:root{
  --bg:#0b1020;
  --panel:#111735;
  --card:#151c3f;
  --text:#e8ecff;
  --muted:#aab3d8;
  --accent:#6ea8ff;
  --success:#31d0aa;
  --warn:#ffca63;
  --danger:#ff6b6b;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(180deg,#0b1020,#0b1020 60%,#0d1430);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Inter,sans-serif;line-height:1.4}
.container{width:min(1100px,92vw);margin-inline:auto}
header.container{padding:2rem 0}
h1{margin:0;font-size:clamp(1.6rem,1.2rem + 2vw,2.2rem)}
.subtitle{color:var(--muted);margin:.25rem 0 1rem}
.toolbar{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin:1rem 0}
.toolbar select,.toolbar button{margin-right:.25rem}
.grid{display:grid;grid-template-columns:1fr 320px;gap:1rem}
@media (max-width:90vw){.grid{grid-template-columns:1fr}}

.weeks{display:flex;gap:.5rem;flex-wrap:wrap}
.tab{background:transparent;border:1px solid #2b356b;color:var(--text);padding:.5rem .8rem;border-radius:999px;cursor:pointer}
.tab.active,.tab:hover{background:#222b59}

.panel{background:var(--panel);border:1px solid #20295a;border-radius:18px;padding:1rem}
.panel h2{margin:.25rem 0}
.week-goal{color:var(--muted);margin-top:0}
.agenda{background:#0e1533;border:1px solid #1e275a;border-radius:12px;padding:.5rem 1rem;margin:.5rem 0 1rem}
.agenda ul{margin:.5rem 0 0 1rem}
.activities{display:grid;grid-template-columns:1fr;gap:1rem}
.card{background:var(--card);border:1px solid #24306b;border-radius:16px;padding:1rem}
.card header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem}
.card .chip{background:#1f2a59;border:1px solid #2b3a7a;color:#cfe1ff;padding:.15rem .5rem;border-radius:999px;font-size:.8rem}
.card-body .inline{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
.flashcard{background:#0e1533;border:1px dashed #2a3570;border-radius:12px;padding:1rem}
.flash-actions{display:flex;gap:.5rem;flex-wrap:wrap;margin:.5rem 0}
.target{display:flex;align-items:center;gap:.75rem;justify-content:space-between;background:#0e1533;border:1px dashed #2a3570;border-radius:12px;padding:.75rem}
.reading{background:#0e1533;border:1px dashed #2a3570;border-radius:12px;padding:.75rem}
.recorder{display:flex;align-items:center;gap:.75rem;margin:.5rem 0}
.result textarea{width:100%;background:#0e1533;border:1px solid #283272;border-radius:10px;color:var(--text);padding:.6rem}
input[type="text"], select{background:#0e1533;border:1px solid #283272;color:var(--text);padding:.6rem;border-radius:10px;width:100%}
textarea{resize:vertical}
.sidebar{background:var(--panel);border:1px solid #20295a;border-radius:18px;padding:1rem;height:fit-content;position:sticky;top:1rem}
.badges{display:flex;flex-wrap:wrap;gap:.4rem;padding-left:0;list-style:none}
.badges li{background:#112055;border:1px solid #26408f;border-radius:999px;padding:.25rem .6rem;font-size:.85rem}
.stats{list-style:none;padding-left:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}
.stats li{background:#0e1533;border:1px solid #26306a;border-radius:12px;padding:.5rem;text-align:center}
.stats strong{font-size:1.2rem;display:block}
.footnote{color:var(--muted);padding:1.5rem 0 3rem}

.btn{border:none;border-radius:999px;padding:.55rem .9rem;background:#2a3a84;color:white;cursor:pointer}
.btn:hover{filter:brightness(1.1)}
.btn.primary{background:linear-gradient(90deg,#4976ff,#7b9cff)}
.btn.ghost{background:transparent;border:1px solid #344289}
.btn.success{background:linear-gradient(90deg,#1fbf96,#31d0aa)}
.btn.warn{background:linear-gradient(90deg,#ffb34d,#ffca63);color:#311a00}
.btn.danger{background:linear-gradient(90deg,#ff6b6b,#ff8f8f)}
.muted{color:var(--muted)}
.hidden{display:none}
.inline small{opacity:.85}
.checklist{margin:.5rem 0 0 0}
.checklist li{margin:.25rem 0}
.progress-wrap{width:100%;height:10px;background:#0e1533;border:1px solid #27326c;border-radius:999px;overflow:hidden}
.progress-bar{height:100%;background:linear-gradient(90deg,#6ea8ff,#31d0aa)}
.panel-footer{margin-top:.5rem;display:flex;align-items:center;justify-content:space-between}