:root{--font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "SUIT Variable", sans-serif;--bg-page: #F8FAFC;--bg-card: #FFFFFF;--bg-subtle: #F1F5F9;--bg-active: #E2E8F0;--text-main: #0F172A;--text-muted: #64748B;--text-subtle: #94A3B8;--border-color: #E2E8F0;--border-subtle: #F1F5F9;--color-study: #4F46E5;--color-tech: #0284C7;--color-culture: #BE185D;--color-hobby: #059669;--primary: #0F172A;--primary-text: #FFFFFF;--shadow-card: 0 1px 3px rgba(15, 23, 42, .05);--shadow-hover: 0 8px 20px rgba(15, 23, 42, .08);--skeleton-base: #EAEFF5;--skeleton-wave: #F8FAFD;--text-shader-base: 0 0 .35px rgba(15, 23, 42, .28), 0 .15px .35px rgba(15, 23, 42, .08);--text-shader-heading: 0 0 .5px rgba(15, 23, 42, .22), 0 .4px .9px rgba(15, 23, 42, .06);--text-shader-subtle: 0 0 .25px rgba(100, 116, 139, .25);--tab-bar-height: 52px}body.dark-mode{--bg-page: #090D16;--bg-card: #0F172A;--bg-subtle: #1E293B;--bg-active: #334155;--text-main: #F8FAFC;--text-muted: #94A3B8;--text-subtle: #64748B;--border-color: #1E293B;--border-subtle: #151F32;--primary: #F8FAFC;--primary-text: #0F172A;--shadow-card: 0 1px 3px rgba(0, 0, 0, .2);--shadow-hover: 0 8px 20px rgba(0, 0, 0, .4);--skeleton-base: #182234;--skeleton-wave: #243247;--text-shader-base: 0 0 .45px rgba(248, 250, 252, .24), 0 .15px .35px rgba(248, 250, 252, .1);--text-shader-heading: 0 0 .6px rgba(248, 250, 252, .28), 0 .5px 1.2px rgba(248, 250, 252, .12);--text-shader-subtle: 0 0 .35px rgba(148, 163, 184, .22)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}button,input,textarea,select{font-family:inherit;letter-spacing:inherit}html,body{background-color:var(--bg-page);color:var(--text-main);font-family:var(--font-family);font-weight:440;font-variation-settings:"wght" 440;line-height:1.58;letter-spacing:-.022em;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:"cv05","cv08","cv10","ss01","ss02","calt" 1;text-shadow:var(--text-shader-base);overscroll-behavior-y:none;touch-action:manipulation}button,.type-pill,.preset-chip,.tab-btn,.dock-peek-bar,.mixer-channel-card,.channel-slider-wrap,.channel-title-group,.gauge-legend-pill{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}h1,h2,h3,h4,h5,h6,.brand-title,.card-title-text,.dock-title,.article-headline,.article-full-title,.stat-num,.start-gate-title,.onboarding-title,.dock-sheet-title{text-shadow:var(--text-shader-heading);letter-spacing:-.028em}.card-desc-text,.card-meta-channel,.card-meta-date,.start-gate-desc,.onboarding-desc,.summary-points-list li,.text-muted{text-shadow:var(--text-shader-subtle)}.web-container{width:100%;max-width:620px;min-height:100vh;margin:0 auto;background-color:var(--bg-card);border-left:1px solid var(--border-color);border-right:1px solid var(--border-color);display:flex;flex-direction:column;position:relative;transition:background-color .2s ease,border-color .2s ease}@media(max-width:640px){.web-container{border-left:none;border-right:none}}.app-header{position:sticky;top:0;z-index:50;background-color:#ffffffeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);transition:background-color .2s ease,border-color .2s ease}body.dark-mode .app-header{background-color:#0f172aeb}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 18px}.brand{display:flex;align-items:center;gap:10px;cursor:pointer;-webkit-user-select:none;user-select:none}.brand-logo-mark{width:34px;height:34px;border-radius:9px;background-color:#0f172a;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;box-shadow:0 2px 8px #0f172a38;transition:transform .18s cubic-bezier(.16,1,.3,1)}.brand:hover .brand-logo-mark{transform:scale(1.04)}body.dark-mode .brand-logo-mark{background-color:#1e293b;box-shadow:0 2px 10px #00000059}.brand-title{font-size:1.15rem;font-weight:800;letter-spacing:-.03em;color:var(--text-main);line-height:1.1}.brand-badge{font-size:.68rem;font-weight:600;color:var(--text-muted);letter-spacing:.02em}.header-actions{display:flex;align-items:center;gap:6px}.btn-icon{width:36px;height:36px;border-radius:10px;border:1px solid var(--border-color);background-color:var(--bg-card);color:var(--text-main);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s ease}.btn-icon:hover{background-color:var(--bg-subtle)}.btn-icon:active{transform:scale(.95)}.btn-lang-toggle{height:36px;padding:0 10px;border-radius:10px;border:1px solid var(--border-color);background-color:var(--bg-card);color:var(--text-main);display:inline-flex;align-items:center;gap:6px;font-family:inherit;font-size:.78rem;font-weight:750;letter-spacing:.03em;cursor:pointer;transition:all .18s cubic-bezier(.16,1,.3,1);-webkit-user-select:none;user-select:none}.btn-lang-toggle:hover{background-color:var(--bg-subtle);border-color:var(--text-muted)}.btn-lang-toggle:active{transform:scale(.95)}.btn-lang-toggle .lang-globe-icon{color:var(--text-muted);transition:transform .25s ease}.btn-lang-toggle:hover .lang-globe-icon{transform:rotate(25deg);color:var(--primary)}.btn-lang-toggle .lang-badge{display:inline-flex;align-items:center;justify-content:center;padding:2px 5px;border-radius:5px;background-color:var(--bg-subtle);color:var(--text-main);font-weight:800;font-size:.7rem;letter-spacing:.05em;border:1px solid var(--border-color)}.main-content{flex:1;display:flex;flex-direction:column}.tab-view{display:none;flex:1;flex-direction:column;animation:fadeIn .18s ease-out}.tab-view.active{display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.preset-bar-wrap{padding:10px 16px 8px;border-bottom:1px solid var(--border-subtle)}.preset-scroll{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}.preset-scroll::-webkit-scrollbar{display:none}.preset-chip-btn{border:1px solid var(--border-color);background-color:var(--bg-subtle);color:var(--text-muted);font-size:.8rem;font-weight:500;padding:6px 14px;border-radius:8px;white-space:nowrap;cursor:pointer;letter-spacing:-.015em;transition:all .15s ease}.preset-chip-btn:hover{background-color:var(--bg-active);color:var(--text-main)}.preset-chip-btn.active{background-color:var(--primary);color:var(--primary-text);border-color:var(--primary);font-weight:700}.feed-sub-toolbar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid var(--border-subtle)}.type-filter-group{display:flex;background-color:var(--bg-subtle);padding:3px;border-radius:8px;gap:2px}.type-pill{border:none;background:transparent;color:var(--text-muted);font-size:.78rem;font-weight:500;padding:5px 12px;border-radius:6px;cursor:pointer;letter-spacing:-.01em;transition:all .15s ease}.type-pill.active{background-color:var(--bg-card);color:var(--text-main);font-weight:700;box-shadow:0 1px 3px #00000014}.btn-subtle-shuffle{border:1px solid var(--border-color);background-color:var(--bg-card);color:var(--text-muted);font-size:.76rem;font-weight:500;display:flex;align-items:center;gap:5px;padding:5px 11px;border-radius:8px;cursor:pointer;letter-spacing:-.01em;transition:all .15s ease}.btn-subtle-shuffle:hover{background-color:var(--bg-subtle);color:var(--text-main)}.btn-subtle-shuffle:active svg{transform:rotate(180deg);transition:transform .25s ease}.active-ratio-banner{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;background-color:var(--bg-subtle);border-bottom:1px solid var(--border-color);cursor:pointer;font-size:.76rem;transition:background-color .15s ease}.active-ratio-banner:hover{background-color:var(--bg-active)}.ratio-chips-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.ratio-badge-item{display:inline-flex;align-items:center;gap:4px;font-weight:600;color:var(--text-main)}.ratio-badge-dot{width:7px;height:7px;border-radius:50%}.ratio-tune-prompt{display:flex;align-items:center;gap:2px;color:var(--text-muted);font-weight:600;white-space:nowrap}.feed-cards-container{padding:16px;display:flex;flex-direction:column;gap:22px}.content-feed-card{background:transparent;border:none;box-shadow:none;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:8px;transform:translateZ(0);will-change:transform,opacity;backface-visibility:hidden;transition:transform .2s cubic-bezier(.16,1,.3,1);cursor:pointer;animation:feedCardEntrance .38s cubic-bezier(.16,1,.3,1) both}.content-feed-card:nth-child(1){animation-delay:15ms}.content-feed-card:nth-child(2){animation-delay:.03s}.content-feed-card:nth-child(3){animation-delay:45ms}.content-feed-card:nth-child(4){animation-delay:.06s}.content-feed-card:nth-child(5){animation-delay:75ms}.content-feed-card:nth-child(6){animation-delay:.09s}.content-feed-card:nth-child(7){animation-delay:.105s}.content-feed-card:nth-child(8){animation-delay:.12s}.content-feed-card:nth-child(9){animation-delay:.135s}.content-feed-card:nth-child(10){animation-delay:.15s}.content-feed-card:nth-child(11){animation-delay:.165s}.content-feed-card:nth-child(12){animation-delay:.18s}@keyframes feedCardEntrance{0%{opacity:0;transform:translate3d(0,14px,0)}to{opacity:1;transform:translateZ(0)}}.content-feed-card:hover{transform:translate3d(0,-3px,0)}.card-main-box{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;flex:1;transition:box-shadow .2s ease,border-color .2s ease}.content-feed-card:hover .card-main-box{border-color:var(--border-color);box-shadow:var(--shadow-hover)}.card-media-wrap{position:relative;width:100%;aspect-ratio:16 / 9;overflow:hidden;background-color:var(--bg-subtle)}.card-media-img{width:100%;height:100%;object-fit:cover;display:block;transform:translateZ(0);transition:transform .3s cubic-bezier(.16,1,.3,1)}.content-feed-card:hover .card-media-img{transform:scale3d(1.025,1.025,1)}.card-tag-overlay{position:absolute;top:10px;left:10px;background-color:#0f172ac7;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;font-size:.74rem;font-weight:500;padding:4px 9px;border-radius:6px;display:flex;align-items:center;gap:5px;letter-spacing:-.01em}.card-tag-overlay strong{font-weight:700}.card-tag-indicator{width:6px;height:6px;border-radius:50%;flex-shrink:0}.card-duration-overlay{position:absolute;bottom:9px;right:9px;background-color:#000000d1;color:#fff;font-size:.7rem;font-weight:700;padding:3px 6px;border-radius:5px;letter-spacing:.02em}.card-bookmark-btn{position:absolute;top:10px;right:10px;width:32px;height:32px;border-radius:7px;border:none;background-color:#0f172aa6;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .15s ease,background-color .15s ease}.card-bookmark-btn:hover{background-color:#0f172ad9}.card-bookmark-btn.saved{background-color:#0f172a;color:#fbbf24}.card-content-body{padding:14px 16px;display:flex;flex-direction:column;flex:1;background-color:var(--bg-card)}.card-title-text{font-size:1.02rem;font-weight:700;color:var(--text-main);line-height:1.45;margin-bottom:6px;letter-spacing:-.025em;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:keep-all;overflow-wrap:break-word}.card-summary-text{font-size:.84rem;font-weight:400;color:var(--text-muted);line-height:1.58;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:keep-all;overflow-wrap:break-word;margin-bottom:0}.card-detached-footer{padding:8px 14px;background-color:var(--footer-solid-bg, var(--primary));border:1px solid var(--footer-solid-border, var(--primary));border-radius:8px;color:var(--footer-solid-text, #FFFFFF);display:flex;align-items:center;justify-content:flex-start;font-size:.78rem;line-height:1.4;letter-spacing:-.015em;box-shadow:0 2px 8px var(--footer-glow, rgba(0, 0, 0, .08));transition:transform .15s ease,box-shadow .2s ease}.content-feed-card:hover .card-detached-footer{box-shadow:0 4px 14px var(--footer-glow, rgba(0, 0, 0, .16))}body.dark-mode .card-detached-footer{background-color:var(--footer-dark-bg, #3730A3);border-color:var(--footer-dark-border, #4F46E5);color:#fff}.card-footer-source{font-weight:500;display:inline-flex;align-items:center;gap:7px;color:#fff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-footer-source-label{font-size:.68rem;font-weight:750;color:#fff;background-color:#ffffff38;padding:2px 6px;border-radius:4px;letter-spacing:-.01em}body.dark-mode .card-footer-source-label{background-color:#ffffff40}.card-footer-source-name{font-weight:750;color:#fff}.card-footer-sep{opacity:.65;color:#fff}.card-footer-date{font-weight:500;opacity:.88;color:#fff}.card-meta-bar{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:.74rem;color:var(--text-muted);border-top:1px solid var(--border-subtle);padding-top:10px}@keyframes skeletonWave{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton-shimmer{background:linear-gradient(90deg,var(--skeleton-base) 0%,var(--skeleton-base) 20%,var(--skeleton-wave) 50%,var(--skeleton-base) 80%,var(--skeleton-base) 100%);background-size:250% 100%;animation:skeletonWave 1.6s ease-in-out infinite}.skeleton-card{background:transparent;border:none;box-shadow:none;display:flex;flex-direction:column;gap:8px;pointer-events:none;-webkit-user-select:none;user-select:none}.skeleton-main-box{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column}.skeleton-detached-footer{height:36px;border-radius:8px;border:1px solid var(--border-subtle)}.skeleton-card:nth-child(2) .skeleton-shimmer{animation-delay:.15s}.skeleton-card:nth-child(3) .skeleton-shimmer{animation-delay:.3s}.skeleton-media-wrap{position:relative;width:100%;aspect-ratio:16 / 9;background-color:var(--skeleton-base)}.skeleton-badge-overlay{position:absolute;top:10px;left:10px;width:52px;height:20px;border-radius:6px;background-color:#0000000f}body.dark-mode .skeleton-badge-overlay{background-color:#ffffff14}.skeleton-duration-overlay{position:absolute;bottom:9px;right:9px;width:38px;height:18px;border-radius:5px;background-color:#0000000f}body.dark-mode .skeleton-duration-overlay{background-color:#ffffff14}.skeleton-content-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:10px}.skeleton-line{border-radius:5px;display:block}.skeleton-title-1{width:88%;height:19px}.skeleton-title-2{width:60%;height:19px;margin-top:-2px}.skeleton-desc{width:76%;height:13px;margin-top:2px;opacity:.75}.skeleton-meta-row{display:flex;align-items:center;gap:8px;margin-top:4px;padding-top:10px;border-top:1px solid var(--border-subtle)}.skeleton-meta-avatar{width:18px;height:18px;border-radius:50%;flex-shrink:0}.skeleton-meta-text{width:105px;height:12px}.skeleton-meta-date{width:42px;height:12px;margin-left:auto}@keyframes spinRefresh{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.btn-subtle-shuffle.spinning svg{animation:spinRefresh .65s cubic-bezier(.4,0,.2,1)}.empty-feed-placeholder{padding:48px 24px;text-align:center;background-color:var(--bg-subtle);border:1px dashed var(--border-color);border-radius:10px}.empty-feed-title{font-size:1rem;font-weight:700;margin-bottom:6px;color:var(--text-main)}.empty-feed-desc{font-size:.82rem;color:var(--text-muted);margin-bottom:16px;line-height:1.5}.btn-primary-reset{background-color:var(--primary);color:var(--primary-text);border:none;font-size:.82rem;font-weight:600;padding:9px 18px;border-radius:8px;cursor:pointer}.view-header{padding:20px 18px 12px;border-bottom:1px solid var(--border-subtle)}.view-title{font-size:1.25rem;font-weight:800;letter-spacing:-.03em;color:var(--text-main);margin-bottom:4px}.view-subtitle{font-size:.82rem;color:var(--text-muted);line-height:1.45}.mixer-gauge-card{margin:16px 18px;padding:16px;background-color:var(--bg-subtle);border:1px solid var(--border-color);border-radius:10px}.gauge-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.gauge-label{font-size:.8rem;font-weight:700;color:var(--text-main)}.btn-text-action{border:none;background:transparent;color:var(--text-muted);font-size:.76rem;font-weight:600;text-decoration:underline;cursor:pointer}.btn-text-action:hover{color:var(--text-main)}.gauge-stacked-bar{height:10px;background-color:var(--border-color);border-radius:4px;overflow:hidden;display:flex;margin-bottom:12px}.gauge-segment{height:100%;transition:width .48s cubic-bezier(.25,1,.5,1)}.gauge-legend-row{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}@media(max-width:580px){.gauge-legend-row{grid-template-columns:1fr;gap:6px}}.gauge-legend-pill{display:flex;align-items:center;justify-content:space-between;background-color:var(--bg-card);border:1px solid var(--border-color);padding:8px 12px;border-radius:9px;font-size:.78rem;gap:8px;min-width:0;transition:background-color .15s ease,border-color .15s ease}.legend-name-group{display:flex;align-items:center;gap:6px;min-width:0;overflow:hidden}.legend-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.legend-theme-name{font-weight:700;color:var(--text-main);white-space:nowrap;flex-shrink:0}.legend-theme-sep{color:var(--border-color);font-size:.72rem;margin:0 1px;flex-shrink:0}.legend-theme-desc{font-size:.73rem;color:var(--text-muted);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.legend-pct-text{font-weight:800;color:var(--text-main);font-size:.84rem;flex-shrink:0;margin-left:auto}.mixer-sliders-list{padding:0 18px;display:flex;flex-direction:column;gap:14px}.mixer-channel-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:9px;padding:14px 16px;transition:border-color .15s ease}.channel-top-line{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.channel-title-group{display:flex;align-items:center;gap:8px}.channel-color-bar{width:4px;height:18px;border-radius:2px}.channel-name{font-size:.98rem;font-weight:700;color:var(--text-main);line-height:1}.channel-status-pill{font-size:1.15rem;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;background:transparent!important;border:none!important;padding:0!important;display:inline-flex;align-items:baseline;gap:1.5px;white-space:nowrap;line-height:1}.channel-status-pill .pct-num{font-size:1.18rem;font-weight:850;line-height:1}.channel-status-pill .pct-unit{font-size:.84rem;font-weight:700;line-height:1;opacity:.9}.channel-status-pill .is-zero{font-size:1.05rem;font-weight:750;color:var(--text-muted)}.slider-wrap{display:flex;flex-direction:column;gap:8px}.channel-range-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;border-radius:4px;background:var(--bg-subtle);outline:none;cursor:pointer;transition:background .15s ease}.channel-range-input::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--thumb-color, #0F172A);box-shadow:0 2px 6px #0000002e;cursor:grab;transition:transform .1s ease}.channel-range-input::-webkit-slider-thumb:active{transform:scale(1.15);cursor:grabbing}.channel-range-input::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#fff;border:3px solid var(--thumb-color, #0F172A);box-shadow:0 2px 6px #0000002e;cursor:grab}.slider-ticks-row{display:flex;justify-content:space-between;padding:0 2px}.tick-label{font-size:.69rem;color:var(--text-subtle);cursor:pointer;-webkit-user-select:none;user-select:none;transition:color .15s ease,font-weight .15s ease;padding:2px 3px;border-radius:4px}.tick-label:hover{color:var(--text-main)}.tick-label.active{color:var(--text-main);font-weight:700}.mixer-action-wrap{padding:20px 18px 28px}.btn-primary-apply{width:100%;padding:13px;border-radius:8px;border:none;background-color:var(--primary);color:var(--primary-text);font-size:.88rem;font-weight:700;cursor:pointer;transition:opacity .15s ease}.btn-primary-apply:hover{opacity:.92}.stats-card{margin:14px 18px 0;padding:16px;background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:10px}.stats-card-title{font-size:.94rem;font-weight:800;color:var(--text-main);margin-bottom:8px}.stats-text{font-size:.82rem;color:var(--text-muted);line-height:1.5;margin-bottom:10px}.stats-text.subtle{font-size:.76rem;color:var(--text-subtle);margin-bottom:0}.formula-box{background-color:var(--bg-subtle);padding:10px 14px;border-radius:8px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.78rem;color:var(--text-main);margin-bottom:10px;word-break:break-all}.stats-table-wrap{overflow-x:auto}.stats-table{width:100%;border-collapse:collapse;font-size:.8rem;text-align:left}.stats-table th,.stats-table td{padding:8px 6px;border-bottom:1px solid var(--border-subtle)}.stats-table th{color:var(--text-subtle);font-weight:600;font-size:.74rem}.stats-table td{color:var(--text-main)}.dock-peek-bar{position:sticky;bottom:calc(var(--tab-bar-height) + env(safe-area-inset-bottom,0px) - 1px);z-index:45;height:48px;width:100%;background-color:var(--bg-card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--border-color);display:flex;flex-direction:column;justify-content:center;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background-color .2s ease,border-color .2s ease}body.dark-mode .dock-peek-bar{background-color:var(--bg-card)}.dock-top-gauge{height:3px;width:100%;background-color:var(--border-color);display:flex;position:absolute;top:0;left:0}.dock-peek-inner{display:flex;align-items:center;justify-content:space-between;padding:0 16px;height:100%}.dock-peek-left{display:flex;align-items:center;gap:8px;min-width:0}.dock-drag-indicator{display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:transform .25s 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20px);overflow-y:auto;-webkit-overflow-scrolling:touch}@keyframes slideUpMixer{0%{transform:translate(-50%,100%);opacity:.5}to{transform:translate(-50%);opacity:1}}@keyframes slideDownMixer{0%{transform:translate(-50%);opacity:1}to{transform:translate(-50%,100%);opacity:.2}}.dock-mixer-container.expanded .dock-peek-bar{display:none}.dock-mixer-container.expanded .dock-expanded-content{display:block}.dock-expanded-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.dock-expanded-title{font-size:1.15rem;font-weight:800;letter-spacing:-.03em;color:var(--text-main)}.dock-expanded-desc{font-size:.78rem;color:var(--text-muted)}.dock-header-actions{display:flex;align-items:center;gap:6px}.btn-subtle-icon{width:34px;height:34px;border-radius:8px;border:1px solid var(--border-color);background-color:var(--bg-card);color:var(--text-main);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s 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24px;display:flex;flex-direction:column}.sheet-video-title{font-size:1.05rem;font-weight:800;color:var(--text-main);line-height:1.4;margin-bottom:8px;letter-spacing:-.02em}.sheet-channel-row{display:flex;align-items:center;gap:8px;margin-bottom:12px}.sheet-channel-name{font-size:.8rem;font-weight:600;color:var(--text-muted)}.sheet-duration-badge{font-size:.72rem;font-weight:700;color:var(--text-muted);background-color:var(--bg-subtle);padding:2px 7px;border-radius:4px}.sheet-summary-desc{font-size:.84rem;color:var(--text-muted);line-height:1.55;margin-bottom:18px;padding:12px 14px;background-color:var(--bg-subtle);border-radius:10px}.sheet-algo-box{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:9px;gap:10px}.sheet-algo-text strong{display:block;font-size:.78rem;font-weight:700;color:var(--text-main);margin-bottom:2px}.sheet-algo-text 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li{font-size:.82rem;line-height:1.5;color:var(--text-main);position:relative;padding-left:14px;word-break:keep-all}.summary-points-list li:before{content:"•";position:absolute;left:3px;top:0;color:var(--text-muted);font-weight:700}.article-full-content{color:var(--text-main);margin-bottom:28px}.article-section-block{margin-bottom:20px}.article-section-heading{font-size:1.02rem;font-weight:700;color:var(--text-main);margin-bottom:8px;line-height:1.45;letter-spacing:-.015em}.article-section-body{font-size:.92rem;line-height:1.8;color:var(--text-main);word-break:keep-all;letter-spacing:-.01em}.article-bottom-section{display:flex;flex-direction:column;gap:14px;padding-top:10px;border-top:1px solid var(--border-color)}.article-footer-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px}.btn-secondary-link{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px;border-radius:8px;border:1px solid var(--border-color);background-color:var(--bg-card);color:var(--text-main);font-size:.86rem;font-weight:700;text-decoration:none;transition:all .15s ease}.btn-secondary-link:hover{background-color:var(--bg-subtle)}@media(max-width:440px){.article-footer-buttons{grid-template-columns:1fr}}.article-ext-notice{font-size:.72rem;color:var(--text-subtle);margin-top:10px;line-height:1.45;text-align:center;word-break:keep-all}.summary-points-list li.article-recom-box:before{display:none}.article-recom-box{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;padding:10px 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cubic-bezier(.16,1,.3,1) .08s forwards}.cube-culture{animation:cubeMagneticBL .38s cubic-bezier(.16,1,.3,1) .12s forwards}.cube-hobby{animation:cubeMagneticBR .38s cubic-bezier(.16,1,.3,1) .16s forwards}.splash-wordmark{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;opacity:0;transform:translateY(8px);animation:splashTextRise .35s cubic-bezier(.16,1,.3,1) .24s forwards}@keyframes cubeMagneticTL{0%{opacity:0;transform:translate(-14px,-14px) scale(.35)}70%{opacity:1;transform:translate(1px,1px) scale(1.05)}to{opacity:1;transform:translate(0) scale(1)}}@keyframes cubeMagneticTR{0%{opacity:0;transform:translate(14px,-14px) scale(.35)}70%{opacity:1;transform:translate(-1px,1px) scale(1.05)}to{opacity:1;transform:translate(0) scale(1)}}@keyframes cubeMagneticBL{0%{opacity:0;transform:translate(-14px,14px) scale(.35)}70%{opacity:1;transform:translate(1px,-1px) scale(1.05)}to{opacity:1;transform:translate(0) scale(1)}}@keyframes cubeMagneticBR{0%{opacity:0;transform:translate(14px,14px) scale(.35)}70%{opacity:1;transform:translate(-1px,-1px) scale(1.05)}to{opacity:1;transform:translate(0) scale(1)}}@keyframes splashSymbolElastic{0%{transform:scale(.85);opacity:.5}60%{transform:scale(1.04);opacity:1}to{transform:scale(1);opacity:1}}@keyframes splashTextRise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.intro-splash-overlay{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;width:100dvw;height:100vh;height:100dvh;z-index:99999;background-color:#fff!important;display:flex;align-items:center;justify-content:center;transition:opacity .3s ease,visibility .3s ease;overflow:hidden;margin:0;padding:0}.intro-splash-overlay.hidden{opacity:0;visibility:hidden;pointer-events:none}.intro-start-gate{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;animation:gateMinimalFade .4s ease;transition:opacity .25s 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ease}.btn-coachmark-next:hover{opacity:.9}@keyframes coachCardSlide{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.custom-card-count-pill{font-size:.72rem;font-weight:700;color:var(--study-text);background-color:var(--study-bg);border:1px solid var(--study-border);padding:3px 9px;border-radius:6px;white-space:nowrap}.add-card-form{display:flex;flex-direction:column;gap:12px;margin-top:8px}.add-card-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.add-card-field{display:flex;flex-direction:column;gap:5px}.add-card-field label{font-size:.76rem;font-weight:700;color:var(--text-main);letter-spacing:-.01em}.add-card-field input,.add-card-field select{width:100%;padding:10px 12px;font-family:inherit;font-size:.84rem;font-weight:400;color:var(--text-main);background-color:var(--bg-subtle);border:1px solid var(--border-color);border-radius:8px;outline:none;transition:border-color .15s ease,background-color .15s ease}.add-card-field 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var(--border-subtle)}.ios-install-title{font-size:1.05rem;font-weight:800;color:var(--text-main);letter-spacing:-.02em}.ios-install-desc{font-size:.8rem;color:var(--text-muted);margin-top:2px}.ios-install-steps{display:flex;flex-direction:column;gap:12px;background:var(--bg-subtle);border-radius:12px;padding:14px;margin-bottom:18px}.ios-step-item{display:flex;align-items:center;gap:12px}.ios-step-badge{width:22px;height:22px;border-radius:50%;background:var(--primary);color:var(--primary-text);font-size:.75rem;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}.ios-step-text{font-size:.85rem;color:var(--text-main);display:flex;align-items:center;gap:4px;flex-wrap:wrap}.ios-inline-icon{display:inline-block;vertical-align:middle;color:#007aff}.btn-ios-done{width:100%;padding:13px;background:var(--primary);color:var(--primary-text);border:none;border-radius:12px;font-size:.95rem;font-weight:700;cursor:pointer;transition:opacity .15s ease}.btn-ios-done:active{opacity:.85}.btn-auth-entry{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;height:32px;border-radius:9999px;background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-main);font-size:13px;font-weight:600;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease;box-shadow:0 1px 2px #0f172a0a}.btn-auth-entry:hover{background:var(--bg-subtle);border-color:var(--text-subtle)}.btn-auth-entry.logged-in{padding:3px 10px 3px 4px;border-color:#10b98166;background:#10b9810f}.auth-avatar-wrap{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;overflow:hidden;background:var(--bg-subtle);color:var(--text-muted)}.auth-avatar-img{width:100%;height:100%;object-fit:cover}.auth-btn-label{font-size:12.5px;letter-spacing:-.2px}.auth-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:20px;transition:opacity .2s ease,visibility .2s ease}.auth-overlay.hidden{opacity:0;visibility:hidden;pointer-events:none}.auth-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#0f172a66;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.auth-card{position:relative;width:100%;max-width:360px;background:var(--bg-card);border-radius:20px;padding:36px 28px 28px;box-shadow:0 20px 45px -10px #0f172a29,0 0 0 1px #0f172a0d;animation:authCardPop .25s cubic-bezier(.16,1,.3,1) forwards;text-align:center}@keyframes authCardPop{0%{opacity:0;transform:scale(.96) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.btn-auth-close-x{position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:50%;border:none;background:transparent;color:var(--text-subtle);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .15s ease,color .15s ease}.btn-auth-close-x:hover{background:var(--bg-subtle);color:var(--text-main)}.auth-brand-header{margin-bottom:26px}.auth-logo-symbol{display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px}.auth-title{font-size:1.45rem;font-weight:800;color:var(--text-main);letter-spacing:-.5px;margin:0 0 6px}.auth-subtitle{font-size:.88rem;color:var(--text-muted);margin:0;line-height:1.4;letter-spacing:-.2px}.auth-action-area{display:flex;flex-direction:column;align-items:center;gap:16px}.btn-google-login{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:48px;background:#fff;border:1px solid #CBD5E1;border-radius:12px;font-size:14.5px;font-weight:600;color:#1e293b;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease;box-shadow:0 1px 3px #0000000a}.btn-google-login:hover{background:#f8fafc;border-color:#94a3b8}.btn-auth-skip-link{background:transparent;border:none;color:var(--text-muted);font-size:13px;font-weight:500;cursor:pointer;padding:6px 12px;border-radius:8px;transition:color .15s ease;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--border-color)}.btn-auth-skip-link:hover{color:var(--text-main);text-decoration-color:var(--text-main)}.auth-profile-avatar{width:60px;height:60px;border-radius:50%;object-fit:cover;margin-bottom:12px;box-shadow:0 4px 12px #00000014}.auth-profile-name{font-size:1.15rem;font-weight:700;color:var(--text-main);margin:0 0 3px}.auth-profile-email{font-size:.86rem;color:var(--text-muted);margin:0}.btn-auth-logout{width:100%;height:44px;border:1px solid var(--border-color);background:var(--bg-card);color:#ef4444;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .15s ease,border-color .15s ease}.btn-auth-logout:hover{background:#ef44440f;border-color:#ef4444}.auth-stats-card{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:14px 18px 0;padding:16px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;box-sizing:border-box}.auth-stats-card.connected{border-color:#10b98159;background:#10b9810a}.auth-stats-left{display:flex;align-items:center;gap:12px;min-width:0;flex:1}.auth-stats-icon-wrap{width:36px;height:36px;border-radius:10px;background:var(--bg-subtle);color:var(--text-muted);display:flex;align-items:center;justify-content:center;flex-shrink:0}.auth-stats-card.connected .auth-stats-icon-wrap{background:#10b9811f;color:#10b981}.auth-stats-text{min-width:0;overflow:hidden}.auth-stats-title{font-size:13.5px;font-weight:700;color:var(--text-main);margin:0 0 2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.auth-stats-desc{font-size:12px;color:var(--text-muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.btn-auth-stats-action{padding:7px 12px;background:var(--primary);color:var(--primary-text);border:1px solid transparent;border-radius:8px;font-size:12.5px;font-weight:600;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:opacity .15s ease,background-color .15s ease,border-color .15s ease}.btn-auth-stats-action:hover{opacity:.9}.btn-auth-stats-action.secondary{background:var(--bg-card);color:var(--text-main);border:1px solid var(--border-color)}.btn-auth-stats-action.secondary:hover{background:var(--bg-subtle);border-color:var(--text-subtle)}.hidden{display:none!important}body.dark-mode .btn-google-login{background:#1e293b;border-color:#334155;color:#f8fafc}body.dark-mode .btn-google-login:hover{background:#334155;border-color:#475569}body.dark-mode .auth-card{box-shadow:0 20px 45px -10px #00000080,0 0 0 1px #ffffff14}.infinite-scroll-sentinel{width:100%;padding-top:8px;padding-bottom:96px;position:relative;overflow:visible;display:flex;flex-direction:column;align-items:center;justify-content:center;touch-action:pan-y}.infinite-elastic-container{width:100%;max-width:480px;margin:0 auto;max-height:0;opacity:0;transform:translateY(16px) scale(.92);transform-origin:center bottom;overflow:hidden;transition:max-height .45s cubic-bezier(.34,1.45,.64,1),opacity .28s ease,transform .45s cubic-bezier(.34,1.45,.64,1),margin .35s ease;display:flex;justify-content:center;align-items:center;pointer-events:none}.infinite-elastic-container.pulling{transition:none;opacity:1;pointer-events:auto}.infinite-elastic-container.active{max-height:120px;opacity:1;transform:translateY(0) scale(1);margin-top:12px;margin-bottom:24px;pointer-events:auto}.infinite-loader-content{display:inline-flex;align-items:center;gap:14px;padding:12px 22px;background:#fffffff0;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(226,232,240,.85);border-radius:9999px;box-shadow:0 10px 25px -4px #0f172a14,0 4px 10px -2px #0f172a0a;transition:transform .2s cubic-bezier(.16,1,.3,1),box-shadow .2s ease}body.dark-mode .infinite-loader-content{background:#1e293beb;border-color:#334155d9;box-shadow:0 10px 25px -4px #00000059}.infinite-loader-visual{position:relative;display:flex;align-items:center;justify-content:center;width:44px;height:28px}.infinite-spinner-track{display:flex;align-items:center;gap:5px;z-index:2}.infinite-dot{width:7.5px;height:7.5px;border-radius:50%;animation:infiniteDotWave 1.1s cubic-bezier(.45,.05,.55,.95) infinite alternate}.infinite-dot.dot-study{background-color:var(--color-study, #4F46E5);animation-delay:0s}.infinite-dot.dot-tech{background-color:var(--color-tech, #0284C7);animation-delay:.16s}.infinite-dot.dot-culture{background-color:var(--color-culture, #BE185D);animation-delay:.32s}.infinite-dot.dot-hobby{background-color:var(--color-hobby, #059669);animation-delay:.48s}@keyframes infiniteDotWave{0%{transform:translateY(4px) scale(.85);opacity:.45}50%{transform:translateY(-6px) scale(1.3);opacity:1;filter:drop-shadow(0 2px 4px currentColor)}to{transform:translateY(4px) scale(.85);opacity:.45}}.infinite-pulse-ring{position:absolute;top:-4px;right:-4px;bottom:-4px;left:-4px;border-radius:9999px;border:1.5px solid rgba(79,70,229,.4);opacity:0;animation:infiniteRingPulse 1.8s cubic-bezier(.16,1,.3,1) infinite;pointer-events:none}@keyframes infiniteRingPulse{0%{transform:scale(.7);opacity:.7}to{transform:scale(1.45);opacity:0}}.infinite-loader-text-wrap{display:flex;flex-direction:column;text-align:left}.infinite-loader-title{font-size:.84rem;font-weight:750;color:var(--text-main, #0F172A);letter-spacing:-.015em;line-height:1.35}.infinite-loader-sub{font-size:.72rem;font-weight:600;color:var(--text-muted, #94A3B8);letter-spacing:-.01em;line-height:1.3}body.dark-mode .infinite-loader-title{color:#f8fafc}body.dark-mode .infinite-loader-sub{color:#94a3b8}.content-feed-card.infinite-entrance{animation:infiniteCardEntrance .52s cubic-bezier(.16,1,.3,1) both;animation-delay:calc(var(--stagger-idx, 0) * 55ms)}@keyframes infiniteCardEntrance{0%{opacity:0;transform:translate3d(0,36px,0) scale(.96)}60%{opacity:.9}to{opacity:1;transform:translateZ(0) scale(1)}}