/* ============================================================
   css/panels/panels-calendar-builder-multi.css — 日程「多选&复用」大界面 + 「确认复制？」弹窗
   分区颜色仅作位置示意，实际配色全部随 core.css 主题令牌（浅/暗主题自适应）。
   主按钮用 --accent 纯色+阴影（禁止渐变按钮），衬线花字仅装饰，无 emoji，SVG 线条图标。
   所有弹层按防闪：隐藏态插入 → rAF .show（基类 opacity:0 + close transition，.show 里 animation 独占）。
   ============================================================ */

/* ===== 多选&复用 大界面（满屏，挂 #app，盖在 builder 之上；作为右滑抽屉，拖动跟手） ===== */
.nsb-multi-overlay {
    position: absolute; inset: 0;
    z-index: 1720;
    display: flex; flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
    padding: calc(8px + env(safe-area-inset-top, 0px)) 10px calc(10px + env(safe-area-inset-bottom, 0px));
    max-width: 480px; margin: 0 auto;
    box-shadow: -12px 0 30px rgba(160,145,130,0.20);
    transform: translateX(100%);
    transition: transform 0.32s cubic-bezier(0.22,0.61,0.36,1);
    scrollbar-width: none;
    /* 根因：builder.css 残留的旧 .nsb-multi-overlay 规则设了 pointer-events:none，
       且加载在前、未被覆盖 → 整个多选界面全部点不了。这里显式开启。 */
    pointer-events: auto;
}
.nsb-multi-overlay::-webkit-scrollbar { display: none; }
.nsb-multi-overlay.show { transform: translateX(0); }

/* ----- 吸顶头部：左侧返回旗形签 + 当日盒标题行（日期标签 + 整理） ----- */
.nsb-multi-head {
    flex: 0 0 auto;
    position: relative; z-index: 45;
    display: flex; align-items: center;
    padding-left: 12px;
    background: var(--surface);
    border: 1px solid rgba(160,145,130,0.16);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.4);
}
.nsb-multi-top {
    flex: 1; min-width: 0;
    display: flex; align-items: center; gap: 8px;
    padding: 8px 12px 8px 6px;
}
/* 顶部左上返回箭头（与其它界面习惯一致） */
.nsb-multi-back {
    flex: 0 0 auto;
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    border: none; border-radius: 10px;
    background: transparent; color: var(--text-secondary);
    cursor: pointer; -webkit-tap-highlight-color: transparent;
}
.nsb-multi-back:active { transform: scale(0.92); background: rgba(201,168,168,0.12); }

/* ----- 滚动内容区 ----- */
.nsb-multi-body {
    flex: 1; min-height: 0;
    display: flex; flex-direction: column;
    overflow-y: auto; scrollbar-width: none;
    padding-top: 10px;
}
.nsb-multi-body::-webkit-scrollbar { display: none; }
.nsb-multi-box-cap { font-family: var(--font-display); font-style: italic; font-size: 13px; color: var(--accent-rose); letter-spacing: 0.05em; }
.nsb-multi-box-date {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 10px 3px 6px; border: none; background: var(--input-bg);
    border-radius: var(--radius-full); cursor: pointer;
    font-family: var(--font-reading); font-size: 14px; font-weight: 700; color: var(--text-primary);
    letter-spacing: 0.02em;
    transition: background 0.18s ease, color 0.18s ease, transform 0.12s ease;
}
.nsb-multi-box-date:hover { background: var(--accent-light); color: var(--accent); }
.nsb-multi-box-date:active { transform: scale(0.95); }
.nsb-multi-box-date svg { color: var(--text-secondary); }
.nsb-multi-sort {
    margin-left: auto;
    border: 1px solid var(--border); background: var(--surface-solid); border-radius: var(--radius-full);
    height: 30px; padding: 0 12px; cursor: pointer;
    font-family: inherit; font-size: 12px; color: var(--text-secondary);
    display: inline-flex; align-items: center; gap: 5px;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
}
.nsb-multi-sort:hover { color: var(--accent); border-color: var(--accent); }
.nsb-multi-sort:active { transform: scale(0.94); }
.nsb-multi-sort.active { background: var(--accent); color: #FCFAF6; border-color: transparent; }

/* ----- 当日盒 盒子主体 ----- */
.nsb-multi-box {
    flex: 0 0 auto;
    position: relative;
    overflow: hidden;
    background: color-mix(in srgb, var(--accent-light) 26%, var(--surface-solid));
    border: 1px solid rgba(160,145,130,0.16);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm), inset 0 2px 10px rgba(160,145,130,0.05);
    min-height: 228px;
}
.nsb-multi-box-field { position: relative; min-height: 196px; margin: 12px 12px 8px; }
.nsb-multi-box-field .nsb-piece { position: absolute; }
.nsb-multi-box-field.arranged .nsb-piece { position: static; }
.nsb-multi-box-hint {
    position: absolute; left: 0; right: 0; bottom: 7px;
    text-align: center; font-size: 10px; color: var(--text-muted); letter-spacing: 0.04em;
    z-index: 3; pointer-events: none;
}
.nsb-multi-box-empty {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); font-size: 12px; text-align: center; padding: 0 20px; line-height: 1.6;
}

/* ----- 拼图选中高亮（浮起 + 描边 + 光晕）-----
   ★ 甲方 2026-09：选中效果更明显 —— 加粗描边 + 标题下划线高亮 + 整体抬升 */
.nsb-multi-piece.selected {
    transform: translateY(-6px) scale(1.09) rotate(0deg) !important;
    box-shadow: 0 0 0 2.5px var(--accent-rose), 0 0 0 6px var(--accent-light), 0 14px 26px rgba(160,145,130,0.32);
    background-color: color-mix(in srgb, var(--accent-light) 38%, var(--surface-solid));
    border-color: var(--accent-rose);
    z-index: 5;
}
.nsb-multi-piece.selected .nsb-piece-title { color: var(--accent-rose); font-weight: 700; }
.nsb-multi-piece.selected .nsb-piece-dot { box-shadow: 0 0 0 2px var(--accent-rose); }
/* ----- 整理态：一页两行、左右滑动翻页（横向轨道）----- */
.nsb-multi-box-field.arranged {
    display: flex; align-items: flex-start; gap: 0;
    overflow-x: auto; overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; padding: 2px 2px 22px; max-height: 196px;
    touch-action: pan-x;   /* 允许横向滑动翻页；点拼图不误触（见 JS 守卫） */
}
.nsb-multi-box-field.arranged::-webkit-scrollbar { display: none; }
.nsb-multi-page {
    flex: 0 0 100%;
    display: grid; gap: 10px; align-content: start;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    padding: 2px 4px;
    justify-items: center;
}
.nsb-multi-box-field.arranged .nsb-piece { flex: 0 0 auto; width: 86px; will-change: transform, opacity; touch-action: pan-x; }
.nsb-multi-box-field.arranged .nsb-piece.selected { transform: translateY(-4px) scale(1.07) !important; }
/* 长标题小字：允许更多行且不截断（拼图尺寸不变） */
.nsb-piece-small .nsb-piece-title { -webkit-line-clamp: 3; }
.nsb-piece-small .nsb-piece-dur { margin-top: 1px; }

/* ----- 操作按钮行（全选/清除 蓝区示意 + 确认复制 绿区示意） ----- */
.nsb-multi-actions {
    flex: 0 0 auto;
    display: flex; align-items: stretch; gap: 9px;
    margin-top: 10px;
}
.nsb-multi-act-left { display: flex; gap: 9px; flex: 1; }
.nsb-multi-act {
    display: inline-flex; align-items: center; justify-content: center; gap: 5px;
    padding: 6px 8px; height: 34px; min-width: 0;
    border: 1px solid var(--border-faint); border-radius: var(--radius-md);
    background: var(--surface); color: var(--text-secondary);
    font-family: var(--font-reading); font-size: 11.5px; font-weight: 600; letter-spacing: 0.02em;
    cursor: pointer;
    transition: background 0.18s ease, color 0.18s ease, transform 0.12s ease, box-shadow 0.2s ease;
}
.nsb-multi-act svg { flex-shrink: 0; }
.nsb-multi-act:hover { background: var(--accent-light); color: var(--accent); }
.nsb-multi-act:active { transform: scale(0.96); }
.nsb-multi-act-left { flex: 1; min-width: 0; }
.nsb-multi-act-left .nsb-multi-act { flex: 1 1 0; min-width: 0; }
.nsb-multi-act-copy, .nsb-multi-act.nsb-multi-copy {
    flex: 0 1 auto;
    padding: 6px 14px;
    background: var(--accent); color: #FCFAF6; border-color: transparent;
    box-shadow: var(--shadow-sm);
}
.nsb-multi-act.nsb-multi-copy:hover { background: var(--accent-hover); color: #FCFAF6; box-shadow: var(--shadow-md); }
.nsb-multi-act.nsb-multi-copy.disabled { opacity: 0.45; }

/* ----- 选中预览（粉色区示意，两栏） ----- */
.nsb-multi-preview {
    flex: 0 0 auto;
    display: flex; gap: 10px;
    margin-top: 10px;
    padding: 11px 12px;
    background: var(--surface);
    border: 1px solid var(--border-faint);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
}
.nsb-mpv-col { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.nsb-mpv-divider { width: 1px; background: var(--border-faint); flex-shrink: 0; }
.nsb-mpv-head { font-family: var(--font-reading); font-size: 12.5px; font-weight: 600; color: var(--text-secondary); letter-spacing: 0.03em; }
.nsb-mpv-body {
    display: flex; flex-direction: column; gap: 5px;
    max-height: 96px; overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-rose) transparent;
}
/* ★ 甲方 2026-09：选中很多时给一层纤细滚动条示意「还能滑」（不再完全隐藏） */
.nsb-mpv-body::-webkit-scrollbar { width: 5px; }
.nsb-mpv-body::-webkit-scrollbar-track { background: transparent; border-radius: 4px; }
.nsb-mpv-body::-webkit-scrollbar-thumb { background: var(--accent-rose); border-radius: 4px; }
.nsb-mpv-item { display: flex; align-items: center; gap: 6px; min-width: 0; font-size: 12px; color: var(--text-primary); }
.nsb-mpv-swatch { flex-shrink: 0; width: 9px; height: 9px; border-radius: 3px; background: var(--c, var(--gold)); }
.nsb-mpv-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nsb-mpv-src { font-size: 10px; color: var(--text-muted); flex-shrink: 0; }
.nsb-mpv-date { font-family: var(--font-reading); font-size: 12px; color: var(--text-primary); }
.nsb-mpv-date-group { display: flex; align-items: baseline; gap: 5px; min-width: 0; padding: 2px 0; line-height: 1.5; }
.nsb-mpv-date-ym { font-size: 11px; color: var(--text-muted); flex-shrink: 0; letter-spacing: 0.02em; }
.nsb-mpv-date-days { font-family: var(--font-reading); font-size: 13px; font-weight: 700; color: var(--accent-rose, #C9A8A8); letter-spacing: 0.01em; }
.nsb-mpv-none { font-size: 11px; color: var(--text-muted); }

/* ----- 底部日历（淡黄区示意，多选目标日期） ----- */
.nsb-multi-cal {
    flex: 0 0 auto;
    margin-top: 10px;
    padding: 10px 10px 12px;
    background: var(--surface-solid);
    border: 1px solid var(--border-faint);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
}
.nsb-multi-cal-head { display: flex; align-items: center; gap: 6px; padding: 0 2px 8px; }
.nsb-multi-cal-head button {
    width: 30px; height: 30px; border: none; background: transparent; cursor: pointer;
    color: var(--text-secondary); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.18s ease, color 0.18s ease, transform 0.12s ease;
}
.nsb-multi-cal-head button:hover { background: var(--accent-light); color: var(--accent); }
.nsb-multi-cal-head button:active { transform: scale(0.9); }
.nsb-multi-cal-title {
    flex: 1; justify-content: center; font-family: var(--font-reading); font-size: 15px; font-weight: 600;
    color: var(--text-primary) !important; letter-spacing: 0.04em; width: auto !important; border-radius: var(--radius-sm) !important;
}
.nsb-multi-weekdays { display: flex; padding: 2px 0; }
.nsb-multi-wd { flex: 1; text-align: center; font-size: 11px; color: var(--text-muted); letter-spacing: 0.05em; }
.nsb-multi-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.nsb-multi-day {
    display: flex; align-items: center; justify-content: center;
    aspect-ratio: 1 / 1; border-radius: var(--radius-sm);
    font-size: 13px; color: var(--text-primary);
    cursor: pointer; position: relative;
    transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}
.nsb-multi-day:hover { background: var(--accent-light); }
.nsb-multi-day:active { transform: scale(0.9); }
.nsb-multi-day.empty { visibility: hidden; }
.nsb-multi-day.today span { color: var(--accent); font-weight: 700; }
.nsb-multi-day.sel { background: var(--accent-light); color: var(--accent); box-shadow: 0 0 0 1.5px var(--accent) inset; font-weight: 700; }
.nsb-multi-day.sel span { color: var(--accent); }

/* ===== 「确认复制？」弹窗 —— ★ 甲方 2026-09：固定居中弹出（不再贴底）===== */
.nsb-copy-overlay {
    position: absolute; inset: 0;
    z-index: 1780;
    display: flex; align-items: center; justify-content: center;
    background: rgba(20, 14, 10, 0.34);
    padding: 20px;
    opacity: 0;
    transition: opacity 0.22s ease;
    max-width: 480px; margin: 0 auto;
}
.nsb-copy-overlay.show { opacity: 1; animation: nsbCopyFadeIn 0.22s ease; }
@keyframes nsbCopyFadeIn { from { opacity: 0; } to { opacity: 1; } }
.nsb-copy-card {
    width: 100%; max-height: 78%;
    display: flex; flex-direction: column;
    background: var(--surface-solid);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: translateY(14px) scale(0.98);
    transition: transform 0.24s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.nsb-copy-overlay.show .nsb-copy-card { transform: translateY(0) scale(1); }
.nsb-copy-title {
    flex: 0 0 auto;
    padding: 16px 16px 14px;
    text-align: center;
    font-family: var(--font-reading); font-size: 16px; font-weight: 600; letter-spacing: 0.06em;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-faint);
}
.nsb-copy-actions { flex: 0 0 auto; display: flex; gap: 10px; padding: 12px 16px; }
.nsb-copy-btn {
    flex: 1; height: 46px; border: none; cursor: pointer;
    border-radius: var(--radius-md);
    font-family: var(--font-reading); font-size: 15px; font-weight: 700; letter-spacing: 0.04em;
    transition: background 0.18s ease, color 0.18s ease, transform 0.12s ease, box-shadow 0.2s ease;
}
.nsb-copy-btn:active { transform: scale(0.97); }
.nsb-copy-btn:disabled { opacity: 0.6; pointer-events: none; }
.nsb-copy-ok { background: var(--accent); color: #FCFAF6; box-shadow: var(--shadow-sm); }
.nsb-copy-ok:hover { background: var(--accent-hover); box-shadow: var(--shadow-md); }
.nsb-copy-ok.busy { background: var(--accent-hover); }
.nsb-copy-cancel { background: var(--input-bg); color: var(--text-secondary); }
.nsb-copy-cancel:hover { background: var(--accent-light); color: var(--accent); }

/* ----- 两栏列表（日程内容 / 生效日期） ----- */
.nsb-copy-list {
    flex: 1; min-height: 0;
    display: flex; flex-direction: column;
    border-top: 1px solid var(--border-faint);
    background: var(--surface);
}
.nsb-copy-list-head {
    flex: 0 0 auto; display: flex;
    padding: 12px 16px 8px;
    font-family: var(--font-reading); font-size: 14px; font-weight: 700; letter-spacing: 0.05em; color: var(--text-primary);
}
.nsb-copy-list-head span { flex: 1; text-align: center; }
.nsb-copy-cols { flex: 1; min-height: 0; display: flex; overflow: hidden; }
.nsb-copy-col {
    flex: 1; min-width: 0; overflow-y: auto;
    padding: 4px 12px 14px; scrollbar-width: none;
}
.nsb-copy-col::-webkit-scrollbar { display: none; }
.nsb-copy-col-content { border-right: 1px solid var(--border-faint); }
.nsb-copy-lrow { display: flex; align-items: flex-start; gap: 8px; padding: 8px 4px; }
.nsb-copy-chip {
    flex: 0 0 auto; display: inline-flex; align-items: center; gap: 4px;
    padding: 2px 7px 2px 5px; border-radius: var(--radius-full);
    background: var(--input-bg); font-size: 9.5px; color: var(--text-secondary);
    transform: translateY(2px);
}
.nsb-copy-chip-dot { flex: 0 0 auto; width: 9px; height: 9px; border-radius: 50%; background: var(--c, var(--gold)); }
.nsb-copy-lmain { flex: 1; min-width: 0; }
.nsb-copy-ltitle { display: block; font-size: 12.5px; color: var(--text-primary); line-height: 1.35; }
.nsb-copy-ldur { display: block; font-size: 11px; color: var(--text-secondary); margin-top: 1px; }
.nsb-copy-none { color: var(--text-muted); font-size: 12px; padding: 24px 0; text-align: center; }
.nsb-copy-yr { padding: 8px 4px 3px; font-family: var(--font-reading); font-size: 13px; color: var(--accent); font-weight: 700; }
.nsb-copy-drow { display: flex; align-items: baseline; gap: 6px; padding: 4px 4px; }
.nsb-copy-dmonth { font-size: 12px; color: var(--text-secondary); flex-shrink: 0; }
.nsb-copy-ddays { font-size: 12px; color: var(--text-primary); line-height: 1.5; word-break: break-all; }

/* ===== 窄屏适配 <370px ===== */
@media (max-width: 370px) {
    .nsb-multi-act { padding: 10px 9px; font-size: 13px; height: 44px; }
    .nsb-multi-act-copy, .nsb-multi-act.nsb-multi-copy { padding: 10px 13px; }
    .nsb-multi-box-field.arranged .nsb-piece { width: 70px; }
    .nsb-copy-title { font-size: 15px; }
    .nsb-copy-btn { height: 44px; font-size: 14px; }
}

/* ===== 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
    .nsb-multi-overlay.show, .nsb-copy-overlay.show { animation: none; transition: none; }
    .nsb-copy-card, .nsb-multi-act, .nsb-multi-sort { transition: none; }
    .nsb-multi-piece.selected { transform: none !important; }
}