.live-section{background:#fff}.live-tools{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:24px 0}.live-tools input{flex:1;min-width:200px;margin:0}.live-tools select{width:auto;max-width:280px;margin:0}.quiet-button{border:1px solid #d5e2ef;border-radius:8px;padding:10px 15px;color:#234979;background:white;font-size:12px;font-weight:700;cursor:pointer}.quiet-button:hover{background:#edf4ff}.live-status{font-size:12px;color:#5e7487;line-height:1.7}.live-badge{display:inline-block;padding:4px 10px;border-radius:30px;background:#e6f5ed;color:#18764c;font-size:10px;font-weight:700}.live-badge.pending{background:#fff2d6;color:#92611b}.live-badge.empty{background:#edf1f7;color:#647a91}.podium{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.podium-card{background:linear-gradient(130deg,#f1f6ff,#fff);border:1px solid #d5e2f3;border-top:4px solid #5886d2;padding:23px;border-radius:12px;cursor:pointer}.podium-card:first-child{border-top-color:#efb83e;background:linear-gradient(130deg,#fff9e9,#fff)}.podium-card b{display:block;font-size:16px;margin:8px 0}.podium-card .rank-no{color:#6280a3;font-size:11px}.podium-card strong{font-size:28px;color:#225fc0}.rank-table{overflow:auto;border:1px solid #dae5f4;border-radius:12px}.rank-table table{min-width:980px}.rank-table td:last-child{white-space:nowrap}.rank-table th,.rank-table td{padding:14px 12px;font-size:12px}.rank-table tbody tr{cursor:pointer}.rank-table tbody tr:hover{background:#f1f6ff}.rank-table .class-name{font-weight:700;color:#183b6c;min-width:220px}.stack-bar{display:flex;width:120px;height:7px;overflow:hidden;border-radius:5px;background:#edf1f5;margin-top:8px}.stack-bar span{height:100%}.rank-change{font-size:10px;font-weight:600;color:#208367}.rank-change.down{color:#bd5f31}.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:11px;color:#698096;margin-top:15px}.legend i{width:8px;height:8px;border-radius:3px;display:inline-block;margin-right:5px}.empty-state{padding:32px;border:1px dashed #c4d4e8;background:#f6f9fe;border-radius:12px;margin-top:20px;color:#60788e;font-size:13px}.notice-live{background:#edf4ff;border-left:3px solid #2d66c4;padding:18px 22px;margin:20px 0;white-space:pre-wrap}.error-line{background:#fff0ed;color:#a13926;border-radius:8px;padding:12px;font-size:12px}.modal{border:0;border-radius:16px;padding:0;width:min(850px,94vw);max-height:90vh;box-shadow:0 20px 80px #102b6540;color:#183553}.modal::backdrop{background:#10233c80;backdrop-filter:blur(4px)}.modal-head{padding:25px 28px;border-bottom:1px solid #e2e9f2;display:flex;gap:20px;justify-content:space-between;align-items:start}.modal-head h2{font-size:24px;margin:5px 0}.modal-body{padding:25px 28px}.class-summary{display:flex;gap:15px;flex-wrap:wrap;margin-bottom:20px}.class-summary>div{background:#edf4ff;border-radius:10px;padding:15px 20px;flex:1}.class-summary strong{display:block;font-size:24px}.category-detail{border:1px solid #dae6f5;border-radius:10px;margin:12px 0;padding:18px}.category-detail h3{font-size:15px;margin:0 0 8px;display:flex;justify-content:space-between;gap:15px}.category-detail p{font-size:12px;color:#5f778b;margin:5px 0;white-space:pre-wrap}.deadline-line{font-size:11px;color:#597595}.modal-close{border:0;background:#edf2f9;border-radius:8px;padding:7px 12px;color:#284872;font-size:18px;cursor:pointer}.admin-shell{max-width:1420px;margin:auto;padding:28px 24px 60px}.admin-top{display:flex;justify-content:space-between;gap:18px;align-items:start}.admin-top h1{font-size:30px;letter-spacing:-1px;margin:4px 0 15px}.admin-actions{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.admin-actions button.primary{background:#245dc0;color:white;border-color:#245dc0}.admin-actions button.gold{background:#ffcd61;color:#17396d;border-color:#f3bc43}.admin-layout{display:grid;grid-template-columns:270px 1fr;gap:22px}.class-sidebar{border:1px solid #dce6f3;background:white;border-radius:12px;padding:16px;align-self:start;position:sticky;top:90px;max-height:80vh;overflow:auto}.class-sidebar input{margin:0 0 12px}.class-sidebar button{display:block;text-align:left;border:0;background:white;width:100%;padding:10px;border-radius:8px;color:#35536e;font-size:11px;cursor:pointer;line-height:1.6}.class-sidebar button.selected{background:#eaf2ff;color:#225bb4;font-weight:700}.admin-panel{background:white;border:1px solid #dbe6f3;border-radius:12px;padding:26px}.admin-panel h2{font-size:23px;line-height:1.5}.admin-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.admin-fields label{font-size:12px;color:#405d76}.admin-fields input,.admin-fields select{font-size:13px}.admin-category{border-top:1px solid #e1e9f3;margin-top:24px;padding-top:22px}.admin-category h3{font-size:17px;margin:0 0 15px;display:flex;justify-content:space-between}.admin-category textarea,textarea.admin-text{font:inherit;font-size:13px;border:1px solid #cfdeef;border-radius:8px;width:100%;padding:12px;margin:8px 0;resize:vertical;min-height:65px;color:#294661}.check-label{display:flex;align-items:center;gap:8px;margin:14px 0;font-size:12px!important}.check-label input{width:auto;margin:0}.admin-info{font-size:11px;color:#687e92}.audit-list{max-height:350px;overflow:auto}.audit-item{padding:12px 0;border-bottom:1px solid #e2e9f3;font-size:12px}.audit-item small{display:block;color:#6a8296}.score-strip{display:flex;gap:14px;flex-wrap:wrap;background:#173c7c;color:white;padding:18px 22px;border-radius:10px;margin-top:18px;font-size:13px}.score-strip strong{font-size:22px}.admin-banner{border-left:3px solid #e9b13e;background:#fff7e5;padding:15px 20px;margin:15px 0;font-size:12px}.toast{position:fixed;bottom:24px;right:24px;z-index:100;background:#173a75;color:white;padding:14px 22px;border-radius:9px;box-shadow:0 7px 35px #16305b40;font-size:13px;max-width:90vw}.hidden{display:none!important}.admin-login{max-width:600px;margin:60px auto;padding:30px;background:white;border:1px solid #dce5f1;border-radius:14px}.table-scroll{overflow:auto}.admin-review{min-width:750px}.dirty-label{color:#a76e16;font-size:12px}.admin-panel details{margin-top:22px}.admin-panel summary{font-weight:700;font-size:14px;cursor:pointer}
@media(max-width:900px){.admin-layout{grid-template-columns:1fr}.class-sidebar{position:static;max-height:240px}.admin-fields{grid-template-columns:1fr 1fr}.podium{grid-template-columns:1fr}.admin-top{display:block}}@media(max-width:480px){.admin-shell{padding:20px 12px}.admin-panel{padding:18px}.admin-fields{grid-template-columns:1fr}.modal-head,.modal-body{padding:20px}.class-summary>div{min-width:120px}.live-tools select{width:100%;max-width:none}.admin-top h1{font-size:25px}}
/* Ranking shown as connected nodes and stacked horizontal bars. */
#podium:empty{display:none}.ranking-chart{margin-top:24px;position:relative}.ranking-chart:before{content:'';position:absolute;left:28px;top:48px;bottom:40px;width:2px;background:#d4e1f3}.chart-heading{display:grid;grid-template-columns:43% 1fr 75px;gap:18px;padding:12px 20px;color:#6b83a0;font-size:10px;letter-spacing:.6px}.rank-node{position:relative;display:grid;grid-template-columns:42px minmax(200px,1fr) minmax(100px,1fr) 70px;gap:18px;align-items:center;width:100%;text-align:left;border:1px solid #dce6f4;border-radius:12px;background:white;padding:18px;margin-bottom:11px;color:#19395f;cursor:pointer;font:inherit;transition:transform .25s,border-color .25s,box-shadow .25s}.rank-node:hover{transform:translateX(4px);border-color:#82ace8;box-shadow:0 7px 24px #143e7610}.rank-circle{height:36px;width:36px;display:grid;place-items:center;background:#edf3fd;color:#54749d;border:3px solid white;outline:1px solid #d1e0f4;border-radius:50%;font-size:14px;font-weight:800;z-index:1}.rank-label b{display:block;font-size:13px;line-height:1.5}.rank-label small{display:block;font-size:10px;color:#70849a;margin-top:4px}.rank-track{display:block;height:17px;border-radius:8px;background:#f0f4fa;overflow:hidden;position:relative}.rank-fill{height:100%;display:flex;border-radius:8px;overflow:hidden;transition:width .7s ease}.rank-fill>span{height:100%;display:block}.rank-no-data{position:absolute;inset:0;font-size:9px;color:#8a9bb0;text-align:center;line-height:17px}.rank-value{text-align:right}.rank-value b{font-size:20px;display:block;color:#1d559f}.rank-value small{font-size:9px;color:#7189a3;display:block}.rank-1{background:linear-gradient(100deg,#fff9eb,#fff 55%);border-color:#efd797}.rank-1 .rank-circle{background:#ffcc56;color:#674700;outline-color:#efc456}.rank-2 .rank-circle{background:#d6e3f2;color:#335271}.rank-3 .rank-circle{background:#ead3b9;color:#795025}.rank-change{display:block;font-size:9px;margin-top:3px}
/* A continuous road connects dated milestones. */
.road-heading{display:flex;gap:15px;justify-content:space-between;align-items:center;margin-top:25px;font-size:11px;color:#6b82a2}.event-road{position:relative;list-style:none;margin:30px 0;padding:0}.event-road:before{content:'';position:absolute;left:calc(50% - 11px);top:25px;bottom:25px;width:22px;border-radius:20px;background:#dbe5f5;box-shadow:inset 0 0 0 1px #ccd9ec}.event-road:after{content:'';position:absolute;left:calc(50% - 1px);top:25px;bottom:25px;width:2px;background:repeating-linear-gradient(to bottom,#fff 0px,#fff 10px,transparent 10px,transparent 18px)}.road-step{position:relative;min-height:160px;display:flex;align-items:start;padding-bottom:24px;z-index:1}.road-step:nth-child(even){justify-content:flex-end}.road-dot{position:absolute;top:22px;left:calc(50% - 26px);width:52px;height:52px;border-radius:50%;background:white;border:5px solid #d8e7fc;display:grid;place-items:center;box-shadow:0 0 0 1px #b8cfee,0 4px 12px #204b8515;font-size:22px;z-index:2}.road-card{width:43%;background:white;border:1px solid #d8e4f5;border-radius:13px;padding:20px 23px;box-shadow:0 4px 15px #234a7605;position:relative;transition:transform .3s,box-shadow .3s}.road-card:after{content:'';position:absolute;right:-13%;top:47px;width:13%;height:2px;background:#c9daf1}.road-step:nth-child(even) .road-card:after{left:-13%;right:auto}.road-date{display:flex;align-items:center;justify-content:space-between;color:#225eb8;font-size:21px;font-weight:800;letter-spacing:-.5px}.road-date span{font-size:10px;letter-spacing:1px;color:#8397b0}.road-card h3{font-size:14px;margin:7px 0}.road-card p{font-size:12px;color:#667e96;margin:0;line-height:1.8}.road-card:hover{transform:translateY(-3px);box-shadow:0 9px 25px #234a7610}.road-step:last-child .road-dot{border-color:#ffdc8a;background:#fff9e9}.road-step:last-child .road-card{border-color:#edce80;background:linear-gradient(120deg,#fffaf0,white)}
/* Calculator starts closed and occupies only a compact strip. */
.calc-disclosure{margin-top:28px;border:1px solid #ffffff45;border-radius:12px;background:#ffffff10;overflow:hidden}.calc-disclosure>summary{list-style:none;display:flex;gap:16px;align-items:center;padding:19px 23px;cursor:pointer}.calc-disclosure>summary::-webkit-details-marker{display:none}.calc-summary-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:9px;background:#ffffff16;font-size:22px;color:#ffda83}.calc-disclosure summary b{display:block;font-size:14px}.calc-disclosure summary small{display:block;font-size:11px;color:#cbdcf7;margin-top:3px}.calc-toggle{margin-left:auto;font-size:11px;color:#ffda83;white-space:nowrap}.calc-disclosure[open] .calc-toggle{font-size:0}.calc-disclosure[open] .calc-toggle:after{content:'Thu gọn ⌃';font-size:11px}.calc-disclosure .calculator{margin:0;background:transparent;border:0;border-top:1px solid #ffffff30;border-radius:0;box-shadow:none}.calc-disclosure .calculator>.eyebrow,.calc-disclosure .calculator>h2{display:none}
@media(max-width:780px){.rank-node{grid-template-columns:33px 1fr 65px;gap:12px;padding:14px}.rank-circle{width:31px;height:31px}.rank-label b{font-size:12px}.rank-track{grid-column:2;grid-row:2;height:12px}.rank-value{grid-column:3;grid-row:1/3}.rank-no-data{font-size:8px;line-height:12px}.chart-heading{grid-template-columns:1fr 65px}.chart-heading span:nth-child(2){display:none}.ranking-chart:before{left:28px}.event-road:before{left:16px;width:18px}.event-road:after{left:24px}.road-step,.road-step:nth-child(even){justify-content:flex-end;min-height:150px}.road-dot{left:0;top:24px;width:50px;height:50px}.road-card{width:calc(100% - 75px)}.road-card:after,.road-step:nth-child(even) .road-card:after{left:-25px;right:auto;width:25px;top:47px}.calc-disclosure>summary{padding:16px;gap:12px}.calc-disclosure summary small{font-size:10px}.calc-toggle{font-size:0}.calc-toggle:after{content:'⌄';font-size:20px}.calc-disclosure[open] .calc-toggle:after{content:'⌃';font-size:20px}.calc-disclosure summary b{font-size:12px}.road-date{font-size:20px}}
@media(prefers-reduced-motion:reduce){.rank-node:hover,.road-card:hover{transform:none}.rank-fill{transition:none}}
/* Formal serpentine event itinerary. */
.road-journey{margin:28px 0 20px;padding:22px 0 0;border:1px solid #dce5ec;border-radius:16px;background:linear-gradient(150deg,#fff,#f5f9fb);overflow:hidden}.road-caption{display:flex;justify-content:space-between;gap:16px;padding:0 30px;color:#6c808e;font-size:10px;letter-spacing:1px}.road-caption span:first-child{color:#17617e;font-weight:800}.road-map{position:relative;margin:18px 10px 0}.road-surface{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:0}.road-surface path{fill:none;stroke-linecap:round;stroke-linejoin:round}.road-edge{stroke:#c7d0d7;stroke-width:21}.road-asphalt{stroke:#d8dfe4;stroke-width:18}.road-lane{stroke:#fff;stroke-width:2;stroke-dasharray:7 9}.event-road{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:250px;gap:30px 28px;padding:0 70px 18px;margin:0;position:relative;list-style:none}.event-road:before,.event-road:after{display:none}.road-step,.road-step:nth-child(even){--stop:#285c85;display:block;position:relative;min-height:0;padding:0 0 62px;margin:0;z-index:1}.road-step.road-cyan{--stop:#087e96}.road-step.road-gold{--stop:#967633}.road-marker{position:absolute;bottom:8px;left:0;height:44px;display:flex;align-items:center;border-radius:30px;background:var(--stop);box-shadow:0 3px 8px #284e6918;padding-right:16px;gap:9px;min-width:172px;max-width:100%;z-index:2}.road-node{width:44px;height:44px;flex:none;border:4px solid var(--stop);border-radius:50%;background:#fff;display:grid;place-items:center;color:var(--stop);font-size:12px;font-weight:800}.road-date{font-size:17px;line-height:1;font-weight:800;color:white;white-space:nowrap;letter-spacing:-.4px;display:block}.road-content{margin-left:21px;border-left:1px solid #b8cbd6;padding:12px 0 0 18px;position:relative;height:calc(100% + 24px)}.road-content:before{content:'';position:absolute;left:-5px;top:3px;width:7px;height:7px;background:white;border:2px solid var(--stop);border-radius:50%}.road-stage{font-size:9px;letter-spacing:1px;color:var(--stop);font-weight:800;display:block;margin:0 0 8px}.road-content h3{font-size:15px;line-height:1.5;letter-spacing:-.2px;margin:0 0 8px;color:#244557}.road-content p{font-size:11px;line-height:1.85;color:#677d8b;margin:0}.road-step:last-child .road-content h3{color:#876725}.road-endnote{padding:18px 30px;border-top:1px solid #dce5ec;background:#fff;font-size:10px;line-height:1.8;color:#6c818e}.road-step:hover .road-marker{box-shadow:0 4px 13px #284e692a}.road-content{transition:color .2s}@media(max-width:940px) and (min-width:621px){.event-road{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:235px;gap:30px 42px;padding:0 66px 18px}}@media(max-width:620px){.road-journey{margin-top:20px;border-radius:12px}.road-caption{padding:0 18px;display:block}.road-caption span{display:block;margin-bottom:5px}.road-map{margin:16px 12px 0}.event-road{grid-template-columns:minmax(0,1fr);grid-auto-rows:auto;gap:14px;padding:0 0 10px}.road-step,.road-step:nth-child(even){min-height:170px;padding:0 0 14px 68px}.road-marker{top:0;bottom:auto;left:0;min-width:0;width:44px;height:44px;padding:0;background:none;box-shadow:none;overflow:visible}.road-date{position:absolute;left:68px;top:4px;background:var(--stop);padding:8px 12px;font-size:15px;border-radius:6px}.road-content{margin:0;padding:50px 0 0;border:0;height:auto}.road-content:before{display:none}.road-stage{font-size:9px;margin-bottom:5px}.road-content h3{font-size:14px;margin-bottom:5px}.road-content p{font-size:11px}.road-node{width:44px;height:44px}.road-endnote{padding:15px 18px}.road-surface .road-edge{stroke-width:17}.road-surface .road-asphalt{stroke-width:14}.road-surface .road-lane{stroke-width:1.5}}

/* Floating calculator: opens only after an explicit click. */
.calc-float{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:80;display:flex;align-items:center;gap:9px;padding:13px 17px;border:1px solid #c8dbea;border-radius:12px;background:#fff;color:#1e527e;box-shadow:0 5px 22px #183e641a;font:700 12px 'Be Vietnam Pro',sans-serif;cursor:pointer}.calc-float svg{width:23px;height:23px;flex:none}.calc-float:hover{background:#f1f8fd;border-color:#73a4c4}.calc-float:focus-visible,.calc-close:focus-visible{outline:3px solid #58a6d7;outline-offset:3px}.calculator-open{overflow:hidden}.calc-dialog{border:1px solid #cbdce9;border-radius:16px;padding:0;width:min(860px,calc(100vw - 36px));max-height:88dvh;overflow:auto;background:#f7fafc;color:#183b55;box-shadow:0 20px 90px #0b284840}.calc-dialog::backdrop{background:#112d4870;backdrop-filter:blur(4px)}.calc-dialog-head{position:sticky;top:0;z-index:3;background:#fff;border-bottom:1px solid #dce7ef;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 26px}.calc-dialog-head .eyebrow{font-size:9px;letter-spacing:1.6px}.calc-dialog-head h2{font-size:23px;letter-spacing:-.5px;margin:4px 0 0}.calc-close{border:1px solid #d6e2ec;border-radius:8px;background:#f4f8fb;color:#345a76;width:35px;height:35px;display:grid;place-items:center;font-size:23px;cursor:pointer;flex:none}.calc-dialog .calculator{margin:0;padding:8px 26px 24px;background:transparent;border:0;border-radius:0;color:#183b55}.calc-dialog .calculator>.eyebrow,.calc-dialog .calculator>h2{display:none}.calc-dialog .calculator>.tiny{color:#6c7f8e;line-height:1.8;margin:14px 0 18px}.calc-dialog .calc-section{background:#fff;border:1px solid #dae6ee;padding:18px;margin-top:12px}.calc-dialog .calc-heading{font-size:14px;color:#244c6c;margin-bottom:14px}.calc-dialog .calc-heading small{color:#66889e;font-size:10px}.calc-dialog .calc-heading b{background:#eaf3f9;color:#24618a;font-size:12px;padding:5px 10px}.calc-dialog .calcgrid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.calc-dialog .calcgrid label{color:#466278;font-size:11px;line-height:1.65}.calc-dialog .calcgrid input,.calc-dialog .calcgrid select{font-size:12px;border-color:#cbdce9;margin-top:6px;padding:10px;background:#fff;color:#244c6c}.calc-dialog .tiny{color:#6b8292;line-height:1.8}.calc-dialog .total{position:sticky;bottom:0;z-index:2;margin-top:18px;background:#174f7b;color:white;padding:15px 18px;box-shadow:0 -5px 20px #f7fafc}.calc-dialog .total>span{font-size:10px;letter-spacing:.7px}.calc-dialog .total strong{font-size:28px;white-space:nowrap}.calc-dialog .breakdown{color:#607c90;font-size:10px;line-height:1.7}@media(max-width:780px){.calc-float{top:auto;bottom:86px;right:18px;transform:none;font-size:11px;padding:11px 14px}.calc-float svg{width:20px;height:20px}.calc-dialog{width:calc(100vw - 24px);max-height:90dvh;border-radius:12px}.calc-dialog-head{padding:17px 18px}.calc-dialog-head h2{font-size:20px}.calc-dialog .calculator{padding:6px 16px 18px}.calc-dialog .calcgrid{grid-template-columns:repeat(2,minmax(0,1fr))}.calc-dialog .calc-section{padding:15px}}@media(max-width:480px){.calc-dialog .calcgrid{grid-template-columns:1fr}.calc-dialog .total{gap:12px}.calc-dialog .total strong{font-size:24px}.calc-float{right:14px;bottom:84px}}