:root{
  --wsu-green:#006B3F;
  --wsu-green-dark:#004C2E;
  --wsu-gold:#FFCC00;
  --wsu-cream:#FFF7D6;

  --bg-1:#F4F8F6;
  --bg-2:#EAF3EE;
  --card:#FFFFFF;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --shadow:0 10px 30px rgba(0,0,0,.12);
  color-scheme: light;
}

*{ box-sizing:border-box; }

body{
  font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  margin:0;
  background:linear-gradient(180deg,var(--bg-1),var(--bg-2));
  color:var(--text);
  text-align:center;
}

.hidden{ display:none !important; }
button{ cursor:pointer; border:none; }

/* Lock screen */
.lock-screen{
  position:fixed; inset:0; z-index:5000;
  display:grid; place-items:center;
  background:radial-gradient(1200px 600px at 50% 0%, #fff 0%, var(--bg-2) 55%, var(--bg-1) 100%);
}
.lock-card{
  width:min(520px,92%);
  background:var(--card);
  border-radius:16px;
  padding:24px;
  box-shadow:var(--shadow);
  border:1px solid rgba(0,0,0,.06);
}
.lock-actions{ display:flex; gap:.6rem; justify-content:center; margin-top:.75rem; flex-wrap:wrap; }
.lock-msg{ margin-top:.6rem; color:#8b0000; font-weight:600; }

/* Header */
header{
  background:linear-gradient(90deg,var(--wsu-green),var(--wsu-green-dark));
  padding:1.2rem 1rem 1rem;
  color:#fff;
  border-bottom-left-radius:18px;
  border-bottom-right-radius:18px;
  box-shadow:0 6px 18px rgba(0,0,0,.12);
}
header h1{ font-size:1.9rem; margin:0 0 .25rem; }
header h2{ margin:0 0 .35rem; font-weight:600; opacity:.95; }
header p{ margin:.25rem 0 .75rem; opacity:.95; }

.admin-badge{
  background:var(--wsu-gold);
  color:#1f1f1f;
  padding:6px 10px;
  border-radius:999px;
  font-weight:900;
  margin-left:10px;
}

/* Buttons */
button{
  background:var(--wsu-green);
  color:#fff;
  font-weight:800;
  padding:.62rem .9rem;
  border-radius:10px;
  transition:transform .06s ease, background .15s ease;
  box-shadow:0 6px 14px rgba(0,0,0,.10);
}
button:hover{ background:var(--wsu-green-dark); }
button:active{ transform:translateY(1px); }

button.secondary{
  background:var(--wsu-cream);
  color:#1f1f1f;
  border:1px solid rgba(0,0,0,.12);
  box-shadow:none;
}
button.secondary:hover{ background:#ffefad; }

/* Pills */
.toolbar{ margin:1rem auto; display:grid; gap:.75rem; justify-content:center; }
.pills{ display:flex; gap:.5rem; justify-content:center; flex-wrap:wrap; }
.pill{
  border-radius:999px;
  padding:.48rem .95rem;
  background:#e6f3ec;
  color:var(--wsu-green-dark);
  font-weight:900;
  border:1px solid rgba(0,0,0,.06);
  box-shadow:none;
}
.pill.active{
  background:var(--wsu-gold);
  color:#1f1f1f;
}

/* Filters / Search */
.filters, .search-bar{
  margin:.6rem auto;
  display:flex;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
  padding:0 .75rem;
}

select, input{
  padding:.62rem .75rem;
  border-radius:10px;
  border:1px solid var(--border);
  background:#fff;
  color:#111;
  outline:none;
  min-width:170px;
}
input::placeholder{ color:var(--muted); }
input:focus, select:focus{
  border-color:rgba(0,107,63,.55);
  box-shadow:0 0 0 4px rgba(0,107,63,.16);
}
.search-bar input{ width:min(520px,92vw); min-width:260px; }

/* Table */
.table-container{
  margin:1rem auto;
  width:92%;
  background:var(--card);
  border-radius:14px;
  box-shadow:0 10px 24px rgba(0,0,0,0.08);
  overflow-x:auto;
  border:1px solid rgba(0,0,0,.06);
}

table{ width:100%; border-collapse:collapse; }
th{
  background:linear-gradient(90deg,var(--wsu-green),var(--wsu-green-dark));
  color:#fff;
  padding:.85rem;
  text-align:left;
  position:sticky;
  top:0;
}
td{
  padding:.85rem;
  border-bottom:1px solid #f0f2f5;
  text-align:left;
  vertical-align: top;
}
tr:nth-child(even) td{ background:#fbfdfc; }
tr.overdue td{ background:#fff3cd; }

a{ color:var(--wsu-green-dark); font-weight:800; text-decoration:none; }
a:hover{ text-decoration:underline; }

.actions-cell{ display:flex; gap:.4rem; align-items:center; }
.actions-cell button{ padding:.4rem .55rem; border-radius:10px; box-shadow:none; }

/* Toggle button */
.toggle-btn{
  border:none;
  background:#e6f3ec;
  color:var(--wsu-green-dark);
  padding:.35rem .55rem;
  border-radius:10px;
  font-weight:900;
  box-shadow:none;
}
.toggle-btn.open{
  background:var(--wsu-gold);
  color:#1f1f1f;
}

/* Notes dropdown row */
.notes-row td{
  background:#f7faf8 !important;
}
.notes-box{
  border:1px solid rgba(0,0,0,.08);
  border-radius:12px;
  padding:12px;
  background:#fff;
}
.notes-top{
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
  margin-bottom:10px;
}
.notes-title{
  font-weight:900;
  color:var(--wsu-green-dark);
}
.notes-controls{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  margin-bottom:10px;
}
.notes-controls input{
  min-width:260px;
  flex:1;
}
.notes-list{
  display:grid;
  gap:10px;
}
.note-item{
  border:1px solid rgba(0,0,0,.06);
  border-radius:12px;
  background:#f7faf8;
  padding:10px;
}
.note-meta{
  display:flex;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
  color:#6b7280;
  font-size:.9rem;
  margin-bottom:6px;
}
.note-text{
  white-space:pre-wrap;
  line-height:1.35;
  color:#111;
}
.note-actions{
  margin-top:8px;
  display:flex;
  gap:8px;
}
.note-actions button{
  padding:.45rem .7rem;
  border-radius:10px;
  box-shadow:none;
}

/* Chart smaller */
.chart-container.small-chart{
  width:min(420px,92%);
  margin:1.4rem auto 2.3rem;
  background:var(--card);
  border-radius:14px;
  padding:1rem;
  box-shadow:0 10px 24px rgba(0,0,0,0.08);
  border:1px solid rgba(0,0,0,.06);
}
.chart-container.small-chart canvas{
  max-height:220px !important;
}

/* Counter */
.track-count{ font-weight:900; color:var(--wsu-green-dark); }

/* Modals */
.modal{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.38);
  z-index:9999;
  align-items:center;
  justify-content:center;
  padding:18px;
}
.modal.show{ display:flex; }
.modal-content{
  width:min(720px,92vw);
  background:#fff;
  border-radius:14px;
  padding:20px;
  position:relative;
  box-shadow:var(--shadow);
  text-align:left;
  border:1px solid rgba(0,0,0,.08);
}
.modal-content label{ display:block; font-weight:900; margin:.6rem 0 .25rem; }
.close{
  position:absolute;
  right:12px;
  top:10px;
  font-size:24px;
  background:transparent;
  color:#111;
  width:38px;
  height:38px;
  border-radius:10px;
  box-shadow:none;
}
.close:hover{ background:rgba(0,0,0,.06); }
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.save-btn{
  margin-top:12px;
  background:var(--wsu-gold);
  color:#111;
  font-weight:1000;
  border-radius:12px;
  box-shadow:none;
  border:1px solid rgba(0,0,0,.10);
}
.save-btn:hover{ background:#f2c200; }

.row-btns{ display:flex; gap:.5rem; flex-wrap:wrap; margin-top:.75rem; }

@media (max-width:720px){
  .form-grid{ grid-template-columns:1fr; }
  th, td{ padding:.75rem; }
  header h1{ font-size:1.6rem; }
}