:root{--highlight-amber:#F59E0B;--highlight-amber-rgb:245,158,11;--highlight-emerald:#10B981;--highlight-emerald-rgb:16,185,129;--highlight-azure:#3B82F6;--highlight-azure-rgb:59,130,246;--highlight-rose:#F43F5E;--highlight-rose-rgb:244,63,94;--highlight-violet:#8B5CF6;--highlight-violet-rgb:139,92,246;--highlight-coral:#FB7185;--highlight-coral-rgb:251,113,133;--opacity-whisper:0.15;--opacity-soft:0.25;--opacity-medium:0.40;--opacity-strong:0.60;--opacity-intense:0.80}.highlight-container{position:relative;isolation:isolate;contain:layout style paint}mark[data-highlight-id]{position:relative;background-color:rgba(var(--highlight-color-rgb),var(--highlight-opacity,.3));mix-blend-mode:normal;transition:all .3s cubic-bezier(.4,0,.2,1);border-radius:2px;padding:0 2px;margin:0 -2px;cursor:pointer;will-change:transform,opacity,filter;transform:translateZ(0);backface-visibility:hidden}mark[data-overlap-count="1"]{--highlight-opacity:0.15}mark[data-overlap-count="2"]{--highlight-opacity:0.20;filter:saturate(1.1)}mark[data-overlap-count="3"]{--highlight-opacity:0.25;filter:saturate(1.2);box-shadow:0 0 0 .5px rgba(0,0,0,.05)}mark[data-overlap-count="4"]{--highlight-opacity:0.30;filter:saturate(1.3);box-shadow:0 0 0 1px rgba(0,0,0,.08)}mark[data-overlap-count="5"]{--highlight-opacity:0.35;filter:saturate(1.4);box-shadow:0 0 0 1.5px rgba(0,0,0,.1)}mark[data-highlight-id]:hover{filter:brightness(1.1) saturate(1.2);transform:scale(1.02) translateZ(0);box-shadow:0 2px 8px rgba(var(--highlight-color-rgb),.3),0 0 0 2px rgba(var(--highlight-color-rgb),.1);z-index:10}mark[data-highlight-id]:after{content:attr(data-user-name);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(4px);background:rgba(17,24,39,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:white;padding:6px 12px;border-radius:6px;font-size:11px;font-weight:500;white-space:nowrap;opacity:0;pointer-events:none;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 6px -1px rgba(0,0,0,.1)}mark[data-highlight-id]:hover:after{opacity:1;transform:translateX(-50%) translateY(0)}@keyframes highlight-paint{0%{background-size:0 100%;opacity:0;transform:scaleX(.95)}50%{opacity:1}to{background-size:100% 100%;transform:scaleX(1)}}.highlight-animated{animation:highlight-paint .6s cubic-bezier(.34,1.56,.64,1) forwards;background-color:rgba(var(--highlight-color-rgb),var(--highlight-opacity,.3));background-size:100% 100%;background-repeat:no-repeat}.highlight-popover{background:rgba(255,255,255,.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(0,0,0,.08);box-shadow:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04),0 0 0 1px rgba(0,0,0,.05);animation:popover-enter .2s cubic-bezier(.4,0,.2,1)}@keyframes popover-enter{0%{opacity:0;transform:translateX(-50%) scale(.95) translateY(4px)}to{opacity:1;transform:translateX(-50%) scale(1) translateY(0)}}.color-picker-container{display:flex;gap:12px;padding:8px;background:linear-gradient(90deg,rgba(249,250,251,.8),rgba(255,255,255,.9));border-radius:12px;position:relative}.color-picker-button{position:relative;width:40px;height:40px;border-radius:10px;border:2px solid transparent;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 4px rgba(0,0,0,.1)}.color-picker-button:hover{transform:translateY(-4px) scale(1.1);box-shadow:0 8px 16px rgba(0,0,0,.15)}.color-picker-button:active{transform:translateY(-2px) scale(1.05)}.color-picker-button.selected{border-color:rgba(17,24,39,.8);box-shadow:0 0 0 3px rgba(255,255,255,1),0 0 0 5px rgba(17,24,39,.2)}.color-tooltip{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%);background:rgba(17,24,39,.95);color:white;padding:8px 12px;border-radius:8px;font-size:12px;white-space:nowrap;opacity:0;pointer-events:none;transition:all .2s ease}.color-picker-button:hover .color-tooltip{opacity:1;transform:translateX(-50%) translateY(-4px)}.color-tooltip-arrow{position:absolute;bottom:-4px;left:50%;transform:translateX(-50%) rotate(45deg);width:8px;height:8px;background:rgba(17,24,39,.95)}.highlight-text-preview{margin-bottom:16px;padding:12px;background:linear-gradient(135deg,rgba(249,250,251,.8),rgba(243,244,246,.6));border-radius:10px;font-size:14px;line-height:1.6;color:rgba(55,65,81,.9);max-height:96px;overflow-y:auto;border:1px solid rgba(229,231,235,.5);font-family:Georgia,serif;font-style:italic}.highlight-text-preview::-webkit-scrollbar{width:6px}.highlight-text-preview::-webkit-scrollbar-track{background:rgba(229,231,235,.3);border-radius:3px}.highlight-text-preview::-webkit-scrollbar-thumb{background:rgba(156,163,175,.5);border-radius:3px}.highlight-text-preview::-webkit-scrollbar-thumb:hover{background:rgba(107,114,128,.6)}.highlight-action-button{padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.highlight-action-button:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.1)}.highlight-action-button:active{transform:translateY(0);box-shadow:0 2px 4px rgba(0,0,0,.1)}.privacy-toggle{display:flex;align-items:center;gap:8px;padding:8px 12px;background:rgba(249,250,251,.8);border-radius:8px;transition:all .2s ease}.privacy-toggle:hover{background:rgba(243,244,246,.9)}@media (max-width:640px){.highlight-popover{min-width:260px;padding:12px}.color-picker-button{width:36px;height:36px}.color-picker-container{gap:8px}}