:root {
  --bg: #071026;
  --card-bg: #081428;
  --panel-border: #0f2b3a;
  --text: #e6eef6;
  --muted: #9aa3b2;
  --accent: #4aa3e0;
  --accent-strong: #7ad3b7;
  --mono-bg: #06101a;
  --danger: #e06b6b;
  --type-ampli: #4a90e2;
  --type-filter: #7ad3b7;
  --type-attenuator: #e06b6b;
  --type-mixer: #f5a623;
  --type-switch: #9b59b6;
}

/* Home button (left, distinct color) */
.home-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  background: linear-gradient(180deg, #6fc0ff, #4aa3e0);
  color: #022831;
  border-radius:10px;
  font-weight:700;
  text-decoration:none;
  box-shadow: 0 6px 14px rgba(30,120,160,0.12);
  height: var(--btn-h);
  line-height:1;
  border:0;
}
.home-btn:hover{ transform:translateY(-3px); box-shadow:0 10px 20px rgba(30,120,160,0.14) }



body {
  margin: 0;
  padding: 16px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', Roboto, sans-serif;
}

header {
  margin-bottom: 16px;
}

h1 {
  font-size: 1.5rem;
  margin: 0 0 4px;
}

.small {
  font-size: 0.85rem;
  color: var(--muted);
}

.layout {
  display: grid;
  grid-template-columns: 650px 450px 350px;
  gap: 16px;
  margin-top: 12px;
  margin-bottom: 5px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.stage-card {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 12px;
  margin-bottom: 4px;
  position: relative;
  border-left: 4px solid var(--type-ampli);
  display: flex;
  flex-direction: column;
}

.stage-card[data-type="filter"] {
  border-left-color: var(--type-filter);
}

.stage-card[data-type="atten"] {
  border-left-color: var(--type-attenuator);
}

.stage-card[data-type="mixer"] {
  border-left-color: var(--type-mixer);
}

.stage-card[data-type="switch"] {
  border-left-color: var(--type-switch);
}

.stage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.stage-name {
  font-weight: 600;
  color: var(--accent);
  display:flex;align-items:center;gap:8px;
}

.controls {
  margin-bottom: 12px;
}
.stage-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.stage-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

label {
  min-width: 100px;
  font-size: 0.9rem;
}

input, select {
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--panel-border);
  background: var(--mono-bg);
  color: var(--text);
  font-size: 0.9rem;
}

.stage-card .stage-name .s_name {
  background: transparent;
  border: 0;
  outline: none;
  color: var(--accent);
  font-weight: 600;
  width: 140px;
  cursor: text;
  border-bottom: 1px dashed transparent;
  transition: background .2s, border-bottom-color .2s;
}

.stage-card .stage-name .s_name:hover,
.stage-card .stage-name .s_name:focus {
  background: rgba(255,255,255,.06);
  border-bottom-color: var(--accent);
}

button {
  padding: 6px 12px;
  border-radius: 6px;
  border: 0;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-size: 0.9rem;
}

button.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

:root {
  --field-w: 100px; /* largeur standard des champs numériques */
  --name-w: 150px;  /* largeur du champ nom */
}

#stagesContainer .stage-card .stage-row input[type="number"],
#stagesContainer .stage-card .stage-row select {
  width: var(--field-w) !important;
  flex: 0 0 var(--field-w);
}

#stagesContainer .stage-card .stage-row .s_name {
  width: var(--name-w) !important;
  flex: 0 0 var(--name-w);
}

button.remove {
  background: var(--danger);
  padding: 4px 8px;
  font-size: 0.8rem;
}

.edit-icon {
  margin-right: 6px;
  font-size: 14px;
  color: #666;
  cursor: pointer;
}

/* drag handle */
.drag-handle {
  width: 20px;
  height: 20px;
  display:inline-grid;
  place-items:center;
  cursor: grab;
  margin-left:6px;
}
.drag-handle:active { cursor: grabbing; }
.drag-handle .bars {
  width: 12px;
  height: 12px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.drag-handle .bars span{
  display:block;
  height:2px;
  border-radius:2px;
  background: rgba(255,255,255,0.14);
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.metric {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}

.metric .val {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 4px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

th, td {
  padding: 8px;
  text-align: center;
  border: 1px solid var(--panel-border);
  font-size: 0.9rem;
}

th {
  background: rgba(0, 0, 0, 0.3);
  color: var(--accent);
}

.stages-scroll {
  max-height: 750px;
  overflow-y: auto;
  padding-right: 8px;
}

.eq-block {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
}

.eq-title {
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--accent);
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.table-wrap {
  max-height: 580px;
  overflow-y: auto;
  overflow-x: hidden;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.03);
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.table-wrap thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: linear-gradient(180deg, rgba(0,0,0,0.25), var(--card-bg));
  color: var(--accent);
}

.col_type { width: 100px; }

.table-wrap td,
.table-wrap th {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* small visual feedback when dragging */
.stage-card.drag-over { outline: 2px dashed rgba(32, 177, 128, 0.795); }

/* --- insert marker: ligne pointillée entre 2 cartes --- */
.insert-marker {
  height: 5px;
  border-top: 3px dashed rgb(13, 214, 130); /* utilise --type-filter / --accent si tu préfères */
  margin: 12px 0;
  border-radius: 2px;
  pointer-events: none;
}

/* petit badge numéro sur chaque stage (visuel utile) */
.stage-index {
  display:inline-block;
  min-width:16px;
  text-align:center;
  font-weight:700;
  color: rgba(209, 241, 231, 0.795);
  background: rgb(16, 45, 61);
  border-radius:6px;
  padding:2px 6px;
  margin-right:8px;
  font-size:0.75rem;
}