@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap');
:root{font-family:'DM Sans',sans-serif;font-size:16px;color-scheme:light;--bg:#f7f8fc;--surface:#fff;--text:#242842;--muted:#6d7790;--line:#dfe3ef;--accent:#434ddd;--active:#ecefff;--active-text:#3b45c2;--soft:#edf0ff;--avatar:#e6eaff;--shadow:#24295a07;color:var(--text);background:var(--bg)}
:root[data-theme=dark]{color-scheme:dark;--bg:#141722;--surface:#1c2030;--text:#edf0fb;--muted:#a2acc5;--line:#33394f;--accent:#747ffc;--active:#303755;--active-text:#bac2ff;--soft:#232b48;--avatar:#344268;--shadow:#0002}
*{box-sizing:border-box}body{margin:0;display:flex;min-height:100vh}button,input,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:8px;padding:10px 14px}button:hover{background:var(--active)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:3px}input,select{background:var(--surface);color:var(--text);min-width:0}input::placeholder{color:var(--muted)}.sidebar{width:264px;background:var(--surface);border-right:1px solid var(--line);padding:28px 20px;display:flex;flex-direction:column;position:fixed;height:100vh}.brand{font-family:Manrope,sans-serif;font-size:25px;font-weight:800;letter-spacing:-1px;display:flex;gap:9px;align-items:center;text-decoration:none;color:var(--text)}.mark{background:var(--accent);color:white;width:33px;height:36px;border-radius:10px;font-size:30px;text-align:center;line-height:32px}.demo{font-family:'DM Sans',sans-serif;font-size:11px;letter-spacing:1px;color:var(--muted);border:1px solid var(--line);padding:3px;border-radius:4px}.school{margin:32px 10px 23px;font-size:12px;letter-spacing:1.4px;font-weight:700;color:var(--muted)}.school span{display:block;font-size:11px;margin-top:6px}.nav{width:100%;text-align:left;border:0;display:flex;gap:12px;margin-bottom:7px;background:transparent;font-size:15px}.nav.active{background:var(--active);color:var(--active-text);font-weight:700}.new-chat{margin:18px 0 3px;font-size:14px}.chat-list{overflow-y:auto;flex:1;min-height:80px}.section-label{font-size:12px;color:var(--muted);letter-spacing:1.1px;margin:25px 12px 9px}.room{border:0;background:transparent;width:100%;text-align:left;padding:10px 12px;color:var(--muted);font-size:15px;overflow-wrap:anywhere}.room.active{color:var(--active-text);font-weight:700;background:var(--active)}.room span{margin-right:10px;font-size:20px;color:var(--muted)}.side-bottom{border-top:1px solid var(--line);padding-top:19px;margin-top:18px;display:flex;gap:11px;align-items:center}.side-bottom small{display:block;font-size:12px;color:var(--muted);margin-top:4px}.avatar{width:39px;height:39px;border-radius:13px;background:var(--avatar);color:var(--active-text);display:grid;place-items:center;font-size:14px;font-weight:700;flex-shrink:0}.theme{margin-top:16px;text-align:left;font-size:14px;color:var(--muted)}main{margin-left:264px;padding:38px 6%;width:calc(100% - 264px);max-width:1600px}header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:27px;border-bottom:1px solid var(--line)}.eyebrow{font-size:12px;letter-spacing:1.5px;color:var(--muted);margin:0 0 9px;font-weight:700}h1,h2{font-family:Manrope,sans-serif;letter-spacing:-.7px}h1{font-size:30px;margin:0;overflow-wrap:anywhere}.members{font-size:14px;color:var(--muted);margin:10px 0 0}.members:empty{display:none}.sample-badge{font-size:12px;padding:7px 12px;border:1px solid var(--line);border-radius:20px;color:var(--muted);white-space:nowrap}.date{font-size:12px;letter-spacing:1.2px;color:var(--muted);text-align:center;margin:30px 0}.message{display:flex;gap:14px;margin:27px 0;max-width:800px}.message-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.message-head strong{font-size:15px}.time{font-size:12px;color:var(--muted)}.message p{margin:7px 0;color:var(--text);line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}.link{border:0;background:transparent;padding:0;text-decoration:underline;font-size:inherit;color:var(--active-text)}#composer{display:flex;gap:12px;background:var(--surface);border:1px solid var(--line);box-shadow:0 6px 16px var(--shadow);border-radius:12px;padding:10px 12px;margin-top:36px}#message{border:0;background:transparent;flex:1;padding:10px}.primary{background:var(--accent);color:white;border:0;font-weight:600}.primary:hover{background:var(--accent);filter:brightness(.92)}.fine{display:flex;gap:5px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:12px;line-height:1.6;margin:13px 2px}.fine span{width:100%}.review-banner{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;background:var(--soft);border-radius:9px;padding:16px;margin-top:24px;font-size:14px;color:var(--active-text)}.account-intro{margin:40px 0 28px}.lookup-icon{display:grid;place-items:center;width:48px;height:48px;background:var(--soft);color:var(--active-text);border-radius:14px;font-size:26px}.account-intro h2{font-size:26px;margin:19px 0 10px}.account-intro p{color:var(--muted);line-height:1.7}.lookup{max-width:690px}.lookup>label{font-size:14px;font-weight:600;display:block;margin-bottom:10px}.lookup>div{display:flex;gap:12px}.lookup input{flex:1;width:100%;padding:14px;border:1px solid var(--line);border-radius:9px}.hint{font-size:13px;color:var(--muted);line-height:1.8}.account-card{display:flex;gap:14px;align-items:center;border-top:1px solid var(--line);padding-top:27px;margin-top:30px;flex-wrap:wrap}.account-card h2{font-size:19px;margin:0}.account-card p{font-size:14px;color:var(--muted);margin:6px 0}.account-card>span{margin-left:auto;font-size:13px;color:var(--muted)}.account-actions{display:flex;gap:10px;margin:18px 0}.account-actions button{font-size:13px}.conversation-card{display:flex;align-items:center;gap:16px;text-align:left;width:100%;padding:20px;margin:12px 0;border-radius:12px}.chat-symbol{display:grid;place-items:center;background:var(--soft);width:40px;height:40px;border-radius:12px;color:var(--active-text);flex-shrink:0;font-size:23px}.conversation-card strong{font-size:16px;overflow-wrap:anywhere}.conversation-card small{display:block;color:var(--muted);font-size:13px;margin-top:7px}.open-label{margin-left:auto;white-space:nowrap;color:var(--active-text);font-size:14px}.empty{padding:32px;text-align:center;color:var(--muted);line-height:1.7}#toast{position:fixed;bottom:24px;right:24px;background:var(--text);color:var(--bg);padding:12px 20px;border-radius:9px;display:none;font-size:14px;max-width:90vw}dialog{border:1px solid var(--line);background:var(--surface);border-radius:16px;max-width:480px;width:calc(100% - 32px);padding:28px;line-height:1.65;color:var(--text)}dialog::backdrop{background:#080e226e}dialog h2{font-size:24px;margin-top:0}#create-chat>label,#group-name-wrap label{font-size:14px;display:block;margin-top:18px;margin-bottom:7px}dialog select,dialog input:not([type=checkbox]):not([type=radio]){width:100%;padding:10px;border:1px solid var(--line);border-radius:8px}fieldset{border:0;padding:0;margin:22px 0 0}legend{font-size:14px;margin-bottom:10px}.person-choice{display:flex;gap:14px;align-items:center;padding:9px;border-radius:9px}.person-choice:hover{background:var(--soft)}.person-choice input{accent-color:var(--accent);width:18px;height:18px}.person-choice strong{font-size:14px}.person-choice small{display:block;color:var(--muted);font-size:12px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}#create-error{color:#d17179;font-size:14px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}
@media(max-width:900px){.sidebar{width:210px;padding:24px 13px}.brand{font-size:21px}main{margin-left:210px;width:calc(100% - 210px);padding:28px 5%}.sample-badge{display:none}.lookup>div{flex-wrap:wrap}.lookup input{flex-basis:100%}.lookup button{flex-shrink:0}}
@media(max-width:600px){body{display:block}.sidebar{position:relative;width:100%;height:auto;padding:18px;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:23px}.school,.side-bottom{display:none}nav{display:flex;gap:8px;margin-top:18px}.nav{margin:0;font-size:14px;justify-content:center}.nav span{white-space:nowrap}.new-chat{margin-top:12px}.chat-list{max-height:180px}.section-label{margin:17px 9px 5px}#groups,#direct{display:flex;overflow-x:auto}.room{width:auto;white-space:nowrap;font-size:14px;padding:8px}.room span{margin-right:5px}.theme{position:absolute;top:10px;right:18px;border:0;font-size:12px}.brand .demo{display:none}main{margin:0;width:100%;padding:25px 18px}h1{font-size:26px}.account-intro{margin-top:28px}.account-intro h2{font-size:23px}#composer{gap:4px;padding:8px}.primary{padding:10px}.account-card>span{margin-left:53px}.conversation-card{padding:16px;gap:10px}.open-label{font-size:12px}.conversation-card strong{font-size:15px}}
/* Account screens share the chat's light and dark tokens. */
.global-theme{position:fixed;right:24px;top:12px;z-index:2;background:var(--surface)}.auth-screen{width:100%;max-width:520px;margin:62px auto;padding:20px}.auth-screen>.brand{justify-content:center;margin-bottom:32px}.auth-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:0 12px 35px var(--shadow)}.auth-card h1{font-size:32px;margin-top:12px}.auth-card>p{font-size:15px;line-height:1.7;color:var(--muted)}.auth-tabs{display:flex;padding:4px;background:var(--bg);border-radius:10px;margin:24px 0}.auth-tabs button{width:50%;background:transparent;border:0}.auth-tabs button[aria-pressed=true]{background:var(--active);color:var(--active-text);font-weight:600}#auth-form label,#mfa-form label{display:block;font-size:14px;font-weight:600;margin:18px 0 8px}#auth-form input,#mfa-form input{width:100%;border:1px solid var(--line);border-radius:9px;padding:13px}#auth-submit{width:100%;margin:23px 0 16px}#forgot{display:block;margin:0 auto;font-size:14px}#auth-form input:disabled{opacity:.55}.setup-note{background:var(--soft);border-radius:10px;padding:17px;font-size:14px;line-height:1.7}.setup-note p{margin:6px 0 12px}.setup-note a{color:var(--active-text)}.auth-privacy{font-size:12px!important;border-top:1px solid var(--line);padding-top:18px;margin-top:23px}.status-message{color:var(--active-text);font-size:14px;line-height:1.6;overflow-wrap:anywhere}#workspace{width:100%}#workspace main{padding-top:65px}#logout{margin-top:16px}#mfa{max-width:560px;margin-bottom:24px}#mfa-secret{display:block;overflow-wrap:anywhere;background:var(--soft);padding:15px;font-size:17px;letter-spacing:1px;user-select:all}#mfa-form button{margin-top:16px}textarea{width:100%;padding:12px;background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:8px;font:inherit;resize:vertical}.hint{color:var(--muted);font-size:13px;line-height:1.6}.message>div{min-width:0}@media(max-width:600px){.auth-screen{margin:55px auto 0;padding:16px}.auth-card{padding:24px}.global-theme{right:12px;top:5px}.auth-card h1{font-size:28px}#workspace .sidebar{padding-top:45px}#workspace main{padding-top:24px}}