/* DDA Registration – Modern UI v4 */
.dda-form {
  --pink:#f6b7ca;
  --pink-open:#f9c9d7;
  --purple:#c3a6dd;
  --purple-open:#ddc6ea;
  --accent:#8c53b7;
  --ink:#1f1b24;
  --muted:#6b6770;
  --danger:#c62828;
  --ok:#2e7d32;
  --bg:#ffffff;
  --card:#ffffff;
  --ring: 0 0 0 4px rgba(140,83,183,.15);
  color: var(--ink);
}

@media (prefers-color-scheme: dark){
  .dda-form { --ink:#f2edf7; --muted:#b9b4c1; --bg:#141018; --card:#1b1620; --danger:#ef5350; }
}

.dda-title{
  font-weight:900; letter-spacing: .3px; line-height:1.1;
  font-size: clamp(24px, 2.2vw, 32px);
  margin: 4px 0 18px;
  background: linear-gradient(90deg, var(--purple), var(--pink));
  -webkit-background-clip:text; background-clip:text; color: transparent;
}

.dda-grid{ max-width: 980px; margin: 0 auto; display:grid; gap:18px; }

/* Cards */
fieldset{
  border: 0;
  background: var(--card);
  border-radius: 16px;
  padding: 18px 16px;
  box-shadow: 0 10px 24px rgba(31,27,36,.08);
}
legend{
  padding: 0 6px 10px;
  font-weight: 800;
  color: var(--accent);
  font-size: 16px;
}

/* Field layout */
label{ display:grid; grid-template-columns: 1fr; gap:10px; }
label > span{ font-weight:700; color: var(--ink); display:inline-block; }
.req{ color: var(--danger); margin-left:6px; font-weight:800; }
.opt{ color: var(--muted); margin-left:6px; }

input[type="text"], input[type="email"], select{
  appearance: none;
  border: 1px solid rgba(110, 108, 115, .25);
  background: var(--bg);
  color: var(--ink);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 16px;
  line-height: 1.3;
  width: 100%;
  transition: border-color .2s, box-shadow .2s, transform .06s;
  box-shadow: 0 1px 0 rgba(0,0,0,.02) inset;
}
input:focus, select:focus{
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--ring);
}

select{
  background-image:
    linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%),
    linear-gradient(to right, rgba(0,0,0,0.15), rgba(0,0,0,0.15));
  background-position:
    calc(100% - 18px) calc(1em + 2px),
    calc(100% - 13px) calc(1em + 2px),
    calc(100% - 2.5em) .8em;
  background-size: 6px 6px, 6px 6px, 1px 1.6em;
  background-repeat: no-repeat;
}

/* Acceptance */
.dda-accept{ display:flex; align-items:center; gap:10px; font-size:15px; color: var(--ink); }
.dda-accept input{ transform: translateY(1px); }

/* Alerts */
.dda-alert{ padding: 14px 16px; border-radius: 12px; border: 1px solid transparent; }
.dda-alert-danger{ background: #ffe8ec; border-color:#ffc6d0; color:#7a1a1a; }
.dda-alert-ok{ background: #eaf7ee; border-color:#c8e6c9; color:#1b5e20; }
@media (prefers-color-scheme: dark){
  .dda-alert-danger{ background: #3b1f28; border-color:#8b3a4a; color:#ffb3c2; }
  .dda-alert-ok{ background: #1b3320; border-color:#2f5f3a; color:#cdebd6; }
}

/* Actions */
.dda-actions{ display:flex; justify-content:flex-end; margin-top:6px; }
.dda-btn{
  background: linear-gradient(90deg, var(--purple), var(--pink));
  color: #111;
  border: none;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 900;
  letter-spacing: .25px;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(140,83,183,.25);
  transition: transform .12s ease, filter .12s ease, box-shadow .12s ease;
}
.dda-btn:hover{ transform: translateY(-1px); filter: brightness(1.05); }
.dda-btn:active{ transform: translateY(0); }

/* Grid at larger screens */
@media (min-width: 760px){
  .dda-grid{ grid-template-columns: 1fr; }
  fieldset { padding: 20px; }
  fieldset .grid-2 { display:grid; grid-template-columns: 1fr 1fr; gap:14px; }
}

/* Compact spacing for consecutive labels */
fieldset label + label { margin-top: 8px; }

/* Subtle section dividers inside fieldsets (optional utility class) */
.divider{ height:1px; background: rgba(110, 108, 115, .18); margin: 8px 0; border-radius:2px; }


/* --- Hardening to resist theme styles --- */
.dda-form * { box-sizing: border-box; }
.dda-form fieldset { border: 0 !important; }
.dda-form label { display: grid !important; grid-template-columns: 1fr !important; }
.dda-form label > span { display: inline-block !important; margin-bottom: 6px; }
.dda-form input[type="text"],
.dda-form input[type="email"],
.dda-form input[type="date"],
.dda-form select { width: 100% !important; display: block !important; }
.dda-form .dda-grid { max-width: 980px; margin: 0 auto; display: grid; gap: 18px; }
@media (min-width: 760px){
  .dda-form .dda-grid { grid-template-columns: 1fr; }
}


/* v15: submit overlay to avoid perceived flicker, keep button width stable */
.dda-form .dda-grid { position: relative; }
.dda-form .dda-submit-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10;
  border-radius: 16px;
}
.dda-form.is-submitting .dda-submit-overlay { display: flex; }

/* Spinner */
.dda-spinner {
  width: 32px; height: 32px; border-radius: 50%;
  border: 3px solid rgba(140,83,183,.25);
  border-top-color: rgba(140,83,183,.9);
  animation: ddaSpin 0.8s linear infinite;
}
@keyframes ddaSpin { to { transform: rotate(360deg); } }

/* Keep button width stable when disabling */
.dda-btn { min-width: 140px; }
.dda-btn[aria-busy="true"] { opacity: .8; cursor: progress; }