/* ==================== Converter Promo ==================== */
.converter-inner {
  display: grid;
  gap: 1.4rem;
}

/* 1. Screenshot */
.converter-shot {
  margin: 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: rgba(8, 10, 10, 0.6);
}
.converter-shot img {
  display: block;
  width: 100%;
  height: auto;
}

/* 2. Key Features */
.converter-features {
  padding: 0;
}
.converter-features-title {
  margin: 0 0 0.7rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.converter-features-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.converter-features-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.4;
}
.converter-features-list svg {
  width: 0.9rem;
  height: 0.9rem;
  color: var(--accent);
  flex-shrink: 0;
}

/* 3. Download */
.converter-download {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
  border: 1px solid rgba(var(--accent-rgb), 0.18);
  border-radius: var(--radius-card);
  background: rgba(8, 10, 10, 0.6);
}
.converter-download-info {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
}
.converter-download-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 2px;
  background: #050606;
}
.converter-download-title {
  margin: 0 0 0.2rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}
.converter-download-sub {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}
.converter-download-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}
.converter-meta-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  background: #0a0c0c;
  color: rgba(245, 246, 251, 0.82);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.converter-meta-chip--version {
  color: var(--accent);
  border-color: rgba(var(--accent-rgb), 0.35);
  background: rgba(var(--accent-rgb), 0.06);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.converter-download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.4rem;
  border-radius: 10px;
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.15), rgba(74, 242, 197, 0.1));
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.converter-download-btn:hover {
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.25), rgba(74, 242, 197, 0.18));
  border-color: rgba(var(--accent-rgb), 0.6);
  box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.25);
}
.converter-download-btn.is-disabled {
  opacity: 0.5;
  pointer-events: none;
}
.converter-platform-icons {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.platform-icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}
.platform-separator {
  opacity: 0.5;
}
.converter-status {
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: var(--muted-soft);
}

@media (max-width: 720px) {
  .converter-download {
    padding: 1rem;
  }
  .converter-download-info {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .converter-download-btn {
    width: 100%;
  }
}

.converter-showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.25fr);
  gap: 1.2rem;
  align-items: center;
}

.converter-kicker {
  margin-bottom: 0.35rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.converter-lead {
  margin-bottom: 0.7rem;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.45;
}

.converter-image {
  position: relative;
  margin: 0;
  padding: 0;
  border-radius: 0;
  border: none;
  background: none;
  box-shadow: none;
  overflow: visible;
}

.converter-image img {
  display: block;
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
}

.converter-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.converter-feature {
  min-width: 0;
  padding: 0.8rem;
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: rgba(8, 10, 10, 0.72);
}

.converter-feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-bottom: 0.5rem;
  border-radius: 50%;
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  color: var(--accent);
}

.converter-feature-icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
}

.converter-feature h3 {
  margin: 0 0 0.28rem;
  color: var(--text);
  font-size: 0.88rem;
}

.converter-feature p {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.45;
}

.converter-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
}

.converter-stats div {
  min-width: 0;
  padding: 0.62rem 0.7rem;
  border-radius: 12px;
  border: 1px solid rgba(var(--accent-rgb), 0.18);
  background: rgba(var(--accent-rgb), 0.055);
}

.converter-stats strong,
.converter-stats span {
  display: block;
}

.converter-stats strong {
  color: var(--accent);
  font-size: 0.9rem;
}

.converter-stats span {
  margin-top: 0.12rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.converter-release-box {
  margin-top: 1rem;
  padding: 0.9rem 1.1rem;
  border-radius: 12px;
  background: rgba(9, 11, 11, 0.70);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.converter-release-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.converter-release-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.converter-version-badge {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.converter-release-notes-block {
  margin-top: 0.7rem;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.converter-notes-heading {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 0.35rem;
}

.converter-notes-text {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--text);
  opacity: 0.75;
}

.converter-download-row {
  margin-top: 0.85rem;
}

.converter-status[hidden] {
  display: none;
}

@media (max-width: 820px) {
  .converter-showcase,
  .converter-feature-grid {
    grid-template-columns: 1fr;
  }

  .converter-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

#tool-media .result-line .value {
  text-align: right;
  overflow-wrap: anywhere;
  word-break: break-word;
}

@media (max-width: 768px) {
  #tool-media .result-line {
    flex-direction: row;
    gap: 0.75rem;
  }

  #tool-media .result-line .value {
    width: auto;
    text-align: right;
  }
}

.media-live-detail {
  margin-top: 0.75rem;
  padding: 0.6rem 0.65rem;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: rgba(6, 8, 8, 0.84);
}

.media-live-detail[data-state="success"] {
  border-color: rgba(74, 242, 197, 0.5);
}

.media-live-detail[data-state="warning"] {
  border-color: rgba(255, 179, 66, 0.5);
}

.media-live-detail[data-state="error"] {
  border-color: rgba(255, 75, 110, 0.5);
}

.media-live-detail__header {
  margin-bottom: 0.5rem;
}

.media-live-detail h3 {
  font-size: 0.98rem;
  margin: 0;
}

.media-live-status-wrap {
  margin-bottom: 0.65rem;
}

.media-live-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 42px;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.2;
  background: rgba(10, 13, 13, 0.9);
  color: var(--text);
}

.media-live-status-badge[data-state="success"] {
  border-color: rgba(74, 242, 197, 0.7);
  color: #4af2c5;
  box-shadow: 0 0 14px rgba(74, 242, 197, 0.2);
}

.media-live-status-badge[data-state="warning"] {
  border-color: rgba(255, 179, 66, 0.7);
  color: #ffc266;
  box-shadow: 0 0 14px rgba(255, 179, 66, 0.2);
}

.media-live-status-badge[data-state="error"] {
  border-color: rgba(255, 75, 110, 0.75);
  color: #ff7c96;
  box-shadow: 0 0 14px rgba(255, 75, 110, 0.2);
}

.media-live-quickgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.media-live-card {
  padding: 0.5rem 0.55rem;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: rgba(8, 10, 10, 0.7);
}

.media-live-card__label {
  display: block;
  font-size: 0.74rem;
  color: var(--muted-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.22rem;
}

.media-live-card__value {
  display: block;
  color: var(--text);
  font-size: 0.86rem;
  line-height: 1.35;
}

.media-live-bar {
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  color: var(--accent);
  font-size: 0.86rem;
  margin-bottom: 0.12rem;
}

.media-live-disk-value[data-state="success"] {
  color: #4af2c5;
}

.media-live-disk-value[data-state="warning"] {
  color: #ffc266;
}

.media-live-disk-value[data-state="error"] {
  color: #ff7c96;
}

.media-live-target-wrap {
  margin-top: 0.5rem;
  padding: 0.5rem 0.55rem;
  border-radius: 10px;
  border: 1px dashed rgba(var(--accent-rgb), 0.35);
  background: rgba(8, 10, 10, 0.5);
}

.media-live-block {
  margin-top: 0.55rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-subtle);
}

.media-live-block h4 {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted-soft);
}

.media-live-list {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.3rem;
}

.media-live-list li {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

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

.error {
  color: var(--error);
  font-size: 0.8rem;
  margin-top: 1rem;
  padding: 0.25rem 0.5rem;
  border-radius: 8px;
  background: var(--error-soft);
  border: 1px solid rgba(255, 75, 110, 0.5);
}

#key-bc-good-limit {
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.6rem;
  margin-top: 0.4rem;
}

/* ==================== DMX ==================== */
.panel--dmx h2 {
  margin-bottom: 0.5rem;
}

.dmx-log {
  margin-top: 0.6rem;
  padding: 0.5rem 0.6rem;
  border-radius: 10px;
  background: rgba(5, 6, 6, 0.9);
  border: 1px solid var(--border-subtle);
  max-height: 160px;
  overflow-y: auto;
}

.dmx-log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--muted-soft);
  margin-bottom: 0.35rem;
}

.dmx-log-actions {
  display: flex;
  gap: 0.3rem;
}

.dmx-log-copy,
.dmx-log-clear {
  border-radius: var(--radius-pill);
  border: 0;
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
}

.dmx-log-copy {
  background: rgba(var(--accent-rgb), 0.08);
  color: var(--accent);
}

.dmx-log-copy:hover {
  background: rgba(var(--accent-rgb), 0.16);
  color: #fff;
}

.dmx-log-clear {
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
}

.dmx-log-clear:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.dmx-log-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.dmx-log-list li + li {
  margin-top: 0.15rem;
}

.dmx-universe {
  margin-top: 1rem;
}

.dmx-universe-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.8rem;
  color: var(--muted-soft);
  margin-bottom: 0.35rem;
}

.dmx-usage-label {
  font-weight: 500;
  color: var(--accent);
}

.dmx-universe-bar {
  width: 100%;
  border-radius: 6px;
  background: rgba(8, 10, 10, 0.85);
  border: 1px solid var(--border-subtle);
  padding: 4px 6px;
  overflow: hidden;
}

.dmx-block {
  background: linear-gradient(90deg, var(--accent), #4af2c5);
  border-radius: 3px;
}

.dmx-universe-grid {
  position: relative;
  height: 16px;
  display: grid;
  grid-template-columns: repeat(512, 1fr);
  gap: 0;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 8px 100%;
}

.dmx-block {
  background: linear-gradient(90deg, var(--accent), #4af2c5);
  border-radius: 3px;
  box-shadow:
    0 0 10px rgba(var(--accent-rgb), 0.9),
    0 0 24px rgba(74, 242, 197, 0.7);
}

/* ==================== SPL Meter & RTA ==================== */
/* Toolbar: start button + options */
.spl-toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.3rem;
}

.spl-start-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  width: 100%;
  padding: 0.8rem 1.3rem;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #070808;
  cursor: pointer;
  box-shadow: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.spl-start-btn:hover {
  transform: translateY(-1px);
  box-shadow: none;
}

.spl-start-btn:active {
  transform: translateY(0);
}

.spl-start-btn.is-running {
  background: #ff4b6e;
  color: #fff;
  box-shadow: none;
}

.spl-btn-icon {
  flex-shrink: 0;
}

/* Options row: weighting, speed, mic */
.spl-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.spl-pill-group {
  display: inline-flex;
  align-items: center;
  background: rgba(10, 12, 12, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 0.18rem;
  gap: 0.15rem;
}

.spl-pill-btn {
  padding: 0.32rem 0.7rem;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: #9aa4bf;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color 0.12s ease, background 0.12s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.spl-pill-btn:hover {
  color: #fff;
}

.spl-pill-btn.is-active {
  background: rgba(var(--accent-rgb), 0.18);
  color: var(--accent);
}

.spl-mic-group {
  flex: 1 1 auto;
  gap: 0.35rem;
  padding: 0.18rem 0.5rem 0.18rem 0.3rem;
  min-width: 180px;
}

.spl-mic-label {
  font-size: 0.66rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-left: 0.25rem;
  white-space: nowrap;
}

.spl-mic-select {
  flex: 1 1 auto;
  min-width: 0;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.3rem 0.2rem;
  cursor: pointer;
  outline: none;
}

.spl-mic-select option {
  background: #0e1010;
  color: var(--text);
}

.spl-mic-select:disabled {
  opacity: 0.5;
  cursor: default;
}

.spl-mic-refresh {
  padding: 0.3rem 0.4rem;
  border-radius: 6px;
  color: var(--muted);
}

.spl-mic-refresh:hover {
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
}

/* Hero meter */
.spl-dashboard {
  margin-bottom: 1.2rem;
}

.spl-hero-meter {
  background: rgba(10, 12, 12, 0.6);
  border: 1px solid rgba(var(--accent-rgb), 0.18);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
}

.spl-hero-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #a0aec0;
  margin-bottom: 0.3rem;
}

.spl-hero-speed {
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.66rem;
  font-weight: 700;
}

.spl-hero-value-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.4rem;
  margin: 0.4rem 0 0.75rem;
}

.spl-hero-value {
  font-size: clamp(2.4rem, 7vw, 3.4rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
}

.spl-hero-unit {
  font-size: 1.05rem;
  font-weight: 600;
  color: #a0aec0;
}

.spl-bar-track {
  position: relative;
  height: 6px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 3px;
  overflow: visible;
}

.spl-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #2ee6bb, var(--accent));
  transition: width 0.1s linear;
}

.spl-bar-peak {
  position: absolute;
  top: -3px;
  width: 2px;
  height: 12px;
  background: #f6c453;
  border-radius: 1px;
  transform: translateX(-50%);
  transition: left 0.12s ease;
}

/* Stats grid */
.spl-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.55rem;
  margin-top: 0.7rem;
}

.spl-stat-card {
  position: relative;
  background: rgba(12, 15, 15, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.spl-stat-label {
  font-size: 0.64rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.2rem;
  font-weight: 600;
}

.spl-stat-label sub {
  text-transform: none;
  font-size: 0.85em;
}

.spl-stat-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}

.spl-stat-val--accent {
  color: var(--accent);
}

.spl-stat-sub {
  font-size: 0.66rem;
  color: var(--muted-soft);
  margin-top: 0.15rem;
  font-variant-numeric: tabular-nums;
}

.spl-stat-reset {
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 0.6rem;
  font-weight: 600;
  padding: 0.12rem 0.4rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: color 0.12s ease, border-color 0.12s ease;
}

.spl-stat-reset:hover {
  color: var(--accent);
  border-color: rgba(var(--accent-rgb), 0.4);
}

/* RTA container */
.spl-rta-container {
  background: #070808;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  padding: 0.85rem;
  margin-bottom: 1.2rem;
}

.spl-rta-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.spl-rta-title {
  font-size: 0.74rem;
  font-weight: 700;
  color: #cbd5e1;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.spl-rta-actions {
  display: inline-flex;
  gap: 0.4rem;
}

.spl-rta-opt-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.66rem;
  font-weight: 600;
  padding: 0.22rem 0.55rem;
  border-radius: 5px;
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  background: rgba(var(--accent-rgb), 0.08);
  color: var(--accent);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.spl-rta-opt-btn:hover {
  background: rgba(var(--accent-rgb), 0.18);
  border-color: rgba(var(--accent-rgb), 0.5);
}

.spl-rta-export {
  border-color: rgba(var(--accent-rgb), 0.25);
  background: rgba(var(--accent-rgb), 0.06);
  color: var(--accent);
}

.spl-rta-export:hover {
  background: rgba(var(--accent-rgb), 0.14);
  border-color: rgba(var(--accent-rgb), 0.5);
}

.spl-canvas-wrap {
  width: 100%;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
}

.spl-canvas-wrap canvas {
  display: block;
  width: 100%;
  height: auto;
}

/* Calibration card */
.spl-calib-card {
  background: rgba(10, 12, 12, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.85rem 1rem;
}

.spl-calib-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.55rem;
}

.spl-calib-title {
  font-size: 0.76rem;
  font-weight: 600;
  color: #e2e8f0;
}

.spl-calib-val {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}

#spl-offset-slider {
  width: 100%;
  accent-color: var(--accent);
}

.spl-preset-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.spl-preset-label {
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.spl-preset-btn {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.22rem 0.6rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(16, 20, 20, 0.6);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease;
}

.spl-preset-btn:hover {
  border-color: rgba(var(--accent-rgb), 0.5);
  background: rgba(var(--accent-rgb), 0.1);
}

.spl-preset-btn.is-active-preset {
  border-color: rgba(var(--accent-rgb), 0.55);
  background: rgba(var(--accent-rgb), 0.14);
  color: #fff;
}

.spl-preset-btn.is-calibrated {
  position: relative;
}

.spl-preset-btn.is-calibrated::after {
  content: '';
  position: absolute;
  top: 4px;
  right: 4px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 4px rgba(var(--accent-rgb), 0.7);
}

.spl-calib-hint {
  font-size: 0.7rem;
  color: var(--muted-soft);
  margin: 0.6rem 0 0;
  line-height: 1.45;
}

.dmx-dip-hint {
  font-size: 0.7rem;
  color: var(--muted-soft);
  margin: 0.6rem 0 0;
  line-height: 1.45;
}

/* === Beta / accuracy note === */
.spl-beta-note {
  margin: 0.6rem 0 1.1rem;
  background: rgba(246, 196, 83, 0.06);
  border: 1px solid rgba(246, 196, 83, 0.25);
  border-radius: 8px;
  font-size: 0.78rem;
}

.spl-beta-note summary {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.8rem;
  cursor: pointer;
  list-style: none;
  color: #f6c453;
  font-weight: 600;
  letter-spacing: 0.02em;
  user-select: none;
}

.spl-beta-note summary::-webkit-details-marker { display: none; }
.spl-beta-note summary::after {
  content: '+';
  margin-left: auto;
  font-weight: 700;
  color: var(--muted);
  transition: transform 0.15s ease;
}
.spl-beta-note[open] summary::after { transform: rotate(45deg); }

.spl-beta-note-body {
  padding: 0 0.85rem 0.75rem;
  color: var(--text);
}

.spl-beta-row {
  margin-top: 0.4rem;
}

.spl-beta-row > strong {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.spl-beta-row--good > strong { color: var(--accent); }
.spl-beta-row--warn > strong { color: #f6c453; }

.spl-beta-row ul {
  margin: 0;
  padding-left: 1.1rem;
  line-height: 1.55;
}

.spl-beta-row li { margin: 0.15rem 0; }

.spl-beta-foot {
  margin: 0.6rem 0 0;
  padding-top: 0.5rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  font-size: 0.72rem;
  color: var(--muted-soft);
  font-style: italic;
}

/* === Calibration wizard === */
.spl-calibwizard {
  margin-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 0.75rem;
}

.spl-calibwizard-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: border-color 0.12s ease, background 0.12s ease;
}

.spl-calibwizard-toggle:hover {
  border-color: rgba(var(--accent-rgb), 0.45);
  background: rgba(var(--accent-rgb), 0.08);
}

.spl-calibwizard-toggle[aria-expanded="true"] {
  color: var(--accent);
  border-color: rgba(var(--accent-rgb), 0.5);
}

.spl-calibwizard-body {
  margin-top: 0.75rem;
  padding: 0.85rem;
  background: rgba(7, 8, 8, 0.7);
  border: 1px solid rgba(var(--accent-rgb), 0.18);
  border-radius: 8px;
}

.spl-calib-steps {
  margin: 0 0 0.75rem;
  padding-left: 1.1rem;
  font-size: 0.75rem;
  color: #cbd5e1;
  line-height: 1.55;
}

.spl-calib-steps li {
  margin: 0.15rem 0;
}

.spl-calib-input-row,
.spl-calib-live-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.78rem;
  color: var(--text);
  margin: 0.4rem 0;
}

.spl-calib-input-row label {
  font-weight: 600;
  color: #cbd5e1;
}

.spl-calib-input-row input {
  flex: 1 1 90px;
  max-width: 110px;
  padding: 0.4rem 0.55rem;
  background: rgba(16, 20, 20, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  color: #fff;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.spl-calib-input-row input:focus {
  outline: none;
  border-color: rgba(var(--accent-rgb), 0.6);
}

.spl-calib-unit {
  color: var(--muted);
  font-size: 0.74rem;
}

.spl-calib-live-row strong {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.05rem;
  color: var(--accent);
}

.spl-calib-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.65rem;
}

.spl-calib-apply {
  padding: 0.55rem 0.95rem;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: #070808;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.spl-calib-apply:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 12px rgba(var(--accent-rgb), 0.3);
}

.spl-calib-note {
  margin: 0.6rem 0 0;
  font-size: 0.72rem;
  color: var(--muted-soft);
  line-height: 1.45;
}

.spl-calib-note.is-ok {
  color: var(--accent);
}

/* Small screens tighten stats */
@media (max-width: 480px) {
  .spl-stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .spl-stat-card--peak {
    grid-column: 1 / -1;
  }
  .spl-calib-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ==================== dB Calculator Mode Tabs ==================== */
.db-mode-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.2rem 0 1.4rem;
}

.db-mode-btn {
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 65, 108, 0.35);
  background: rgba(14, 16, 16, 0.7);
  color: #c2c7dd;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.db-mode-btn:hover {
  border-color: rgba(255, 65, 108, 0.7);
  background: rgba(255, 65, 108, 0.15);
  color: #fff;
}

.db-mode-btn.is-active {
  border-color: #ff416c;
  background: linear-gradient(135deg, #ff416c, #ff4b6e);
  color: #fff;
  box-shadow: 0 0 12px rgba(255, 65, 108, 0.45);
}

.db-mode-section {
  animation: fadeIn 0.2s ease;
}

/* ==================== DMX DIP Switch Visualizer ==================== */
.dmx-dip-container {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  background: rgba(8, 10, 10, 0.92);
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  border-radius: 12px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
}

.dmx-dip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.dmx-dip-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #c2c7dd;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dmx-dip-address {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}

.dmx-dip-block {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: #0f1212;
  border: 2px solid #1d2826;
  border-radius: 8px;
  padding: 0.75rem 0.65rem;
}

.dmx-dip-legend-side {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 52px;
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--muted); /* WCAG AA: >= 4.5:1 auf Panel-Hintergrund */
  letter-spacing: 0.04em;
  user-select: none;
}

.dmx-dip-switches {
  display: flex;
  flex: 1;
  justify-content: space-between;
  gap: 4px;
}

.dmx-dip-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  flex: 1;
  min-width: 0;
}

.dmx-dip-slot {
  width: 100%;
  max-width: 24px;
  height: 52px;
  background: #080a0a;
  border-radius: 4px;
  border: 1px solid #171c1c;
  position: relative;
  cursor: pointer;
  padding: 2px;
  box-sizing: border-box;
  touch-action: manipulation;
}

.dmx-dip-toggle {
  position: absolute;
  left: 2px;
  right: 2px;
  height: 22px;
  background: linear-gradient(180deg, #e2e8f0, #94a3b8);
  border-radius: 2px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transition: transform 0.12s ease-in-out, background 0.15s ease;
  bottom: 2px; /* OFF position */
}

.dmx-dip-slot.is-on .dmx-dip-toggle {
  transform: translateY(-26px); /* ON position */
  background: linear-gradient(180deg, #7affe2, #2ee6bb);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.dmx-dip-num {
  font-size: 0.68rem;
  font-weight: 700;
  color: #9ca1ba;
  font-family: var(--font-mono);
}

.dmx-dip-val {
  font-size: 0.58rem;
  color: var(--muted); /* mind. 4.5:1 auf Panel-Hintergrund (WCAG AA) */
  font-family: var(--font-mono);
}

.dmx-dip-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.75rem;
  font-size: 0.72rem;
  color: var(--muted-soft);
}

.dmx-dip-reset-btn {
  background: rgba(var(--accent-rgb), 0.15);
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.dmx-dip-reset-btn:hover {
  background: rgba(var(--accent-rgb), 0.3);
  border-color: rgba(var(--accent-rgb), 0.7);
  color: #fff;
}

.key-traffic-light {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 0.4rem;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6);
}

.key-traffic-light--green {
  background: #39d98a;
}

.key-traffic-light--yellow {
  background: #f6c453;
}

.key-traffic-light--red {
  background: #ff4b6e;
}

/* ==================== Utility Actions ==================== */
.back-to-top {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(var(--accent-rgb), 0.5);
  background: rgba(8, 10, 10, 0.9);
  color: var(--accent);
  font-size: 1.3rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
  z-index: 50;
}

.back-to-top:hover {
  background: rgba(19, 24, 24, 0.95);
  border-color: rgba(var(--accent-rgb), 0.8);
}

.back-to-top:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.5);
}

.back-to-top--visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* Touch Target Mindesthöhe */
button,
.instagram-cta,
input:focus-visible,
select:focus-visible {
  min-height: 44px;
}

/* ==================== Footer ==================== */
.footer-content {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--muted-soft);
}

.footer-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition:
    color 0.2s ease,
    text-decoration-color 0.2s ease;
}

.footer-link:hover {
  color: #4af2c5;
  text-decoration: underline;
}

/* ==================== Responsive ==================== */

@media (max-width: 768px) {
  .hero {
    padding: calc(1.2rem + env(safe-area-inset-top)) 1.2rem 1.8rem;
    margin-bottom: 1.2rem;
  }

  .layout {
    grid-template-columns: 1fr;
    gap: 2.4rem;
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }

  .panel {
    padding: 1.5rem 1.35rem;
  }

  #about-masel {
    margin: 3.5rem auto 1.8rem;
    padding: 1.5rem 1.35rem;
  }

  .about-card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "intro"
      "title"
      "main"
      "image";
  }

  .about-content {
    max-width: 100%;
  }

  .about-image {
    min-height: 230px;
  }

  .support-strip {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
    margin-bottom: 1.4rem;
  }

  .pdf-export-strip {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
    margin-bottom: 1.35rem;
  }

  .support-strip-inner {
    padding: 0.9rem 0.85rem;
  }

  .pdf-export-inner {
    padding: 0.9rem 0.85rem;
  }

  .support-strip-inner .bmc-button {
    width: 100%;
    justify-content: center;
  }

  .pdf-export-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .pdf-export-actions button {
    width: 100%;
  }
}

/* ===== Patch-Notes Card (Was ist neu) =====
     Gleiche Optik wie release/converter/ Patch-Notes.
     Wird auf der Hauptseite (partials/tools/converter.php) und
     auf release/converter/ identisch dargestellt. */
  .patch-notes-card {
    margin: 1.4rem 0 0;
    padding: 1rem 1.1rem 1.1rem;
    border: 1px solid rgba(var(--accent-rgb), 0.18);
    border-radius: 12px;
    background:
      linear-gradient(135deg, rgba(var(--accent-rgb), 0.04), rgba(74, 242, 197, 0.02)),
      rgba(8, 10, 10, 0.6);
  }
  .patch-notes-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.6rem;
  }
  .patch-notes-head h3 {
    margin: 0;
    color: var(--text);
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.04em;
  }
  .patch-notes-meta {
    color: var(--muted-soft);
    font-size: 0.78rem;
    font-variant-numeric: tabular-nums;
  }
  .patch-notes {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
  }
  .patch-note {
    display: grid;
    grid-template-columns: 1.4rem 3.4rem 1fr;
    align-items: baseline;
    gap: 0.6rem;
    padding: 0.4rem 0.5rem;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 0.86rem;
    line-height: 1.45;
  }
  .patch-note__icon {
    color: var(--accent);
    font-weight: 700;
    text-align: center;
  }
  .patch-note__label {
    color: var(--muted-soft);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  .patch-note__text {
    color: var(--text);
  }
  .patch-note--new  .patch-note__icon { color: var(--accent); }
  .patch-note--perf .patch-note__icon { color: #4af2c5; }
  .patch-note--fix  .patch-note__icon { color: #ffd54f; }
  .patch-note--more {
    grid-template-columns: 1fr;
    text-align: center;
    color: var(--muted-soft);
    font-size: 0.78rem;
    background: none;
    border: 1px dashed rgba(255, 255, 255, 0.1);
  }

  /* ===== Converter (Hauptseite: ?tool=converter) =====
     Partial: partials/tools/converter.php
     Layout: Screenshot + Key Features + Download + Patch-Notes
     Styles jetzt oben im Converter-Promo-Block definiert. */

/* ===== Vision (Hauptseite: ?tool=vision) =====
   Partial: partials/tools/vision.php
   Layout: Screenshot + Key Features + Status-Karte (Folgt-Button statt Download) */
.vision-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.vision-shot {
  margin: 0;
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  border-radius: 12px;
  overflow: hidden;
  background: #0a0c0c;
}

.vision-shot img {
  display: block;
  width: 100%;
  height: auto;
}

.vision-features-title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted-soft);
  margin: 0 0 0.6rem;
}

.vision-features-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.vision-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--text);
}

.vision-features-list svg {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  margin-top: 2px;
  color: var(--accent);
}

.vision-status {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  border-radius: 12px;
  background: rgba(10, 12, 12, 0.6);
  padding: 1rem 1.1rem;
}

.vision-status-info {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.vision-status-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  flex: 0 0 48px;
}

.vision-status-title {
  margin: 0 0 0.15rem;
  font-size: 1rem;
}

.vision-status-sub {
  margin: 0 0 0.4rem;
  color: var(--muted-soft);
  font-size: 0.85rem;
}

.vision-status-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.vision-meta-chip {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(var(--accent-rgb), 0.9);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
}

.vision-follow-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 1.1rem;
  border-radius: 10px;
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  background: rgba(var(--accent-rgb), 0.12);
  color: rgba(var(--accent-rgb), 0.95);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  white-space: nowrap;
}

.vision-follow-btn .platform-icon {
  width: 18px;
  height: 18px;
}

.vision-follow-btn:hover {
  background: rgba(var(--accent-rgb), 0.2);
}

@media (max-width: 720px) {
  .vision-status {
    flex-direction: column;
    align-items: stretch;
  }
  .vision-follow-btn {
    justify-content: center;
  }
}