@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700&family=Plus+Jakarta+Sans:wght@600;700&family=Inter:wght@400;500&display=swap');
:root{
  --color-primary:#5B3FD6;
  --color-primary-medium:#7C5CFF;
  --color-text-primary:#1C1B29;
  --color-text-secondary:#4A465C;
  --color-bg-main:#F8F7FC;
  --color-bg-soft:#EDE9FE;
  --color-white:#FFFFFF;

  --bg:var(--color-bg-main);
  --surface:var(--color-white);
  --card:var(--color-white);
  --card2:var(--color-bg-soft);
  --border:#E2D9F4;
  --text:var(--color-text-primary);
  --muted:var(--color-text-secondary);
  --dim:#5F586F;
  --lilac:var(--color-text-primary);
  --lilacDim:var(--color-text-primary);
  --lilacBg:var(--color-bg-soft);
  --lilac-08:rgba(28,27,41,0.06);
  --lilac-10:rgba(28,27,41,0.08);
  --lilac-15:rgba(28,27,41,0.12);
  --lilac-18:rgba(28,27,41,0.14);
  --lilac-20:rgba(28,27,41,0.16);
  --lilac-30:rgba(28,27,41,0.22);
  --lilac-40:rgba(28,27,41,0.28);
  --ink:var(--color-text-primary);
  --overlay:rgba(28,27,41,0.08);
}
  *{box-sizing:border-box;margin:0;padding:0;}
  html,body,#root{min-height:100vh;background:var(--bg);color:var(--color-text-secondary);font-family:'Inter',sans-serif;line-height:1.5;}
  ::-webkit-scrollbar{width:4px;} ::-webkit-scrollbar-track{background:var(--bg);} ::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px;}
  .syne{font-family:'Plus Jakarta Sans',sans-serif;}
  .logo{display:inline-flex;align-items:center;gap:8px;font-family:'Syne',sans-serif;font-weight:700;letter-spacing:-0.02em;color:var(--color-text-primary);}
  .logo-icon{display:inline-flex;color:var(--color-text-primary);}
  .logo-icon svg{width:18px;height:18px;display:block;}
  .logo-text{color:var(--color-text-primary);}
  @keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
  @keyframes fadeIn{from{opacity:0}to{opacity:1}}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
  @keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
  @keyframes pop{0%{transform:scale(.8);opacity:0}70%{transform:scale(1.1)}100%{transform:scale(1);opacity:1}}
  .fu{animation:fadeUp .45s ease both;} .fi{animation:fadeIn .35s ease both;} .pop{animation:pop .4s ease both;}
  .btn{cursor:pointer;border:none;font-family:'Inter',sans-serif;transition:all .2s;}
  .btn-primary{background:var(--color-primary);color:var(--color-white);padding:14px 24px;border-radius:12px;font-weight:600;font-size:14px;letter-spacing:.01em;}
  .btn-primary:hover{background:#4C32C4;transform:translateY(-1px);}
  .btn-ghost{background:transparent;color:var(--color-primary-medium);border:1px solid var(--color-primary-medium);padding:14px 24px;border-radius:12px;font-size:14px;font-weight:600;}
  .btn-ghost:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-bg-soft);}
  .card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;}
  .tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:100px;font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;}
  .shimmer{background:linear-gradient(90deg,var(--border) 25%,var(--card2) 50%,var(--border) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:4px;}
  input,textarea,select{background:var(--surface);border:1px solid var(--border);color:var(--color-text-primary);padding:12px 14px;border-radius:9px;font-family:'Inter',sans-serif;font-size:14px;outline:none;transition:border-color .2s;width:100%;}
  input::placeholder,textarea::placeholder{color:var(--muted);} input:focus,textarea:focus,select:focus{border-color:var(--color-primary);} select option{background:var(--surface);}
  .app-wrap{display:flex;min-height:100vh;background:var(--bg);}
  .sidebar{width:230px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 0;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto;}
  .main{flex:1;padding:36px 44px;overflow-y:auto;max-width:960px;}
  .bottom-nav{display:none;}
  .quiz-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:32px 20px;background:var(--bg);}
  .kanban{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
  .kanban-col{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px;}
  .grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
  .habit-dots{display:flex;flex-wrap:wrap;gap:4px;} .hdot{width:12px;height:12px;border-radius:3px;}
  .xp-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden;}
  .xp-fill{height:100%;background:linear-gradient(90deg,var(--color-text-primary),var(--color-text-secondary));border-radius:3px;transition:width .8s ease;}
  .chat-wrap{display:flex;flex-direction:column;height:calc(100vh - 180px);max-height:580px;}
  .chat-messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding-bottom:12px;}
  .msg-user{align-self:flex-end;background:var(--color-bg-soft);color:var(--color-text-primary);padding:10px 16px;border-radius:16px 16px 4px 16px;max-width:75%;font-size:14px;line-height:1.5;font-weight:500;}
  .msg-ai{align-self:flex-start;background:var(--card2);border:1px solid var(--border);padding:10px 16px;border-radius:16px 16px 16px 4px;max-width:80%;font-size:14px;line-height:1.6;}
  .scenario-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;cursor:pointer;transition:all .2s;}
  .scenario-card:hover,.scenario-card.active{border-color:var(--border);background:var(--card2);}
  @media(max-width:680px){
    .sidebar{display:none;}
    .bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);z-index:100;height:60px;}
    .bottom-nav button{flex:1;background:none;border:none;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;cursor:pointer;font-family:'Inter',sans-serif;font-size:9px;padding:6px 2px;transition:color .15s;border-top:2px solid transparent;}
    .bottom-nav button.active{color:var(--color-text-primary);border-top-color:var(--color-text-primary);}
    .bottom-nav .nav-icon{font-size:17px;}
    .main{padding:18px 14px 72px;} .kanban{grid-template-columns:1fr;} .grid2{grid-template-columns:1fr;} .grid3{grid-template-columns:1fr 1fr;}
    .drawer-overlay{display:block;}
    input,textarea,select{font-size:16px!important;}
  }
  .drawer-overlay{display:none;position:fixed;inset:0;z-index:200;background:var(--overlay);backdrop-filter:blur(4px);}
  .drawer{position:fixed;bottom:0;left:0;right:0;z-index:201;background:var(--surface);border-top:1px solid var(--border);border-radius:20px 20px 0 0;padding:12px 0 80px;max-height:80vh;overflow-y:auto;transform:translateY(100%);transition:transform .3s cubic-bezier(0.16,1,0.3,1);}
  .drawer.open{transform:translateY(0);}
  .drawer-handle{width:36px;height:4px;background:var(--border);border-radius:2px;margin:0 auto 16px;}
  .drawer-user{display:flex;align-items:center;gap:12px;padding:0 20px 16px;border-bottom:1px solid var(--border);margin-bottom:8px;}
  .drawer-group-label{font-size:9px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;padding:10px 20px 4px;font-weight:600;}
  .drawer-item{width:100%;background:none;border:none;color:var(--muted);padding:11px 20px;text-align:left;font-family:'Inter',sans-serif;font-size:14px;display:flex;align-items:center;gap:10px;cursor:pointer;transition:all .15s;border-left:3px solid transparent;}
  .drawer-item.active{color:var(--color-text-primary);background:var(--color-bg-soft);border-left-color:var(--color-text-primary);}
  .drawer-item:hover{color:var(--color-text-primary);background:var(--card2);}