.particles-canvas[data-v-b6875b1f]{z-index:0;pointer-events:none;position:fixed;inset:0}.spinner-wrapper[data-v-2454c1bc]{flex-direction:column;align-items:center;gap:8px;padding:24px 0;display:flex}.spinner--left[data-v-2454c1bc]{align-items:flex-start}.spinner--right[data-v-2454c1bc]{align-items:flex-end}.spinner[data-v-2454c1bc]{border:2px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:.7s linear infinite spin-2454c1bc}.spinner--sm[data-v-2454c1bc]{border-width:2px;width:16px;height:16px}.spinner--md[data-v-2454c1bc]{border-width:2.5px;width:24px;height:24px}.spinner--lg[data-v-2454c1bc]{border-width:3px;width:36px;height:36px}.spinner-label[data-v-2454c1bc]{color:var(--color-text-secondary);margin:0;font-size:.8125rem}@keyframes spin-2454c1bc{to{transform:rotate(360deg)}}.ara-container[data-v-076d0e3e]{z-index:200;animation:content-in-076d0e3e var(--duration-slow) var(--ease-out) both;position:fixed;bottom:24px;right:24px}@keyframes content-in-076d0e3e{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.ara-bubble[data-v-076d0e3e]{background:var(--color-accent);color:#fff;cursor:pointer;width:46px;height:46px;transition:transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out);border:none;border-radius:50%;justify-content:center;align-items:center;display:flex;position:relative;box-shadow:0 4px 20px #3b7ef466}.ara-bubble[data-v-076d0e3e]:hover{transform:scale(1.1);box-shadow:0 6px 28px #3b7ef48c}.ara-bubble--active[data-v-076d0e3e]{background:var(--color-surface-raised);color:var(--color-text-muted);box-shadow:0 2px 12px #0003}.ara-bubble--active[data-v-076d0e3e]:hover{color:var(--color-error);box-shadow:0 2px 14px #00000040}.ara-bubble[data-v-076d0e3e]:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}.ara-badge[data-v-076d0e3e]{background:var(--color-error);color:#fff;z-index:1;border:2px solid var(--color-bg);border-radius:10px;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 5px;font-size:.68rem;font-weight:700;line-height:1;display:flex;position:absolute;top:-6px;right:-6px;box-shadow:0 2px 6px #00000059}.ara-panel[data-v-076d0e3e]{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);flex-direction:column;width:420px;height:520px;max-height:calc(100dvh - 140px);display:flex;position:absolute;bottom:52px;right:0;overflow:hidden;box-shadow:0 16px 48px #00000073,0 4px 16px #0003}@media (width<=640px){.ara-container[data-v-076d0e3e]{bottom:16px;right:12px}.ara-panel[data-v-076d0e3e]{border-radius:var(--radius-lg) var(--radius-lg) 0 0;width:calc(100vw - 24px);height:65dvh;right:-2px}.ara-bubble[data-v-076d0e3e]{width:42px;height:42px}}@media (width>=641px) and (width<=1024px){.ara-panel[data-v-076d0e3e]{width:380px;height:480px}}.ara-header[data-v-076d0e3e]{border-bottom:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0;align-items:center;gap:10px;padding:12px 14px;display:flex}.ara-header-icon[data-v-076d0e3e]{border-radius:var(--radius-sm);background:var(--color-accent-dim);width:32px;height:32px;color:var(--color-accent);flex-shrink:0;justify-content:center;align-items:center;display:flex}.ara-header-text[data-v-076d0e3e]{flex-direction:column;flex:1;gap:1px;min-width:0;display:flex}.ara-header-title[data-v-076d0e3e]{color:var(--color-text);text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:.85rem;font-weight:700;line-height:1.3;overflow:hidden}.ara-header-sub[data-v-076d0e3e]{color:var(--color-text-muted);margin:0;font-size:.65rem;line-height:1.3}.ara-back[data-v-076d0e3e]{border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-secondary);cursor:pointer;background:0 0;flex-shrink:0;padding:4px 9px;font-size:.9rem;line-height:1}.ara-back[data-v-076d0e3e]:hover{border-color:var(--color-accent);color:var(--color-accent)}.ara-recipient-avatar[data-v-076d0e3e]{background:linear-gradient(135deg, var(--color-accent), var(--color-accent-strong));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:.72rem;font-weight:700;display:flex}.ara-newchat-btn[data-v-076d0e3e]{border-radius:var(--radius-sm);border:1px solid var(--color-border);width:30px;height:30px;color:var(--color-text-secondary);cursor:pointer;transition:border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);background:0 0;padding:0;font-size:1rem;font-weight:600;line-height:1}.ara-newchat-btn[data-v-076d0e3e]:hover{border-color:var(--color-accent);color:var(--color-accent)}.chat-list[data-v-076d0e3e]{flex-direction:column;flex:1;display:flex;overflow-y:auto}.chat-list[data-v-076d0e3e]::-webkit-scrollbar{width:3px}.chat-list[data-v-076d0e3e]::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}.chat-empty[data-v-076d0e3e]{color:var(--color-text-muted);text-align:center;flex:1;justify-content:center;align-items:center;padding:24px 16px;font-size:.8rem;display:flex}.chat-list-item[data-v-076d0e3e]{border:none;border-bottom:1px solid var(--color-border);cursor:pointer;text-align:left;width:100%;font-family:var(--font-sans);transition:background var(--duration-fast) var(--ease-out);background:0 0;align-items:center;gap:10px;padding:10px 14px;display:flex}.chat-list-item[data-v-076d0e3e]:hover{background:var(--color-surface-raised)}.chat-list-item--active[data-v-076d0e3e]{background:var(--color-accent-dim)}.chat-list-avatar[data-v-076d0e3e]{background:linear-gradient(135deg, var(--color-accent), var(--color-accent-strong));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.85rem;font-weight:700;display:flex;position:relative}.chat-list-avatar-dot[data-v-076d0e3e]{background:var(--color-accent);border:2px solid var(--color-bg);border-radius:50%;width:12px;height:12px;position:absolute;bottom:-1px;right:-1px;box-shadow:0 1px 4px #3b7ef466}.chat-list-body[data-v-076d0e3e]{flex:1;min-width:0}.chat-list-top[data-v-076d0e3e]{align-items:center;gap:6px;display:flex}.chat-list-name[data-v-076d0e3e]{color:var(--color-text);text-overflow:ellipsis;white-space:nowrap;font-size:.82rem;font-weight:600;overflow:hidden}.chat-list-pin[data-v-076d0e3e]{flex-shrink:0;font-size:.65rem;line-height:1}.chat-list-role[data-v-076d0e3e]{color:var(--color-accent);background:var(--color-accent-dim);border-radius:var(--radius-pill);flex-shrink:0;padding:1px 6px;font-size:.58rem;font-weight:600;line-height:1.4}.chat-list-role--lecturer[data-v-076d0e3e]{color:var(--color-success);background:var(--color-success-bg)}.chat-list-time[data-v-076d0e3e]{color:var(--color-text-muted);flex-shrink:0;margin-left:auto;font-size:.62rem}.chat-list-preview[data-v-076d0e3e]{color:var(--color-text-muted);text-overflow:ellipsis;white-space:nowrap;margin:3px 0 0;font-size:.72rem;overflow:hidden}.chat-list-preview--hint[data-v-076d0e3e]{color:var(--color-accent);font-style:italic}.chat-list-item--pinned[data-v-076d0e3e]{border-left:2px solid var(--color-accent)}.chat-messages[data-v-076d0e3e]{flex-direction:column;flex:1;min-height:0;display:flex;overflow-y:auto}.chat-messages[data-v-076d0e3e]::-webkit-scrollbar{width:4px}.chat-messages[data-v-076d0e3e]::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}.chat-msg-list[data-v-076d0e3e]{flex-direction:column;flex:1;gap:8px;padding:12px 14px;display:flex}.chat-msg[data-v-076d0e3e]{display:flex}.chat-msg--me[data-v-076d0e3e]{justify-content:flex-end}.chat-msg--them[data-v-076d0e3e]{justify-content:flex-start}.chat-bubble[data-v-076d0e3e]{border-radius:14px;min-width:48px;max-width:80%;padding:9px 13px;font-size:.8125rem;line-height:1.5}.chat-msg--me .chat-bubble[data-v-076d0e3e]{background:var(--color-accent-dim);border:1px solid #3b7ef440;border-bottom-right-radius:4px}.chat-msg--them .chat-bubble[data-v-076d0e3e]{background:var(--color-surface-raised);border:1px solid var(--color-border);border-bottom-left-radius:4px}.chat-text[data-v-076d0e3e]{color:var(--color-text);white-space:pre-wrap;word-break:break-word;margin:0 0 4px;font-size:.8125rem;line-height:1.5}.chat-msg:last-child .chat-text[data-v-076d0e3e]{margin-bottom:0}.chat-typing[data-v-076d0e3e]{align-items:center;padding:2px 14px;display:flex}.chat-typing-text[data-v-076d0e3e]{color:var(--color-text-muted);font-size:.7rem;font-style:italic}.chat-time[data-v-076d0e3e]{color:var(--color-text-muted);text-align:right;opacity:.7;font-size:.6rem;display:block}.chat-input-row[data-v-076d0e3e]{border-top:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0;align-items:center;gap:8px;padding:8px 14px;display:flex}.chat-input[data-v-076d0e3e]{font-size:.8125rem;font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-pill);transition:border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);outline:none;flex:1;padding:9px 14px}.chat-input[data-v-076d0e3e]:focus{border-color:var(--color-accent);box-shadow:0 0 0 2px var(--color-accent-dim)}.chat-input[data-v-076d0e3e]::placeholder{color:var(--color-text-muted)}.chat-send-btn[data-v-076d0e3e]{background:var(--color-accent);color:#fff;cursor:pointer;width:36px;height:36px;transition:background var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.chat-send-btn[data-v-076d0e3e]:hover:not(:disabled){background:var(--color-accent-hover);transform:scale(1.05)}.chat-send-btn[data-v-076d0e3e]:disabled{opacity:.3;cursor:not-allowed}.chat-send-btn[data-v-076d0e3e]:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.newchat-overlay[data-v-076d0e3e]{z-index:10;background:var(--color-bg);flex-direction:column;display:flex;position:absolute;inset:0}.newchat-header[data-v-076d0e3e]{border-bottom:1px solid var(--color-border);align-items:center;gap:8px;padding:10px 14px;display:flex}.newchat-back[data-v-076d0e3e]{border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-secondary);cursor:pointer;background:0 0;padding:4px 9px;font-size:.9rem;line-height:1}.newchat-back[data-v-076d0e3e]:hover{border-color:var(--color-accent);color:var(--color-accent)}.newchat-title[data-v-076d0e3e]{color:var(--color-text);font-size:.8rem;font-weight:600}.newchat-search[data-v-076d0e3e]{border-bottom:1px solid var(--color-border);padding:10px 14px}.newchat-input[data-v-076d0e3e]{width:100%;font-size:.8125rem;font-family:var(--font-sans);color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-pill);transition:border-color var(--duration-fast) var(--ease-out);outline:none;padding:9px 14px}.newchat-input[data-v-076d0e3e]:focus{border-color:var(--color-accent)}.newchat-input[data-v-076d0e3e]::placeholder{color:var(--color-text-muted)}.newchat-results[data-v-076d0e3e]{flex:1;overflow-y:auto}.newchat-empty[data-v-076d0e3e]{color:var(--color-text-muted);flex:1;justify-content:center;align-items:center;font-size:.8rem;display:flex}.newchat-item[data-v-076d0e3e]{border:none;border-bottom:1px solid var(--color-border);cursor:pointer;text-align:left;width:100%;font-family:var(--font-sans);transition:background var(--duration-fast) var(--ease-out);background:0 0;align-items:center;gap:10px;padding:10px 14px;display:flex}.newchat-item[data-v-076d0e3e]:hover{background:var(--color-surface-raised)}.newchat-item[data-v-076d0e3e]:disabled{opacity:.4;cursor:not-allowed}.newchat-avatar[data-v-076d0e3e]{background:linear-gradient(135deg, var(--color-accent), var(--color-accent-strong));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:.78rem;font-weight:700;display:flex}.newchat-info[data-v-076d0e3e]{flex:1;min-width:0}.newchat-name[data-v-076d0e3e]{color:var(--color-text);text-overflow:ellipsis;white-space:nowrap;font-size:.8rem;font-weight:600;display:block;overflow:hidden}.newchat-nim[data-v-076d0e3e]{color:var(--color-text-muted);margin-top:1px;font-size:.65rem;display:block}.newchat-role[data-v-076d0e3e]{color:var(--color-accent);background:var(--color-accent-dim);border-radius:var(--radius-pill);flex-shrink:0;padding:1px 6px;font-size:.58rem;font-weight:600}.newchat-role--lecturer[data-v-076d0e3e]{color:var(--color-success);background:var(--color-success-bg)}.newchat-section-header[data-v-076d0e3e]{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--color-border);padding:8px 14px;font-size:.62rem;font-weight:700}.newchat-section[data-v-076d0e3e]{flex-direction:column;display:flex}.spinner--btn[data-v-076d0e3e]{border-width:2px;width:16px;height:16px;display:inline-block}@media (width<=640px){.chat-input[data-v-076d0e3e]{font-size:1rem}}.ara-pop-enter-active[data-v-076d0e3e]{transition:all .28s cubic-bezier(.34,1.56,.64,1)}.ara-pop-leave-active[data-v-076d0e3e]{transition:all .16s}.ara-pop-enter-from[data-v-076d0e3e]{opacity:0;transform:translateY(16px)scale(.95)}.ara-pop-leave-to[data-v-076d0e3e]{opacity:0;transform:translateY(8px)scale(.97)}.app-shell[data-v-f0608fca]{z-index:1;flex-direction:column;min-height:100vh;display:flex;position:relative}.loading-screen[data-v-f0608fca]{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;display:flex}.loading-text[data-v-f0608fca]{color:var(--color-text-secondary);margin:0;font-size:.875rem}.spinner--lg[data-v-f0608fca]{border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;width:36px;height:36px;animation:.7s linear infinite spin-f0608fca}@keyframes spin-f0608fca{to{transform:rotate(360deg)}}.page-enter-active[data-v-f0608fca],.page-leave-active[data-v-f0608fca]{transition:opacity var(--duration-normal) var(--ease-out)}.page-enter-from[data-v-f0608fca],.page-leave-to[data-v-f0608fca]{opacity:0}*,:before,:after{box-sizing:border-box}:root{--color-bg:#060606;--color-surface:#0d0d0d;--color-surface-raised:#141414;--color-surface-overlay:#1a1a1a;--color-border:#1c1c1c;--color-border-hover:#2c2c2c;--color-border-active:#3c3c3c;--color-border-accent:#3b7ef43d;--color-text:#efefef;--color-text-secondary:#868686;--color-text-muted:#737373;--color-accent:#3b7ef4;--color-accent-strong:#2563eb;--color-accent-hover:#4a8af8;--color-accent-dim:#3b7ef41a;--color-accent-glow:#3b7ef429;--color-error:#fca5a5;--color-error-bg:#ef444414;--color-success:#4ade80;--color-success-bg:#4ade8014;--color-warning:#fbbf24;--color-warning-bg:#fbbf2414;--text-xs:.6875rem;--text-sm:.75rem;--text-base:.875rem;--text-md:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.75rem;--leading-tight:1.25;--leading-snug:1.4;--leading-normal:1.6;--leading-relaxed:1.7;--measure:68ch;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-9:36px;--space-12:48px;--font-display:"Archivo", system-ui, -apple-system, sans-serif;--font-sans:"Space Grotesk", system-ui, -apple-system, sans-serif;--max-width:1100px;--max-width-narrow:860px;--nav-height:64px;--content-pad:24px;--radius-xs:4px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-pill:9999px;--shadow-card:0 1px 2px #00000080;--shadow-raised:0 2px 8px #0009;--shadow-overlay:0 4px 24px #000000b3;--shadow-glow:0 0 0 1px #3b7ef433;--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-in-out:cubic-bezier(.4, 0, .2, 1);--duration-fast:.12s;--duration-normal:.2s;--duration-slow:.35s;--z-nav:60;--z-overlay:50;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}@media (width<=640px){:root{--content-pad:16px}}@media (width>=641px) and (width<=1024px){:root{--max-width:960px}}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:var(--text-md);line-height:var(--leading-normal);padding-bottom:env(safe-area-inset-bottom,0px);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;overflow-x:hidden}a{color:var(--color-accent);transition:color var(--duration-fast) var(--ease-out);text-decoration:none}a:hover{color:var(--color-accent-hover)}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);line-height:var(--leading-tight);margin:0}img{max-width:100%}.container{max-width:var(--max-width);padding:0 var(--content-pad);margin:0 auto}.btn-primary{font-size:var(--text-base);font-weight:600;font-family:var(--font-sans);color:#fff;background:var(--color-accent);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);border:none;justify-content:center;align-items:center;gap:8px;padding:10px 24px;display:inline-flex}.btn-primary:hover:not(:disabled){background:var(--color-accent-hover);box-shadow:var(--shadow-glow)}.btn-primary:active:not(:disabled){transform:scale(.97)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-outline{font-size:.8125rem;font-weight:500;font-family:var(--font-sans);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;transition:border-color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);background:0 0;justify-content:center;align-items:center;gap:6px;padding:8px 18px;display:inline-flex}.btn-outline:hover:not(:disabled){border-color:var(--color-border-hover);background:var(--color-surface-raised)}.btn-outline:active:not(:disabled){transform:scale(.97)}.btn-outline:disabled{opacity:.4;cursor:not-allowed}.btn-ghost{font-size:.8125rem;font-weight:500;font-family:var(--font-sans);color:var(--color-text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);background:0 0;border:none;justify-content:center;align-items:center;gap:6px;padding:8px 16px;display:inline-flex}.btn-ghost:hover:not(:disabled){color:var(--color-text);background:var(--color-accent-dim)}.btn-ghost:active:not(:disabled){transform:scale(.97)}.btn-ghost:disabled{opacity:.4;cursor:not-allowed}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:20px}.tag{font-size:var(--text-xs);border-radius:var(--radius-pill);white-space:nowrap;align-items:center;padding:2px 10px;font-weight:500;display:inline-flex}.spinner{border:2px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;width:20px;height:20px;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-pill)}::-webkit-scrollbar-thumb:hover{background:var(--color-border-hover)}.course-code-badge{font-size:var(--text-xs);color:var(--color-accent);background:var(--color-accent-dim);border-radius:var(--radius-pill);text-transform:uppercase;letter-spacing:.04em;flex-shrink:0;padding:2px 6px;font-weight:600}.back-link{color:var(--color-text-secondary);font-size:var(--text-sm);cursor:pointer;font-weight:500;font-family:var(--font-sans);transition:color var(--duration-fast) var(--ease-out);background:0 0;border:none;align-items:center;gap:6px;padding:0;display:inline-flex}.back-link:hover{color:var(--color-text)}.empty-state{padding:var(--space-6) 0;text-align:center}.empty-state p{color:var(--color-text-muted);font-size:var(--text-base);margin:0}.c--success{color:var(--color-success)}.c--warning{color:var(--color-warning)}.c--error{color:var(--color-error)}.c--muted{color:var(--color-text-muted)}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-xs)}::selection{background:var(--color-accent-dim);color:var(--color-text)}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=640px){input:not([type=checkbox]):not([type=radio]),select,textarea{font-size:1rem!important}}@media (pointer:coarse){.navbar-actions button,.modal-close,button[class*=btn]{min-width:44px;min-height:44px}}