/* ==========================================================================
   Registration — the multi-step form and its Google Forms embed twin
   ========================================================================== */

.reg { display: grid; gap: clamp(2rem, 5vw, 3.5rem); grid-template-columns: minmax(0, 1fr) 320px; align-items: start; }
/* minmax(0, 1fr), not 1fr: a bare fr track has min-width auto, so on a very
   narrow screen a wide child pushes the whole column past the viewport. */
@media (max-width: 940px) { .reg { grid-template-columns: minmax(0, 1fr); } }

.reg__panel {
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid var(--line); border-radius: var(--r-md);
  background: var(--ink-2);
}

/* --- Mode tabs: our form vs. the official embed --------------------------- */
.mode-tabs {
  display: inline-flex; gap: 0.3rem; padding: 0.3rem; margin-bottom: var(--sp-6);
  border: 1px solid var(--line); border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--ink-2) 60%, transparent);
}
.mode-tab {
  padding: 0.5rem 1.05rem; border-radius: var(--r-pill);
  font-size: var(--step--2); font-weight: 500; letter-spacing: 0.03em;
  color: var(--paper-3); white-space: nowrap;
  transition: color var(--dur-1), background var(--dur-2) var(--ease-out);
}
.mode-tab:hover { color: var(--paper); }
.mode-tab[aria-selected="true"] { background: var(--gold); color: var(--on-gold); }

/* --- Progress ------------------------------------------------------------- */
.progress { margin-bottom: var(--sp-6); }
.progress__track { height: 4px; border-radius: var(--r-pill); background: var(--ink-4); overflow: hidden; }
.progress__fill {
  height: 100%; width: 25%; border-radius: var(--r-pill);
  background: var(--gold);
  
  transition: width var(--dur-3) var(--ease-out);
}
.progress__dots { display: flex; justify-content: space-between; gap: var(--sp-2); margin-top: var(--sp-3); }
.progress__dot {
  flex: 1; display: flex; flex-direction: column; gap: 0.2rem;
  font-family: var(--font-mono); font-size: var(--step--2);
  color: var(--paper-3); text-align: left;
  transition: color var(--dur-2);
}
.progress__dot::before {
  content: ""; display: block; width: 100%; height: 2px; border-radius: 2px;
  background: var(--ink-4);
  transition: background var(--dur-3) var(--ease-out);
}
.progress__dot.is-done, .progress__dot.is-current { color: var(--gold); }
.progress__dot.is-done::before, .progress__dot.is-current::before { background: var(--gold); }

/* --- Steps ---------------------------------------------------------------- */
.step { animation: step-in var(--dur-4) var(--ease-out); }
@keyframes step-in { from { opacity: 0; transform: translateX(18px); } to { opacity: 1; transform: none; } }

.step__title { font-size: var(--step-2); margin-bottom: var(--sp-2); }
.step__title:focus { outline: none; }
.step__hint { color: var(--paper-2); font-size: var(--step--1); margin-bottom: var(--sp-6); }

/* --- Fields ---------------------------------------------------------------- */
.field { margin-bottom: var(--sp-5); }
.field__label { display: block; font-weight: 500; font-size: var(--step-0); margin-bottom: 0.15rem; }
.field__label .req { color: var(--gold); }
.field__help { display: block; font-size: var(--step--2); color: var(--paper-3); margin-bottom: 0.6rem; }

.input {
  width: 100%; padding: 0.85rem 1rem;
  color: var(--paper);
  background: color-mix(in srgb, var(--void) 55%, transparent);
  border: 1px solid var(--line-strong); border-radius: var(--r-md);
  transition: border-color var(--dur-2), box-shadow var(--dur-2), background var(--dur-2);
}
.input::placeholder { color: var(--paper-3); }
.input:hover { border-color: color-mix(in srgb, var(--gold-dim) 55%, transparent); }
.input:focus {
  outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--gold) 22%, transparent);
}
.has-error .input { border-color: #ff6b6b; }

.field__error {
  display: block; min-height: 1.1em; margin-top: 0.4rem;
  font-size: var(--step--2); color: #ff8a8a;
}

/* --- Choice pills ----------------------------------------------------------- */
.choice { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.choice__opt {
  padding: 0.7rem 1.4rem;
  font-size: var(--step--1); font-weight: 500; color: var(--paper-2);
  border: 1px solid var(--line-strong); border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--ink-3) 60%, transparent);
  transition: transform var(--dur-2) var(--ease-drop), color var(--dur-1),
              border-color var(--dur-1), box-shadow var(--dur-2), background var(--dur-2);
}
.choice__opt:hover { color: var(--paper); border-color: var(--gold-dim); transform: translateY(-2px); }
.choice__opt[aria-checked="true"] {
  color: var(--on-gold); background: var(--gold);
  border-color: transparent; 
}

/* --- 1–5 experience scale ----------------------------------------------------- */
.scale { display: flex; gap: 0.45rem; }
.scale__opt {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; align-items: center; gap: 0.25rem;
  padding: 0.7rem 0.3rem;
  font-family: var(--font-mono); font-size: var(--step-1); font-weight: 600;
  color: var(--paper-2);
  border: 1px solid var(--line-strong); border-radius: var(--r-md);
  background: color-mix(in srgb, var(--ink-3) 60%, transparent);
  transition: transform var(--dur-2) var(--ease-drop), color var(--dur-1),
              border-color var(--dur-1), box-shadow var(--dur-2), background var(--dur-2);
}
.scale__opt small { font-family: var(--font-sans); font-size: 0.6rem; font-weight: 400; color: var(--paper-3); text-align: center; line-height: 1.2; }
.scale__opt:hover { color: var(--paper); border-color: var(--gold-dim); transform: translateY(-3px); }
.scale__opt[aria-checked="true"] {
  color: var(--on-gold); background: var(--gold);
  border-color: transparent; 
}
.scale__opt[aria-checked="true"] small { color: color-mix(in srgb, var(--on-gold) 75%, transparent); }
.scale__ends {
  display: flex; justify-content: space-between; margin-top: 0.45rem;
  font-size: var(--step--2); color: var(--paper-3);
}

/* --- Review ------------------------------------------------------------------- */
.review { display: grid; gap: 0; margin: 0 0 var(--sp-6); }
.review__row {
  display: grid; grid-template-columns: minmax(0, 200px) minmax(0, 1fr); gap: var(--sp-4);
  padding: 0.85rem 0; border-bottom: 1px solid var(--line);
}
.review__row dt { font-size: var(--step--1); color: var(--paper-3); }
.review__row dd { margin: 0; font-size: var(--step--1); font-weight: 500; }
@media (max-width: 520px) { .review__row { grid-template-columns: 1fr; gap: 0.15rem; } }

/* --- Actions & status ----------------------------------------------------------- */
.step__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-6); }

[data-submit][data-busy] { pointer-events: none; }
[data-submit][data-busy]::after {
  content: ""; width: 15px; height: 15px; margin-left: 0.4rem;
  border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { rotate: 360deg; } }

.form-status {
  display: flex; flex-direction: column; gap: 0.2rem;
  margin-top: var(--sp-5); padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-md); border: 1px solid var(--line-strong);
  font-size: var(--step--1);
  background: color-mix(in srgb, var(--ink-3) 70%, transparent);
}
.form-status span { color: var(--paper-2); }
.form-status[data-kind="pending"] { border-color: color-mix(in srgb, var(--gold) 55%, transparent); }
.form-status[data-kind="error"]   { border-color: #ff6b6b; }
.form-status[data-kind="error"] strong { color: #ff8a8a; }

/* --- Success ----------------------------------------------------------------------- */
.success { text-align: center; padding: var(--sp-7) var(--sp-4); }
.success h2:focus { outline: none; }
.success__seal {
  width: 96px; height: 96px; margin: 0 auto var(--sp-5);
  border-radius: 50%; display: grid; place-items: center;
  background: var(--gold); 
  animation: seal-pop var(--dur-4) var(--ease-drop);
}
.success__seal svg { width: 46px; height: 46px; color: var(--on-gold); }
@keyframes seal-pop { from { scale: 0.4; opacity: 0; rotate: -25deg; } to { scale: 1; opacity: 1; rotate: 0deg; } }
.success p { color: var(--paper-2); max-width: 52ch; margin-inline: auto; }
.success__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); justify-content: center; margin-top: var(--sp-6); }

/* --- Embed --------------------------------------------------------------------------- */
.embed-frame {
  width: 100%; height: min(78vh, 1100px);
  border: 1px solid var(--line); border-radius: var(--r-md);
  background: #fff;
}
.embed-note {
  display: flex; gap: var(--sp-3); align-items: flex-start;
  padding: var(--sp-4) var(--sp-5); margin-bottom: var(--sp-5);
  border: 1px solid var(--line-strong); border-radius: var(--r-md);
  background: color-mix(in srgb, var(--ink-3) 65%, transparent);
  font-size: var(--step--1); color: var(--paper-2);
}
.embed-note svg { flex: none; width: 20px; height: 20px; color: var(--gold); margin-top: 0.15em; }

/* --- Aside ------------------------------------------------------------------------------ */
.reg__aside { display: grid; gap: var(--sp-5); position: sticky; top: calc(var(--nav-h) + 1.5rem); }
@media (max-width: 940px) { .reg__aside { position: static; } }
.aside-card {
  padding: var(--sp-5);
  border: 1px solid var(--line); border-radius: var(--r-md);
  background: color-mix(in srgb, var(--ink-2) 55%, transparent);
}
.aside-card h3 { font-size: var(--step-0); margin-bottom: var(--sp-3); }
.aside-card ul { list-style: none; padding: 0; display: grid; gap: 0.65rem; }
.aside-card li { display: flex; gap: 0.6rem; font-size: var(--step--1); color: var(--paper-2); }
.aside-card li svg { flex: none; width: 16px; height: 16px; color: var(--gold); margin-top: 0.28em; }

/* The fee notice leads the aside, so it is marked rather than left to blend in. */
.aside-card--flag { border-color: var(--line-strong); }
.aside-card--flag h3 { color: var(--gold); }