/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.start{inset-inline-start:var(--spacing)}.flex{display:flex}.hidden{display:none}.flex-shrink{flex-shrink:1}.flex-wrap{flex-wrap:wrap}.border{border-style:var(--tw-border-style);border-width:1px}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}}:root{--navy:#102a2d;--navy2:#183c3f;--teal:#087f76;--mint:#d9eee8;--paper:#f5f3ed;--card:#fff;--ink:#172525;--muted:#6e7774;--line:#e3e3dc;--amber:#d08b2f;--shadow:0 12px 40px #192b2812}*{box-sizing:border-box}html,body{background:var(--paper);min-height:100%;color:var(--ink);margin:0;font-family:PingFang SC,Microsoft YaHei,Arial,sans-serif}button,textarea,select,input{font:inherit}button{cursor:pointer}.app-shell{grid-template-columns:250px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--navy);color:#fff;z-index:10;flex-direction:column;width:250px;padding:28px 20px 20px;display:flex;position:fixed;inset:0 auto 0 0}.logo{align-items:center;gap:12px;display:flex}.logo-mark{border:1px solid #ffffff75;place-items:center;width:42px;height:42px;font-family:serif;font-size:21px;display:grid;position:relative}.logo-mark:after{content:"";border:1px solid #ffffff21;position:absolute;inset:4px}.logo strong,.logo small{display:block}.logo strong{letter-spacing:2px;font-family:serif;font-size:20px}.logo small{color:#a9bfbc;letter-spacing:1px;margin-top:4px;font-size:10px}.sidebar nav{gap:7px;margin-top:47px;display:grid}.sidebar nav button{color:#a9bfbc;text-align:left;background:0 0;border:0;border-radius:9px;align-items:center;gap:13px;padding:13px 14px;display:flex;position:relative}.sidebar nav button>span{text-align:center;width:22px;font-size:18px}.sidebar nav button>b{color:#fff;background:#2ca99c;border-radius:4px;margin-left:auto;padding:2px 5px;font-size:9px}.sidebar nav button.active,.sidebar nav button:hover{color:#fff;background:#ffffff17}.sidebar nav button.active:before{content:"";background:#3fc1b1;border-radius:0 3px 3px 0;width:3px;height:24px;position:absolute;left:-20px}.side-course{background:#ffffff09;border:1px solid #ffffff1a;border-radius:10px;margin-top:34px;padding:16px}.side-course>span,.side-course strong,.side-course small,.side-course em{display:block}.side-course>span{color:#819e9a;letter-spacing:2px;font-size:10px}.side-course strong{margin:9px 0 4px;font-size:13px}.side-course small{color:#98adaa;font-size:11px}.side-course div{background:#2b4d50;height:3px;margin:15px 0 7px}.side-course i{background:#43b5a7;height:100%;display:block}.side-course em{color:#839d9a;font-size:10px;font-style:normal}.side-bottom{border-top:1px solid #ffffff1a;margin-top:auto;padding-top:15px}.profile{color:#fff;text-align:left;background:0 0;border:0;align-items:center;gap:10px;width:100%;display:flex}.profile>span,.avatar{color:#fff;background:#d1ab75;border-radius:50%;place-items:center;width:35px;height:35px;font-family:serif;display:grid}.profile div{flex:1}.profile strong,.profile small{display:block}.profile strong{font-size:12px}.profile small{color:#8ea6a3;margin-top:3px;font-size:10px}.profile>b{color:#8ea6a3;font-weight:400}main{grid-column:2;min-width:0}.topbar{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);z-index:5;background:#ffffffbf;align-items:center;height:68px;padding:0 42px;display:flex;position:sticky;top:0}.crumb{color:#65716e;font-size:12px}.crumb span{color:#b3b9b6;margin:0 8px}.top-actions{align-items:center;gap:13px;margin-left:auto;display:flex}.search{color:#848b88;text-align:left;background:#f7f7f3;border:1px solid #dfe1dc;border-radius:7px;align-items:center;gap:8px;width:200px;height:36px;padding:0 11px;display:flex}.search span{flex:1}.search kbd{background:#fff;border:1px solid #d8dad5;border-radius:4px;padding:2px 5px;font-size:9px}.bell{background:0 0;border:0;font-size:19px;position:relative}.bell i{background:#db6d52;border-radius:50%;width:5px;height:5px;position:absolute;top:3px;right:4px}.avatar{width:32px;height:32px;font-size:12px}.content{max-width:1280px;margin:auto;padding:45px 48px 70px}.hero-row{justify-content:space-between;align-items:flex-end;margin-bottom:28px;display:flex}.eyebrow{color:#16877c;letter-spacing:2.4px;margin:0 0 8px;font-size:10px;font-weight:700}.hero-row h1,.page-intro h1{letter-spacing:.5px;margin:0;font-family:Georgia,Songti SC,serif;font-size:30px;font-weight:500}.hero-row h1 span{font-size:23px}.hero-row>div>p:last-child,.page-intro>p:last-child{color:#7c8481;margin:10px 0 0;font-size:13px}.hero-row p b{color:#0c7c74}.exam-count{align-items:baseline;gap:6px;padding-right:118px;display:flex;position:relative}.exam-count span{color:#8a918e;font-size:11px}.exam-count strong{color:#c48639;font-family:Georgia;font-size:34px}.exam-count small{color:#805c31}.exam-count i{color:#9b9f9b;border-left:1px solid #d5d5ce;padding-left:15px;font-size:10px;font-style:normal;position:absolute;bottom:5px;right:0}.dashboard-grid{grid-template-columns:minmax(0,1.7fr) minmax(280px,.8fr);gap:20px;display:grid}.card{background:var(--card);box-shadow:var(--shadow);border:1px solid #183a3614;border-radius:12px}.today-card{padding:24px 26px}.card-head{justify-content:space-between;align-items:center;display:flex}.card-head>div,.section-title>div{align-items:center;gap:9px;display:flex}.section-index{color:#14857a;letter-spacing:1px;font-family:Georgia;font-size:10px}.card-head h2,.section-title h2{margin:0;font-family:Georgia,Songti SC,serif;font-size:19px;font-weight:500}.card-head p{color:#7f8783;font-size:10px}.today-progress{background:#eef0eb;height:3px;margin:18px 0 7px}.today-progress i{background:#14877d;height:100%;display:block}.task-list button{text-align:left;background:0 0;border:0;border-bottom:1px solid #eeeeea;align-items:center;gap:13px;width:100%;padding:14px 2px;display:flex}.task-list button:hover{background:#fafaf7}.check{color:#a0a7a3;border:1px solid #cfd5d1;border-radius:50%;place-items:center;width:25px;height:25px;font-size:11px;display:grid}.task-list button.done .check{color:#fff;background:#13877c;border-color:#13877c}.task-list button.done strong{color:#919a96;text-decoration:line-through}.task-list button div{flex:1}.task-list strong,.task-list small{display:block}.task-list strong{font-size:12px;font-weight:600}.task-list small{color:#9aa19e;margin-top:5px;font-size:10px}.task-list button>b{color:#9ba29f;font-size:20px;font-weight:300}.start-btn{background:var(--navy);color:#fff;border:0;border-radius:6px;height:41px;margin-top:18px;padding:0 19px;font-size:12px}.start-btn span{margin-left:24px}.coach-card{background:var(--navy);color:#fff;text-align:center;padding:23px 24px;position:relative;overflow:hidden}.coach-card:before{content:"";border:1px solid #ffffff0a;border-radius:50%;width:150px;height:150px;position:absolute;top:-70px;right:-70px}.coach-orb{background:radial-gradient(circle at 35% 30%,#54cfc0,#168378 62%,#0b5c57);border-radius:50%;place-items:center;width:46px;height:46px;margin:auto;font-family:Georgia;font-size:13px;display:grid;box-shadow:0 0 0 6px #45c1b117,0 0 30px #45c1b13b}.live-dot{color:#7fd8cc;font-size:9px;position:absolute;top:27px;right:25px}.live-dot:before{content:"";background:#4bd0b9;border-radius:50%;width:5px;height:5px;margin-right:5px;display:inline-block}.coach-card h2{margin:14px 0 7px;font-family:Georgia,Songti SC,serif;font-size:17px}.coach-card>p{color:#a9c0bd;margin:0;font-size:11px;line-height:1.8}.suggestions{gap:6px;margin:16px 0 13px;display:grid}.suggestions button{color:#b6c9c6;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:5px;padding:8px;font-size:10px}.suggestions button:hover{color:#fff;background:#ffffff1a}.ask-btn{color:#173133;background:#d5ae74;border:0;border-radius:5px;width:100%;padding:10px 18px;font-size:11px;font-weight:600}.ask-btn span{float:right}.review-section{margin-top:34px}.section-title{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.section-title button{color:#67817e;background:0 0;border:0;font-size:10px}.point-grid{grid-template-columns:repeat(4,1fr);gap:13px;display:grid}.point-card{text-align:left;background:#fff;border:1px solid #183a3614;border-radius:9px;padding:18px;position:relative;box-shadow:0 5px 18px #1a2d2909}.point-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.point-icon{border-radius:8px;place-items:center;width:32px;height:32px;font-family:serif;font-size:13px;display:grid}.point-icon.teal{color:#087b71;background:#dceee9}.point-icon.amber{color:#a76d25;background:#f6ead8}.point-icon.blue{color:#416e91;background:#e1ebf2}.point-icon.purple{color:#705b89;background:#ece7f2}.point-card>span{color:#8e9692;font-size:9px;position:absolute;top:21px;left:58px}.point-card h3{margin:15px 0 7px;font-family:Georgia,Songti SC,serif;font-size:14px;font-weight:500}.point-card p,.knowledge-card p{color:#979d9a;height:29px;font-size:9px;line-height:1.6}.mastery{grid-template-columns:auto 1fr auto;align-items:center;gap:7px;margin-top:15px;display:grid}.mastery em,.mastery strong{color:#8d9591;font-size:8px;font-style:normal}.mastery>div{background:#eceee9;height:2px}.mastery i{background:#18877c;height:100%;display:block}.point-card>small{border-radius:3px;margin-top:12px;padding:3px 6px;font-size:8px;display:inline-block}.point-card>small.teal{color:#18796f;background:#e1f0ec}.point-card>small.amber{color:#9b692c;background:#f8ecd9}.point-card>small.blue{color:#507493;background:#e5edf3}.point-card>small.purple{color:#6c5c82;background:#eee9f3}.stats-strip{border-top:1px solid #dedfd9;border-bottom:1px solid #dedfd9;grid-template-columns:repeat(4,1fr);margin-top:21px;padding:20px 8px;display:grid}.stats-strip div{text-align:center;border-right:1px solid #dedfd9}.stats-strip div:last-child{border:0}.stats-strip span{color:#8c9490;font-size:9px;display:block}.stats-strip strong{margin-top:5px;font-family:Georgia;font-size:22px;font-weight:400;display:block}.stats-strip small{color:#858e89;margin-left:4px;font-family:inherit;font-size:9px;font-weight:400}.mobile-logo,.mobile-nav{display:none}.chat-content{max-width:none;height:calc(100vh - 68px);padding:0}.chat-layout{grid-template-columns:220px 1fr;height:100%;display:grid}.chat-history{border-right:1px solid var(--line);background:#eeeee9;flex-direction:column;gap:5px;padding:24px 14px;display:flex}.chat-history>span{color:#929995;margin:18px 8px 5px;font-size:9px}.chat-history button{text-align:left;color:#636e6b;white-space:nowrap;text-overflow:ellipsis;background:0 0;border:0;border-radius:6px;padding:10px;font-size:11px;overflow:hidden}.chat-history .new-chat{color:#173b3d;text-align:center;background:#fff;border:1px solid #cdd5d0}.chat-history button.history-active{color:#106c65;background:#dce8e3}.chat-panel{background:#f7f6f1;flex-direction:column;min-width:0;display:flex}.chat-title{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;height:70px;padding:0 28px;display:flex}.chat-title>div{align-items:center;gap:12px;display:flex}.coach-orb.mini{width:35px;height:35px;box-shadow:none;margin:0}.chat-title h2,.chat-title p{margin:0}.chat-title h2{font-family:Georgia,Songti SC,serif;font-size:15px;font-weight:500}.chat-title p{color:#89918d;margin-top:4px;font-size:9px}.chat-title select,.file-card select{color:#3e514e;background:#fafaf7;border:1px solid #d9dcd7;border-radius:6px;padding:8px 26px 8px 11px;font-size:10px}.messages{flex:1;padding:30px max(30px,50% - 380px) 20px;overflow:auto}.message{gap:10px;margin-bottom:24px;display:flex}.message.user{justify-content:flex-end}.msg-avatar{background:var(--navy);color:#d9b37a;border-radius:50%;flex:none;place-items:center;width:30px;height:30px;font-family:serif;font-size:11px;display:grid}.bubble{background:#fff;border:1px solid #e2e3de;border-radius:3px 12px 12px;max-width:680px;padding:15px 17px;font-size:12px;line-height:1.75;box-shadow:0 4px 16px #1e322e0a}.bubble>span{display:block}.bubble .answer-head{color:#0b756c;margin-top:6px;font-weight:700}.message.user .bubble{background:var(--navy2);color:#fff;border:0;border-radius:12px 3px 12px 12px}.demo-label{color:#929a96;border-top:1px solid #e5e7e2;margin-top:12px;padding-top:8px;font-size:8px;display:block}.typing{gap:4px;padding:13px 16px;display:flex}.typing i{background:#4c9d94;border-radius:50%;width:5px;height:5px;animation:1.2s infinite pulse}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}@keyframes pulse{50%{opacity:.5}}.chat-form{background:#fff;border:1px solid #cfd7d2;border-radius:12px;width:min(760px,100% - 50px);margin:0 auto 24px;padding:12px 14px;box-shadow:0 10px 35px #1e322e17}.subject-chip{color:#11756c;background:#e1efeb;border-radius:4px;padding:4px 8px;font-size:9px;display:inline-block}.chat-form textarea{resize:none;color:#263533;background:0 0;border:0;outline:none;width:100%;padding:10px 1px 5px;font-size:12px}.chat-tools{color:#9aa09d;justify-content:space-between;align-items:center;font-size:9px;display:flex}.chat-tools button,.primary{background:var(--navy);color:#fff;border:0;border-radius:6px;padding:8px 14px;font-size:10px}.chat-tools button:disabled{opacity:.35}.page-stack{max-width:1100px;margin:auto}.page-intro{margin-bottom:28px}.page-intro h1{font-size:32px}.plan-grid{grid-template-columns:1.65fr .8fr;gap:20px;display:grid}.plan-main{padding:25px}.plan-tag{color:#12766d;background:#e2f0ec;border-radius:4px;padding:5px 8px;font-size:9px}.plan-row{border-bottom:1px solid #ecece7;align-items:center;gap:13px;padding:18px 3px;display:flex}.plan-check{border:1px solid #ccd3cf;border-radius:50%;place-items:center;width:24px;height:24px;font-size:10px;display:grid}.plan-check.done{background:var(--teal);color:#fff}.plan-row div{flex:1}.plan-row strong,.plan-row small{display:block}.plan-row strong{font-size:12px}.plan-row small{color:#929a96;margin-top:5px;font-size:9px}.plan-row button{color:#126e68;background:#fff;border:1px solid #d7dcd8;border-radius:4px;padding:6px 10px;font-size:9px}.goal-card{text-align:center;padding:24px}.goal-card>span{color:#858e8a;font-size:10px}.ring{--p:0deg;background:conic-gradient(var(--teal) var(--p),#e9ece7 0);border-radius:50%;place-items:center;width:118px;height:118px;margin:18px auto;display:grid;position:relative}.ring:after{content:"";background:#fff;border-radius:50%;position:absolute;inset:8px}.ring span{z-index:1;font-family:Georgia;font-size:30px;position:relative}.ring small{font-family:inherit;font-size:10px}.goal-card h3{margin:5px 0;font-family:Georgia,Songti SC,serif;font-size:16px}.goal-card p{color:#909894;font-size:9px}.goal-card ul{text-align:left;color:#596562;border-top:1px solid #ecece7;padding:12px 0 8px 24px;font-size:10px;line-height:2}.goal-card button{color:#18383a;background:#d7b47e;border:0;border-radius:5px;width:100%;padding:10px;font-size:10px}.library-head{justify-content:space-between;align-items:flex-end;display:flex}.library-stat{text-align:right}.library-stat strong{color:#b77c32;font-family:Georgia;font-size:34px;font-weight:400;display:block}.library-stat span{color:#8b9390;font-size:9px}.filter-row{gap:7px;margin-bottom:18px;display:flex}.filter-row button{color:#6b7571;background:0 0;border:1px solid #d8dcd7;border-radius:20px;padding:7px 15px;font-size:10px}.filter-row button.active{background:var(--navy);color:#fff;border-color:var(--navy)}.library-grid{grid-template-columns:repeat(3,1fr);gap:15px;display:grid}.knowledge-card{background:#fff;border:1px solid #e2e3dd;border-radius:10px;padding:20px}.knowledge-card>div:first-child{align-items:center;gap:10px;display:flex}.knowledge-card>div:first-child small{color:#868e8a;font-size:9px}.knowledge-card h3{margin:16px 0 8px;font-family:Georgia,Songti SC,serif;font-size:16px;font-weight:500}.knowledge-card>button{color:#0c756c;text-align:left;background:0 0;border:0;border-top:1px solid #ecece7;width:100%;margin-top:11px;padding:15px 0 0;font-size:9px}.primary{background:var(--navy);padding:11px 18px}.upload-zone{text-align:center;cursor:pointer;background:#ffffff8c;border:1px dashed #aabcb6;border-radius:12px;margin-bottom:20px;padding:35px}.upload-zone:hover{background:#fff;border-color:#3e9a8f}.upload-zone>div{color:#08766d;background:#dcece7;border-radius:50%;place-items:center;width:42px;height:42px;margin:auto;display:grid}.upload-zone h3{margin:12px 0 5px;font-family:Georgia,Songti SC,serif;font-size:15px;font-weight:500}.upload-zone p{color:#929a96;font-size:9px}.upload-zone>span{background:#fff;border:1px solid #d1d8d3;border-radius:5px;padding:7px 14px;font-size:9px;display:inline-block}.file-card{padding:24px}.file-table{margin-top:15px}.file-row{border-top:1px solid #ecece7;grid-template-columns:2.3fr .7fr .6fr .7fr;align-items:center;padding:13px 4px;font-size:10px;display:grid}.file-header{color:#959c99;font-size:8px}.file-row>span:first-child{align-items:center;gap:10px;min-width:0;display:flex}.file-row b{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.file-row i{border-radius:5px;flex:none;place-items:center;width:33px;height:33px;font-size:7px;font-style:normal;display:grid}.file-row i.pdf{color:#b45c42;background:#f5e5df}.file-row i.video{color:#14796f;background:#e0ece9}.file-row em{border-radius:4px;padding:4px 7px;font-size:8px;font-style:normal}.file-row em.ready{color:#14766d;background:#e1efeb}.file-row em.pending{color:#986624;background:#f5ead9}.pipeline{border:1px solid #dedfd9;border-radius:9px;justify-content:space-between;align-items:center;margin-top:20px;padding:18px 22px;display:flex}.pipeline>div{align-items:center;gap:9px;display:flex}.pipeline>div>b{background:var(--navy);color:#fff;border-radius:50%;place-items:center;width:26px;height:26px;font-size:9px;display:grid}.pipeline strong,.pipeline small{display:block}.pipeline strong{font-size:9px}.pipeline small{color:#929a96;margin-top:3px;font-size:8px}.pipeline>i{color:#aab0ad;font-style:normal}.plan-builder{grid-template-columns:repeat(3,1fr) auto;align-items:end;gap:14px;margin-bottom:18px;padding:18px 22px;display:grid}.plan-builder label{color:#7f8985;margin-bottom:7px;font-size:9px;display:block}.plan-builder select{background:#fafaf7;border:1px solid #d7dcd7;border-radius:6px;width:100%;padding:9px;font-size:10px}.plan-builder>button{background:var(--navy);color:#fff;border:0;border-radius:6px;padding:10px 16px;font-size:10px}.plan-view-toggle{background:#e8e9e4;border-radius:7px;padding:3px;display:flex}.plan-view-toggle button{color:#6f7975;background:0 0;border:0;border-radius:5px;padding:7px 12px;font-size:9px}.plan-view-toggle button.active{color:#126e68;background:#fff;box-shadow:0 2px 8px #142d2914}.checkin-grid{grid-template-columns:repeat(2,1fr);gap:10px;margin-top:18px;display:grid}.checkin-item{border:1px solid #e2e4de;border-radius:8px;grid-template-columns:auto 1fr;align-items:center;gap:10px;padding:14px;display:grid}.checkin-item.done{background:#eef7f3;border-color:#b9d9d1}.checkin-item>div strong,.checkin-item>div small{display:block}.checkin-item>div strong{font-size:10px}.checkin-item>div small{color:#8b9490;margin-top:4px;font-size:8px}.checkin-item>button:last-child{color:#156f68;background:#edf1ee;border:0;border-radius:4px;grid-column:1/-1;padding:7px;font-size:9px}.checkin-item>.plan-check{background:#fff;padding:0}.checkin-item>.plan-check.done{background:var(--teal)}.subject-multi-picker{flex-wrap:wrap;gap:5px;display:flex}.subject-multi-picker button{color:#65716d;background:#fafaf7;border:1px solid #d7dcd7;border-radius:15px;padding:6px 9px;font-size:8px}.subject-multi-picker button.active{color:#fff;background:#173d3d;border-color:#173d3d}.selected-subject-count{color:#14877d;margin-top:6px;font-size:8px;display:block}.execution-strategy{grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:center;gap:12px;margin:24px 0 32px;display:grid}.execution-strategy article{background:#fff;border:1px solid #e0e2dc;border-top:3px solid #168177;border-radius:8px;min-height:125px;padding:16px}.execution-strategy article>span,.execution-strategy article>strong{display:block}.execution-strategy article>span{color:#168177;letter-spacing:1px;font-size:8px}.execution-strategy article>strong{margin:8px 0;font-family:Georgia,Songti SC,serif;font-size:14px}.execution-strategy article>p{color:#7d8782;margin:0;font-size:9px;line-height:1.65}.execution-strategy>i{color:#aab2ae;font-style:normal}.roadmap-head{justify-content:space-between;align-items:end;margin-bottom:12px;display:flex}.roadmap-head>div{align-items:center;gap:9px;display:flex}.roadmap-head h2{margin:0;font-family:Georgia,Songti SC,serif;font-size:19px;font-weight:500}.roadmap-head>p{color:#8c9490;margin:0;font-size:9px}.week-roadmap{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.week-roadmap button{text-align:left;background:#fff;border:1px solid #e0e2dc;border-radius:8px;min-height:120px;padding:15px}.week-roadmap button:hover,.week-roadmap button.active{border-color:#228a80;box-shadow:0 7px 20px #14413b14}.week-roadmap button.active{background:#eef7f3}.week-roadmap span,.week-roadmap small,.week-roadmap strong{display:block}.week-roadmap span{color:#168178;font-size:9px}.week-roadmap small{color:#959d99;margin-top:4px;font-size:8px}.week-roadmap strong{margin:11px 0 6px;font-family:Georgia,Songti SC,serif;font-size:13px}.week-roadmap p{color:#747e79;margin:0;font-size:8px;line-height:1.55}.daily-head{margin-top:30px}.daily-execution{grid-template-columns:1.25fr .75fr;gap:15px;display:grid}.day-list{padding:8px 18px}.day-list>button{text-align:left;background:0 0;border:0;border-bottom:1px solid #ecece7;align-items:center;gap:12px;width:100%;padding:13px 8px;display:flex}.day-list>button.active{background:#f2f6f3}.day-list>button.done>span{color:#fff;background:#168178;border-color:#168178}.day-list>button>span{color:#64706b;border:1px solid #d2d8d4;border-radius:50%;flex:none;place-items:center;width:35px;height:35px;font-size:8px;display:grid}.day-list>button>div{flex:1}.day-list strong,.day-list small{display:block}.day-list strong{font-size:10px}.day-list small{color:#949b98;margin-top:4px;font-size:8px}.day-list b{color:#a2aaa6;font-weight:400}.day-detail{align-self:start;padding:24px;position:sticky;top:88px}.day-detail>span{color:#168178;letter-spacing:1px;font-size:8px}.day-detail h3{margin:10px 0 18px;font-family:Georgia,Songti SC,serif;font-size:17px;font-weight:500}.day-detail ol{margin:0;padding-left:22px}.day-detail li{border-bottom:1px dashed #e2e4de;font-size:10px;line-height:2.2}.day-actions{grid-template-columns:1fr 1fr;gap:8px;margin-top:20px;display:grid}.day-actions button{color:#126f68;background:#fff;border:1px solid #cfd7d2;border-radius:5px;padding:9px;font-size:9px}.day-actions button:first-child{background:var(--navy);color:#fff;border-color:var(--navy)}.day-actions button.checked{background:#168178;border-color:#168178}.day-detail>p{color:#929a96;margin-top:12px;font-size:8px;line-height:1.6}.account-grid{grid-template-columns:1fr 1fr;gap:20px;max-width:830px;display:grid}.login-card,.price-card{padding:30px}.login-brand{align-items:center;gap:12px;margin-bottom:25px;display:flex}.login-brand>span{background:var(--navy);color:#d9b37a;place-items:center;width:42px;height:42px;font-family:serif;display:grid}.login-brand strong,.login-brand small{display:block}.login-brand strong{font-family:Georgia,Songti SC,serif;font-size:17px}.login-brand small{color:#89928e;margin-top:4px;font-size:9px}.login-card>label{color:#727d78;margin:14px 0 6px;font-size:9px;display:block}.login-card input{border:1px solid #d8dcd7;border-radius:6px;outline:none;width:100%;padding:11px;font-size:10px}.code-input{gap:7px;display:flex}.code-input button{color:#14756d;white-space:nowrap;background:#f3f6f3;border:1px solid #cdd6d1;border-radius:6px;font-size:9px}.login-submit{background:var(--navy);color:#fff;border:0;border-radius:6px;width:100%;margin-top:20px;padding:11px;font-size:10px}.login-card>p,.price-card>p{text-align:center;color:#999f9c;font-size:8px}.price-card{background:var(--navy);color:#fff;position:relative}.best-tag{color:#18383a;background:#d7b47e;border-radius:4px;padding:5px 8px;font-size:9px;display:inline-block}.price-card h2{margin:22px 0 8px;font-family:Georgia,Songti SC,serif;font-size:19px;font-weight:500}.price small{font-size:16px}.price strong{font-family:Georgia;font-size:48px;font-weight:400}.price em{color:#9fb7b3;font-size:10px;font-style:normal}.price-card ul{color:#c5d3d0;border-top:1px solid #ffffff1a;padding:15px 0 15px 20px;font-size:10px;line-height:2.3}.price-card>button{color:#173536;background:#d7b47e;border:0;border-radius:6px;width:100%;padding:12px;font-size:10px;font-weight:600}.form-message{background:#fff4ef;border-radius:5px;color:#b65c45!important;padding:8px!important}.account-status{border-left:3px solid var(--teal);background:#eef6f2;gap:5px;margin-bottom:18px;padding:13px;display:grid}.account-status span,.account-status small{color:#6e7e78;font-size:9px}.account-status strong{color:#0b746b;font-size:14px}.text-action{color:#71807b;background:0 0;border:0;margin:15px auto 0;font-size:9px;display:block}.manual-access{background:#ffffff14;border:1px solid #ffffff1a;border-radius:6px;gap:6px;padding:14px;display:grid}.manual-access strong{color:#e5c28d;font-size:11px}.manual-access span{color:#a9bfbb;font-size:9px}.admin-gate{max-width:520px}.admin-gate .login-card{max-width:430px}.student-admin-stack{gap:16px;display:grid}.student-form{grid-template-columns:1fr 1fr 1fr auto;align-items:end;gap:10px;margin-top:18px;display:grid}.student-form label{color:#73807b;font-size:9px}.student-form input{border:1px solid #d8dcd7;border-radius:6px;width:100%;margin-top:6px;padding:10px;font-size:10px;display:block}.student-form .primary{height:36px}.admin-message{color:#13766e;background:#edf7f3;border-radius:5px;padding:9px;font-size:9px}.student-actions{flex-wrap:wrap;gap:4px;display:flex}.student-actions button{color:#126f68;background:#fff;border:1px solid #d0d9d4;border-radius:4px;padding:4px 6px;font-size:8px}.student-actions button.danger-action{color:#a64d3d;border-color:#e5cfc9}.admin-tabs{border-bottom:1px solid #dadcd6;gap:5px;margin-bottom:20px;display:flex}.admin-tabs button{color:#7d8581;background:0 0;border:0;border-bottom:2px solid #0000;padding:10px 16px;font-size:10px}.admin-tabs button.active{color:#0d756c;border-color:#0d756c}.admin-upload-actions{gap:8px;display:flex}.secondary{color:#175f5b;background:#fff;border:1px solid #ced6d1;border-radius:6px;padding:9px 13px;font-size:9px}.admin-metrics{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px;display:grid}.admin-metrics article{background:#fff;border:1px solid #e0e2dc;border-radius:9px;padding:18px}.admin-metrics span,.admin-metrics strong,.admin-metrics small{display:block}.admin-metrics span{color:#828c87;font-size:9px}.admin-metrics strong{margin:9px 0;font-family:Georgia;font-size:23px;font-weight:400}.admin-metrics small{color:#168178;font-size:8px}.teacher-grid{grid-template-columns:1.2fr .8fr;gap:16px;display:grid}.teacher-panel{padding:20px}.teacher-panel h3{margin:0 0 14px;font-family:Georgia,Songti SC,serif;font-size:15px;font-weight:500}.attention-row{border-top:1px solid #ecece7;align-items:center;gap:10px;padding:13px 0;display:flex}.attention-row>b{color:#b57b34;font-family:Georgia;font-size:20px}.attention-row>span{flex:1;font-size:9px}.attention-row button{color:#0e756c;background:0 0;border:0;font-size:9px}.kb-status{border-top:1px solid #ecece7;justify-content:space-between;padding:13px 0;font-size:9px;display:flex}.kb-status span{color:#818a86}.student-table{margin-top:15px}.student-row{border-top:1px solid #ecece7;grid-template-columns:1fr 1.2fr .8fr 1fr .7fr;align-items:center;padding:12px 0;font-size:9px;display:grid}.student-row.header{color:#8e9692;font-size:8px}.student-row span:first-child{align-items:center;gap:7px;display:flex}.student-row i{color:#12746c;background:#dcebe7;border-radius:50%;place-items:center;width:26px;height:26px;font-style:normal;display:grid}.memory-panel{padding:24px}.memory-note{color:#64706c;background:#f1f5f2;border-left:3px solid #17847a;padding:12px;font-size:9px;line-height:1.7}.memory-list>div{border-top:1px solid #ecece7;grid-template-columns:80px 1fr auto;align-items:center;gap:12px;padding:14px 3px;display:grid}.memory-list span{color:#16776f;text-align:center;background:#e2f0ec;border-radius:4px;padding:5px;font-size:8px}.memory-list p{margin:0;font-size:10px}.memory-list small{color:#929a96;font-size:8px}.empty-state{text-align:center;border-top:1px solid #ecece7;margin-top:15px;padding:55px 20px}.empty-state strong{font-family:Georgia,Songti SC,serif;font-size:15px;font-weight:500}.empty-state p{color:#8b9490;max-width:420px;margin:9px auto;font-size:9px;line-height:1.7}.secondary:disabled{opacity:.45;cursor:not-allowed}@media (width<=950px){.app-shell{grid-template-columns:200px 1fr}.sidebar{width:200px}.content{padding:35px 28px}.point-grid,.library-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}.coach-card{text-align:left;grid-template-columns:auto 1fr;column-gap:16px;display:grid}.coach-orb{grid-row:1/4}.coach-card h2{margin-top:0}.suggestions,.ask-btn{grid-column:1/-1}.chat-layout{grid-template-columns:170px 1fr}.plan-builder,.admin-metrics{grid-template-columns:repeat(2,1fr)}.execution-strategy{grid-template-columns:1fr 1fr}.execution-strategy>i{display:none}.week-roadmap{grid-template-columns:repeat(2,1fr)}}@media (width<=700px){.app-shell{display:block}.sidebar{display:none}main{grid-column:auto}.topbar{height:60px;padding:0 16px}.mobile-logo{display:block}.mobile-logo .logo-mark{color:#fff;background:var(--navy);width:32px;height:32px;font-size:15px}.mobile-logo .logo strong{color:var(--navy);font-size:15px}.mobile-logo .logo small,.crumb,.search,.bell{display:none}.content{padding:25px 16px 88px}.hero-row{align-items:flex-start}.hero-row h1{font-size:25px}.exam-count{text-align:right;padding:0;display:block}.exam-count span,.exam-count strong,.exam-count small{display:inline}.exam-count i{display:none}.dashboard-grid,.plan-grid,.account-grid,.teacher-grid,.daily-execution,.point-grid,.library-grid{grid-template-columns:1fr}.point-card p{height:auto}.stats-strip{grid-template-columns:repeat(2,1fr);row-gap:18px}.stats-strip div:nth-child(2){border:0}.review-section{margin-top:25px}.mobile-nav{z-index:20;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff0;border-top:1px solid #dedfd9;grid-template-columns:repeat(4,1fr);height:66px;display:grid;position:fixed;bottom:0;left:0;right:0}.mobile-nav button{color:#7c8682;background:0 0;border:0;font-size:8px}.mobile-nav span{margin-bottom:3px;font-size:18px;display:block}.mobile-nav button.active{color:#0c756c}.chat-content{height:calc(100vh - 60px);padding:0 0 65px}.chat-layout{display:block}.chat-history{display:none}.chat-title{padding:0 14px}.messages{padding:20px 15px}.chat-form{width:calc(100% - 24px);margin-bottom:12px}.bubble{max-width:calc(100vw - 78px)}.page-intro h1{font-size:27px}.library-head{align-items:center}.file-row{grid-template-columns:1fr auto}.file-row>span:nth-child(2),.file-row>span:nth-child(3){display:none}.pipeline{grid-template-columns:1fr 1fr;gap:15px;display:grid}.pipeline>i{display:none}.coach-card{text-align:center;display:block}.coach-orb{margin:auto}.coach-card h2{margin-top:14px}.plan-builder,.admin-metrics,.checkin-grid,.execution-strategy,.week-roadmap,.student-form{grid-template-columns:1fr}.plan-view-toggle{display:none}.admin-tabs{overflow:auto}.admin-tabs button{white-space:nowrap}.student-row{grid-template-columns:1fr 1fr}.student-row span:nth-child(3),.student-row span:nth-child(4){display:none}.student-row span:nth-child(5){grid-column:1/-1;margin-top:8px}.memory-list>div{grid-template-columns:70px 1fr}.memory-list small{display:none}.day-detail{position:static}}.knowledge-file-controls{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.replace-toggle{color:#66736f;align-items:center;gap:6px;font-size:9px;display:flex}.replace-toggle input{accent-color:#14877d}.file-row{grid-template-columns:2.1fr .7fr .6fr .9fr .45fr}.file-actions button{color:#a0523e;background:#fff;border:1px solid #dfc9c2;border-radius:5px;padding:5px 9px;font-size:8px}.auto-subject{color:#73807c;background:#f0f3ef;border-radius:5px;padding:7px 10px;font-size:9px}.knowledge-explain{background:#edf5f2;border-left:3px solid #14877d;border-radius:5px;align-items:flex-start;gap:12px;margin-top:14px;padding:12px 14px;font-size:9px;line-height:1.7;display:flex}.knowledge-explain strong{white-space:nowrap;color:#0f7069}.knowledge-explain span{color:#61706c}.upload-notice{color:#126f68;background:#e4f2ed;border-radius:5px;margin:12px 0 0;padding:9px 12px;font-size:9px}.indexed-pages{color:#8a9692;margin-top:5px;font-size:8px;display:block}.upload-purpose-picker{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px;display:grid}.upload-purpose-picker button{text-align:left;color:#52615d;background:#fff;border:1px solid #d7dcd8;border-radius:9px;padding:14px 16px}.upload-purpose-picker button.active{background:#e8f3ef;border-color:#14877d;box-shadow:inset 0 0 0 1px #14877d}.upload-purpose-picker strong,.upload-purpose-picker span{display:block}.upload-purpose-picker strong{color:#18383a;font-size:11px}.upload-purpose-picker span{color:#7b8783;margin-top:5px;font-size:9px}.file-purpose{color:#0f7069;margin-bottom:5px;font-size:8px;display:block}.generated-points{color:#a46f27;margin-top:5px;font-size:8px;display:block}@media (width<=700px){.knowledge-file-controls{justify-content:flex-start;margin-top:10px}.file-card .card-head{flex-direction:column;align-items:flex-start}.file-row{grid-template-columns:1fr auto}.file-row>span:nth-child(2),.file-row>span:nth-child(3),.file-row>span:nth-child(4){display:none}}.site-footer{color:#8b9490;justify-content:center;align-items:center;gap:8px;min-height:58px;padding:16px 24px 22px;font-size:11px;display:flex}.site-footer a{color:#60736f;text-decoration:none}.site-footer a:hover{color:#0c756c;text-decoration:underline}@media (width<=700px){.site-footer{padding:14px 16px 82px;font-size:10px}}.manual-access .contact-info{color:#fff;word-break:break-all;border-top:1px solid #ffffff1a;margin-top:4px;padding-top:8px}.contact-settings{grid-column:1/-1}.contact-settings>p{color:#75827d;font-size:10px}.contact-setting-row{grid-template-columns:150px minmax(220px,1fr) auto;align-items:end;gap:10px;margin-top:14px;display:grid}.contact-setting-row label{color:#66736f;font-size:9px}.contact-setting-row input{box-sizing:border-box;border:1px solid #d8dcd7;border-radius:6px;width:100%;min-width:0;margin-top:6px;padding:10px;font-size:10px;display:block}.contact-setting-row button{white-space:nowrap}@media (width<=700px){.contact-setting-row{grid-template-columns:1fr}}.exam-count{background:#ffffff94;border:1px solid #183a361a;border-radius:12px;flex-direction:column;align-items:stretch;gap:12px;min-width:238px;padding:15px 17px;display:flex;box-shadow:0 10px 30px #192b280e}.goal-date-row{cursor:pointer;border-bottom:1px solid #e2e3dc;justify-content:space-between;align-items:center;gap:18px;padding-bottom:10px;display:flex}.goal-date-row span{color:#7d8884;letter-spacing:1px;font-size:9px}.goal-date-row input{color:#24433f;text-align:right;cursor:pointer;background:0 0;border:0;outline:none;width:112px;font-size:11px;font-weight:600}.countdown-row{justify-content:space-between;align-items:flex-end;gap:20px;display:flex}.countdown-row>span{color:#7d8884;letter-spacing:.5px;padding-bottom:7px;font-size:10px}.countdown-value{align-items:baseline;gap:5px;display:flex}.countdown-value strong{color:#c48639;font-family:Georgia,Songti SC,serif;font-size:42px;font-weight:500;line-height:.9}.countdown-value small{color:#8d683d;font-size:10px}.student-form select{color:#243b38;background:#fff;border:1px solid #d8dcd7;border-radius:6px;outline:none;width:100%;margin-top:6px;padding:10px;font-size:10px;display:block}@media (width<=700px){.exam-count{text-align:left;gap:9px;min-width:175px;padding:12px 13px;display:flex}.goal-date-row{gap:8px;padding-bottom:8px}.goal-date-row input{width:100px;font-size:10px}.countdown-row{gap:10px}.countdown-value strong{font-size:34px}.countdown-row>span{padding-bottom:5px;font-size:9px}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}.side-course{color:#fff;text-align:left;width:100%;transition:background .18s,border-color .18s,transform .18s}.side-course:hover,.side-course:focus-visible{background:#ffffff13;border-color:#43c1b173;outline:none;transform:translateY(-1px)}.profile{border-radius:8px;padding:7px 5px;transition:background .18s}.profile:hover,.profile:focus-visible{background:#ffffff12;outline:none}.progress-modal{z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#071f21ad;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.progress-editor{width:min(430px,100%);padding:30px}.progress-editor h2{margin:9px 0 7px;font-family:Georgia,Songti SC,serif;font-size:24px;font-weight:500}.progress-editor>p{color:#7c8782;margin:0;font-size:11px;line-height:1.7}.progress-number{text-align:center;color:#0d766d;margin:24px 0 10px}.progress-number strong{font-family:Georgia,serif;font-size:48px;font-weight:400}.progress-number small{margin-left:4px;font-size:14px}.progress-editor>input[type=range]{accent-color:#168178;width:100%}.progress-editor>label{color:#727d78;align-items:center;gap:8px;margin-top:18px;font-size:10px;display:flex}.progress-editor>label input{border:1px solid #d5dbd7;border-radius:6px;width:86px;margin-left:auto;padding:9px}.progress-actions{grid-template-columns:1fr 1fr;gap:9px;margin-top:24px;display:grid}.progress-actions button{color:#52615c;background:#fff;border:1px solid #ccd5d0;border-radius:6px;padding:11px;font-size:10px}.progress-actions button:last-child{color:#fff;background:#173b3d;border-color:#173b3d}@media (width<=700px){.progress-editor{padding:24px}}.top-account{position:relative}.account-trigger{border:0}.account-trigger:hover,.account-trigger:focus-visible{outline:none;box-shadow:0 0 0 4px #16817821}.account-popover{z-index:30;background:#fff;border:1px solid #dfe3de;border-radius:11px;width:260px;padding:16px;position:absolute;top:calc(100% + 12px);right:0;box-shadow:0 18px 50px #142d292b}.account-popover:before{content:"";background:#fff;border-top:1px solid #dfe3de;border-left:1px solid #dfe3de;width:11px;height:11px;position:absolute;top:-6px;right:11px;transform:rotate(45deg)}.account-popover-head{align-items:center;gap:10px;display:flex}.account-popover-head>span{color:#fff;background:#d1ab75;border-radius:50%;flex:none;place-items:center;width:38px;height:38px;font-family:Georgia,serif;display:grid}.account-popover-head strong,.account-popover-head small{display:block}.account-popover-head strong{font-size:12px}.account-popover-head small{color:#89928e;text-overflow:ellipsis;white-space:nowrap;max-width:170px;margin-top:3px;font-size:9px;overflow:hidden}.account-popover-status{background:#eef6f2;border-radius:7px;gap:4px;margin:14px 0 10px;padding:11px;display:grid}.account-popover-status span,.account-popover-status small{color:#6f807a;font-size:8px}.account-popover-status strong{color:#116f68;font-size:10px}.account-popover>button{color:#145f5a;background:#fff;border:1px solid #d5dcd7;border-radius:6px;width:100%;margin-top:6px;padding:9px;font-size:9px}.account-popover>button:hover{background:#f2f6f3}.account-popover>button.logout-action{color:#a15342;border-color:#ead9d4}@media (width<=700px){.account-popover{width:min(260px,100vw - 28px);right:-4px}}.plan-builder.ai-builder{grid-template-columns:repeat(4,minmax(0,1fr))}.plan-builder.ai-builder>button{min-height:36px}.plan-builder button:disabled,.subject-plans button:disabled{cursor:wait;opacity:.65}.plan-message{color:#16786f;margin:-7px 0 18px;font-size:10px}.ai-plan-result{margin-bottom:26px;padding:24px}.ai-plan-head,.ai-plan-head>div,.subject-plans article>div{justify-content:space-between;align-items:center;display:flex}.ai-plan-head>div{gap:9px}.ai-plan-head h2{margin:0;font-family:Georgia,Songti SC,serif;font-size:19px;font-weight:500}.ai-plan-head>span{color:#17796f;font-size:9px}.ai-plan-result>p{color:#65736e;font-size:11px;line-height:1.8}.plan-constraints{flex-wrap:wrap;gap:7px;margin:14px 0 18px;display:flex}.plan-constraints span{color:#176f68;background:#eaf3ef;border-radius:99px;padding:6px 9px;font-size:8px}.subject-plans{grid-template-columns:repeat(2,1fr);gap:11px;display:grid}.subject-plans article{background:#fafbf8;border:1px solid #dfe4df;border-radius:8px;padding:16px}.subject-plans article strong{font-family:Georgia,Songti SC,serif;font-size:14px}.subject-plans article small{color:#168178;font-size:8px}.subject-plans article h3{margin:11px 0;font-size:10px}.subject-plans article ol{color:#66736e;margin:0;padding-left:18px;font-size:9px;line-height:1.9}.subject-plans article button{color:#116e67;background:#fff;border:1px solid #bcd3cc;border-radius:5px;width:100%;margin-top:12px;padding:8px;font-size:8px}.catch-up{background:#f8f2e8;border-left:3px solid #d1a76b;margin-top:14px;padding:13px 15px}.catch-up strong{font-size:10px}.catch-up p{color:#776c5e;margin:4px 0 0;font-size:9px;line-height:1.6}.knowledge-card.clickable{cursor:pointer;transition:transform .18s,box-shadow .18s}.knowledge-card.clickable:hover,.knowledge-card.clickable:focus-visible{outline:none;transform:translateY(-2px);box-shadow:0 12px 28px #173d381c}.knowledge-actions{border-top:1px solid #ecece7;grid-template-columns:1fr 1fr;gap:7px;margin-top:13px;padding-top:12px;display:grid}.knowledge-actions button{color:#126e68;background:#fff;border:1px solid #cad8d3;border-radius:5px;padding:8px 5px;font-size:8px}.knowledge-actions button:last-child{color:#fff;background:#173b3d;border-color:#173b3d}.knowledge-detail{width:min(640px,100vw - 30px);max-height:calc(100vh - 50px);padding:30px;position:relative;overflow:auto}.knowledge-detail h2{margin:8px 0;font-family:Georgia,Songti SC,serif;font-size:27px;font-weight:500}.knowledge-summary{color:#75817c;font-size:11px}.knowledge-detail h3{margin:24px 0 10px;font-family:Georgia,Songti SC,serif;font-size:15px;font-weight:500}.knowledge-detail ol{margin:0;padding-left:22px}.knowledge-detail li{color:#4f5f59;margin:9px 0;font-size:11px;line-height:1.7}.modal-close{color:#5d6965;background:#eef1ed;border:0;border-radius:50%;width:31px;height:31px;font-size:20px;position:absolute;top:16px;right:17px}.plain-example,.exam-tip{border-radius:7px;margin-top:16px;padding:15px}.plain-example{background:#edf6f2}.exam-tip{background:#f8f1e6}.plain-example strong,.exam-tip strong{font-size:10px}.plain-example p,.exam-tip p{color:#66736e;margin:5px 0 0;font-size:10px;line-height:1.7}.knowledge-ai{color:#fff;background:#173b3d;border:0;border-radius:6px;width:100%;margin-top:18px;padding:12px;font-size:10px}@media (width<=950px){.plan-builder.ai-builder{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=700px){.plan-builder.ai-builder,.subject-plans{grid-template-columns:1fr}.knowledge-detail{padding:24px 20px}}