:root {
  --green: #1A6B45; --green-dark: #124d31; --gold: #D4A017; --ink: #2C2C2C;
  --bg: #f6f4ee; --card: #ffffff; --line: #e4dfd2; --muted: #6b6b66; --bad: #a33a2a; --good: #1A6B45;
}
* { box-sizing: border-box; }
html { font-size: 17px; }
body { margin: 0; font-family: Calibri, "Segoe UI", system-ui, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.55; }
h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; color: var(--green); line-height: 1.25; }
h1 { font-size: 1.9rem; margin: 0 0 .4rem; } h2 { font-size: 1.4rem; margin: 0 0 .6rem; } h3 { font-size: 1.1rem; margin: 1.3rem 0 .3rem; }
a { color: var(--green); }
.topbar { background: var(--green); border-bottom: 4px solid var(--gold); display: flex; justify-content: space-between; align-items: center; padding: .7rem 1.2rem; }
.brand { font-family: Georgia, serif; font-weight: 700; color: #fff; text-decoration: none; font-size: 1.2rem; }
.brand span { color: var(--gold); font-weight: 400; }
#nav { display: flex; gap: 1rem; align-items: center; }
#nav a, #nav button { color: #fff; background: none; border: 0; font: inherit; cursor: pointer; text-decoration: underline; padding: 0; }
main { max-width: 860px; margin: 1.5rem auto 4rem; padding: 0 1rem; }
main.wide { max-width: 1200px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1.3rem 1.5rem; margin-bottom: 1rem; }
.muted { color: var(--muted); } .center { text-align: center; } .pad { padding: 3rem 0; }
.btn { display: inline-block; background: var(--green); color: #fff; border: 0; border-radius: 8px; padding: .65rem 1.2rem; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover:not(:disabled) { background: var(--green-dark); }
.btn:disabled { background: #b9c7bf; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--green); border: 1px solid var(--green); }
.btn.gold { background: var(--gold); color: #2C2C2C; }
.btn.small { padding: .35rem .8rem; font-size: .9rem; }
input[type=email], input[type=text], input[type=number], select { font: inherit; padding: .6rem .7rem; border: 1px solid #c9c3b3; border-radius: 8px; width: 100%; }
label { display: block; font-weight: 600; margin: .8rem 0 .25rem; }
.row { display: flex; gap: .75rem; flex-wrap: wrap; align-items: center; }
.grow { flex: 1; }
.pill { display: inline-block; padding: .1rem .6rem; border-radius: 999px; font-size: .8rem; font-weight: 600; background: #eee; }
.pill.done { background: #dcefe4; color: var(--green-dark); } .pill.prog { background: #fbf0cf; color: #7a5a00; } .pill.todo { background: #ece9df; color: var(--muted); }
.bar { height: 10px; background: #e8e4d6; border-radius: 6px; overflow: hidden; } .bar > i { display: block; height: 100%; background: var(--green); transition: width .4s; }
.bar.gold > i { background: var(--gold); }
.module-card { display: flex; gap: 1rem; justify-content: space-between; align-items: center; }
.lesson-head { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: .6rem 0 .8rem; border-bottom: 1px solid var(--line); margin-bottom: 1rem; }
.timer { display: flex; justify-content: space-between; font-size: .9rem; margin-bottom: .35rem; }
.paused { color: var(--bad); font-weight: 700; }
.lesson p, .lesson li { font-size: 1.02rem; }
.lesson ul, .lesson ol { padding-left: 1.3rem; }
.note { background: #fbf6e4; border-left: 4px solid var(--gold); padding: .6rem .9rem; border-radius: 4px; }
.ref { font-size: .88rem; color: var(--muted); border-top: 1px dashed var(--line); padding-top: .6rem; margin-top: 1.2rem; }
.script { background: #eef6f1; border-left: 4px solid var(--green); padding: .6rem .9rem; border-radius: 4px; font-style: italic; }
.q { border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.2rem; margin: 1rem 0; background: #fff; }
.q .prompt { font-weight: 700; margin-bottom: .5rem; }
.opt { display: flex; gap: .6rem; align-items: flex-start; padding: .5rem .6rem; border: 1px solid var(--line); border-radius: 8px; margin: .35rem 0; cursor: pointer; }
.opt:hover { border-color: var(--green); }
.opt input { margin-top: .3rem; }
.opt.right { background: #e5f4ea; border-color: var(--good); } .opt.wrong { background: #f9e5e1; border-color: var(--bad); }
.fb { margin-top: .5rem; font-size: .95rem; } .fb.ok { color: var(--good); } .fb.no { color: var(--bad); }
.nav-row { display: flex; justify-content: space-between; gap: .75rem; margin-top: 1.5rem; align-items: center; }
.modal-back { position: fixed; inset: 0; background: rgba(20,30,25,.65); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 1rem; }
.modal { background: #fff; border-radius: 12px; padding: 1.6rem; max-width: 440px; width: 100%; text-align: center; border-top: 6px solid var(--gold); }
.modal .row { justify-content: center; margin-top: 1rem; }
.shake { animation: shake .3s; } @keyframes shake { 25% { transform: translateX(-6px);} 75% { transform: translateX(6px);} }
table { width: 100%; border-collapse: collapse; font-size: .9rem; background: #fff; }
th, td { border: 1px solid var(--line); padding: .45rem .55rem; text-align: left; vertical-align: top; }
th { background: #efece0; }
.cell-done { background: #e5f4ea; } .cell-prog { background: #fdf6dc; }
.err { color: var(--bad); font-weight: 600; }
.cert { background: #fff; border: 10px double var(--green); padding: 3rem 2rem; text-align: center; margin: 1rem 0; }
.cert h1 { font-size: 2.4rem; } .cert .name { font-family: Georgia, serif; font-size: 2rem; border-bottom: 2px solid var(--gold); display: inline-block; padding: 0 1.5rem .2rem; margin: 1rem 0; }
.hidden { display: none !important; }
@media print { .topbar, .no-print { display: none !important; } body { background: #fff; } main { margin: 0; max-width: none; } }
@media (max-width: 600px) { html { font-size: 16px; } .module-card { flex-direction: column; align-items: flex-start; } }