/* ============================================================
   Student Report Card System — premium light UI
   Taste: light & airy, soft pastels, clean Meta-like simplicity.
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #faf8f3;
  --surface: #ffffff;
  --ink: #1e293b;
  --muted: #64748b;
  --faint: #94a3b8;
  --line: #f0e9dc;
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-soft: #eef2ff;
  --peach-bg: #ffedd5; --peach: #ea7c28;
  --lilac-bg: #ede9fe; --lilac: #7c3aed;
  --blue-bg: #dbeafe;  --blue: #2563eb;
  --mint-bg: #d1fae5;  --mint: #047857;
  --rose-bg: #ffe4e6;  --rose: #e11d48;
  --amber-bg: #fef3c7; --amber: #b45309;
  --shadow: 0 10px 32px rgba(30, 41, 59, .07);
  --shadow-sm: 0 4px 14px rgba(30, 41, 59, .06);
  --radius: 18px;
}

body {
  font-family: "Noto Sans Myanmar", "Pyidaungsu", "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 12px; padding-bottom: 12px; gap: 12px; flex-wrap: wrap;
}
.brand { color: var(--ink); text-decoration: none; font-size: 20px; font-weight: 800; letter-spacing: -.01em; }
.stack-tag {
  font-size: 11px; font-weight: 600; background: var(--primary-soft); color: var(--primary);
  padding: 3px 10px; border-radius: 999px; vertical-align: middle; margin-left: 6px;
}
.topbar nav { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.topbar nav a {
  color: var(--muted); text-decoration: none; font-size: 14.5px; font-weight: 600;
  padding: 8px 14px; border-radius: 999px; transition: all .18s;
}
.topbar nav a:hover { background: #f4f1ea; color: var(--ink); }
.btn-add { background: var(--primary) !important; color: #fff !important; box-shadow: 0 6px 16px rgba(79, 70, 229, .28); }
.btn-add:hover { background: var(--primary-dark) !important; transform: translateY(-1px); }
.user-badge {
  font-size: 13.5px; font-weight: 600; color: var(--amber);
  background: var(--amber-bg); padding: 6px 12px; border-radius: 999px;
}

/* ---------- flash ---------- */
.flash { padding: 12px 18px; border-radius: 14px; margin: 16px 0 0; font-size: 14.5px; font-weight: 500; }
.flash.success { background: var(--mint-bg); color: var(--mint); }
.flash.error { background: var(--rose-bg); color: var(--rose); }

/* ---------- term pills ---------- */
.term-pills { display: flex; gap: 8px; margin: 22px 0 4px; flex-wrap: wrap; }
.term-pills.small { margin: 0 0 16px; }
.pill {
  padding: 8px 18px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--muted); text-decoration: none;
  font-size: 14px; font-weight: 600; transition: all .18s; box-shadow: var(--shadow-sm);
}
.pill:hover { border-color: var(--primary); color: var(--primary); }
.pill.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.pill.disabled { opacity: .4; cursor: default; box-shadow: none; }

/* ---------- dashboard cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 18px 0; }
.card {
  background: var(--surface); border: 1px solid rgba(240, 233, 220, .7);
  border-radius: var(--radius); padding: 20px;
  display: flex; align-items: center; gap: 16px;
  box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .18s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card-icon {
  width: 52px; height: 52px; border-radius: 16px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.icon-blue { background: var(--blue-bg); }
.icon-mint { background: var(--mint-bg); }
.icon-amber { background: var(--amber-bg); }
.card-num { font-size: 28px; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.card-label { font-size: 13px; color: var(--muted); margin-top: 2px; }

/* ---------- panels ---------- */
.grades, .table-section, .form-card {
  background: var(--surface); border: 1px solid rgba(240, 233, 220, .7);
  border-radius: var(--radius); padding: 22px; margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.grades h2, .table-section h2, .form-card h2 { font-size: 17px; font-weight: 700; margin-bottom: 14px; letter-spacing: -.01em; }
.grade-row { display: flex; align-items: center; gap: 12px; margin: 10px 0; }
.grade-badge {
  display: inline-block; min-width: 32px; text-align: center; font-weight: 700;
  padding: 3px 8px; border-radius: 10px; font-size: 13.5px;
}
.grade-A { background: var(--mint-bg); color: var(--mint); }
.grade-B { background: var(--blue-bg); color: var(--blue); }
.grade-C { background: var(--amber-bg); color: var(--amber); }
.grade-D { background: var(--peach-bg); color: var(--peach); }
.grade-F { background: var(--rose-bg); color: var(--rose); }
.bar { flex: 1; height: 10px; background: #f4f1ea; border-radius: 999px; overflow: hidden; }
.fill { height: 100%; border-radius: 999px; transition: width .5s ease; }
.fill-A { background: linear-gradient(90deg, #34d399, #10b981); }
.fill-B { background: linear-gradient(90deg, #60a5fa, #2563eb); }
.fill-C { background: linear-gradient(90deg, #fbbf24, #f59e0b); }
.fill-D { background: linear-gradient(90deg, #fb923c, #ea7c28); }
.fill-F { background: linear-gradient(90deg, #fb7185, #e11d48); }
.grade-count { min-width: 24px; text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }

/* ---------- table ---------- */
.table-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.table-head h2 { margin: 0; }
.search { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.search input, .search select {
  padding: 9px 14px; border: 1.5px solid var(--line); border-radius: 12px; font-size: 14px;
  font-family: inherit; background: var(--bg); color: var(--ink); transition: border-color .18s;
}
.search input { width: 190px; }
.search input:focus, .search select:focus { outline: none; border-color: var(--primary); background: #fff; }
.search button, .clear {
  padding: 9px 16px; border-radius: 12px; border: none;
  background: var(--ink); color: #fff; font-size: 14px; font-weight: 600; cursor: pointer;
  text-decoration: none; font-family: inherit; transition: all .18s;
}
.search button:hover { background: #0f172a; }
.clear { background: var(--bg); color: var(--muted); border: 1.5px solid var(--line); }
.table-scroll { overflow-x: auto; border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 820px; }
thead th {
  padding: 12px 10px; text-align: center; font-weight: 700; font-size: 13px;
  color: var(--muted); text-transform: none; letter-spacing: .01em;
  background: #f7f4ee; white-space: nowrap;
}
thead th:first-child { border-radius: 12px 0 0 0; }
thead th:last-child { border-radius: 0 12px 0 0; }
tbody td { padding: 13px 10px; text-align: center; border-bottom: 1px solid #f4f1ea; font-variant-numeric: tabular-nums; }
tbody tr { transition: background .15s; }
tbody tr:hover td { background: #fdfcfa; }
tbody tr:last-child td { border-bottom: none; }
td.name { text-align: left; font-weight: 700; white-space: nowrap; }
.actions { display: flex; gap: 6px; justify-content: center; align-items: center; white-space: nowrap; }
.actions form { display: inline; }
.mini-btn {
  display: inline-flex; align-items: center; padding: 6px 12px; border-radius: 999px; font-size: 13px;
  font-weight: 600; border: 1.5px solid var(--line); background: #fff; color: var(--ink); cursor: pointer;
  text-decoration: none; font-family: inherit; transition: all .18s;
}
.mini-btn:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-1px); }
.mini-btn.danger { color: var(--rose); }
.mini-btn.danger:hover { border-color: var(--rose); background: var(--rose-bg); }
.empty { color: var(--muted); padding: 20px 0; text-align: center; }
.empty a { color: var(--primary); font-weight: 600; }
.login-note { margin-top: 14px; font-size: 13.5px; color: var(--muted); text-align: center; }
.login-note a { color: var(--primary); font-weight: 600; }
.no-result { color: var(--faint); font-style: italic; }

/* ---------- forms ---------- */
.form-card { max-width: 580px; margin: 24px auto; }
.form-card.narrow { max-width: 430px; }
.form-card label { display: block; margin-bottom: 16px; }
.form-card label span { display: block; font-weight: 600; margin-bottom: 8px; font-size: 14.5px; }
.form-card label em { color: var(--rose); font-style: normal; }
.form-card input, .form-card select {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--line); border-radius: 14px;
  font-size: 15px; font-family: inherit; background: var(--bg); color: var(--ink);
  transition: border-color .18s, background .18s, box-shadow .18s;
}
.form-card input:focus, .form-card select:focus {
  outline: none; border-color: var(--primary); background: #fff;
  box-shadow: 0 0 0 4px rgba(79, 70, 229, .1);
}
.form-actions { display: flex; gap: 10px; margin-top: 20px; }
.btn-primary {
  padding: 12px 26px; border: none; border-radius: 14px; background: var(--primary);
  color: #fff; font-size: 15.5px; font-weight: 700; cursor: pointer; font-family: inherit;
  box-shadow: 0 8px 20px rgba(79, 70, 229, .3); transition: all .18s;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(79, 70, 229, .36); }
.btn-ghost {
  padding: 12px 26px; border-radius: 14px; border: 1.5px solid var(--line);
  color: var(--muted); text-decoration: none; font-size: 15.5px; font-weight: 600; font-family: inherit;
  transition: all .18s;
}
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.inline-form { display: flex; gap: 8px; }
.inline-form input {
  flex: 1; padding: 11px 14px; border: 1.5px solid var(--line); border-radius: 12px;
  font-size: 14.5px; font-family: inherit; background: var(--bg);
}
.inline-form input:focus { outline: none; border-color: var(--primary); background: #fff; }
.mini-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 16px; min-width: 0; }
.mini-table th, .mini-table td { padding: 10px; text-align: left; border-bottom: 1px solid #f4f1ea; }
.mini-table th { color: var(--muted); font-size: 13px; }
.muted { color: var(--faint); }
.pane-note { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.pane-note code { background: #f4f1ea; padding: 2px 8px; border-radius: 8px; font-size: 13px; }
.pane-note a { color: var(--primary); font-weight: 600; }
.import-summary { margin-top: 20px; padding: 16px 18px; background: var(--primary-soft); border-radius: 14px; }
.import-summary h3 { font-size: 15px; margin-bottom: 6px; }
.import-summary ul { margin: 8px 0 0 20px; font-size: 13.5px; color: var(--rose); }
.term-note { color: var(--muted); margin-bottom: 16px; font-size: 14.5px; }
.term-switch a { margin-left: 8px; color: var(--primary); font-size: 13.5px; font-weight: 600; }
.delete-result { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); }

/* ---------- report card ---------- */
.report-card {
  background: var(--surface); border: 1px solid rgba(240, 233, 220, .8);
  border-radius: 22px; padding: 32px; margin: 24px auto; max-width: 660px;
  box-shadow: var(--shadow);
}
.report-head {
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 3px double var(--primary); padding-bottom: 16px; margin-bottom: 20px;
}
.report-school { font-size: 21px; font-weight: 800; color: var(--ink); letter-spacing: -.01em; }
.report-school span { font-size: 11px; letter-spacing: 4px; color: var(--faint); font-weight: 600; }
.report-result { font-size: 20px; font-weight: 800; padding: 8px 20px; border-radius: 999px; }
.report-result.pass { background: var(--mint-bg); color: var(--mint); }
.report-result.fail { background: var(--rose-bg); color: var(--rose); }
.report-info {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px;
  font-size: 15px; margin-bottom: 18px; padding: 14px 18px;
  background: #fbf9f5; border-radius: 14px;
}
.report-info span { color: var(--muted); font-size: 13px; }
.report-table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 0; }
.report-table th, .report-table td { border: 1px solid #f0e9dc; padding: 12px; }
.report-table thead th { background: #f7f4ee; color: var(--muted); font-size: 13px; border-radius: 0; }
.report-table tfoot td { background: #fbf9f5; font-size: 16px; }
.report-remark {
  margin-top: 16px; padding: 14px 18px; background: #fffdf5;
  border: 1px solid #f5e9c8; border-radius: 14px; font-size: 14.5px;
}
.progress-box { margin-top: 14px; padding: 13px 18px; border-radius: 14px; font-size: 14.5px; }
.progress-box.up { background: var(--mint-bg); color: var(--mint); }
.progress-box.down { background: var(--rose-bg); color: var(--rose); }
.report-actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }

@media print {
  .topbar, .footer, .no-print, .flash, .term-pills { display: none !important; }
  body { background: #fff; }
  .wrap { max-width: 100%; }
  .report-card { box-shadow: none; border: 2px solid #000; margin: 0; max-width: 100%; }
}

.footer { text-align: center; color: var(--faint); font-size: 13px; padding: 24px 0 32px; }

@media (max-width: 680px) {
  .cards { grid-template-columns: 1fr 1fr; gap: 12px; }
  .card { padding: 16px; }
  .card-num { font-size: 22px; }
  .card-icon { width: 44px; height: 44px; font-size: 20px; }
  .topbar-inner { flex-direction: column; align-items: flex-start; }
  .search input { width: 100%; }
  .search { width: 100%; }
  .report-card { padding: 22px; }
  .report-info { grid-template-columns: 1fr; }
  .form-actions { flex-direction: column; }
  .form-actions .btn-primary, .form-actions .btn-ghost { text-align: center; }
}