/* MTSS Behavior Log — Cloudflare Phase B (phone-first) */
:root{
  --navy:#0b1e3a; --navy2:#071629; --col:#67a8d8; --w:#fff;
  --muted:rgba(255,255,255,.75); --muted2:rgba(255,255,255,.6);
  --r:22px; --shadow:0 16px 44px rgba(0,0,0,.45);
  --pad:clamp(16px,4vw,24px); --gap:clamp(12px,3vw,18px);
  --fsTitle:clamp(28px,7vw,44px);
  --fsBody:clamp(18px,5vw,26px);
  --fsBtn:clamp(20px,5.5vw,30px);
  --tap:62px;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--w)}
body{
  background:
    radial-gradient(1100px 700px at 20% -20%, rgba(103,168,216,.22), transparent 60%),
    radial-gradient(900px 600px at 120% 10%, rgba(103,168,216,.18), transparent 55%),
    linear-gradient(180deg,#071629 0%,#0b1e3a 70%,#071629 100%);
}
.app{min-height:100vh;padding:calc(env(safe-area-inset-top) + 12px) 12px calc(env(safe-area-inset-bottom) + 18px)}
.topbar{max-width:1400px;margin:0 auto;display:flex;gap:var(--gap);justify-content:space-between;flex-wrap:wrap}
.title{font-weight:900;font-size:var(--fsTitle);line-height:1.05}
.subtitle{margin-top:6px;color:var(--muted2);font-size:clamp(14px,3.8vw,18px)}
.top-actions{display:flex;gap:var(--gap);align-items:center;flex-wrap:wrap;justify-content:flex-end}
.chip{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);padding:10px 12px;border-radius:999px;color:var(--muted);font-weight:900}
.main{max-width:1400px;margin:var(--gap) auto 0;display:flex;flex-direction:column;gap:var(--gap)}
.card{background:linear-gradient(180deg,rgba(103,168,216,.12),rgba(255,255,255,.06));border:1px solid rgba(255,255,255,.16);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.card-head{padding:var(--pad);background:rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.10);display:flex;gap:var(--gap);justify-content:space-between;align-items:center;flex-wrap:wrap}
.card-title{font-size:clamp(22px,6vw,32px);font-weight:900}
.card-sub{color:var(--muted2);font-size:clamp(14px,3.8vw,18px);margin-top:4px}
.card-body{padding:var(--pad)}
.field{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:12px}
label{display:block;margin-bottom:8px;color:var(--muted2);font-weight:900;font-size:clamp(14px,3.8vw,18px)}
.input,textarea,select,.textarea-sm{
  width:100%;border-radius:16px;border:1px solid rgba(255,255,255,.22);
  background:rgba(7,22,41,.92);color:var(--w);padding:14px;font-size:var(--fsBody);
  min-height:var(--tap);outline:none;
}
textarea{min-height:32vh;resize:vertical}
.textarea-sm{min-height:18vh;resize:vertical}
.hint{color:var(--muted2);font-size:clamp(13px,3.6vw,17px);margin-top:10px}
.row{display:flex;gap:var(--gap);flex-wrap:wrap;margin-top:var(--gap)}
.row .btn{flex:1;min-width:220px}
.btn{border:0;border-radius:18px;padding:14px 16px;font-size:var(--fsBtn);font-weight:900;cursor:pointer;min-height:var(--tap);box-shadow:0 10px 22px rgba(0,0,0,.28)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.6;cursor:not-allowed}
.btn.primary{background:var(--col);color:#071626}
.btn.ghost{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);color:var(--w);box-shadow:none}
.btn.danger{background:#ff5b5b;color:#1b0505}
.hidden{display:none!important}
.divider{height:1px;background:rgba(255,255,255,.12);margin:var(--gap) 0}
.section-head{display:flex;gap:var(--gap);justify-content:space-between;flex-wrap:wrap;align-items:flex-start;margin-top:var(--gap)}
.section-actions{display:flex;gap:var(--gap);flex-wrap:wrap;align-items:center}
.list{display:flex;flex-direction:column;gap:10px;margin-top:var(--gap)}
.item{background:rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:14px;cursor:pointer}
.item-top{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:center}
.item-meta{color:var(--muted2);font-weight:900;font-size:clamp(13px,3.6vw,17px)}
.item-note{margin-top:8px;color:rgba(255,255,255,.92);font-size:clamp(16px,4.4vw,20px)}
.pill{display:inline-block;padding:6px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);font-weight:900;font-size:clamp(12px,3.4vw,14px)}
.pill.open{border-color:rgba(255,193,7,.7);color:rgba(255,193,7,.95)}
.pill.closed{border-color:rgba(86,227,159,.7);color:rgba(86,227,159,.95)}
.filters{display:grid;grid-template-columns:repeat(4,minmax(220px,1fr));gap:var(--gap)}
@media(max-width:1050px){.filters{grid-template-columns:repeat(2,minmax(220px,1fr))}}
@media(max-width:620px){.filters{grid-template-columns:1fr}}
.filter{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:12px}
.summary{margin-top:var(--gap);color:var(--muted2);font-weight:900;font-size:clamp(13px,3.6vw,17px)}
.table-wrap{margin-top:var(--gap);border:1px solid rgba(255,255,255,.14);border-radius:18px;overflow:auto;background:rgba(0,0,0,.18)}
.table{width:100%;border-collapse:collapse;table-layout:fixed;min-width:1300px;font-size:clamp(14px,3.6vw,16px)}
.table th,.table td{padding:14px 12px;border-bottom:1px solid rgba(255,255,255,.10);vertical-align:top;overflow-wrap:anywhere}
.table th{background:rgba(255,255,255,.06);text-align:left;position:sticky;top:0;z-index:1}
.w-when{width:130px}.w-student{width:180px}.w-small{width:80px}.w-loc{width:160px}.w-teacher{width:170px}.w-note{width:520px}.w-actions{width:170px}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.86);display:flex;align-items:center;justify-content:center;padding:14px;z-index:9998}
.modal{width:min(980px,100%);background:#071629;border:1px solid rgba(255,255,255,.22);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
.modal.wide{width:min(1200px,100%)}
.modal-head{padding:var(--pad);background:rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.10);display:flex;gap:var(--gap);justify-content:space-between;align-items:center;flex-wrap:wrap}
.modal-title{font-weight:900;font-size:clamp(22px,6vw,32px)}
.modal-body{padding:var(--pad)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
@media(max-width:780px){.grid{grid-template-columns:1fr}}
.grid2{display:grid;grid-template-columns:1fr 1fr 1fr;gap:var(--gap)}
@media(max-width:980px){.grid2{grid-template-columns:1fr}}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(env(safe-area-inset-bottom) + 14px);z-index:9999;background:rgba(0,0,0,.92);border:1px solid rgba(255,255,255,.18);padding:12px 16px;border-radius:999px;font-weight:900;max-width:92vw;box-shadow:var(--shadow);text-align:center}
.fatal{margin-top:var(--gap);background:rgba(255,0,0,.14);border:1px solid rgba(255,0,0,.35);border-radius:18px;padding:14px;white-space:pre-wrap;word-break:break-word}
.cols{display:flex;flex-direction:column;gap:10px}
.colRow{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid rgba(255,255,255,.12);border-radius:14px;background:rgba(255,255,255,.06)}
.colRow input{width:28px;height:28px}