:root {
  --tas-primary: #0A74B9;
  --tas-primary-dark: #085d94;
  --tas-border: #e4e4e4;
  --tas-field-bg: #f4f4f4;
  --tas-text: #0e0e0e;
  --tas-muted: #5f7383;
  --tas-danger: #b42318;
  --tas-ok: #067647;
  --tas-ok-bg: #ecfdf3;
}

.tas-sf-wrap {
  max-width: 100%;
  margin: 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  font-family: inherit;
  color: var(--tas-text);
}

.tas-sf-layout-card {
  max-width: 760px;
  margin: 0 auto;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.tas-sf-title {
  margin: 0 0 0.35rem;
  font-size: 1.6rem;
  color: var(--tas-primary);
}

.tas-sf-sub {
  margin: 0 0 1.25rem;
  color: var(--tas-muted);
  font-size: 0.95rem;
}

.tas-sf-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.tas-sf-field-full {
  grid-column: 1 / -1;
}

.tas-sf-field-half {
  grid-column: span 1;
}

.tas-sf-field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.86rem;
  font-weight: 600;
}

.tas-sf-field label span {
  color: var(--tas-danger);
}

.tas-sf-field input,
.tas-sf-field select,
.tas-sf-field textarea {
  width: 100%;
  box-sizing: border-box;
  border: 0;
  border-radius: 6px;
  padding: 0.75rem 0.9rem;
  font: inherit;
  font-size: 14px;
  color: var(--tas-text);
  background: var(--tas-field-bg);
  box-shadow: none;
  transition: box-shadow 0.15s ease, background 0.15s ease;
}

.tas-sf-layout-footer .tas-sf-field input,
.tas-sf-layout-footer .tas-sf-field textarea {
  border-radius: 1px;
}

.tas-sf-layout-card .tas-sf-field input,
.tas-sf-layout-card .tas-sf-field select,
.tas-sf-layout-card .tas-sf-field textarea {
  border-radius: 10px;
}

.tas-sf-field input:focus-visible,
.tas-sf-field select:focus-visible,
.tas-sf-field textarea:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(10, 116, 185, 0.28);
  background: #fff;
}

.tas-sf-field input:focus,
.tas-sf-field select:focus,
.tas-sf-field textarea:focus {
  outline: none;
}

.tas-sf-field.is-invalid input,
.tas-sf-field.is-invalid select,
.tas-sf-field.is-invalid textarea {
  box-shadow: 0 0 0 2px rgba(180, 35, 24, 0.35);
}

.tas-sf-field.is-invalid .tas-sf-error {
  display: block;
}

.tas-sf-error {
  display: none;
  margin-top: 0.3rem;
  color: var(--tas-danger);
  font-size: 0.78rem;
}

.tas-sf-field.is-invalid .tas-sf-error:empty {
  display: none;
}

.tas-sf-hp {
  position: absolute !important;
  left: -10000px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.tas-sf-progress {
  height: 3px;
  margin: 0 0 0.85rem;
  border-radius: 999px;
  background: #e8eef3;
  overflow: hidden;
}

.tas-sf-progress-bar {
  width: 40%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--tas-primary), #4aa3d8, var(--tas-primary));
  background-size: 200% 100%;
  animation: tas-progress 1.1s linear infinite;
}

@keyframes tas-progress {
  0% { transform: translateX(-40%); background-position: 0% 0; }
  100% { transform: translateX(220%); background-position: 100% 0; }
}

.tas-sf-actions {
  margin-top: 0.35rem;
}

.tas-sf-submit {
  appearance: none;
  border: 0;
  border-radius: 10px;
  background: var(--tas-primary);
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 0.85rem 1.35rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  box-shadow: none;
  transition: background 0.15s ease;
}

.tas-sf-layout-card .tas-sf-submit {
  border-radius: 20px;
  padding: 16px 50px;
}

.tas-sf-layout-footer .tas-sf-submit,
.tas-sf-layout-compact .tas-sf-submit {
  width: 100%;
  justify-content: center;
  border-radius: 10px;
  padding: 15px;
}

.tas-sf-layout-footer .tas-sf-submit {
  border-radius: 4px;
}

.tas-sf-submit:hover {
  background: var(--tas-primary-dark);
}

.tas-sf-submit:disabled {
  opacity: 0.75;
  cursor: wait;
}

.tas-sf-spinner {
  display: none;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: tas-spin 0.7s linear infinite;
}

.tas-sf-form.is-loading .tas-sf-spinner {
  display: inline-block;
}

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

.tas-sf-status {
  margin-top: 0.75rem;
  min-height: 1.1rem;
  font-size: 0.9rem;
}

.tas-sf-status.is-ok { color: var(--tas-ok); }
.tas-sf-status.is-err { color: var(--tas-danger); }

.tas-sf-success-panel {
  margin: 0.25rem 0 0.5rem;
  padding: 1rem 1.1rem;
  border-radius: 10px;
  background: var(--tas-ok-bg);
  border: 1px solid #abefc6;
  outline: none;
  box-shadow: none;
}

.tas-sf-success-title {
  margin: 0 0 0.35rem;
  color: var(--tas-ok);
  font-size: 1.1rem;
}

.tas-sf-success-text {
  margin: 0;
  color: #085d3a;
}

.tas-sf-another {
  appearance: none;
  margin-top: 0.85rem;
  border: 1px solid #abefc6;
  background: #fff;
  color: var(--tas-ok);
  font: inherit;
  font-weight: 600;
  border-radius: 8px;
  padding: 0.55rem 1rem;
  cursor: pointer;
  box-shadow: none;
}

.tas-sf-sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.tas-sf-layout-footer .tas-sf-grid,
.tas-sf-layout-compact .tas-sf-grid {
  gap: 16px;
}

.tas-sf-layout-footer .tas-sf-grid {
  grid-template-columns: 1fr;
}

@media (min-width: 641px) {
  .tas-sf-layout-footer .tas-sf-grid {
    grid-template-columns: 1fr 1fr;
  }

  .tas-sf-layout-footer .tas-sf-field-full {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .tas-sf-grid {
    grid-template-columns: 1fr;
  }

  .tas-sf-layout-card .tas-sf-submit {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tas-sf-spinner,
  .tas-sf-progress-bar {
    animation: none;
  }
}