.reg-body {
  min-height: 100vh;
  background:
    radial-gradient(ellipse 50% 40% at 10% 0%, rgba(242, 107, 58, 0.12), transparent 55%),
    linear-gradient(180deg, #e8eef0, #f5f8f9);
}

.reg-main {
  padding: 1.25rem var(--pad-x) 3rem;
}

.reg-shell {
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.5rem 1.35rem 1.6rem;
  box-shadow: 0 18px 50px rgba(6, 40, 48, 0.08);
}

.reg-kicker {
  margin: 0 0 0.4rem;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.reg-shell > h1 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  letter-spacing: -0.03em;
  color: var(--ink);
}

.reg-lead {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.reg-steps {
  list-style: none;
  margin: 1.25rem 0 1rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.4rem;
}

@media (max-width: 520px) {
  .reg-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

.ksef-phase.hidden {
  display: none;
}

.ksef-steps-list {
  margin: 0 0 1.25rem;
  padding: 0 0 0 1.15rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.ksef-steps-list li + li {
  margin-top: 0.4rem;
}

.ksef-status {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(6, 40, 48, 0.12);
  background: rgba(6, 40, 48, 0.04);
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.45;
}

.ksef-status.is-empty {
  display: none;
}

.reg-actions--split {
  flex-wrap: wrap;
  gap: 0.55rem;
}

.reg-steps li {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.55rem 0.35rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--paper);
}

.reg-steps li.is-active {
  border-color: rgba(242, 107, 58, 0.45);
  color: var(--ink);
  background: rgba(242, 107, 58, 0.1);
}

.reg-steps li.is-done {
  border-color: rgba(61, 154, 106, 0.35);
  color: var(--ink);
}

.reg-panel {
  display: none;
}

.reg-panel.is-active {
  display: block;
}

.reg-panel h2 {
  margin: 0 0 0.85rem;
  font-size: 1.15rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.reg-hint {
  margin: -0.35rem 0 0.9rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.reg-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 0.85rem;
}

.reg-grid label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--ink);
}

.reg-grid .span-2 {
  grid-column: span 2;
}

.reg-grid input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
  font: inherit;
  background: #fff;
  color: var(--text);
}

.reg-grid input:focus {
  outline: 2px solid rgba(242, 107, 58, 0.35);
  border-color: rgba(242, 107, 58, 0.55);
}

.reg-grid input.is-invalid {
  border-color: #c53030;
  background: #fff5f5;
  outline: 2px solid rgba(197, 48, 48, 0.2);
}

.nip-row {
  display: flex;
  gap: 0.5rem;
}

.nip-row input {
  flex: 1;
  min-width: 0;
}

.dark-btn {
  border: 1px solid var(--line) !important;
  color: var(--ink) !important;
  background: var(--paper) !important;
  box-shadow: none !important;
}

.dark-btn:hover {
  background: #edf2f4 !important;
  transform: translateY(-1px);
}

.reg-actions .btn.primary {
  min-width: 7.5rem;
}

.reg-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: flex-end;
  margin-top: 1.25rem;
}

.reg-error {
  margin: 0 0 0.85rem;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  background: #fdeceb;
  color: #9b2c2c;
  font-size: 0.9rem;
}

.reg-msg {
  margin: 0 0 0.85rem;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  background: rgba(61, 154, 106, 0.12);
  color: #1f6b45;
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

.reg-card-box {
  margin: 0 0 1rem;
  padding: 1.15rem 1.2rem;
  border-radius: 16px;
  background: linear-gradient(145deg, #0b3d4a, #062830);
  color: #fff;
  min-height: 8rem;
  display: grid;
  gap: 0.85rem;
  align-content: end;
}

.reg-card-chip {
  width: 2.2rem;
  height: 1.55rem;
  border-radius: 6px;
  background: linear-gradient(135deg, #e8c547, #f26b3a);
}

.reg-card-num {
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}

.reg-card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

.reg-body.reg-locked .nav-links,
.reg-body.reg-locked .reg-steps,
.reg-body.reg-locked #reg-form,
.reg-body.reg-locked .reg-lead,
.reg-body.reg-locked .reg-kicker,
.reg-body.reg-locked .reg-shell > h1 {
  pointer-events: none;
  user-select: none;
}

.reg-body.reg-locked #reg-form,
.reg-body.reg-locked .reg-steps,
.reg-body.reg-locked .reg-lead,
.reg-body.reg-locked .reg-shell > h1,
.reg-body.reg-locked .reg-kicker,
.reg-body.reg-locked #reg-error,
.reg-body.reg-locked #reg-msg {
  display: none !important;
}

.reg-done {
  position: relative;
  z-index: 5;
  margin: 0.5rem 0 1rem;
}

.reg-done.hidden {
  display: none;
}

.reg-done-card {
  padding: 1.35rem 1.2rem 1.45rem;
  border-radius: 16px;
  border: 1px solid rgba(34, 120, 90, 0.22);
  background:
    linear-gradient(180deg, rgba(34, 120, 90, 0.08), rgba(34, 120, 90, 0.02)),
    #fff;
  text-align: center;
}

.reg-done-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #1f7a55;
}

.reg-done-card h2 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.reg-done-text {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.reg-done-note {
  margin: 1rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.reg-done-spinner {
  width: 1.65rem;
  height: 1.65rem;
  margin: 1.1rem auto 0;
  border-radius: 50%;
  border: 2px solid rgba(31, 122, 85, 0.2);
  border-top-color: #1f7a55;
  animation: reg-spin 0.75s linear infinite;
}

@keyframes reg-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 560px) {
  .reg-grid {
    grid-template-columns: 1fr;
  }

  .reg-grid .span-2 {
    grid-column: auto;
  }

  .nip-row {
    flex-direction: column;
  }
}