*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
body{width:100vw;height:100vh;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans SC",sans-serif;user-select:none;background:#0a0a0f}

/* ── CSS Custom Properties (set dynamically by JS) ── */
:root{--sb-width:520px;--sb-height:48px;--sb-pad:24px;--sb-radius:50px;--sb-bg:rgba(255,255,255,.10);--sb-bg-hover:rgba(255,255,255,.14);--sb-font-size:16px;--sb-input-opacity:.92;--clk-color:#fff;--clk-opacity:1}

/* ── Background ── */
#bg-layer{position:fixed;inset:0;z-index:0;overflow:hidden;transition:background-image .5s ease}
#bg-layer::before{content:'';position:absolute;width:300%;height:300%;top:-100%;left:-100%;background:linear-gradient(135deg,#0f0c29,#302b63,#24243e,#302b63,#0f0c29);animation:gradientFlow 12s ease infinite;will-change:transform}
#bg-layer.uploaded::before{display:none}
#bg-layer.uploaded{background-size:cover;background-position:center;background-repeat:no-repeat}
@keyframes gradientFlow{0%{transform:translate(0,0)}50%{transform:translate(-33.33%,-33.33%)}100%{transform:translate(0,0)}}

/* ── Search Bar ── */
#search-bar{position:fixed;z-index:5;background:var(--sb-bg);border:1px solid rgba(255,255,255,.12);border-radius:var(--sb-radius);width:var(--sb-width);height:var(--sb-height);padding:0 var(--sb-pad);box-shadow:0 4px 30px rgba(0,0,0,.2);transition:box-shadow .35s ease,background .35s ease;display:block}
#search-bar:hover{box-shadow:0 8px 40px rgba(0,0,0,.4);background:var(--sb-bg-hover)}
#search-bar.hidden{display:none}
#search-input{display:block;width:100%;background:transparent;border:none;outline:none;color:rgba(255,255,255,.96);padding:0;font-family:inherit;font-weight:500;letter-spacing:.01em;text-shadow:0 0 2px rgba(0,0,0,.9),0 1px 2px rgba(0,0,0,.75),0 0 7px rgba(0,0,0,.5);-webkit-text-stroke:.6px rgba(0,0,0,.45);caret-color:rgba(255,255,255,.85);font-size:var(--sb-font-size);line-height:var(--sb-height);opacity:var(--sb-input-opacity);transition:opacity .35s ease}
#search-bar:hover #search-input,#search-input:focus{opacity:1}

/* ── Drag Button ── */
.drag-btn{touch-action:none;position:absolute;left:50%;bottom:-30px;transform:translateX(-50%);width:18px;height:18px;border-radius:50%;border:none;cursor:grab;opacity:1!important;z-index:1;transition:background .25s ease;background:rgba(255,255,255,.2)}
.drag-btn:hover{background:rgba(255,255,255,.6)!important}.drag-btn:active{cursor:grabbing}

/* ── Clock ── */
#clock{position:fixed;z-index:4;font-weight:300;letter-spacing:1px;font-variant-numeric:tabular-nums;display:none}
#clock.show{display:block}
#clock .clock-inner{line-height:1;pointer-events:none;opacity:var(--clk-opacity);color:var(--clk-color)}

/* ── Gear ── */
#gear-btn{position:fixed;top:24px;right:24px;z-index:20;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.06);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.08);color:rgba(255,255,255,.6);font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:.15;transition:opacity .35s ease,background .3s ease}
#gear-btn:hover{opacity:1;background:rgba(255,255,255,.12)}

/* ── Settings Panel ── */
#settings-panel{position:fixed;top:0;right:0;z-index:15;width:320px;height:100vh;background:rgba(18,16,36,.82);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-left:1px solid rgba(255,255,255,.08);padding:64px 20px 20px;transform:translateX(100%);transition:transform .35s cubic-bezier(.22,1,.36,1);overflow-y:auto;display:flex;flex-direction:column;gap:2px}
#settings-panel.open{transform:translateX(0)}
#panel-overlay{position:fixed;inset:0;z-index:14;background:transparent;display:none}
#panel-overlay.show{display:block}
.panel-title{color:rgba(255,255,255,.30);font-size:11px;font-weight:500;letter-spacing:2px;text-transform:uppercase;margin-bottom:8px}
select{width:100%;background:rgba(255,255,255,.05);color:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.08);padding:9px 14px;border-radius:10px;font-size:13px;cursor:pointer;font-family:inherit;outline:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='rgba(255,255,255,.35)' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
select option{background:#1a1a2e;color:#eee}
.collapse-section{border-top:1px solid rgba(255,255,255,.05);padding:2px 0}
.collapse-header{display:flex;align-items:center;gap:8px;padding:10px 0;cursor:pointer;color:rgba(255,255,255,.45);font-size:12px;font-weight:500;letter-spacing:1px;transition:color .2s}
.collapse-header:hover{color:rgba(255,255,255,.65)}
.collapse-header .arrow{display:inline-block;transition:transform .25s ease;font-size:10px}
.collapse-header .arrow.open{transform:rotate(90deg)}
.collapse-body{overflow:hidden;max-height:800px;transition:max-height .3s ease,opacity .2s ease;opacity:1}
.collapse-body.closed{max-height:0!important;opacity:0;padding:0}
.setting-row{display:flex;flex-direction:column;gap:3px;padding:6px 0 6px 4px}
.setting-row:last-child{padding-bottom:8px}
.setting-row .row-header{display:flex;justify-content:space-between;align-items:center}
.setting-row .row-header label{color:rgba(255,255,255,.45);font-size:12px}
.setting-row .row-header .val{color:rgba(255,255,255,.30);font-size:11px;font-variant-numeric:tabular-nums;min-width:36px;text-align:right}
.setting-row input[type="range"]{width:100%;height:3px;-webkit-appearance:none;appearance:none;background:rgba(255,255,255,.10);border-radius:2px;outline:none;cursor:pointer;margin:3px 0}
.setting-row input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.30);cursor:pointer;transition:background .2s}
.setting-row input[type="range"]::-webkit-slider-thumb:hover{background:rgba(255,255,255,.45)}
.setting-row input[type="range"]::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.30);cursor:pointer;border:none}
.toggle-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0 8px 4px}
.toggle-row label{color:rgba(255,255,255,.45);font-size:12px}
.toggle-switch{position:relative;width:36px;height:20px;cursor:pointer;flex-shrink:0}
.toggle-switch input{opacity:0;width:0;height:0}
.toggle-slider{position:absolute;inset:0;background:rgba(255,255,255,.10);border-radius:10px;transition:background .25s}
.toggle-slider::before{content:'';position:absolute;width:16px;height:16px;left:2px;bottom:2px;background:rgba(255,255,255,.4);border-radius:50%;transition:transform .25s,background .25s}
.toggle-switch input:checked+.toggle-slider{background:rgba(120,140,255,.4)}
.toggle-switch input:checked+.toggle-slider::before{transform:translateX(16px);background:rgba(180,190,255,.8)}
.btn{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);color:rgba(255,255,255,.45);padding:8px 14px;border-radius:10px;font-size:12px;cursor:pointer;font-family:inherit;transition:background .2s,color .2s;text-align:center}
.btn:hover{background:rgba(255,255,255,.10);color:#fff}
.btn input[type="file"]{display:none}
.sep{height:1px;background:rgba(255,255,255,.05);margin:4px 0}
.btn-group{display:flex;flex-direction:column;gap:5px;padding:4px 0}
.sec-label{color:rgba(255,255,255,.45);font-size:12px;font-weight:500;letter-spacing:1px;margin:10px 0 4px 0}
.bg-list{display:flex;flex-direction:column;gap:4px;padding:4px 0;max-height:180px;overflow-y:auto}
.bg-item{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:8px;background:rgba(255,255,255,.03);border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s}
.bg-item:hover{background:rgba(255,255,255,.06)}
.bg-item.active{border-color:rgba(120,140,255,.3);background:rgba(120,140,255,.08)}
.bg-item .bg-thumb{width:32px;height:24px;border-radius:4px;background-size:cover;background-position:center;flex-shrink:0;border:1px solid rgba(255,255,255,.06)}
.bg-item .bg-thumb.vt{background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.3)}
.bg-item .bg-name{flex:1;color:rgba(255,255,255,.4);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bg-item .bg-del{background:none;border:none;color:rgba(255,255,255,.2);font-size:14px;cursor:pointer;padding:2px 4px;border-radius:4px;transition:color .2s,background .2s}
.bg-item .bg-del:hover{color:rgba(255,80,80,.6);background:rgba(255,80,80,.08)}
.bg-empty{color:rgba(255,255,255,.15);font-size:12px;text-align:center;padding:12px 0}
.tpl-save-row{display:flex;gap:6px;padding:4px 0}
.tpl-save-row input{flex:1;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);color:rgba(255,255,255,.6);padding:8px 12px;border-radius:8px;font-size:12px;font-family:inherit;outline:none}
.tpl-save-row input:focus{border-color:rgba(255,255,255,.2)}
.tpl-save-row button{white-space:nowrap;padding:8px 12px;font-size:12px}
.tpl-list{display:flex;flex-direction:column;gap:3px;padding:2px 0;max-height:200px;overflow-y:auto}
.tpl-item{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;border-radius:8px;background:rgba(255,255,255,.03);border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s}
.tpl-item:hover{background:rgba(255,255,255,.06)}
.tpl-item .tpl-name{color:rgba(255,255,255,.5);font-size:12px}
.tpl-item .tpl-del{background:none;border:none;color:rgba(255,255,255,.2);font-size:13px;cursor:pointer;padding:2px 6px;border-radius:4px;transition:color .2s,background .2s}
.tpl-item .tpl-del:hover{color:rgba(255,80,80,.6);background:rgba(255,80,80,.08)}
.tpl-empty{color:rgba(255,255,255,.15);font-size:12px;text-align:center;padding:10px 0}
#hint{position:fixed;bottom:40px;left:50%;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.08);font-size:12px;letter-spacing:.5px;opacity:0;transition:opacity .5s;pointer-events:none}
#hint.show{opacity:1}
#settings-panel::-webkit-scrollbar{width:4px}
#settings-panel::-webkit-scrollbar-track{background:transparent}
#settings-panel::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:2px}
#settings-panel::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2)}
@media(max-width:600px){#settings-panel{width:100vw}}

.dragging{will-change:transform}

/* 拖拽把手自适应：贴底时翻到上方，空间不足时收进组件内 */
.handle-top .drag-btn{bottom:auto;top:-30px}
.handle-in .drag-btn{bottom:6px}
.dragging .drag-btn{opacity:1!important}

#search-bar,#clock{transform-origin:0 0}

#snap-guide{position:fixed;top:0;left:50%;width:1px;height:100%;background:rgba(126,178,255,.55);opacity:0;pointer-events:none;transition:opacity .12s;z-index:60}
#snap-guide.on{opacity:1}

.reset-one{margin-left:6px;width:18px;height:18px;line-height:16px;text-align:center;border-radius:50%;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);color:#8fa4c0;font-size:11px;cursor:pointer;padding:0}
.reset-one:hover{opacity:1;color:#cfe0ff;transform:rotate(-40deg)}
.reset-one svg{width:11px;height:11px}

.lab-wrap{display:inline-flex;align-items:center;gap:0}
.reset-one{display:inline-flex;align-items:center;justify-content:center;width:13px;height:13px;line-height:1;vertical-align:middle;border:0;background:transparent;color:#9fb2ca;font-size:9px;cursor:pointer;padding:0;margin-left:5px;opacity:.7;transition:opacity .15s,transform .15s}
.reset-one:hover{background:rgba(126,178,255,.18);border-color:rgba(126,178,255,.5);color:#cfe0ff}
.hint-i{position:relative;display:inline-flex;align-items:center;justify-content:center;width:13px;height:13px;border:1px solid rgba(255,255,255,.35);border-radius:50%;font-size:9px;line-height:1;color:#9fb2ca;cursor:help;margin-left:5px}
.hint-i:hover::after{content:attr(data-tip);position:absolute;left:50%;bottom:150%;transform:translateX(-50%);width:170px;white-space:normal;text-align:center;background:rgba(16,20,30,.97);border:1px solid rgba(255,255,255,.14);color:#cfdcef;font-size:11px;line-height:1.5;padding:6px 8px;border-radius:7px;z-index:99}

#reset-search svg,#reset-clock svg,#reset-bg svg{width:12px;height:12px;vertical-align:-2px;margin-right:5px}

.btn svg{width:12px;height:12px;vertical-align:-2px;margin-right:5px}

#gear-btn svg{width:18px;height:18px;display:block}