*{box-sizing:border-box}
body{margin:0;font-family:'Inter',sans-serif;background:#f7f6fb;color:#28243d}
h1,h2,h3,h4,.brand{font-family:'Poppins',sans-serif}

.topbar{position:relative;overflow:hidden;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;padding:18px 32px;
  background:linear-gradient(120deg, oklch(0.40 0.07 218), oklch(0.48 0.08 208) 38%, oklch(0.58 0.09 200) 72%, oklch(0.70 0.10 192));color:#fff}
.brand{font-weight:800;font-size:22px;letter-spacing:-.4px}
.topbar-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.icon-btn{width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.4);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pill-select{border:1px solid rgba(255,255,255,.35);padding:7px 12px;border-radius:10px;font-weight:700;font-size:13px;background:rgba(255,255,255,.15);color:#fff}
.btn-outline{border:1px solid rgba(255,255,255,.4);padding:8px 16px;border-radius:12px;font-weight:700;font-size:13px;color:#fff;background:transparent;text-decoration:none;white-space:nowrap;cursor:pointer}
.btn-outline:hover,.btn-outline.is-active{background:rgba(255,255,255,.15)}
.whoami{font-size:12px;opacity:.85}

.container{max-width:1300px;margin:0 auto;padding:20px 32px 60px}
.card{background:#fff;border-radius:18px;padding:18px 20px;box-shadow:0 8px 30px rgba(40,36,61,.08);margin-bottom:20px}
.card h3{margin-top:0;font-size:16px}

.gradient-card{background:linear-gradient(150deg, oklch(0.44 0.07 216), oklch(0.54 0.08 206) 55%, oklch(0.66 0.09 196));border-radius:16px;color:#fff;box-shadow:0 8px 30px rgba(20,50,60,.18)}

.month-tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:14px}
.month-tabs a{flex-shrink:0;text-decoration:none;border:none;padding:10px 18px;border-radius:12px;font-weight:700;font-size:13px;background:#efeef7;color:#4a4560}
.month-tabs a.active{background:#3a4757;color:#fff}

.summary-grid{display:grid;grid-template-columns:220px 1fr 190px;gap:12px;margin-bottom:16px;align-items:stretch}
.summary-grid .gradient-card{padding:14px}
.summary-title{font-size:11px;font-weight:700;opacity:.8;text-transform:uppercase;letter-spacing:.5px}
.summary-value{font-family:'Poppins',sans-serif;font-weight:800;font-size:28px;margin-top:4px}
.legend-row{display:flex;flex-direction:column;gap:5px;margin-top:8px}
.legend-row .row{display:flex;align-items:center;gap:7px;font-size:11px}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0}
.trend-legend{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}
.trend-legend .row{display:flex;align-items:center;gap:5px;font-size:11px}
.perf-donut{position:relative;width:78px;height:78px;display:flex;align-items:center;justify-content:center}
.perf-donut svg{position:absolute;transform:rotate(-90deg)}
.perf-donut .pct{position:relative;font-weight:800;font-size:16px}
.perf-note{font-size:9px;opacity:.75;text-align:center;margin-top:2px}

.grid-wrap{overflow-x:auto}
.score-table{display:flex;flex-direction:column;gap:2px;width:fit-content}
.score-row{display:flex;gap:2px;align-items:center}
.habit-col{width:220px;flex-shrink:0;display:flex;align-items:center;gap:6px}
.habit-col.header{justify-content:space-between}
.day-col{width:29px;flex-shrink:0;text-align:center;font-size:10px;font-weight:600;color:#7a7592}
.progress-col{width:170px;flex-shrink:0}
.habit-name-input{border:none;background:transparent;font-weight:700;font-size:12px;width:110px;padding:2px 0;color:#28243d;border-bottom:1px dashed transparent}
.habit-name-input:hover{border-bottom:1px dashed #ccc}
.habit-name-input:focus{outline:none;border-bottom:1px solid #4a5a6e}
.remove-habit{border:none;background:transparent;color:#a29ec2;cursor:pointer;font-size:14px;padding:0;margin-left:auto}
.score-input{width:29px;height:29px;flex-shrink:0;border-radius:6px;border:1px solid #e2dff0;text-align:center;font-weight:700;font-size:10px;padding:0;-moz-appearance:textfield}
.score-input::-webkit-outer-spin-button,.score-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.progress-track{flex:1;height:10px;border-radius:5px;background:#eeecf6;overflow:hidden}
.progress-fill{height:100%;border-radius:5px}
.progress-wrap{display:flex;align-items:center;gap:8px;padding-left:8px}
.add-habit-btn{border:1px dashed #ccc;background:transparent;color:#7a7592;font-weight:700;font-size:11px;padding:5px 10px;border-radius:8px;cursor:pointer;white-space:nowrap}
.overall-row{margin-top:8px;padding:12px 14px;border-radius:16px;display:flex;gap:2px;align-items:center}
.overall-pill{background:rgba(255,255,255,.18);color:#fff;font-weight:800;font-size:12px;padding:6px 14px;border-radius:20px}
.overall-bar{width:29px;flex-shrink:0;height:110px;border-radius:8px;background:rgba(255,255,255,.14);position:relative}
.overall-bar-fill{position:absolute;left:0;right:0;bottom:0;border-radius:6px 6px 0 0;background:linear-gradient(180deg,#dfe5ec,#9fb0c4)}
.overall-bar-label{position:absolute;left:0;right:0;text-align:center;font-size:8px;font-weight:800;color:#fff}

.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.filters{display:flex;gap:10px}
.filters select,.filters input{padding:8px 10px;border-radius:8px;border:1px solid #ddd;font-size:13px}
.btn{display:inline-block;background:#3a4757;color:#fff;text-decoration:none;padding:9px 16px;border-radius:8px;font-weight:700;font-size:13px;border:none;cursor:pointer}
.btn:hover{background:#2a3543}
.btn.small{padding:6px 10px;font-size:12px}
.btn.danger{background:#c94b4b}
.btn.danger:hover{background:#a83a3a}
.hint{font-size:12px;color:#8b869e;margin-top:10px}
table.simple-table{width:100%;border-collapse:collapse}
table.simple-table th,table.simple-table td{padding:10px;border-bottom:1px solid #eee;text-align:left;font-size:13px}
.inline-form{display:flex;gap:10px;flex-wrap:wrap}
.inline-form input{flex:1;min-width:140px;padding:9px 12px;border-radius:8px;border:1px solid #ddd}
.row-actions{display:flex;gap:8px}

.auth-wrap{position:relative;overflow:hidden;min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg, oklch(0.40 0.07 218), oklch(0.58 0.09 200) 55%, oklch(0.72 0.09 190))}
.summary-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin-bottom:20px}
.summary-card{background:#fff;border-radius:14px;padding:14px 16px;border:2px solid #ddd;box-shadow:0 8px 30px rgba(40,36,61,.08)}
.summary-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.4px}
.auth-card{background:#fff;padding:32px;border-radius:20px;width:340px;display:flex;flex-direction:column;gap:10px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.auth-card h2{font-family:'Poppins',sans-serif;text-align:center;margin:0 0 4px}
.auth-card label{font-size:12px;font-weight:700;color:#555}
.auth-card input{padding:11px 12px;border-radius:10px;border:1px solid #ddd}
.auth-card button{margin-top:8px;padding:12px;border:none;border-radius:10px;background:#3a4757;color:#fff;font-weight:800;cursor:pointer}
.auth-card .error{color:#c94b4b;font-size:13px}
.auth-card .notice{color:#2f8f75;font-size:13px}

@media (max-width: 760px) {
  .container{padding:12px 14px 40px}
  .topbar{padding:14px 16px}
  .card{padding:14px 16px}
  .toolbar{flex-direction:column;align-items:stretch}
  .filters{flex-wrap:wrap}
  .summary-grid{grid-template-columns:1fr}
  table.simple-table{display:block;overflow-x:auto;white-space:nowrap}
  .inline-form{flex-direction:column}
  .inline-form input{width:100%}
}

.manage-row{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.manage-row input[type=text],.manage-row input[type=password]{flex:1;padding:8px 12px;border-radius:8px;border:1px solid #e0ddec;font-size:13px;font-weight:600}
.btn-soft-danger{border:none;background:#fbe4e4;color:#b23a3a;padding:8px 14px;border-radius:8px;font-weight:700;font-size:12px;cursor:pointer;white-space:nowrap}
.btn-soft-danger:hover{background:#f6cccc}
.btn-soft-restore{border:none;background:#dff3ea;color:#2f8f75;padding:6px 14px;border-radius:8px;font-weight:700;font-size:12px;cursor:pointer;white-space:nowrap}
.btn-soft-restore:hover{background:#c6ecd9}
.btn-dashed{border:1px dashed #ccc;background:transparent;color:#7a7592;font-weight:700;font-size:12px;padding:7px 16px;border-radius:8px;cursor:pointer}
.deleted-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;background:#f6f5fa;border-radius:8px;margin-bottom:6px}
.color-dot-lg{display:inline-block;width:16px;height:16px;border-radius:50%}

/* ---- Student report (print) ---- */
.report-toolbar{padding:14px 24px;display:flex;gap:14px;align-items:center;background:#fff;border-bottom:1px solid #e6e4ee;position:sticky;top:0;z-index:10}
.report-toolbar select{padding:8px 12px;border-radius:8px;border:1px solid #ddd;font-size:13px;font-weight:600}
.report-page{max-width:900px;margin:24px auto;background:#fff;border-radius:16px;box-shadow:0 8px 30px rgba(40,36,61,.08);padding:32px}
.report-stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin:20px 0}
.report-stat{border-radius:14px;padding:16px}
.report-month{margin-top:26px;padding-top:14px;border-top:2px solid #eee}
.report-month h4{font-family:'Poppins',sans-serif;font-weight:800;font-size:17px;margin:0 0 10px}
.report-grid-row{display:flex;gap:2px;align-items:center}
.report-day-col{flex-shrink:0;text-align:center;font-size:8px;font-weight:700;color:#8b869e}
.report-habit-col{width:80px;flex-shrink:0;font-weight:700;font-size:10px;display:flex;align-items:center;gap:5px}
.report-avg-col{width:38px;flex-shrink:0;text-align:center;font-weight:800;font-size:10px}
.report-cell{flex-shrink:0;border-radius:3px;text-align:center;font-size:8px;font-weight:700;display:flex;align-items:center;justify-content:center}
@media print {
  .no-print{display:none !important}
  body{background:#fff}
  .report-page{box-shadow:none;margin:0;max-width:none}
}