:root {
  --ink: #12302e;
  --paper: #f5f8f7;
  --white: #ffffff;
  --line: #d3dedb;
  --green: #1f6b5c;
  --green-dark: #164e43;
  --gold: #b8862b;
  --muted: #58706c;
  --bad: #a93b2b;
  --warn: #8a6410;
  --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Ethiopic", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 var(--sans);
}

/* ---------- header ---------- */
.top {
  background: var(--ink);
  color: #fff;
  border-bottom: 4px solid var(--gold);
}
.top-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 22px 20px 18px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.top.wide .top-inner { max-width: 1040px; }
.brand { margin: 0; font: 400 clamp(1.7rem, 6vw, 2.4rem)/1.1 var(--serif); letter-spacing: 0.01em; }
.brand small { display: block; margin-top: 6px; font: 400 0.95rem/1.3 var(--sans); color: #b9cfca; }
.lang { display: flex; gap: 4px; }
.lang button {
  background: transparent; color: #cfe0dc; border: 1px solid #4b6b66;
  padding: 6px 12px; font: inherit; font-size: 0.9rem; cursor: pointer; border-radius: 4px;
}
.lang button[aria-pressed="true"] { background: var(--gold); border-color: var(--gold); color: #1d1405; }

/* ---------- layout ---------- */
main { max-width: 760px; margin: 0 auto; padding: 8px 20px 64px; }
main.wide { max-width: 1040px; }

.tabs { display: flex; gap: 24px; border-bottom: 1px solid var(--line); margin: 20px 0 8px; }
.tabs button {
  background: none; border: 0; border-bottom: 3px solid transparent; padding: 12px 0;
  font: 600 1rem var(--sans); color: var(--muted); cursor: pointer;
}
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--gold); }

h2 { font: 400 1.35rem/1.3 var(--serif); margin: 36px 0 4px; color: var(--green-dark); }
.hint { color: var(--muted); font-size: 0.92rem; margin: 0 0 12px; }

/* ---------- forms ---------- */
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.grid { display: grid; gap: 14px 18px; grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .grid.two { grid-template-columns: 1fr 1fr; }
  .span2 { grid-column: 1 / -1; }
}
label { display: block; font-weight: 600; font-size: 0.94rem; margin-bottom: 4px; }
.opt { font-weight: 400; color: var(--muted); }
input, select, textarea {
  width: 100%; padding: 11px 12px; font: inherit; color: var(--ink);
  background: var(--white); border: 1px solid #b7c7c3; border-radius: 6px;
}
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible {
  outline: 3px solid rgba(184, 134, 43, 0.55); outline-offset: 1px; border-color: var(--gold);
}
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin-top: 10px; }
.check input { width: 20px; height: 20px; margin-top: 3px; flex: none; }

.btn {
  display: inline-block; background: var(--green); color: #fff; border: 0; border-radius: 6px;
  padding: 12px 22px; font: 600 1rem var(--sans); cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--green-dark); }
.btn:disabled { opacity: 0.6; cursor: wait; }
.btn.ghost { background: transparent; color: var(--green-dark); border: 1px solid var(--green); }
.btn.ghost:hover { background: #e4efec; }
.btn.danger { background: transparent; color: var(--bad); border: 1px solid var(--bad); }
.btn.danger:hover { background: #f8e6e2; }
.btn.small { padding: 7px 12px; font-size: 0.9rem; }
.submit-row { margin-top: 28px; }

.msg { margin: 16px 0 0; padding: 12px 14px; border-radius: 6px; font-size: 0.95rem; }
.msg.error { background: #f8e6e2; color: #7d2a1e; border: 1px solid #e3b5ac; }
.msg.ok { background: #e1f0ec; color: var(--green-dark); border: 1px solid #b4d6cd; }

.hidden { display: none !important; }

/* ---------- result panels ---------- */
.result { margin-top: 28px; padding: 22px 0 0; border-top: 4px solid var(--gold); }
.regno { font: 400 2.2rem/1.1 var(--serif); color: var(--green-dark); letter-spacing: 0.04em; margin: 6px 0 12px; }
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 99px; font-size: 0.85rem; font-weight: 600;
  background: #e8eeec; color: var(--muted);
}
.badge.approved { background: #dcefe9; color: var(--green-dark); }
.badge.pending { background: #f6ecd2; color: var(--warn); }
.badge.waitlist { background: #e3e9f4; color: #2f4a7d; }
.badge.rejected { background: #f5dcd7; color: var(--bad); }

/* ---------- admin ---------- */
.bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; margin: 18px 0 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  background: var(--white); border: 1px solid var(--line); border-radius: 99px; padding: 6px 14px;
  font: 600 0.9rem var(--sans); color: var(--muted); cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.filters { display: grid; gap: 10px; grid-template-columns: 1fr; margin: 12px 0 18px; }
@media (min-width: 640px) { .filters { grid-template-columns: 2fr 1fr 1fr; } }

.rows { border-top: 1px solid var(--line); }
.row { border-bottom: 1px solid var(--line); }
.row-head {
  width: 100%; background: none; border: 0; text-align: left; padding: 14px 4px; cursor: pointer;
  display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; font: inherit; color: inherit;
}
.row-head:hover { background: #eaf1ef; }
.row-name { font-weight: 600; }
.row-sub { color: var(--muted); font-size: 0.9rem; grid-column: 1; }
.row-head .badge { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
.detail { padding: 6px 4px 20px; }
.detail dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0 0 16px; }
.detail dt { color: var(--muted); font-size: 0.9rem; }
.detail dd { margin: 0; overflow-wrap: anywhere; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 10px; }
.actions select { width: auto; min-width: 180px; }

.empty { padding: 32px 4px; color: var(--muted); }

.class-form { padding: 16px 0; border-bottom: 1px solid var(--line); }
.class-form h3 { font: 600 1.05rem var(--sans); margin: 0 0 10px; }

.login { max-width: 380px; margin: 56px auto; padding: 0 20px; }

/* header buttons on dark background */
#top-actions { display: flex; gap: 8px; flex-wrap: wrap; }
#top-actions.hidden { display: none; }
.top .btn.ghost { color: #fff; border-color: #4b6b66; }
.top .btn.ghost:hover { background: #24504b; }

/* fees */
.badge.paid { background: #dcefe9; color: var(--green-dark); }
.badge.partial { background: #f6ecd2; color: var(--warn); }
.badge.unpaid { background: #f5dcd7; color: var(--bad); }
.badge.none { background: #e8eceb; color: var(--muted); }
.fee-summary { color: var(--muted); margin: 8px 0 0; }
.fee-box { border-top: 1px solid var(--line); padding-top: 12px; margin: 4px 0 16px; }
.fee-box h4 { font: 600 1rem var(--sans); margin: 0 0 8px; }
.fee-line { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 10px; }
.fee-line input { width: auto; max-width: 170px; }
.pay-row { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 6px 0; border-bottom: 1px dashed var(--line); font-size: 0.95rem; }
.pay-row span { overflow-wrap: anywhere; }
.pay-form { display: grid; gap: 8px; grid-template-columns: 1fr; margin-top: 10px; }
@media (min-width: 640px) { .pay-form { grid-template-columns: 1fr 1fr; } }

/* photo */
.hint { color: var(--muted); font-size: 0.9rem; margin: 4px 0 0; }
.photo-box { display: flex; align-items: center; gap: 14px; margin-top: 10px; }
.photo-box img { width: 96px; height: 96px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); background: #fff; }
.avatar { display: block; width: 96px; height: 96px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); margin: 0 0 14px; }

/* attendance */
.att-pick { display: grid; gap: 10px; grid-template-columns: 1fr; margin: 10px 0; }
@media (min-width: 640px) { .att-pick { grid-template-columns: 2fr 1fr; } }
.att-dates { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 12px; }
.att-dates .chip { padding: 5px 10px; font-size: 0.85rem; min-height: 0; }
.att-row { padding: 10px 4px 12px; border-bottom: 1px solid var(--line); }
.att-row .who { font-weight: 600; }
.att-row small { color: var(--muted); font-weight: 400; margin-left: 6px; }
.seg { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.seg button { font: inherit; font-size: 0.92rem; min-height: 40px; padding: 7px 12px; border: 1px solid var(--line); background: #fff; border-radius: 6px; cursor: pointer; color: var(--ink); }
.seg button[aria-pressed="true"] { color: #fff; font-weight: 600; }
.seg button.present[aria-pressed="true"] { background: var(--green); border-color: var(--green); }
.seg button.late[aria-pressed="true"] { background: var(--warn); border-color: var(--warn); }
.seg button.absent[aria-pressed="true"] { background: var(--bad); border-color: var(--bad); }
.seg button.excused[aria-pressed="true"] { background: #4a6a8a; border-color: #4a6a8a; }