/* MICRO TEORÍA */
.micro-theory{
  max-width:900px;
  background:#fff;
  padding:16px 20px;
  margin-bottom:40px;
}

/* PARTITURA */
.score-wrapper{ 
width:auto;
max-width: 900px;
}
#score{
  background:#fff;
  border:1px solid #333;
  padding:0px 10px;
}
#score svg {
  max-width: 100%;
  height: auto;
}
.interval-name{
  margin-top:6px;
  padding:8px;
  border:2px solid #333;
  background:#fff;
  text-align:center;
  font-weight:bold;
  cursor:pointer;
  color: #000;
}
/* grid */
.interval-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  background-color: var(--panel);
}
.interval-block {
  width: auto;
  padding: 8px;
  border-radius: 8px;
  background: var(--bg);
}
.interval-block .score {
  background: #fff;
  border-radius: 4px;
}
.interval-label {
  padding: 4px 0;
  font-weight: 600;
  font-size: 0.85rem;
  text-align: center;
  color: var(--text);
}
.interval-name:hover{ background:#e6e4e3; }

@media (max-width: 768px) {
  .interval-grid {
    margin: 16px;
    padding: 24px;
  }
}
.selector{
  display:inline-block;
  align-items: center;
  gap: 12px;

  background: var(--panel);
  color: var(--text);

  border: 1px solid var(--border);
  border-radius: 2px;

  padding: 8px 16px;
  margin: 30px 0;

  cursor: pointer;
  font-size: 0.95rem;
  font-family: inherit;

  transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.selector button{
  margin:2px;
  padding:6px 10px;
}
.chord-buttons button {
  white-space: normal;
  word-break: break-word;
  max-width: 100%;
}

/* TECLADO */
.keyboard{
  position:relative;
  width:840px;
  height:180px;
}

@media (max-width: 768px) {
  .keyboard {
    width: 840px;
  }
}

.white-keys{ display:flex; }
.white-key{
  position: relative; 
  width:60px;
  height:180px;
  background: linear-gradient(to bottom, #ffffff, #f0f0f0);
  border: 1px solid #bbb;
  box-shadow:
    inset 0 -3px 4px rgba(0,0,0,0.12),
    0 3px 6px rgba(0,0,0,0.15);

}
.white-key.active{ background:#888; }

.black-keys{
  position:absolute;
  top:0; left:0;
  height:110px;
  width:100%;
  pointer-events:none;
}
.black-key{
  position:absolute;
  width:38px;
  height:110px;
  background:#000;
  border:1px solid #333;
  border-radius:0 0 4px 4px;
}
.black-key.active{ background:#888; }

.db  {left:42px; }
.eb  {left:102px;}
.gb  {left:222px;}
.ab  {left:282px;}
.bb  {left:342px;}
.db2 {left:462px;}
.eb2 {left:522px;}
.gb2 {left:642px;}
.ab2 {left:702px;} 
.bb2 {left:762px;}

/* SEPARADOR */
.section-separator{
  border-top:2px dashed #999;
}
/* SEPARADOR 2*/
.section-separator-teclado{
margin: 28px 0 22px;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--border),
    transparent
  );
}
@media (min-width: 900px) {
  .separator-music {
    margin: 36px 0 28px;
  }
}
.interval-links{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;

  background: transparent;

  padding: 0;
  margin: 30px 0;
}
.interval-links a{
  text-decoration:none;
  padding:11px 32px;
  border:1px solid rgba(201,160,82,0.5);
  background: transparent;
  color:#c9a052;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  transition: all 0.3s ease;
}
.interval-links a:hover{
  background: #c9a052;
  color: #1a2332;
  border-color: #c9a052;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}
/* ===============================
   INTERVAL-LINKS RESPONSIVE
================================ */

@media (max-width: 768px) {

  .interval-links {
    display: flex;              /* deja de ser inline-flex */
    flex-wrap: wrap;            /* permite salto de línea */
    gap: 10px;

    padding: 12px;
    margin: 24px 0;

    justify-content: center;
  }

  .interval-links a {
    flex: 1 1 45%;
    text-align: center;

    padding: 11px 32px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2.5px;
  }
}
/* =====================================================
   RESPONSIVE
===================================================== */
@media (max-width: 768px) {

  .interval-grid {
    margin: 16px;
    padding: 24px;
  }

}
/* ===============================
   TECLADO CON SCROLL (MÓVIL)
================================ */

/* Page más ancho para que quepa el teclado */
.page {
  max-width: 960px;
}

@media (max-width: 768px) {
  .page {
    max-width: 100%;
  }
}

@media (max-width: 768px) {

  .keyboard-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
  }
}
@media (max-width: 768px) {
  .keyboard-scroll::after {
    content: "⇆ Desliza";
    display: block;
    text-align: center;
    font-size: 0.75rem;
    color: #777;
    margin-top: 6px;
  }
}