:root {
  --primary: #6366F1;
  --primary-dark: #4F46E5;
  --primary-light: #e0e1fd;
  --accent: #F59E0B;
  --ink: #1A1A1A;
  --muted: #5b6170;
  --line: #e3e5ec;
  --bg: #F9FAFB;
  --card: #ffffff;
  --danger: #c62828;
  --ok: #0f8a5f;
  --field: #ffffff;
  --text-2: #33363d;
  --intro-ink: #2b2d6e;
  --hover-line: #c7c9f8;
  --checked-bg: #f3f3fe;
  --row-hover: #f6f6ff;
  --bar-bg: rgba(255,255,255,.94);
  --empty: #9aa0ab;
  --on-primary: #ffffff;
  --btn-bg: #6366F1;
  --btn-bg-hover: #4F46E5;
  --err-bg: #fdecec;
  --err-ink: #8a1c1c;
  --ok-bg: #e7f6ef;
  --ok-ink: #0b5e41;
  --warn-bg: #fff4dc;
  --warn-ink: #8a5a00;
  --neutral-bg: #eef0f4;
  --neutral-ink: #4a5160;
  --archived-bg: #f1f1f1;
  --archived-ink: #888888;
  --danger-line: #f2c4c4;
  --drop-bg: #fafaff;
  --toast-bg: #1A1A1A;
  --toast-ink: #ffffff;
  --radius: 14px;
  --font-head: 'Montserrat', system-ui, sans-serif;
  --font-body: 'Lora', Georgia, serif;
  color-scheme: light;
}

/* Tema scuro: attivo solo con data-theme="dark" (lo imposta la dashboard, il form cliente resta chiaro) */
:root[data-theme="dark"] {
  --primary: #A5B4FC;
  --primary-dark: #818CF8;
  --primary-light: #262a4a;
  --ink: #e8e9ee;
  --muted: #9aa1b2;
  --line: #2c313d;
  --bg: #0f1117;
  --card: #171a23;
  --danger: #ff8a8a;
  --field: #1d212c;
  --text-2: #c9ccd6;
  --intro-ink: #d6d9ff;
  --hover-line: #4b4f8a;
  --checked-bg: #22264a;
  --row-hover: #1f2333;
  --bar-bg: rgba(15,17,23,.92);
  --empty: #6f7585;
  --err-bg: #3a1d1f;
  --err-ink: #ffb4b4;
  --ok-bg: #15322a;
  --ok-ink: #8fe0bd;
  --warn-bg: #3a2e12;
  --warn-ink: #f5c96a;
  --neutral-bg: #252a35;
  --neutral-ink: #b8bfcc;
  --archived-bg: #22252c;
  --archived-ink: #8b909c;
  --danger-line: #5a2a2a;
  --drop-bg: #161a2a;
  --toast-bg: #e8e9ee;
  --toast-ink: #0f1117;
  color-scheme: dark;
}

* { box-sizing: border-box; }
/* l'attributo hidden vince sempre, anche sulle classi che impostano display */
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-head);
  font-size: 16px;
  line-height: 1.5;
}

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--card); padding: 8px 12px; z-index: 10; }

/* Header */
.topbar {
  position: sticky; top: 0; z-index: 5;
  background: var(--bar-bg);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 760px; margin: 0 auto; padding: 12px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; letter-spacing: .2px; }
.brand-mark { height: 26px; width: auto; flex: none; color: var(--ink); }
.brand-text span { color: var(--primary); }
.save-state { font-size: 13px; color: var(--muted); min-height: 1em; }
.progress { height: 4px; background: var(--primary-light); }
.progress > div { height: 100%; width: 0; background: var(--primary); transition: width .3s ease; }

/* Layout */
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 8px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: 0 1px 2px rgba(16,24,40,.04);
}
@media (min-width: 640px) { .card { padding: 32px; } }

h1, h2 { font-family: var(--font-head); line-height: 1.25; margin: 0 0 12px; }
h1 { font-size: clamp(24px, 5vw, 32px); }
h2 { font-size: clamp(20px, 4vw, 26px); }
.step-label { font-size: 13px; font-weight: 600; color: var(--primary); text-transform: uppercase; letter-spacing: .8px; margin-bottom: 6px; }
.lead { font-family: var(--font-body); font-size: 17px; color: var(--text-2); margin: 0 0 12px; }
.intro {
  font-family: var(--font-body); background: var(--primary-light); border-radius: 10px;
  padding: 12px 14px; margin: 0 0 24px; color: var(--intro-ink);
}

/* Questions */
.q { border: 0; margin: 0 0 28px; padding: 0; min-width: 0; }
.q-label, .q legend {
  display: block; font-weight: 600; font-size: 16.5px; margin-bottom: 6px; padding: 0;
}
.q-id { color: var(--muted); font-weight: 500; font-size: 13px; margin-right: 6px; }
.req { color: var(--danger); margin-left: 2px; }
.help { font-family: var(--font-body); font-size: 14.5px; color: var(--muted); margin: 0 0 10px; }

input[type=text], input[type=email], input[type=tel], input[type=date], input[type=password], textarea {
  width: 100%; font: inherit; color: var(--ink);
  border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px; background: var(--field);
  transition: border-color .15s, box-shadow .15s;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.2); }

.options { display: grid; gap: 8px; }
.opt {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  border: 1.5px solid var(--line); border-radius: 10px; padding: 11px 14px; background: var(--field);
  transition: border-color .15s, background .15s;
}
.opt:hover { border-color: var(--hover-line); }
.opt input { width: 18px; height: 18px; accent-color: var(--primary); margin: 0; flex: none; }
.opt:has(input:checked) { border-color: var(--primary); background: var(--checked-bg); }
.opt:has(input:focus-visible) { box-shadow: 0 0 0 3px rgba(99,102,241,.25); }

.detail { margin-top: 10px; }
.detail label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; color: var(--text-2); }

.contact-grid { display: grid; gap: 12px; }
@media (min-width: 560px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-grid label { font-size: 14px; font-weight: 500; display: block; margin-bottom: 4px; }

.error-msg { color: var(--danger); font-size: 14px; margin-top: 6px; font-weight: 500; }
.q.has-error input, .q.has-error textarea, .q.has-error .opt { border-color: var(--danger); }

/* Buttons */
.actions {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 5;
  background: var(--bar-bg); border-top: 1px solid var(--line);
}
.actions-inner { max-width: 760px; margin: 0 auto; padding: 12px 16px; display: flex; gap: 10px; justify-content: space-between; }
.btn {
  font: inherit; font-weight: 600; border-radius: 10px; padding: 12px 20px; cursor: pointer;
  border: 1.5px solid transparent; min-height: 46px;
}
.btn-primary { background: var(--btn-bg); color: var(--on-primary); }
.btn-primary:hover { background: var(--btn-bg-hover); }
.btn-ghost { background: var(--field); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--hover-line); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn:focus-visible { outline: 3px solid rgba(99,102,241,.4); outline-offset: 2px; }
.btn-link { background: none; border: 0; color: var(--primary); font: inherit; font-weight: 600; cursor: pointer; padding: 0; }

/* Review */
.review-section { border-top: 1px solid var(--line); padding: 18px 0; }
.review-section:first-of-type { border-top: 0; }
.review-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.review-head h3 { margin: 0; font-size: 17px; }
.review-item { margin: 0 0 10px; }
.review-item dt { font-size: 14px; color: var(--muted); }
.review-item dd { margin: 2px 0 0; font-family: var(--font-body); white-space: pre-wrap; word-break: break-word; }
.review-item dd.empty { color: var(--empty); font-style: italic; }

.notice { border-radius: 10px; padding: 12px 14px; margin: 16px 0 0; font-size: 15px; }
.notice.err { background: var(--err-bg); color: var(--err-ink); }
.notice.ok { background: var(--ok-bg); color: var(--ok-ink); }

.center { text-align: center; }
.big-icon { font-size: 44px; margin-bottom: 8px; }

.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.foot { text-align: center; font-size: 13px; color: var(--muted); margin-top: 24px; }

/* Footer: nel form lascia spazio alla barra fissa dei pulsanti */
.site-foot { text-align: center; font-size: 12.5px; color: var(--muted); padding: 16px 16px 96px; }