/* 本地视频播放器 /tools/local-video-player —— class 前缀 lvp-，沿用站点主题变量自动适配深/浅色
   复刻 tools.ai225.com/tools/local-video-player：选择视频 / 倍速 / 快退快进 10 秒 / 截图 / 循环播放，
   键盘 Space ← → ↑ ↓ F M L，拖拽上传，文件信息「文件：名称 (宽x高)」。
   增强：播放列表、进度条与缓冲、音量、静音、画中画、全屏、逐帧步进、截图记录、快捷键面板。 */
.lvp {
    width: 100%;
    box-sizing: border-box;
    padding: 22px 24px 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ===== 头部 ===== */
.lvp-hero { display: flex; align-items: center; gap: 14px; }
.lvp-hero-ico {
    width: 46px; height: 46px; flex: 0 0 46px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
    font-size: 24px; line-height: 1; background: color-mix(in srgb, var(--accent) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
}
.lvp-hero-txt { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.lvp-title { margin: 0; font-size: 22px; font-weight: 800; color: var(--text-primary); }
.lvp-sub { margin: 0; font-size: 13.5px; line-height: 1.7; color: var(--text-secondary); }

/* ===== 主体：左播放器 / 右列表 ===== */
.lvp-main { display: grid; gap: 16px; align-items: start; grid-template-columns: minmax(0, 1fr) 320px; }
.lvp-col { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

/* ===== 卡片 ===== */
.lvp-card {
    background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 14px;
    padding: 14px 15px; display: flex; flex-direction: column; gap: 12px; min-width: 0;
}
.lvp-card-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.lvp-card-title { margin: 0; font-size: 14.5px; font-weight: 800; color: var(--text-primary); flex: 1 1 auto; }
.lvp-card-sub { font-size: 12.5px; color: var(--text-secondary); font-weight: 500; }

/* ===== 通用控件 ===== */
.lvp-btn {
    padding: 8px 14px; font-size: 13.5px; font-weight: 600; font-family: inherit; border-radius: 10px;
    border: 1px solid var(--border-color); background: var(--bg-primary); color: var(--text-primary);
    cursor: pointer; transition: all .15s; white-space: nowrap;
}
.lvp-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.lvp-btn:disabled { opacity: .45; cursor: not-allowed; }
.lvp-btn-sm { padding: 6px 11px; font-size: 12.5px; border-radius: 9px; }
.lvp-btn-go { background: var(--accent); border-color: var(--accent); color: #fff; }
.lvp-btn-go:hover:not(:disabled) { color: #fff; filter: brightness(1.08); }
.lvp-btn.is-on { background: color-mix(in srgb, var(--accent) 14%, transparent); border-color: var(--accent); color: var(--accent); }
.lvp-btn-danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
.lvp-btn-danger:hover:not(:disabled) { border-color: var(--danger); color: var(--danger); }

.lvp-select {
    padding: 6px 9px; font-size: 13px; font-family: inherit; border-radius: 9px;
    border: 1px solid var(--border-color); background: var(--bg-secondary); color: var(--text-primary);
    box-sizing: border-box;
}
.lvp-select:focus { outline: none; border-color: var(--accent); }
.lvp-label { font-size: 12.5px; font-weight: 600; color: var(--text-secondary); white-space: nowrap; }

/* ===== 顶部操作行（参考站 tool-actions 同款排列） ===== */
.lvp-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.lvp-rate-wrap { display: flex; align-items: center; gap: 6px; }

/* ===== 视频舞台 ===== */
.lvp-stage {
    position: relative; width: 100%; background: #000; border-radius: 12px; overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, .18);
}
.lvp-stage video { display: block; width: 100%; max-height: 70vh; background: #000; }
.lvp-stage.is-empty video { visibility: hidden; }

/* 拖拽高亮（参考站：整块 tool-body 变蓝） */
.lvp-stage.is-over { outline: 2px solid var(--accent); outline-offset: -2px; }

/* 空态：dashed 上传区（复刻参考站覆盖层） */
.lvp-empty {
    position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 10px; border: 2px dashed color-mix(in srgb, var(--text-primary) 22%, transparent); border-radius: 12px;
    color: var(--text-secondary); transition: all .15s; cursor: pointer; padding: 20px; text-align: center;
    background: color-mix(in srgb, var(--text-primary) 4%, transparent);
}
.lvp-empty:hover { border-color: var(--accent); color: var(--accent); }
.lvp-empty.is-over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.lvp-empty[hidden] { display: none !important; }
.lvp-empty-ico { font-size: 44px; line-height: 1; opacity: .55; }
.lvp-empty-tx { font-size: 14px; font-weight: 600; }
.lvp-empty-sub { font-size: 12px; opacity: .8; }

/* 截图白闪（参考站：bg-white/50 + fade-out 150ms） */
.lvp-flash {
    position: absolute; inset: 0; background: rgba(255, 255, 255, .5); pointer-events: none; z-index: 5;
    animation: lvp-fade-out .15s ease-out forwards;
}
.lvp-flash[hidden] { display: none !important; }
@keyframes lvp-fade-out { from { opacity: 1; } to { opacity: 0; } }

/* ===== 控制条 ===== */
.lvp-bar { display: flex; flex-direction: column; gap: 10px; }
.lvp-bar-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.lvp-time { font-size: 12.5px; font-variant-numeric: tabular-nums; color: var(--text-secondary); white-space: nowrap; }
.lvp-time b { color: var(--text-primary); font-weight: 700; }

/* 进度条：底层轨道 + 缓冲层 + 已播层，range 透明覆盖其上 */
.lvp-prog { position: relative; flex: 1 1 220px; min-width: 160px; height: 18px; display: flex; align-items: center; }
.lvp-prog-track {
    position: absolute; left: 0; right: 0; height: 6px; border-radius: 3px; overflow: hidden;
    background: color-mix(in srgb, var(--text-primary) 16%, transparent);
}
.lvp-prog-buf { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: color-mix(in srgb, var(--text-primary) 26%, transparent); }
.lvp-prog-cur { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: var(--accent); }
.lvp-prog input[type="range"] {
    position: relative; width: 100%; margin: 0; height: 18px; background: transparent;
    -webkit-appearance: none; appearance: none; cursor: pointer;
}
.lvp-prog input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none; width: 13px; height: 13px; border-radius: 50%;
    background: var(--accent); border: 2px solid var(--bg-primary); box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
}
.lvp-prog input[type="range"]::-moz-range-thumb {
    width: 13px; height: 13px; border-radius: 50%; background: var(--accent);
    border: 2px solid var(--bg-primary); box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
}
.lvp-prog input[type="range"]:disabled { cursor: not-allowed; }

/* 音量 */
.lvp-vol { display: flex; align-items: center; gap: 6px; }
.lvp-vol input[type="range"] { width: 82px; accent-color: var(--accent); }

/* ===== 信息条 ===== */
.lvp-info {
    font-size: 12px; color: var(--text-secondary); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    line-height: 1.6; word-break: break-all;
}
.lvp-info b { color: var(--text-primary); }

/* ===== 播放列表 ===== */
.lvp-list { display: flex; flex-direction: column; gap: 6px; max-height: 320px; overflow: auto; }
.lvp-item {
    display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 10px; cursor: pointer;
    border: 1px solid var(--border-color); background: var(--bg-secondary); transition: all .15s; min-width: 0;
}
.lvp-item:hover:not(.is-cur) { border-color: var(--accent); }
.lvp-item.is-cur {
    border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.lvp-item-no {
    flex: 0 0 auto; width: 20px; height: 20px; border-radius: 6px; font-size: 11px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    background: color-mix(in srgb, var(--text-primary) 12%, transparent); color: var(--text-secondary);
}
.lvp-item.is-cur .lvp-item-no { background: var(--accent); color: #fff; }
.lvp-item-main { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.lvp-item-name {
    font-size: 12.5px; font-weight: 600; color: var(--text-primary);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.lvp-item-meta { font-size: 11px; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.lvp-item-del {
    flex: 0 0 auto; border: 0; background: transparent; color: var(--text-secondary); cursor: pointer;
    font-size: 14px; line-height: 1; padding: 3px 5px; border-radius: 6px; font-family: inherit;
}
.lvp-item-del:hover { color: var(--danger); background: color-mix(in srgb, var(--danger) 14%, transparent); }

/* ===== 截图记录 ===== */
.lvp-shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 8px; }
.lvp-shot { position: relative; border: 1px solid var(--border-color); border-radius: 9px; overflow: hidden; background: var(--bg-secondary); }
.lvp-shot img { display: block; width: 100%; height: 62px; object-fit: cover; }
.lvp-shot-bar { display: flex; align-items: center; gap: 4px; padding: 4px 5px; }
.lvp-shot-time { font-size: 10.5px; color: var(--text-secondary); flex: 1 1 auto; font-variant-numeric: tabular-nums; }
.lvp-shot-dl {
    border: 0; background: transparent; color: var(--accent); cursor: pointer; font-size: 12px;
    padding: 2px 4px; border-radius: 5px; font-family: inherit;
}
.lvp-shot-dl:hover { background: color-mix(in srgb, var(--accent) 14%, transparent); }

/* ===== 快捷键 ===== */
.lvp-keys { display: grid; gap: 5px; }
.lvp-key { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-secondary); }
.lvp-key kbd {
    flex: 0 0 auto; min-width: 26px; text-align: center; padding: 2px 6px; border-radius: 6px; font-size: 11px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--text-primary);
    background: var(--bg-secondary); border: 1px solid var(--border-color);
}

/* ===== 提示条 ===== */
.lvp-note {
    margin: 0; padding: 9px 13px; border-radius: 11px; font-size: 13px; line-height: 1.6;
    border: 1px solid var(--border-color); background: var(--bg-secondary); color: var(--text-secondary);
}
.lvp-note[hidden] { display: none !important; }
.lvp-note.is-err { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
.lvp-note.is-ok { color: #15803d; border-color: #86efac; }

/* ===== 空列表提示 ===== */
.lvp-hint { font-size: 12.5px; color: var(--text-secondary); line-height: 1.6; margin: 0; }

/* ===== 说明区 ===== */
.lvp-info-card {
    background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 14px; padding: 16px 18px;
}
.lvp-info-card h2 { margin: 0 0 8px; font-size: 15px; font-weight: 800; color: var(--text-primary); }
.lvp-info-card p { margin: 0 0 12px; font-size: 13.5px; line-height: 1.8; color: var(--text-secondary); }
.lvp-info-card h3 { margin: 0 0 8px; font-size: 13.5px; font-weight: 800; color: var(--text-primary); }
.lvp-info-card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.lvp-info-card li { font-size: 13px; line-height: 1.7; color: var(--text-secondary); }

/* [hidden] 兜底：站点里部分元素声明了 display，会覆盖原生 hidden */
.lvp [hidden] { display: none !important; }

/* ===== 响应式 ===== */
@media (max-width: 1099px) {
    .lvp-main { grid-template-columns: minmax(0, 1fr); }
    .lvp-list { max-height: 260px; }
}
@media (max-width: 767px) {
    .lvp { padding: 16px 14px 34px; }
    .lvp-hero-ico { width: 40px; height: 40px; flex-basis: 40px; font-size: 21px; }
    .lvp-title { font-size: 19px; }
    .lvp-card { padding: 12px; }
    .lvp-stage video { max-height: 52vh; }
    .lvp-actions { gap: 6px; }
    .lvp-btn-sm { padding: 7px 10px; font-size: 13px; }
    .lvp-prog { flex: 1 1 100%; order: -1; }
    .lvp-vol input[type="range"] { width: 64px; }
    /* iOS 聚焦缩放防护 */
    .lvp-select { font-size: 16px; }
    .lvp-keys { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 420px) {
    .lvp-keys { grid-template-columns: minmax(0, 1fr); }
    .lvp-shots { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}