/* ═══════════════════════════════════════════
   BOTONERA SYSTEM — styles.css
   ═══════════════════════════════════════════ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── DESIGN TOKENS ── */
:root {
  --bg:          #0e0e0f;
  --surface:     #1a1a1c;
  --surface2:    #242428;
  --surface3:    #2e2e34;
  --border:      rgba(255,255,255,0.08);
  --border2:     rgba(255,255,255,0.14);
  --text:        #f0ede8;
  --text2:       #9a9790;
  --text3:       #5e5c58;
  --accent:      #e8d44d;
  --accent-dim:  rgba(232,212,77,0.15);
  --red:         #e84d4d;
  --green:       #4de87a;
  --radius:      6px;
  --radius-lg:   10px;
  --font-mono:   'IBM Plex Mono', monospace;
  --font-sans:   'IBM Plex Sans', sans-serif;
}

/* ── BASE ── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  user-select: none;
}

/* ══════════════════════════════════════════
   TOP BAR
   ══════════════════════════════════════════ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 12px;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
}
.logo span {
  color: var(--text3);
  font-weight: 400;
}

.topbar-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ── Volume ── */
.vol-group {
  display: flex;
  align-items: center;
  gap: 10px;
}
.vol-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text3);
  text-transform: uppercase;
}
.vol-value {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  min-width: 28px;
  text-align: right;
}

input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 110px;
  height: 3px;
  background: var(--surface3);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  cursor: pointer;
  transition: transform 0.1s;
}
input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.2); }
input[type=range]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  cursor: pointer;
}

/* Botones mute+agregar: fila horizontal siempre */
.topbar-btn-row {
  display: flex;
  gap: 10px;
}

/* ══════════════════════════════════════════
   RESPONSIVE — MOBILE
   ══════════════════════════════════════════ */
@media (max-width: 540px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 16px 12px;
    gap: 12px;
  }

  .topbar-controls {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  /* Volume row: full width, slider expands */
  .vol-group {
    width: 100%;
    gap: 10px;
  }
  .vol-group input[type=range] {
    flex: 1;
    width: auto;
  }

  .topbar-btn-row {
    width: 100%;
  }
  .btn-mute,
  .btn-config {
    flex: 1;
    justify-content: center;
  }

  .sound-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }

  .main {
    padding: 20px 16px;
  }
}

/* ── Mute button ── */
.btn-mute {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  background: var(--surface3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-mute:hover { color: var(--text); }
.btn-mute.muted {
  background: rgba(232,77,77,0.12);
  border-color: var(--red);
  color: var(--red);
}
.btn-mute .icon { font-size: 14px; }

/* ── Add / Config button ── */
.btn-config {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  background: var(--accent-dim);
  border: 1px solid rgba(232,212,77,0.3);
  border-radius: var(--radius);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-config:hover { background: rgba(232,212,77,0.22); }

/* ══════════════════════════════════════════
   MAIN GRID
   ══════════════════════════════════════════ */
.main {
  flex: 1;
  padding: 28px 24px;
  overflow-y: auto;
}

.grid-header {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text3);
  text-transform: uppercase;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.sound-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
}

/* ── Sound Button ── */
.sound-btn-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
}

.sound-btn {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.08s, filter 0.1s;
  overflow: hidden;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
  padding: 16px;
  word-break: break-word;
}
.sound-btn.empty {
  background: var(--surface2);
  border: 1.5px dashed var(--border2);
  color: var(--text3);
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  cursor: default;
}
.sound-btn:not(.empty):active {
  transform: scale(0.94);
  filter: brightness(0.85);
}
.sound-btn:not(.empty):hover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.07);
  border-radius: inherit;
}

/* Playing pulse animation */
.sound-btn.playing::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  animation: pulse-ring 0.5s ease-out;
  border: 3px solid rgba(255,255,255,0.5);
  opacity: 0;
}
@keyframes pulse-ring {
  0%   { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.08); opacity: 0; }
}

.sound-btn .btn-icon {
  font-size: 22px;
  display: block;
}
.sound-btn .btn-label {
  color: inherit;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* Edit bar (shown on hover) */
.btn-edit-bar {
  display: flex;
  justify-content: center;
  margin-top: 6px;
  opacity: 0;
  transition: opacity 0.15s;
}
.sound-btn-wrap:hover .btn-edit-bar { opacity: 1; }

.btn-edit {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.07em;
  color: var(--text3);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.12s;
  text-transform: uppercase;
}
.btn-edit:hover {
  color: var(--accent);
  border-color: rgba(232,212,77,0.3);
}

/* Add slot button */
.btn-add {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--surface2);
  border: 1.5px dashed var(--border2);
  border-radius: var(--radius-lg);
  color: var(--text3);
  font-size: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.btn-add:hover {
  color: var(--accent);
  border-color: rgba(232,212,77,0.4);
  background: var(--accent-dim);
}

/* ══════════════════════════════════════════
   MODAL
   ══════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  padding: 16px;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 14px;
  width: 420px;
  max-width: 100%;
  max-height: calc(100dvh - 32px);
  display: flex;
  flex-direction: column;
  transform: translateY(16px);
  transition: transform 0.2s;
  overflow: hidden;
}
.modal-overlay.open .modal { transform: translateY(0); }

/* Fixed header */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text3);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
  transition: color 0.1s;
  padding: 4px;
  flex-shrink: 0;
}
.modal-close:hover { color: var(--text); }

/* Scrollable body */
.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

/* Fixed footer */
.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* ── Collapsible picker toggle ── */
.picker-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, border-radius 0.15s;
  text-align: left;
}
.picker-toggle:hover { background: var(--surface3); }
.picker-toggle[aria-expanded="true"] {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-color: transparent;
}

.picker-toggle-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  flex: 1;
}
.picker-toggle-current {
  font-size: 18px;
  line-height: 1;
}
.picker-toggle-swatch {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 1px solid var(--border2);
  flex-shrink: 0;
}
.picker-toggle-arrow {
  font-size: 12px;
  color: var(--text3);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.picker-toggle[aria-expanded="true"] .picker-toggle-arrow {
  transform: rotate(180deg);
}

/* Expandable panel */
.picker-panel {
  display: none;
  padding: 12px;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  margin-bottom: 0;
}
.picker-panel.open { display: block; }

/* ── Form fields ── */
.field {
  margin-bottom: 18px;
}
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 8px;
}
.field input[type=text] {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.15s;
}
.field input[type=text]:focus { border-color: rgba(232,212,77,0.5); }
.field input[type=text]::placeholder { color: var(--text3); }

.field select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 10px 14px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
}
.field select:focus { border-color: rgba(232,212,77,0.5); }
.field select option { background: var(--surface2); }

/* ── Color picker ── */
.color-picker-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.color-swatch {
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.1s, border-color 0.1s;
}
.color-swatch:hover { transform: scale(1.12); }
.color-swatch.selected { border-color: white; }

.color-custom-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
input[type=color] {
  -webkit-appearance: none;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius);
  background: none;
  cursor: pointer;
  padding: 0;
}
input[type=color]::-webkit-color-swatch-wrapper { padding: 0; }
input[type=color]::-webkit-color-swatch {
  border: 2px solid var(--border2);
  border-radius: var(--radius);
}

/* ── Icon picker ── */
.icon-picker {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.icon-opt {
  font-size: 20px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.1s;
}
.icon-opt:hover { background: var(--surface3); }
.icon-opt.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* ── Button preview ── */
.btn-preview {
  width: 100%;
  height: 70px;
  border-radius: var(--radius-lg);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  cursor: default;
  margin-bottom: 20px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* ── File upload area ── */
.upload-area {
  border: 1.5px dashed var(--border2);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
}
.upload-area:hover {
  border-color: rgba(232,212,77,0.4);
  background: var(--accent-dim);
}
.upload-area input[type=file] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.upload-area p {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 0.05em;
  pointer-events: none;
}
.upload-area p strong { color: var(--accent); }
.upload-area .file-selected {
  font-size: 12px;
  color: var(--green);
  margin-top: 4px;
}

/* ── Preset sounds ── */
.preset-sounds {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.preset-loading {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 0.05em;
}
.preset-empty {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 0.05em;
  font-style: italic;
}
.preset-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.preset-btn:hover {
  color: var(--text);
  border-color: var(--border2);
  background: var(--surface3);
}
.preset-btn.selected {
  background: var(--accent-dim);
  border-color: rgba(232,212,77,0.5);
  color: var(--accent);
}
.preset-btn .preset-icon { font-size: 13px; }

/* ── Section divider ── */
.field-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.field-divider::before,
.field-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.field-divider span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text3);
  white-space: nowrap;
}

/* ── Modal action buttons ── */
.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}
.btn-cancel {
  padding: 9px 18px;
  background: none;
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-cancel:hover {
  color: var(--text);
  background: var(--surface2);
}
.btn-save {
  padding: 9px 22px;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: #1a1a1c;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-save:hover { background: #f0de6a; }

.btn-clear {
  padding: 9px 16px;
  background: none;
  border: 1px solid rgba(232,77,77,0.3);
  border-radius: var(--radius);
  color: var(--red);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
  margin-right: auto;
}
.btn-clear:hover { background: rgba(232,77,77,0.1); }

/* ══════════════════════════════════════════
   STATUS BAR
   ══════════════════════════════════════════ */
.statusbar {
  padding: 8px 24px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: blink 2s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}
.status-text {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text3);
  text-transform: uppercase;
}
.status-playing {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-left: auto;
}