/* ==============================================
   mixer.css - OFFBEAT Auto Mixer Section Styles
   ============================================== */

.ob-mixer-section { background: var(--bg); }

.ob-mixer-badge {
  display: inline-block;
  font-family: 'Space Grotesk', monospace;
  font-size: 10px; font-weight: 700; letter-spacing: .12em;
  color: #fff; background: var(--accent);
  border-radius: 4px; padding: 3px 8px;
  vertical-align: middle; margin-left: 8px;
}

.ob-mixer {
  max-width: 860px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 40px;
}

.ob-mixer__step-label {
  font-family: 'Space Grotesk', monospace;
  font-size: 11px; font-weight: 700; letter-spacing: .14em;
  color: var(--accent); margin-bottom: 20px;
}

/* Dropzone */
.ob-mixer__dropzone {
  border: 2px dashed var(--line); border-radius: 20px;
  padding: clamp(40px, 6vw, 64px) 24px; text-align: center;
  cursor: pointer; transition: all .3s ease; background: var(--paper);
}
.ob-mixer__dropzone:hover, .ob-mixer__dropzone.is-over {
  border-color: var(--accent-border); background: var(--accent-light);
}
.ob-mixer__drop-icon { color: var(--accent); opacity: .6; margin-bottom: 16px; }
.ob-mixer__drop-main { font-size: 16px; font-weight: 700; margin: 0 0 8px; letter-spacing: .04em; }
.ob-mixer__drop-sub  { font-size: 14px; color: var(--muted); margin: 0 0 12px; }
.ob-mixer__file-label { color: var(--accent); text-decoration: underline; cursor: pointer; font-weight: 700; }
.ob-mixer__drop-note { font-size: 12px; color: var(--muted); margin: 0; }

/* Track List */
.ob-mixer__tracks { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
@keyframes obTrackIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.ob-mixer__track {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--paper);
  border: 1px solid var(--line); border-radius: 10px;
  animation: obTrackIn .3s ease-out;
}
.ob-mixer__track-type {
  font-family: 'Space Grotesk', monospace;
  font-size: 10px; font-weight: 700; letter-spacing: .1em;
  color: #fff; background: var(--accent); border-radius: 4px;
  padding: 3px 8px; flex-shrink: 0; min-width: 64px; text-align: center;
}
.ob-mixer__track-type--default { background: var(--muted); }
.ob-mixer__track-name { font-size: 13px; color: var(--text); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ob-mixer__track-size { font-size: 11px; color: var(--muted); flex-shrink: 0; }
.ob-mixer__track-remove {
  background: none; border: none; cursor: pointer;
  color: var(--muted); padding: 4px; border-radius: 4px;
  line-height: 1; transition: color .2s ease; flex-shrink: 0;
}
.ob-mixer__track-remove:hover { color: #e05555; }

/* Presets */
.ob-mixer__presets { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.ob-mixer__preset-btn {
  display: flex; flex-direction: column; gap: 6px;
  padding: 16px 12px; background: var(--paper);
  border: 1px solid var(--line); border-radius: 14px;
  cursor: pointer; text-align: left; transition: all .25s ease;
}
.ob-mixer__preset-btn:hover {
  border-color: var(--accent-border); background: var(--accent-light); transform: translateY(-2px);
}
.ob-mixer__preset-btn--active {
  border-color: var(--accent); background: var(--accent-light);
  box-shadow: 0 4px 20px rgba(239,162,92,.2);
}
.ob-mixer__preset-name { font-family: 'Bebas Neue', sans-serif; font-size: 18px; letter-spacing: .06em; color: var(--text); display: block; }
.ob-mixer__preset-btn--active .ob-mixer__preset-name { color: var(--accent); }
.ob-mixer__preset-desc { font-size: 11px; color: var(--muted); line-height: 1.5; display: block; }

/* Mix Button */
.ob-mixer__run-btn {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 20px 48px; background: var(--text);
  border: 2px solid var(--text); border-radius: 14px;
  color: #fff; font-family: 'Bebas Neue', sans-serif;
  font-size: 22px; letter-spacing: .1em; cursor: pointer; transition: all .3s ease;
}
.ob-mixer__run-btn:hover:not(:disabled) {
  background: var(--accent); border-color: var(--accent);
  transform: translateY(-3px); box-shadow: 0 10px 32px rgba(239,162,92,.3);
}
.ob-mixer__run-btn:disabled { opacity: .35; cursor: not-allowed; }
.ob-mixer__run-icon { display: flex; align-items: center; }

/* Progress */
.ob-mixer__progress { margin-top: 24px; }
.ob-mixer__progress-bar { height: 4px; background: var(--line); border-radius: 999px; overflow: hidden; margin-bottom: 12px; }
.ob-mixer__progress-fill { height: 100%; background: var(--accent); border-radius: 999px; transition: width .4s ease; width: 0%; }
.ob-mixer__progress-msg { font-size: 13px; color: var(--muted); margin: 0; font-weight: 600; letter-spacing: .04em; }

/* Result */
.ob-mixer__result { margin-top: 24px; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.ob-mixer__result-inner { display: flex; align-items: center; gap: 10px; color: #2a7a50; font-size: 15px; font-weight: 700; letter-spacing: .04em; }
.ob-mixer__result-inner svg { color: #2a7a50; }
.ob-mixer__download-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; background: var(--accent); border-radius: 10px;
  color: #fff; text-decoration: none; font-size: 14px;
  font-weight: 700; letter-spacing: .06em; transition: all .3s ease;
}
.ob-mixer__download-btn:hover { background: #d4863e; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(239,162,92,.3); }

/* Note */
.ob-mixer__note { font-size: 12px; color: var(--muted); line-height: 1.9; margin: 0; padding-top: 8px; border-top: 1px solid var(--line); }

/* Responsive */
@media (max-width: 899px) { .ob-mixer__presets { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) {
  .ob-mixer__presets { grid-template-columns: repeat(2, 1fr); }
  .ob-mixer__run-btn { width: 100%; justify-content: center; padding: 18px 24px; }
}