.msf {
  background: var(--bg-surface, #fff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 1.25rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.msf-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.msf-h {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0;
  background: linear-gradient(135deg, var(--text-base, #0f172a) 0%, color-mix(in srgb, var(--text-base, #0f172a) 65%, var(--accent, #6366f1)) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.msf-u {
  display: flex;
  background: var(--bg-muted, #f1f5f9);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 0.45rem;
  padding: 0.1rem;
  gap: 0.1rem;
}

.msf-u-btn {
  padding: 0.25rem 0.55rem;
  border: none;
  border-radius: 0.35rem;
  background: transparent;
  color: var(--text-muted, #475569);
  font-size: 0.7rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.msf-u-on {
  background: var(--accent, #6366f1);
  color: var(--color-white, #fff);
}

.msf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

@media (max-width: 480px) { .msf-grid { grid-template-columns: repeat(2, 1fr); } }

.msf-f {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  cursor: pointer;
}

.msf-f-l {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-base, #0f172a);
  opacity: 0.5;
}

.msf-f-i {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 0.65rem;
  background: var(--bg-page, #f8fafc);
  color: var(--text-base, #0f172a);
  font-size: 0.85rem;
  font-weight: 600;
  width: 100%;
  box-sizing: border-box;
  transition: all 0.2s;
  font-variant-numeric: tabular-nums;
}

.msf-f-i:focus {
  outline: none;
  border-color: var(--accent, #6366f1);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent, #6366f1) 15%, transparent);
  background: var(--bg-surface, #fff);
}

.msf-r {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  background: color-mix(in srgb, var(--bg-page, #f8fafc) 50%, var(--bg-surface, #fff));
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 1rem;
  padding: 1rem;
  animation: msf-in 0.25s ease;
}

@keyframes msf-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.msf-r-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

@media (max-width: 400px) { .msf-r-grid { grid-template-columns: 1fr; } }

.msf-r-c {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  padding: 0.6rem 0.4rem;
  background: var(--bg-surface, #fff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 0.75rem;
  text-align: center;
}

.msf-r-c-l {
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.45;
}

.msf-r-c-v {
  font-size: 1rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--text-base, #0f172a);
}

.msf-r-bot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border-color, #e2e8f0);
  flex-wrap: wrap;
}

.msf-r-bot-i {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.msf-r-bot-l {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.45;
}

.msf-badge {
  padding: 0.15rem 0.5rem;
  border-radius: 99px;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--color-white, #fff);
}

.msf-r-bot-v {
  font-size: 0.78rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  opacity: 0.85;
}

.msf-steps {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.85rem;
  background: var(--bg-page, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 0.75rem;
}

.msf-step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  line-height: 1.35;
  color: var(--text-base, #0f172a);
  opacity: 0.7;
}

.msf-step-n {
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent, #6366f1) 15%, var(--bg-surface, #fff));
  color: var(--accent, #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 800;
  flex-shrink: 0;
}

.msf-tip {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 0.6rem 0.75rem;
  background: color-mix(in srgb, var(--color-warning, #f59e0b) 8%, var(--bg-surface, #fff));
  border: 1px solid color-mix(in srgb, var(--color-warning, #f59e0b) 18%, var(--border-color, #e2e8f0));
  border-radius: 0.6rem;
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--text-base, #0f172a);
  opacity: 0.8;
}

.msf-tip svg { color: var(--color-warning, #f59e0b); }