-align:left;
}
.app-user-item:hover{background:#f4f7fa}
.app-user-item.danger{color:#b91c1c}
.app-user-item.danger:hover{background:#fff5f5}
#editorFrame{width:100%;height:100%;min-height:0;border:0;background:var(--bg)}
@media(max-width:760px){
  html,body{background:white}
  .auth-page{grid-template-columns:1fr;grid-template-rows:auto 1fr;overflow:auto}
  .auth-brand{min-height:0;padding:22px 20px 24px;justify-content:flex-start}
  .brand-logo{width:176px;margin-bottom:14px}
  .auth-brand h1{font-size:clamp(1.45rem,6.8vw,1.85rem);line-height:1.1;max-width:340px}
  .auth-brand p{font-size:.82rem;line-height:1.4;margin:9px 0 0}
  .auth-points{display:none}
  .auth-steps{display:none}
  .auth-panel{display:block;padding:0;background:white;overflow:visible}
  .auth-card{width:100%;min-height:100%;border:0;border-radius:0;padding:22px 20px 30px;box-shadow:none}
  .auth-tabs{margin-bottom:22px}
  .auth-tabs button{min-height:44px}
  .auth-form{gap:14px}
  .auth-form h2{font-size:1.35rem}
  .auth-form input{min-height:48px;font-size:16px}
  .primary{min-height:48px}
  .auth-status{margin-top:12px}
  .app-header{padding:0 10px;gap:8px;min-height:52px}
  .header-logo{width:100px;height:24px}
  .shell-business-name{max-width:140px;font-size:.76rem}
  .app-header-actions{gap:6px}
  .app-tool-btn{padding:7px 9px;font-size:.66rem}
  .app-user-email{display:none}
  .app-tool-btn#shellCopyLinkBtn{display:none}
  .app-header-actions #shellOpenPageBtn,
  .app-header-actions #shellPreviewBtn{display:none}
  .app-header-actions #shellSaveBtn{display:inline-flex}
  .app-mobile-bar{display:none}
}
.app-mobile-bar{display:none}
@media(max-width:390px){
  .auth-brand{padding:18px 16px 20px}
  .auth-card{padding:18px 16px 26px}
  .brand-logo{width:158px}
  .auth-brand h1{font-size:1.4rem}
}

/* Link area rivenditori (pannello brand scuro) */
.reseller-link{display:inline-block;margin-top:26px;color:rgba(255,255,255,.92);font-weight:700;font-size:.9rem;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:2px}
.reseller-link:hover{border-bottom-color:rgba(255,255,255,.9)}
.signup-steps{display:flex;gap:8px;margin:0 0 18px}
.signup-step{font-size:.72rem;font-weight:800;color:#64748b;padding:6px 10px;border-radius:999px;background:#eef2f7}
.signup-step.active{background:#e8f5e0;color:#246517}
.signup-panel{display:grid;gap:14px}