:root{--navy: #13294b;--navy-2: #1c3a63;--teal: #0e8c8c;--teal-dk: #0b7373;--bg: #f3f5f8;--panel: #ffffff;--border: #d6dbe2;--text: #2a2e34;--muted: #6b7280;--err: #b0344b;--ok: #1f7a46;--radius: 10px;--shadow: 0 1px 3px rgba(19, 41, 75, .08), 0 4px 16px rgba(19, 41, 75, .06)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}.muted{color:var(--muted)}.small{font-size:12px}.pad{padding:10px 4px}.mt{margin-top:10px}.grow{flex:1 1 auto;min-width:0}.center{height:100%;display:flex;align-items:center;justify-content:center;font-size:15px}.btn{border:1px solid var(--border);background:#fff;color:var(--text);padding:9px 14px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s}.btn:hover{border-color:#b9c0cb}.btn.sm{padding:7px 11px;font-size:13px}.btn.primary{background:var(--teal);border-color:var(--teal);color:#fff}.btn.primary:hover{background:var(--teal-dk);border-color:var(--teal-dk)}.btn.primary:disabled{opacity:.6;cursor:default}.btn.ghost{background:transparent}input,select{font:inherit;padding:9px 11px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text)}input:focus,select:focus{outline:2px solid rgba(14,140,140,.35);outline-offset:0;border-color:var(--teal)}.brand{display:flex;align-items:center;gap:10px}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:var(--navy);color:#fff;font-weight:800;font-size:18px}.brand.small .brand-mark{width:28px;height:28px;font-size:15px}.brand-name{font-weight:800;color:var(--navy);font-size:18px;letter-spacing:-.2px}.brand-sub{font-size:12px;color:var(--muted)}.config-banner{background:#fff6e5;border-bottom:1px solid #f0d9a8;color:#7a5a1a;padding:10px 16px;font-size:13px;text-align:center}.config-banner code{background:#0000000f;padding:1px 5px;border-radius:4px}.auth-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(1200px 600px at 50% -10%,#e9eef6 0%,var(--bg) 60%)}.auth-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:26px}.tabs{display:flex;gap:6px;margin:20px 0 16px;background:var(--bg);padding:4px;border-radius:10px}.tab{flex:1;border:none;background:transparent;padding:8px;border-radius:8px;font-weight:600;font-size:14px;color:var(--muted);cursor:pointer}.tab.active{background:#fff;color:var(--navy);box-shadow:0 1px 2px #00000014}.form{display:flex;flex-direction:column;gap:12px}.form label{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:600;color:#444}.auth-foot{text-align:center;margin-top:14px;font-size:12px}.note{padding:9px 12px;border-radius:8px;font-size:13px;margin-top:12px}.note.err{background:#fdecef;color:var(--err);border:1px solid #f3c2cc}.note.ok{background:#e9f6ee;color:var(--ok);border:1px solid #bfe3ce}.note.bar{margin:0;border-radius:0}.app{min-height:100%;display:flex;flex-direction:column}.topbar{height:56px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 16px;box-shadow:var(--shadow)}.topbar .brand-name{color:#fff}.top-right{display:flex;align-items:center;gap:14px;font-size:13px}.top-right .muted{color:#aeb9cc}.top-right .hh{color:#dfe6f1}.top-right .btn.ghost{color:#fff;border-color:#ffffff40}.top-right .btn.ghost:hover{border-color:#ffffff80}.cols{flex:1;display:flex;min-height:0}.sidebar{width:260px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--border);padding:16px;display:flex;flex-direction:column;gap:14px;overflow-y:auto}.side-head{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:700}.student-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.stud{width:100%;text-align:left;border:1px solid transparent;background:transparent;padding:9px 10px;border-radius:8px;cursor:pointer;display:flex;flex-direction:column;gap:2px}.stud:hover{background:var(--bg)}.stud.active{background:#e8f4f4;border-color:#bfe3e3}.stud-name{font-weight:600;color:var(--navy)}.stud-meta{font-size:12px}.add-student{display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--border);padding-top:14px}.main{flex:1;min-width:0;padding:20px 24px;overflow-y:auto}.empty{padding:40px;text-align:center}.subtabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:18px}.subtab{border:none;background:transparent;padding:10px 14px;font-weight:600;font-size:14px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}.subtab:hover{color:var(--navy)}.subtab.active{color:var(--navy);border-bottom-color:var(--teal)}.section{display:flex;flex-direction:column;gap:14px;max-width:860px}.row-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.row-form.mt{margin-top:10px}.cards{display:flex;flex-direction:column;gap:10px}.card{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);overflow:hidden}.card-head{display:flex;align-items:center;gap:12px;padding:12px 14px;cursor:pointer}.card-head:hover{background:#fafbfc}.card-title{font-weight:600;flex:1}.pill{font-size:11px;font-weight:800;padding:3px 8px;border-radius:20px;color:#fff}.pill-iep{background:var(--teal)}.pill-504{background:var(--navy-2)}.status{font-size:12px;font-weight:700;text-transform:capitalize;padding:2px 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var(--border);border-radius:var(--radius);background:var(--panel);padding:14px;min-height:280px;max-height:440px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.msg{max-width:80%}.msg.user{align-self:flex-end;text-align:right}.msg.assistant,.msg.system{align-self:flex-start}.msg-role{font-size:10px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:3px}.msg-body{display:inline-block;padding:9px 12px;border-radius:12px;font-size:14px;line-height:1.45}.msg.user .msg-body{background:var(--teal);color:#fff;border-bottom-right-radius:3px}.msg.assistant .msg-body{background:var(--bg);color:var(--text);border-bottom-left-radius:3px}.msg.system .msg-body{background:#fff6e5;color:#7a5a1a}.chat-form{display:flex;gap:8px;margin-top:12px}.chat-form input{flex:1}@media (max-width: 720px){.sidebar{width:200px}.main{padding:16px}}