/* ============================================================
   AI in Australian Workplaces — standalone registration page
   Split layout: dark "event ticket" panel + light form panel.
   Inherits tokens/buttons/wordmark from styles.css.
   ============================================================ */

.signup-page { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 46%) minmax(0, 54%); }

/* ---------- LEFT: dark ticket panel ---------- */
.ticket {
  position: relative; background: var(--dark); color: #fff; overflow: hidden;
  padding: clamp(34px, 4vw, 60px) clamp(34px, 4vw, 64px);
  display: flex; flex-direction: column;
  border-right: 2px solid var(--ink);
}
.ticket-border { position: absolute; top: 0; left: 0; right: 0; height: 5px; background: var(--accent); z-index: 3; }
.ticket-noise {
  position: absolute; inset: 0; opacity: 0.04; pointer-events: none; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 220px 220px;
}
.ticket-glow {
  position: absolute; bottom: -12%; left: -10%; width: 620px; height: 620px; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, rgba(var(--accent-rgb),0.20) 0%, rgba(var(--accent-rgb),0) 62%);
}
.ticket-top, .ticket-main { position: relative; z-index: 2; }

.ticket-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.back-link {
  display: inline-flex; align-items: center; gap: 9px; text-decoration: none;
  font-family: var(--font-display); font-size: 13px; font-weight: 700; color: rgba(255,255,255,0.65);
  transition: color .15s;
}
.back-link:hover { color: #fff; }
.back-link .arrow { transition: transform .18s; }
.back-link:hover .arrow { transform: translateX(-3px); }
.ticket-wordmark { display: flex; align-items: baseline; gap: 9px; }
.ticket-wordmark .wordmark { font-size: 22px; }
.ticket-wordmark .wm-label { font-family: var(--font-display); font-size: 12px; font-weight: 600; color: rgba(255,255,255,0.45); white-space: nowrap; }

.ticket-main { padding-top: clamp(40px, 6vh, 76px); }
.ticket-tag {
  display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-mono);
  font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb),0.5); padding: 6px 13px; margin-bottom: 26px;
}
.ticket-tag .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.ticket-title {
  font-family: var(--font-display); font-weight: 800; letter-spacing: -0.035em; line-height: 0.98;
  font-size: clamp(38px, 4.6vw, 68px); color: #fff; text-wrap: balance;
}
.ticket-title .accent { color: var(--accent); }
.ticket-series { font-size: 16px; color: rgba(255,255,255,0.55); margin-top: 18px; max-width: 42ch; line-height: 1.55; text-wrap: pretty; }

.ticket-details { margin-top: 40px; }
.t-detail { display: flex; gap: 18px; padding: 17px 0; border-top: 1px solid rgba(255,255,255,0.13); }
.t-detail:last-of-type { border-bottom: 1px solid rgba(255,255,255,0.13); }
.t-detail-label { font-family: var(--font-mono); font-size: 10px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.35); min-width: 64px; padding-top: 3px; flex-shrink: 0; }
.t-detail-value { font-size: 15px; color: rgba(255,255,255,0.9); line-height: 1.5; }
.t-detail-value strong { color: #fff; font-weight: 700; }

.ticket-guests { margin-top: 30px; }
.ticket-guests-label { font-family: var(--font-mono); font-size: 10px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.35); margin-bottom: 12px; }
.t-guest { display: flex; align-items: center; gap: 13px; padding: 8px 0; }
.t-guest-avatar { width: 38px; height: 38px; border-radius: 50%; background: rgba(var(--accent-rgb),0.18); border: 1px solid rgba(var(--accent-rgb),0.4); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 800; font-size: 13px; color: #fff; flex-shrink: 0; }
.t-guest-name { font-family: var(--font-display); font-size: 14.5px; font-weight: 700; color: #fff; }
.t-guest-role { font-size: 12.5px; color: rgba(255,255,255,0.45); }
.t-guest.tba .t-guest-avatar { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.18); color: rgba(255,255,255,0.4); }
.t-guest.tba .t-guest-name { color: rgba(255,255,255,0.55); font-weight: 600; }

.ticket-foot { margin-top: auto; padding-top: 44px; font-family: var(--font-mono); font-size: 11px; color: rgba(255,255,255,0.28); }

/* ---------- RIGHT: light form panel ---------- */
.form-panel {
  background: var(--bg-white); display: flex; align-items: center; justify-content: center;
  padding: clamp(40px, 5vw, 80px) clamp(28px, 5vw, 80px); position: relative;
}
.form-card { width: 100%; max-width: 470px; position: relative; }

.form-progress { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.form-progress::before { content: ''; width: 26px; height: 2px; background: var(--accent); display: inline-block; }

.form-card h1 { font-family: var(--font-display); font-size: clamp(28px, 3vw, 38px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.02; color: var(--ink); text-wrap: balance; }
.form-card .intro { font-size: 16px; color: var(--ink-mid); margin-top: 14px; line-height: 1.6; text-wrap: pretty; }

#signup-form { margin-top: 34px; }
.lf-field { margin-bottom: 19px; }
.lf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.lf-field label { display: block; font-family: var(--font-mono); font-size: 10.5px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-light); margin-bottom: 8px; }
.lf-field label .req { color: var(--accent); }
.lf-field label .opt { color: var(--ink-faint); text-transform: none; letter-spacing: 0; font-family: var(--font-body); }
.lf-field input {
  width: 100%; font-family: var(--font-body); font-size: 15px; color: var(--ink);
  background: var(--bg); border: 2px solid var(--rule-dark); padding: 13px 15px; border-radius: 0;
  transition: border-color .15s, background .15s; -webkit-appearance: none;
}
.lf-field input::placeholder { color: var(--ink-faint); }
.lf-field input:focus { outline: none; border-color: var(--ink); background: var(--bg-white); }
.lf-field input.invalid { border-color: var(--accent); background: var(--accent-light); }
.lf-error { font-size: 12.5px; color: var(--accent-dark); margin-top: 7px; opacity: 0; height: 0; overflow: hidden; transition: opacity .15s; }
.lf-error.show { opacity: 1; height: auto; }

.lf-submit { width: 100%; justify-content: center; margin-top: 8px; font-size: 14px; padding: 15px 22px; }
.lf-fine { font-size: 12.5px; color: var(--ink-light); margin-top: 16px; line-height: 1.55; }
.lf-fine a { color: var(--accent); text-decoration: none; font-weight: 600; }
.lf-fine a:hover { text-decoration: underline; }

/* success */
.lf-success { opacity: 0; pointer-events: none; position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; background: var(--bg-white); transform: translateY(10px); transition: opacity .35s, transform .35s; }
.lf-success.show { opacity: 1; pointer-events: auto; transform: none; position: relative; }
.lf-success .check { width: 66px; height: 66px; border: 2px solid var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 26px; background: var(--accent-light); }
.lf-success h2 { font-family: var(--font-display); font-size: clamp(28px, 3vw, 38px); font-weight: 800; letter-spacing: -0.03em; color: var(--ink); line-height: 1.02; }
.lf-success p { font-size: 16px; color: var(--ink-mid); margin-top: 14px; line-height: 1.6; max-width: 40ch; }
.lf-success p strong { color: var(--ink); font-weight: 700; }
.lf-ticket {
  margin-top: 30px; border: 2px solid var(--ink); background: var(--bg-white); box-shadow: 6px 6px 0 var(--ink);
}
.lf-ticket-head { display: flex; align-items: center; justify-content: space-between; padding: 13px 20px; background: var(--blue-bg); border-bottom: 2px solid var(--ink); }
.lf-ticket-head .lab { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.lf-ticket-head .num { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); }
.lf-ticket-row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 20px; border-bottom: 1px solid var(--rule); font-size: 13.5px; }
.lf-ticket-row:last-child { border-bottom: none; }
.lf-ticket-row .k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); padding-top: 2px; }
.lf-ticket-row .v { font-family: var(--font-display); font-weight: 700; color: var(--ink); text-align: right; }
.lf-success-actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

/* observer notice */
.observer-notice {
  display: flex; align-items: flex-start; gap: 9px; margin-top: 16px;
  padding: 13px 15px; border: 1.5px solid var(--blue-mid); background: var(--blue-bg);
  font-size: 13px; color: var(--ink-mid); line-height: 1.55;
}
.observer-icon { color: var(--ink-light); flex-shrink: 0; padding-top: 1px; }
.observer-notice strong { color: var(--ink); font-weight: 700; }
.observer-notice a { color: var(--accent); font-weight: 700; text-decoration: none; white-space: nowrap; }
.observer-notice a:hover { text-decoration: underline; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .signup-page { grid-template-columns: 1fr; }
  .ticket { min-height: auto; border-right: none; border-bottom: 2px solid var(--ink); }
  .ticket-main { margin-top: 40px; padding-top: 40px; }
  .form-panel { padding: 48px 24px 64px; }
}
@media (max-width: 460px) {
  .lf-row { grid-template-columns: 1fr; }
  .ticket-wordmark .wm-label { display: none; }
}