/* ===== Theme ===== */
:root{
  --bg-dark:#0d1117;
  --bg-panel:#161b22;
  --text:#e6edf3;
  --cyan:#00fff2;
  --red:#ff4c4c;
  --glow-cyan:0 0 15px rgba(0,255,242,.8);
  --glow-red:0 0 15px rgba(255,76,76,.8);
  --radius:16px;
  --t:.25s ease-in-out;
  font-family:'Poppins',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}

*{box-sizing:border-box}
body{
  margin:0; background:var(--bg-dark); color:var(--text);
  display:flex; flex-direction:column; align-items:center; min-height:100vh;
}

/* ===== Header ===== */
header{
  width:100%; background:var(--bg-panel); padding:1rem 2rem;
  display:flex; justify-content:space-between; align-items:center;
  border-bottom:2px solid rgba(255,255,255,.05); box-shadow:0 0 20px rgba(0,0,0,.5);
}
header h1{margin:0; font-size:1.3rem; color:var(--cyan)}
nav button{
  background:transparent; border:1px solid var(--cyan); color:var(--text);
  border-radius:10px; padding:.4rem .8rem; margin-left:.4rem; cursor:pointer; transition:var(--t);
}
nav button:hover{background:var(--cyan); color:#000}
nav button.active{background:var(--cyan); color:#000; box-shadow:var(--glow-cyan)}

/* ===== Layout ===== */
main{width:95%; max-width:1200px; margin-top:1rem}
.tab{display:none; width:100%; margin-bottom:3rem}
.tab.active{display:block}

/* ===== Stat Cards ===== */
.stats{display:flex; justify-content:center; gap:1rem; flex-wrap:wrap; margin-bottom:2rem}
.stat-card{
  background:var(--bg-panel); border-radius:var(--radius); padding:1.2rem; min-width:200px;
  text-align:center; transition:var(--t); box-shadow:0 0 10px rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.15);
}
.stat-card.glow-cyan{border-color:var(--cyan); box-shadow:var(--glow-cyan)}
.stat-card.glow-red{border-color:var(--red); box-shadow:var(--glow-red)}
.stat-card h2{margin:.2rem 0 .6rem; font-weight:600}
.stat-card p{margin:0; font-size:1.6rem; font-weight:800; color:var(--cyan)}

/* ===== Filters ===== */
.filters{display:flex; gap:.5rem; align-items:center; margin-bottom:1rem}
.filters select,.filters button{
  background:#0e1621; color:var(--text); border:1px solid rgba(255,255,255,.12);
  border-radius:8px; padding:.5rem .7rem;
}
.filters button{cursor:pointer; transition:var(--t)}
filters button:hover{box-shadow:var(--glow-cyan); border-color:var(--cyan)}

/* ===== Case Grid + Cards ===== */
.case-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:1rem}
.case-card{
  background:var(--bg-panel); border-radius:var(--radius); padding:1rem; cursor:pointer;
  border:1px solid rgba(255,255,255,.12); transition:var(--t);
}
.case-card.open{border-color:var(--red); box-shadow:var(--glow-red)}
.case-card.closed{border-color:var(--cyan); box-shadow:var(--glow-cyan)}
.case-card:hover{transform:scale(1.02)}
.case-card strong{font-size:1.05rem}
.case-meta{opacity:.9; display:grid; gap:.2rem; margin-top:.35rem}
.case-meta small{opacity:.7}

/* ===== Intake Form ===== */
.form-card{
  background:var(--bg-panel); border-radius:var(--radius); padding:2rem; max-width:560px; margin:auto;
  box-shadow:var(--glow-cyan); border:1px solid rgba(255,255,255,.12);
}
label{display:block; margin:.9rem 0 .35rem; font-weight:600}
input,select,textarea,button{
  width:100%; background:#0e1621; color:var(--text); border:1px solid rgba(255,255,255,.12);
  border-radius:10px; padding:.65rem; outline:none; transition:var(--t);
}
input:focus,select:focus,textarea:focus{border-color:var(--cyan); box-shadow:var(--glow-cyan)}
textarea{min-height:90px; resize:vertical}
button[type="submit"]{background:var(--cyan); color:#000; font-weight:800; margin-top:1.2rem; cursor:pointer}
button[type="submit"]:hover{transform:scale(1.02); box-shadow:var(--glow-cyan)}

/* ===== Bottom Sheet (slide up) ===== */
.sheet-overlay{
  position:fixed; inset:0; background:rgba(0,0,0,.5);
  display:none; z-index:1000;
}
.sheet-overlay.active{display:block}
.sheet{
  position:absolute; left:0; right:0; bottom:-100%;
  margin:0 auto; width:min(1100px,100%);
  background:var(--bg-panel); border-top-left-radius:24px; border-top-right-radius:24px;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 -10px 30px rgba(0,0,0,.6);
  padding:1.2rem 1.2rem 1rem;
  transition:bottom .35s ease;
}
.sheet-overlay.active .sheet{bottom:0}
.sheet-header{display:flex; align-items:center; justify-content:space-between; margin-bottom:.8rem}
.sheet-header h2{margin:0; color:var(--cyan)}
.sheet-close{background:transparent;border:none;color:var(--text);font-size:1.25rem;cursor:pointer}
.sheet-actions{display:flex; gap:.6rem; justify-content:flex-end; padding-top:.6rem}
.btn-primary{background:var(--cyan); color:#000; border:none; padding:.6rem .9rem; border-radius:10px; cursor:pointer; font-weight:700}
.btn-ghost{background:#0e1621; color:var(--text); border:1px solid rgba(255,255,255,.12); padding:.6rem .9rem; border-radius:10px; cursor:pointer}
.discharge-form{margin-top:.6rem; padding:.9rem; border:1px dashed rgba(0,255,242,.35); border-radius:12px; background:#0f1722}
.two-col{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:.7rem}

/* Details grid inside sheet */
.detail-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:.75rem}
.detail-item{background:#0f1722; border:1px solid rgba(255,255,255,.08); border-radius:12px; padding:.7rem}
.detail-item b{display:block; margin-bottom:.25rem; opacity:.85}

/* ===== iPad ===== */
@media (max-width:900px){
  header{flex-direction:column; gap:.5rem}
  .form-card{max-width:94%}
}