.product-start {
  min-height: 100vh;
  height: auto !important;
  padding: 28px !important;
  display: flex;
  align-items: center !important;
  justify-content: center !important;
  background:
    radial-gradient(circle at 10% 4%, rgba(98, 133, 243, .13), transparent 30rem),
    #111a2a !important;
  color: #f8fafc;
}

.product-shell {
  width: min(1120px, 100%);
  display: grid;
  gap: 32px;
}

.product-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(148, 163, 184, .18);
  color: #a9b5c5;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
}

.product-nav a {
  padding: 8px 0;
  color: #a9b5c5;
  text-decoration: none;
  letter-spacing: .04em;
}
.product-nav a:hover { color: #fff; }

.product-heading { display: grid; gap: 12px; }
.product-kicker {
  color: #6f8ff2;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
}
.product-heading h1,
#start-container .product-heading h1 {
  width: auto;
  margin: 0;
  font-size: clamp(44px, 7vw, 76px);
  line-height: 1;
  letter-spacing: -.05em;
}

.product-settings {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.product-field {
  display: grid;
  gap: 9px;
  color: #d9e2ef;
  font-size: 14px;
  font-weight: 700;
}
.product-field input,
.product-static {
  width: 100% !important;
  height: 58px;
  margin: 0 !important;
  padding: 0 17px !important;
  display: flex;
  align-items: center;
  border: 1px solid rgba(148, 163, 184, .45) !important;
  border-radius: 12px !important;
  outline: 0;
  background: #f8fafc !important;
  color: #111827 !important;
  font-size: 18px !important;
  text-align: left !important;
}
.product-field input:focus {
  border-color: #6f8ff2 !important;
  box-shadow: 0 0 0 4px rgba(98, 133, 243, .18);
}
.product-static { color: #334155 !important; }

.product-toggle {
  width: fit-content;
  display: flex;
  gap: 10px;
  align-items: center;
  color: #d9e2ef;
  font-size: 15px;
  cursor: pointer;
}
.product-toggle input { width: 18px; height: 18px; accent-color: #6285f3; }

.product-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.product-actions .mode-btn {
  width: 100%;
  min-height: 112px;
  margin: 0;
  padding: 24px 26px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  border: 0;
  border-radius: 16px;
  color: #fff;
  text-align: left;
  box-shadow: none;
  transition: transform .18s ease, filter .18s ease;
}
.product-actions .mode-btn:hover { transform: translateY(-2px); filter: brightness(.96); }
.product-actions .mode-btn strong {
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -.025em;
  text-align: left;
}
.product-actions .mode-btn::after { content: "↗"; font-size: 25px; font-weight: 400; opacity: .76; }
.product-actions .btn-exam { background: #c85b4f; }
.product-actions .btn-study { background: #5d7fe5; }

.product-records { display: grid; gap: 12px; justify-items: start; }
.product-records .record-btn,
.product-records .records-btn {
  width: auto;
  margin: 0;
  padding: 11px 16px;
  border: 1px solid rgba(148, 163, 184, .18);
  border-radius: 10px;
  background: #0a1020;
  color: #f8fafc;
  font-size: 14px;
}
.product-records #records-list {
  width: 100%;
  max-height: 180px;
  margin: 0 !important;
  padding: 12px;
  overflow: auto;
  border: 1px solid rgba(148, 163, 184, .18);
  border-radius: 10px;
  background: rgba(8, 15, 30, .55) !important;
  color: #d9e2ef !important;
  text-align: left !important;
}

@media (max-width: 760px) {
  .product-start { padding: 20px !important; align-items: flex-start !important; }
  .product-shell { gap: 25px; }
  .product-settings, .product-actions { grid-template-columns: 1fr; }
  .product-heading h1, #start-container .product-heading h1 { font-size: clamp(38px, 12vw, 58px); }
  .product-actions .mode-btn { min-height: 92px; }
}