/* SFXR 音效生成器 — 1:1 复刻 sfxr.me 布局
 * 三栏：左侧预设按钮 / 中央参数面板 / 右侧播放与导出
 */

.sfxr-page {
  --sfxr-bg: #1a1d21;
  --sfxr-panel: #23272d;
  --sfxr-border: #3a3f47;
  --sfxr-text: #e6e8eb;
  --sfxr-text-mute: #8b9098;
  --sfxr-accent: #7dd3fc;
  --sfxr-accent-strong: #38bdf8;
  --sfxr-warn: #fbbf24;
  --sfxr-track: #2c313a;
  --sfxr-thumb: #7dd3fc;
}

.sfxr-page {
  display: grid;
  grid-template-columns: 235px 1fr 280px;
  gap: 1rem;
  align-items: start;
}

/* 中间列：参数面板 + 预选面板垂直堆叠 */
.sfxr-params-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ---------- 左侧：预设栏 ---------- */
.sfxr-presets {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--sfxr-panel);
  border: 1px solid var(--sfxr-border);
  border-radius: 8px;
  position: sticky;
  top: 1rem;
}

.sfxr-presets h3 {
  font-size: 0.85rem;
  color: var(--sfxr-text-mute);
  margin: 0 0 0.5rem 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.sfxr-preset-btn {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  background: var(--sfxr-track);
  border: 1px solid var(--sfxr-border);
  color: var(--sfxr-text);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.88rem;
  transition: all 0.15s;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sfxr-preset-btn:hover {
  background: #323843;
  border-color: var(--sfxr-accent);
  color: var(--sfxr-accent);
}
.sfxr-preset-btn:focus { outline: none; }
.sfxr-preset-btn.primary {
  background: var(--sfxr-accent);
  color: #0b1a23;
  border-color: var(--sfxr-accent);
  font-weight: 700;
}
.sfxr-preset-btn.primary:hover {
  background: var(--sfxr-accent-strong);
  color: #0b1a23;
}
.sfxr-preset-btn .ico { font-size: 1rem; }

@keyframes sfxr-shake {
  0%   { transform: translateX(0); }
  20%  { transform: translateX(-5px); }
  40%  { transform: translateX(5px); }
  60%  { transform: translateX(-4px); }
  80%  { transform: translateX(4px); }
  100% { transform: translateX(0); }
}
.sfxr-preset-btn.shake {
  animation: sfxr-shake 0.3s ease;
}

.sfxr-preset-divider {
  height: 1px;
  background: var(--sfxr-border);
  margin: 0.5rem 0;
}

/* ---------- 中间：参数面板 ---------- */
.sfxr-params {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.sfxr-group {
  background: var(--sfxr-panel);
  border: 1px solid var(--sfxr-border);
  border-radius: 8px;
  padding: 0.75rem 1rem 0.9rem;
}

.sfxr-group h4 {
  font-size: 0.78rem;
  color: var(--sfxr-text-mute);
  margin: 0 0 0.6rem 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sfxr-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.3rem;
}
.sfxr-row:last-child { margin-bottom: 0; }

.sfxr-row label {
  width: 6.5em;
  min-width: 6.5em;
  font-size: 0.82rem;
  color: var(--sfxr-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}

.sfxr-row .row-controls {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
}

.sfxr-row input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--sfxr-track);
  border-radius: 2px;
  outline: none;
}
.sfxr-row input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--sfxr-thumb);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}
.sfxr-row input[type=range]::-moz-range-thumb {
  width: 14px; height: 14px;
  background: var(--sfxr-thumb);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.sfxr-row .val {
  width: 5.5em;
  min-width: 5.5em;
  font-size: 0.75rem;
  font-family: ui-monospace, Consolas, monospace;
  color: var(--sfxr-text-mute);
  text-align: right;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Wave type 单选按钮 */
.sfxr-wave-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}
.sfxr-wave-btn {
  padding: 0.5rem;
  background: var(--sfxr-track);
  border: 1px solid var(--sfxr-border);
  color: var(--sfxr-text);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.15s;
  text-align: center;
}
.sfxr-wave-btn:hover { border-color: var(--sfxr-accent); }
.sfxr-wave-btn.active {
  background: var(--sfxr-accent);
  color: #0b1a23;
  border-color: var(--sfxr-accent);
  font-weight: 700;
}

/* ---------- 右侧：播放与导出 ---------- */
.sfxr-player {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--sfxr-panel);
  border: 1px solid var(--sfxr-border);
  border-radius: 8px;
  position: sticky;
  top: 1rem;
}

.sfxr-play-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem;
  background: var(--sfxr-accent);
  color: #0b1a23;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 700;
  transition: all 0.15s;
}
.sfxr-play-btn:hover { background: var(--sfxr-accent-strong); }

.sfxr-loop-btn {
  width: 100%;
  margin-top: 0.4rem;
  padding: 0.55rem;
  background: var(--sfxr-track);
  border: 1px solid var(--sfxr-border);
  color: var(--sfxr-text-mute);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.15s;
  user-select: none;
  -webkit-user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}
.sfxr-loop-btn:hover { border-color: var(--sfxr-accent); color: var(--sfxr-accent); }
.sfxr-loop-btn.active {
  background: var(--sfxr-accent);
  color: #0b1a23;
  border-color: var(--sfxr-accent);
}

.sfxr-canvas {
  width: 100%;
  height: 80px;
  background: #0d1117;
  border: 1px solid var(--sfxr-border);
  border-radius: 6px;
  display: block;
}

.sfxr-meta {
  font-size: 0.78rem;
  color: var(--sfxr-text-mute);
  font-family: ui-monospace, Consolas, monospace;
  display: flex;
  justify-content: space-between;
}

.sfxr-segctl {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.sfxr-segctl > span {
  font-size: 0.78rem;
  color: var(--sfxr-text-mute);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.sfxr-segctl-row {
  display: flex;
  gap: 0.3rem;
}
.sfxr-segctl-row button {
  flex: 1;
  padding: 0.4rem;
  background: var(--sfxr-track);
  border: 1px solid var(--sfxr-border);
  color: var(--sfxr-text);
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.82rem;
  font-family: ui-monospace, Consolas, monospace;
}
.sfxr-segctl-row button.active {
  background: var(--sfxr-accent);
  color: #0b1a23;
  border-color: var(--sfxr-accent);
  font-weight: 700;
}



/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .sfxr-page {
    grid-template-columns: 1fr;
  }
  .sfxr-presets, .sfxr-player {
    position: static;
  }
  .sfxr-presets {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .sfxr-preset-btn { flex: 1 1 calc(25% - 0.5rem); }
  .sfxr-preset-divider { width: 100%; }
}
@media (max-width: 700px) {
  .sfxr-params { grid-template-columns: 1fr; }
}

/* ---------- 键盘提示 ---------- */
.sfxr-kbd-hints {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.72rem;
  color: var(--sfxr-text-mute);
}
.sfxr-kbd-hints kbd {
  display: inline-block;
  padding: 0.1em 0.4em;
  background: var(--sfxr-track);
  border: 1px solid var(--sfxr-border);
  border-radius: 3px;
  font-size: 0.7rem;
  font-family: inherit;
  color: var(--sfxr-text);
}

/* ---------- 操作按钮区 ---------- */
.sfxr-actions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--sfxr-border);
}
.sfxr-action-row {
  display: flex;
  gap: 0.4rem;
}
.sfxr-action-btn {
  flex: 1;
  padding: 0.55rem 0.75rem;
  background: var(--sfxr-track);
  border: 1px solid var(--sfxr-border);
  color: var(--sfxr-text);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.15s;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  overflow: hidden;
}
.sfxr-action-btn:hover { border-color: var(--sfxr-accent); color: var(--sfxr-accent); }
.sfxr-action-label { cursor: pointer; display: flex; flex: 1; align-items: center; justify-content: center; }

/* ---------- 预选面板 ---------- */
.sfxr-favorites {
  padding: 0.75rem 1rem;
  background: var(--sfxr-panel);
  border: 1px solid var(--sfxr-border);
  border-radius: 8px;
}
.sfxr-fav-header {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--sfxr-text-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
}
.sfxr-fav-hint {
  font-weight: normal;
  font-size: 0.75rem;
  opacity: 0.6;
  text-transform: none;
  letter-spacing: 0;
}
.sfxr-fav-slots {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.35rem;
}
.sfxr-fav-slot {
  position: relative;
  min-height: 3rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  overflow: hidden;
  transition: all 0.15s;
}
.sfxr-fav-slot.empty {
  background: var(--sfxr-track);
  border: 1px dashed var(--sfxr-border);
  color: #444;
}
.sfxr-fav-slot.filled {
  background: var(--sfxr-track);
  border: 1px solid var(--sfxr-accent);
  color: var(--sfxr-text);
  cursor: pointer;
}
.sfxr-fav-slot.filled:hover {
  background: var(--sfxr-accent);
  color: #0b1a23;
}
.sfxr-fav-label {
  padding: 0.25rem 1.2rem 0.25rem 0.3rem;
  text-align: center;
  word-break: break-all;
  line-height: 1.3;
  font-size: 0.72rem;
}
.sfxr-fav-del {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 16px;
  height: 16px;
  background: rgba(0, 0, 0, 0.55);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
  padding: 0;
  line-height: 1;
}
.sfxr-fav-slot.filled:hover .sfxr-fav-del { opacity: 1; }

.sfxr-name-dialog-mask {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 12, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.sfxr-name-dialog {
  width: min(92vw, 360px);
  background: #1b2129;
  border: 1px solid var(--sfxr-border);
  border-radius: 10px;
  padding: 0.9rem;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.35);
}
.sfxr-name-dialog-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--sfxr-text);
  margin-bottom: 0.55rem;
}
.sfxr-name-dialog-input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--sfxr-border);
  background: #121821;
  color: var(--sfxr-text);
  border-radius: 6px;
  padding: 0.56rem 0.65rem;
  font-size: 0.9rem;
}
.sfxr-name-dialog-input:focus {
  outline: none;
  border-color: var(--sfxr-accent);
}
.sfxr-name-dialog-hint {
  margin-top: 0.42rem;
  font-size: 0.76rem;
  color: var(--sfxr-text-mute);
}
.sfxr-name-dialog-actions {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}
.sfxr-name-dialog-btn {
  border: 1px solid var(--sfxr-border);
  background: #1d2430;
  color: var(--sfxr-text);
  border-radius: 6px;
  padding: 0.4rem 0.78rem;
  cursor: pointer;
}
.sfxr-name-dialog-btn.primary {
  border-color: var(--sfxr-accent);
  color: var(--sfxr-accent);
}