/* LSATPathway rebuild prototype — plain stylesheet, no frameworks. */

:root {
  --ink: #1a2332;
  --muted: #5b6b82;
  --bg: #f7f9fc;
  --card: #ffffff;
  --line: #e2e8f0;
  --accent: #1f3a5f;
  --accent-hover: #16294a;
  --green: #15803d;
  --green-bg: #dcfce7;
  --red: #b91c1c;
  --red-bg: #fee2e2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

.container { max-width: 960px; margin: 0 auto; padding: 0 1.25rem; }

main.container { padding-top: 2rem; padding-bottom: 4rem; }

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

/* Header / nav */
.site-header { background: var(--accent); color: #fff; }
.nav { display: flex; align-items: center; justify-content: space-between; padding-top: .75rem; padding-bottom: .75rem; flex-wrap: wrap; gap: .5rem; }
.brand { color: #fff; font-weight: 700; font-size: 1.15rem; text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.nav-links a { color: #dbe4f0; text-decoration: none; }
.nav-links a:hover { color: #fff; }
.nav-user { color: #dbe4f0; font-size: .9rem; }
.inline-form { display: inline; margin: 0; }
.link-btn { background: none; border: none; color: #dbe4f0; cursor: pointer; font: inherit; padding: 0; }
.link-btn:hover { color: #fff; text-decoration: underline; }

.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; padding: 1rem 0; }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: .4rem;
  padding: .55rem 1.1rem;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: var(--accent-hover); color: #fff; }
.btn-small { padding: .35rem .8rem; font-size: .9rem; }
.btn-outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }

/* Hero */
.hero { text-align: center; padding: 3rem 0; }
.hero h1 { font-size: 2rem; margin-bottom: .5rem; }
.hero-links { margin-top: 1.5rem; display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; margin: 1rem 0 2rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: .6rem;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.plan-card h2 { margin: 0; }
.plan-price { font-size: 1.8rem; font-weight: 700; margin: 0; }
a.card.drill-card { text-decoration: none; color: inherit; }
a.card.drill-card:hover { border-color: var(--accent); }

/* Lists, badges, misc */
.muted { color: var(--muted); }
.error { color: var(--red); font-weight: 600; }
.badge {
  display: inline-block;
  background: #fef3c7;
  color: #92400e;
  border-radius: .3rem;
  font-size: .75rem;
  padding: .1rem .45rem;
  margin-left: .5rem;
  vertical-align: middle;
}
.section-tag {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border-radius: .3rem;
  font-size: .8rem;
  padding: .1rem .5rem;
  margin-right: .5rem;
}
.unit { margin-bottom: 2rem; }
.lesson-list { list-style: none; padding: 0; }
.lesson-list li { padding: .4rem 0; border-bottom: 1px solid var(--line); }
.lesson-body { background: var(--card); border: 1px solid var(--line); border-radius: .6rem; padding: 1.5rem; }
.lesson-body p { margin: 0 0 1rem; }
.lesson-body ul, .lesson-body ol { margin: 0 0 1rem; padding-left: 1.5rem; }

/* Auth forms */
.auth-form { display: flex; flex-direction: column; gap: 1rem; max-width: 380px; }
.auth-form label { display: flex; flex-direction: column; gap: .3rem; font-weight: 600; }
.auth-form input { padding: .55rem .7rem; font-size: 1rem; border: 1px solid var(--line); border-radius: .4rem; }

/* Tables */
.stats { border-collapse: collapse; background: var(--card); }
.stats th, .stats td { border: 1px solid var(--line); padding: .5rem .9rem; text-align: left; }
.stats th { background: #eef2f7; }

/* Drill pages */
.drill-top { margin-bottom: 1rem; }
.drill-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 1.5rem; align-items: start; }
@media (max-width: 760px) { .drill-grid { grid-template-columns: 1fr; } }
.passage-panel { background: var(--card); border: 1px solid var(--line); border-radius: .6rem; padding: 1.25rem; }
.passage-panel h2 { margin-top: 0; font-size: 1.1rem; }
.passage-text { white-space: pre-wrap; font-size: .95rem; max-height: 70vh; overflow-y: auto; }
.question-panel .stimulus { white-space: pre-wrap; background: var(--card); border: 1px solid var(--line); border-radius: .6rem; padding: 1.25rem; margin-bottom: 1rem; }
.stem { font-size: 1.05rem; }
.choices { display: flex; flex-direction: column; gap: .5rem; margin: 1rem 0; }
.choice {
  display: flex; gap: .75rem; align-items: flex-start;
  background: var(--card); border: 1px solid var(--line); border-radius: .5rem;
  padding: .7rem .9rem; cursor: pointer;
}
.choice-letter { font-weight: 700; min-width: 1.25rem; }
.choice.correct { border-color: var(--green); background: var(--green-bg); }
.choice.wrong { border-color: var(--red); background: var(--red-bg); }
.tag { font-size: .75rem; font-weight: 700; border-radius: .3rem; padding: .1rem .45rem; margin-left: auto; white-space: nowrap; }
.tag-correct { background: var(--green); color: #fff; }
.tag-wrong { background: var(--red); color: #fff; }
.explanation { background: var(--card); border: 1px solid var(--line); border-radius: .6rem; padding: 1.25rem; margin: 1rem 0; }
.explanation h3 { margin-top: 0; }
.score-line { font-size: 1.25rem; }
.review-list { list-style: none; padding: 0; }
.review-list li { padding: .5rem .8rem; border: 1px solid var(--line); border-radius: .4rem; margin-bottom: .4rem; background: var(--card); }
.review-correct { border-left: 4px solid var(--green); }
.review-wrong { border-left: 4px solid var(--red); }

/* Timed test runner (diagnostic + timed sections) */
.timer-bar {
  position: sticky; top: 0; z-index: 60;
  background: var(--accent); color: #fff;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: .65rem 1rem; border-radius: .5rem;
  font-weight: 700; font-size: 1.05rem; margin-bottom: 1rem;
}
.timer-bar.danger { background: var(--red); }
.runner-wrap { max-width: 720px; margin: 0 auto; }
.rc-runner-grid { display: grid; grid-template-columns: 1fr 1.35fr; gap: 1.5rem; align-items: start; }
.rc-passage-sticky { position: sticky; top: .75rem; max-height: calc(100vh - 6rem); overflow-y: auto; }
@media (max-width: 760px) {
  .rc-runner-grid { grid-template-columns: 1fr; }
  .rc-passage-sticky { position: static; max-height: 42vh; }
}
.qnav { display: flex; flex-wrap: wrap; gap: .4rem; margin: 1rem 0; }
.qnav-btn {
  min-width: 2.75rem; min-height: 2.75rem;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: .4rem; background: var(--card);
  text-decoration: none; color: var(--ink); font-weight: 600;
}
.qnav-btn.answered { background: var(--accent); border-color: var(--accent); color: #fff; }
.qnav-btn.flagged { border-color: var(--red); box-shadow: inset 0 -3px 0 var(--red); }
.qnav-btn.current { outline: 2px solid var(--ink); outline-offset: 1px; }
.runner-nav { display: flex; gap: .6rem; margin: 1.25rem 0; flex-wrap: wrap; }
.choice.picked { border-color: var(--accent); background: #eef2f7; }
.flag-row { margin: .9rem 0; }
.review-card { background: var(--card); border: 1px solid var(--line); border-radius: .6rem; padding: 1.25rem; margin-bottom: 1.25rem; }
.cta-row { margin-top: 1.25rem; }
details summary { cursor: pointer; font-weight: 600; margin-bottom: .5rem; }

/* Mobile: roomy touch targets, readable measure, no horizontal scroll */
@media (max-width: 480px) {
  .choice { padding: 1rem .9rem; font-size: 1.02rem; }
  .btn { padding: .7rem 1.2rem; }
  .timer-bar { font-size: 1rem; padding: .6rem .8rem; }
  .timer-bar span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
  .container { padding-left: 1rem; padding-right: 1rem; }
  .stimulus, .passage-text { overflow-wrap: break-word; }
  .stats { font-size: .85rem; }
  .stats th, .stats td { padding: .4rem .5rem; }
}

/* Admin + tutor */
.small { font-size: .85rem; }
.table-wrap { overflow-x: auto; margin: 1rem 0; }
.nowrap { white-space: nowrap; }
.notice {
  background: var(--green-bg); border: 1px solid var(--green);
  border-radius: .5rem; padding: .8rem 1rem;
}
.toolbar { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin: 1rem 0; }
.toolbar input[type="search"], .toolbar select, .toolbar input[type="text"] {
  padding: .5rem .7rem; font-size: 1rem; border: 1px solid var(--line); border-radius: .4rem;
}
.stack-form { display: flex; flex-direction: column; gap: .9rem; max-width: 560px; margin: 1rem 0; }
.stack-form.wide { max-width: 760px; }
.stack-form label, .stack-form fieldset { display: flex; flex-direction: column; gap: .3rem; font-weight: 600; }
.stack-form fieldset { border: 1px solid var(--line); border-radius: .4rem; padding: .8rem 1rem; }
.stack-form input[type="text"], .stack-form input[type="search"], .stack-form input[type="tel"],
.stack-form select, .stack-form textarea {
  padding: .55rem .7rem; font-size: 1rem; font-weight: 400;
  border: 1px solid var(--line); border-radius: .4rem; width: 100%;
}
.stack-form textarea { font-family: inherit; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .9rem; }
.check-label { flex-direction: row !important; align-items: center; gap: .5rem !important; font-weight: 400; }
.check-group { gap: .5rem !important; }
.check-group .check-label { font-weight: 400; }
.btn-danger { background: var(--red); }
.btn-danger:hover { background: #991b1b; color: #fff; }
.danger-link { color: var(--red); }
.danger-link:hover { color: #991b1b; }
.pager { display: flex; gap: .6rem; margin: 1rem 0; }