:root {
  --apg-bg: rgba(8, 11, 28, 0.96);
  --apg-bg-soft: rgba(17, 23, 52, 0.92);
  --apg-card: linear-gradient(180deg, rgba(15, 20, 48, 0.94), rgba(10, 14, 35, 0.98));
  --apg-panel: rgba(255, 255, 255, 0.04);
  --apg-panel-strong: rgba(255, 255, 255, 0.06);
  --apg-ink: #f6f7ff;
  --apg-muted: rgba(230, 234, 255, 0.7);
  --apg-line: rgba(154, 128, 255, 0.18);
  --apg-line-strong: rgba(154, 128, 255, 0.3);
  --apg-accent: #7c3aed;
  --apg-accent-deep: #5b21b6;
  --apg-accent-bright: #9f67ff;
  --apg-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

.apg-shell {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding: 12px 0;
  background:
    radial-gradient(circle at top center, rgba(124, 58, 237, 0.3), transparent 36%),
    linear-gradient(180deg, rgba(18, 24, 58, 0.75), rgba(5, 7, 22, 0.98));
  border: 1px solid rgba(124, 58, 237, 0.12);
  border-radius: 18px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.apg-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(124, 58, 237, 0.08), transparent 40%),
    radial-gradient(circle at bottom right, rgba(88, 28, 135, 0.28), transparent 30%);
  pointer-events: none;
}

.apg-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 20px;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.apg-mode,
.apg-button,
.apg-setting-label,
.apg-setting-value,
.apg-strength strong,
.apg-status,
.apg-toggle span,
.apg-meter-top,
.apg-output {
  font-family: inherit;
}

.apg-strength span,
.apg-setting-row p,
.apg-hint p {
  display: block;
  color: var(--apg-muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

.apg-controls {
  display: inline-flex;
  gap: 8px;
  margin: 0 0 20px;
  padding: 8px;
  border: 1px solid var(--apg-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.apg-mode,
.apg-button {
  border: 0;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.apg-mode {
  padding: 14px 18px;
  border-radius: 14px;
  background: transparent;
  color: var(--apg-muted);
  font-size: 0.98rem;
  font-weight: 700;
}

.apg-mode.is-active {
  background: linear-gradient(135deg, rgba(159, 103, 255, 0.24), rgba(124, 58, 237, 0.42));
  color: var(--apg-ink);
  box-shadow: 0 14px 28px rgba(91, 33, 182, 0.3);
}

.apg-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.92fr);
  gap: 20px;
  align-items: stretch;
}

.apg-panel {
  padding: 22px;
  border: 1px solid var(--apg-line);
  border-radius: 18px;
  background: var(--apg-card);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.apg-output {
  width: 100%;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--apg-ink);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  box-sizing: border-box;
}

.apg-output::placeholder {
  color: rgba(230, 234, 255, 0.46);
}

.apg-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.apg-button {
  padding: 14px 18px;
  border-radius: 16px;
  font-size: 0.95rem;
  font-weight: 700;
}

.apg-button:hover,
.apg-mode:hover {
  transform: translateY(-1px);
}

.apg-button-primary {
  background: linear-gradient(135deg, var(--apg-accent-bright), var(--apg-accent));
  color: #fff;
  box-shadow: 0 16px 28px rgba(124, 58, 237, 0.32);
}

.apg-button-primary:hover {
  background: linear-gradient(135deg, #b78aff, #7c3aed);
}

.apg-button-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--apg-ink);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.apg-button-tertiary {
  background: rgba(124, 58, 237, 0.14);
  color: #d8c7ff;
  border: 1px solid rgba(124, 58, 237, 0.24);
}

.apg-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.apg-meter {
  margin-top: 22px;
}

.apg-meter-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  color: var(--apg-ink);
  font-weight: 700;
}

.apg-meter-bar {
  position: relative;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.apg-meter-bar span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #ef4444, #f97316);
  box-shadow: 0 0 16px rgba(249, 115, 22, 0.25);
  transition: width 0.2s ease;
}

.apg-meter-bar span[data-tone="fair"] {
  background: linear-gradient(90deg, #fb7185, #f97316);
}

.apg-meter-bar span[data-tone="good"] {
  background: linear-gradient(90deg, #8b5cf6, #7c3aed);
  box-shadow: 0 0 16px rgba(124, 58, 237, 0.34);
}

.apg-meter-bar span[data-tone="strong"] {
  background: linear-gradient(90deg, #a855f7, #7c3aed);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.4);
}

.apg-meter-bar span[data-tone="elite"] {
  background: linear-gradient(90deg, #c084fc, #8b5cf6);
  box-shadow: 0 0 22px rgba(168, 85, 247, 0.45);
}

.apg-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.apg-strength {
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  background: var(--apg-panel);
}

.apg-strength strong {
  display: block;
  margin-top: 6px;
  color: var(--apg-ink);
  font-size: 1rem;
}

.apg-status {
  min-height: 24px;
  margin: 18px 0 0;
  color: #d8c7ff;
  font-size: 0.96rem;
  font-weight: 700;
}

.apg-setting-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.apg-setting-label {
  display: block;
  margin-bottom: 6px;
  color: var(--apg-ink);
  font-size: 1rem;
  font-weight: 700;
}

.apg-setting-row p {
  margin: 0;
  max-width: 34ch;
}

.apg-setting-value {
  color: #c5a5ff;
  font-size: 2rem;
  line-height: 1;
}

.apg-range {
  width: 100%;
  margin: 20px 0 16px;
  accent-color: var(--apg-accent-bright);
}

.apg-option-list {
  display: grid;
  gap: 12px;
}

.apg-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: var(--apg-panel);
}

.apg-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--apg-accent-bright);
}

.apg-toggle span {
  color: var(--apg-ink);
  font-size: 0.96rem;
  font-weight: 700;
}

.apg-hint {
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px solid var(--apg-line-strong);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.13), rgba(91, 33, 182, 0.08));
}

.apg-hint strong {
  display: block;
  margin-bottom: 6px;
  color: #efe7ff;
}

.apg-hint p {
  margin: 0;
}

@media (max-width: 880px) {
  .apg-grid {
    grid-template-columns: 1fr;
  }

  .apg-controls {
    display: flex;
  }
}

@media (max-width: 640px) {
  .apg-shell {
    padding: 8px 0;
    border-radius: 14px;
  }

  .apg-card {
    padding: 12px;
  }

  .apg-controls,
  .apg-actions {
    flex-direction: column;
  }

  .apg-mode,
  .apg-button {
    width: 100%;
  }

  .apg-meta {
    grid-template-columns: 1fr;
  }

  .apg-setting-row {
    flex-direction: column;
  }
}