/* ============================================================
   Online Metronome - Pi7
   Scoped under .mn-stage. Generator tool - no upload box.
   ============================================================ */

.mn-stage{
  margin: 14px auto 0;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* -------------------- Main metronome card -------------------- */
.mn-card{
  background: #fff;
  border: 1px solid #eef0fa;
  border-radius: 8px;
  padding: 20px 16px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

/* BPM display block */
.mn-bpm-wrap{
  display: flex;
  align-items: center;
  gap: 14px;
}
.mn-step-btn{
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1.5px solid #e5e7f0;
  background: #fff;
  color: var(--pcolor);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  transition: border-color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.mn-step-btn:hover{ border-color: var(--pcolor); background: #f8f9ff; }
.mn-step-btn:active{ background: #eef0fa; }

#bpmInput{
  width: 170px;
  border: none;
  background: transparent;
  font-size: 72px;
  font-weight: 800;
  color: #262626;
  text-align: center;
  outline: none;
  font-family: inherit;
  padding: 0;
  -moz-appearance: textfield;
}
#bpmInput::-webkit-outer-spin-button,
#bpmInput::-webkit-inner-spin-button{ -webkit-appearance: none; margin: 0; }
#bpmInput:focus{ color: var(--pcolor); }
.mn-bpm-label{
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: -10px;
}

.mn-bpm-slider-row{
  width: 100%;
  max-width: 420px;
}
.mn-bpm-slider-row input[type="range"]{
  width: 100%;
  accent-color: var(--pcolor);
  margin: 0;
}

.mn-tap-btn{
  background: #fff;
  border: 1.5px solid #e5e7f0;
  color: var(--pcolor);
  padding: 10px 28px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: border-color 0.15s, background 0.1s, transform 0.1s;
  user-select: none;
}
.mn-tap-btn:hover{ border-color: var(--pcolor); background: #f8f9ff; }
.mn-tap-btn.tapped{
  background: var(--pcolor);
  color: #fff;
  transform: scale(0.96);
}

/* -------------------- Chip rows -------------------- */
.mn-chip-row{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.mn-chip-label{
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-right: 4px;
}
.mn-sig-chip,
.mn-sub-chip,
.mn-bars-chip{
  background: #fff;
  border: 1.5px solid #e5e7f0;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 700;
  color: #4a4a4a;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
}
.mn-sig-chip:hover,
.mn-sub-chip:hover,
.mn-bars-chip:hover{ border-color: var(--pcolor); background: #f8f9ff; }
.mn-sig-chip.selected,
.mn-sub-chip.selected,
.mn-bars-chip.selected{
  border-color: var(--pcolor);
  background: #eef0fa;
  color: var(--pcolor);
  box-shadow: 0 0 0 1px var(--pcolor) inset;
}
.mn-sub-chip{ font-size: 13px; }

/* -------------------- Beat dots (clickable pattern editor) -------------------- */
.mn-dots{
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  flex-wrap: wrap;
}
.mn-dot{
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #c9cee5;
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  transition: background 0.05s, transform 0.05s, border-color 0.1s;
}
.mn-dot:hover{ border-color: var(--pcolor); }
.mn-dot.accent{
  width: 24px;
  height: 24px;
  background: #8a90d9;
}
.mn-dot.mute{
  background: transparent;
  border-color: #c9cee5;
}
.mn-dot.active{
  background: var(--pcolor);
  transform: scale(1.25);
}
.mn-dot.accent.active{
  background: #d31b5a;
}
.mn-dot.mute.active{
  background: #eef0fa;
  border-color: var(--pcolor);
}
.mn-dots-hint{
  font-size: 11px;
  color: var(--muted);
  margin-top: -8px;
}

/* -------------------- Start button -------------------- */
.mn-start-btn{
  background: linear-gradient(135deg, #4449a6, #373c8f);
  color: #fff;
  border: none;
  padding: 14px 60px;
  border-radius: 8px;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(68, 73, 166, 0.30);
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
  letter-spacing: 0.5px;
}
.mn-start-btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(68, 73, 166, 0.42);
}
.mn-start-btn.playing{
  background: linear-gradient(135deg, #d31b5a, #b00d44);
  box-shadow: 0 6px 18px rgba(211, 27, 90, 0.30);
}
.mn-keys-hint{
  font-size: 11px;
  color: var(--muted);
}

/* -------------------- Advanced disclosure -------------------- */
.mn-advanced{
  background: #f8f9ff;
  border: 1px solid #eef0fa;
  border-radius: 6px;
  overflow: hidden;
  width: 100%;
}
.mn-advanced summary{
  padding: 10px 14px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--pcolor);
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.mn-advanced summary::-webkit-details-marker{ display: none; }
.mn-advanced summary::before{
  content: "+";
  font-size: 14px;
  font-weight: 700;
  color: var(--pcolor);
}
.mn-advanced[open] summary::before{ content: "-"; }
.mn-advanced summary:hover{ background: #eef0fa; }
.mn-advanced-body{
  padding: 4px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid #eef0fa;
}
.mn-field-row{
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  flex-wrap: wrap;
}
.mn-field-row label{
  font-weight: 600;
  color: #262626;
}
.mn-field-row select,
.mn-field-row input[type="number"]{
  padding: 6px 10px;
  border: 1px solid #e5e7f0;
  border-radius: 4px;
  background: #fff;
  color: #262626;
  font-size: 13px;
  font-family: inherit;
  width: auto;
}
.mn-field-row input[type="number"]{ width: 72px; }
.mn-field-row input[type="checkbox"]{
  width: 16px;
  height: 16px;
  accent-color: var(--pcolor);
  cursor: pointer;
  margin: 0;
}
.mn-field-row input[type="range"]{
  flex: 1;
  min-width: 120px;
  accent-color: var(--pcolor);
}
.mn-value{
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px;
  color: var(--pcolor);
  font-weight: 700;
  min-width: 42px;
}
.mn-trainer-fields{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding: 8px 10px;
  background: #fff;
  border: 1px solid #eef0fa;
  border-radius: 6px;
}
.mn-trainer-fields.hide{ display: none; }
.mn-trainer-fields .mn-field-row{ gap: 6px; }
.mn-help{
  font-size: 11px;
  color: var(--muted);
  flex-basis: 100%;
}

/* -------------------- Export card -------------------- */
.mn-export-card{
  background: #fff;
  border: 1px solid #eef0fa;
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mn-export-title{
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin: 0;
}
.mn-export-controls{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
#customBars{
  width: 76px;
  padding: 8px 10px;
  border: 1.5px solid #e5e7f0;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
}
.mn-export-opts{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: 13px;
}
.mn-export-opts label{ font-weight: 600; color: #262626; }
.mn-export-opts select{
  padding: 6px 10px;
  border: 1px solid #e5e7f0;
  border-radius: 4px;
  background: #fff;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
}
.mn-export-opts input[type="checkbox"]{
  width: 16px;
  height: 16px;
  accent-color: var(--pcolor);
  cursor: pointer;
  margin: 0;
}

/* Process button (shared Pi7 pattern) */
.process-btn{
  background: linear-gradient(135deg, #4449a6, #373c8f);
  color: #fff;
  border: none;
  padding: 13px 26px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: block;
  width: 100%;
  box-shadow: 0 6px 18px rgba(68, 73, 166, 0.30);
  transition: transform 0.15s, box-shadow 0.15s;
}
.process-btn:hover:not(:disabled){
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(68, 73, 166, 0.42);
}
.process-btn:disabled{
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* -------------------- Processing box -------------------- */
.processing{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #eef0fa;
  color: var(--pcolor);
  font-size: 14px;
}
.processing.hide{ display: none; }
.proc-spin{
  width: 20px;
  height: 20px;
  border: 3px solid var(--pcolor);
  border-top-color: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: mn-spin 0.8s linear infinite;
  flex-shrink: 0;
}
@keyframes mn-spin{ to { transform: rotate(360deg); } }

/* -------------------- Result card -------------------- */
.result-card{
  background: #fff;
  border: 1px solid #eef0fa;
  border-radius: 8px;
  padding: 14px;
  position: relative;
  overflow: hidden;
}
.result-card.hide{ display: none; }
.result-card::before{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #4449a6, #d31b5a);
}
.result-card audio{
  width: 100%;
  margin-bottom: 10px;
}
.result-meta{
  font-size: 12px;
  color: var(--muted);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  margin-bottom: 12px;
}
.result-actions{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.result-actions a,
.result-actions button{
  flex: 1 1 130px;
  padding: 10px 16px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  text-decoration: none;
}
.result-actions .download-btn{ background: var(--pcolor); color: #fff; }
.result-actions .download-btn:hover{ background: #373c8f; }
.result-actions .ctrl-btn{
  background: #fff;
  color: var(--pcolor);
  border: 1px solid #e5e7f0;
}
.result-actions .ctrl-btn:hover{ border-color: var(--pcolor); }

/* -------------------- Article section shared bits -------------------- */
.articlesec table{
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 14px;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(68, 73, 166, 0.06);
}
.articlesec thead{ background: var(--pcolor); color: #fff; }
.articlesec th{
  text-align: left;
  padding: 12px 14px;
  font-weight: 600;
  font-size: 13px;
}
.articlesec td{
  padding: 11px 14px;
  border-top: 1px solid #eef0fa;
  color: #262626;
  vertical-align: top;
}
.articlesec tbody tr:nth-child(even){ background: #f8f9ff; }

/* -------------------- Responsive -------------------- */
@media screen and (max-width: 600px){
  #bpmInput{ font-size: 56px; width: 140px; }
  .mn-step-btn{ width: 42px; height: 42px; }
  .mn-start-btn{ width: 100%; padding: 14px 20px; }
  .mn-chip-row{ gap: 6px; }
  .mn-sig-chip, .mn-sub-chip, .mn-bars-chip{ padding: 7px 11px; font-size: 13px; }
  .result-actions a,
  .result-actions button{ flex: 1 1 100%; }
  .articlesec table{ font-size: 13px; }
  .articlesec th, .articlesec td{ padding: 9px 10px; }
}