/* ==========================================================
   mrminnerly.com  ·  site.css
   Shared styles for the high school math site (home, course
   tabs, archive hub). The 5th grade archive pages keep their
   own styles.css and never load this file.
   ========================================================== */

:root {
  --paper: #f7f4ec;
  --paper-2: #efeadd;
  --paper-3: #e6e0cf;
  --ink: #1a1d29;
  --ink-2: #3d4152;
  --ink-3: #6b7080;
  --rule: #d9d3c3;
  --rule-2: #c7c0ad;
  --card: #fffdf8;
  --mark: #d84a1b;          /* today, primary actions */
  --mark-soft: #fbe3da;
  --lock: #9a9483;
  --ok: #1f8a3c;

  --course: #1a1d29;        /* set per page */
  --course-soft: #e9e7e0;
  --course-mid: #a9a596;
  --course-deep: #1a1d29;

  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  --u: 8px;
  --r: 4px;
  --max: 1080px;
  --shadow: 0 1px 0 rgba(26,29,41,.06), 0 8px 24px -12px rgba(26,29,41,.18);
}

body.course-algebra1 { --course: #2457d6; --course-soft: #dfe7fb; --course-mid: #7c9ce8; --course-deep: #16337f; }
body.course-geometry { --course: #1f8a3c; --course-soft: #dcf1e2; --course-mid: #6fbf87; --course-deep: #14532d; }
body.course-algebra2 { --course: #6f3fd1; --course-soft: #e9e0fb; --course-mid: #ad8fe6; --course-deep: #46257f; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  border-top: 6px solid var(--ink);
}
a { color: inherit; }
img { max-width: 100%; }
button { font: inherit; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 calc(var(--u) * 3); }

/* eyebrow labels: mono, tracked caps */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ---------- header ---------- */
.top {
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.brand-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: calc(var(--u) * 2);
  padding: calc(var(--u) * 2) 0 calc(var(--u) * 1.5);
}
.brand { display: flex; align-items: baseline; gap: calc(var(--u) * 1.5); text-decoration: none; }
.brand-name { font-weight: 800; font-size: 20px; letter-spacing: -.01em; }
.brand-school { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.brand-today { font-family: var(--mono); font-size: 12px; color: var(--ink-3); white-space: nowrap; }

.tabs {
  display: flex; gap: 0; overflow-x: auto; scrollbar-width: none;
  margin: 0 calc(var(--u) * -3); padding: 0 calc(var(--u) * 3);
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex: 0 0 auto;
  display: inline-flex; align-items: center; gap: var(--u);
  padding: calc(var(--u) * 1.25) calc(var(--u) * 2);
  text-decoration: none; font-weight: 600; font-size: 14px;
  color: var(--ink-2);
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
}
.tab .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--tab-color, var(--ink-3)); }
.tab:hover { color: var(--ink); background: var(--paper-2); }
.tab.is-active { color: var(--ink); border-bottom-color: var(--tab-color, var(--ink)); }
.tab.archive { margin-left: auto; color: var(--ink-3); font-weight: 500; }

/* ---------- course page head ---------- */
.course-head { padding: calc(var(--u) * 4) 0 calc(var(--u) * 3); }
.course-head h1 {
  margin: 0 0 var(--u);
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 800; letter-spacing: -.02em; line-height: 1.05;
}
.course-head h1 span { color: var(--course); }
.course-meta { display: flex; flex-wrap: wrap; gap: var(--u) calc(var(--u) * 2); align-items: center; }

.blurb {
  margin-top: calc(var(--u) * 3);
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--course);
  border-radius: var(--r);
  padding: calc(var(--u) * 2.5) calc(var(--u) * 3);
  box-shadow: var(--shadow);
}
.blurb .eyebrow { margin-bottom: 6px; color: var(--course-deep); }
.blurb p { margin: 0; font-size: 17px; line-height: 1.55; max-width: 72ch; }
.blurb p + p { margin-top: 10px; }
.blurb .stamp { margin-top: 10px; }

/* ---------- sub tabs ---------- */
.subtabs {
  display: flex; gap: var(--u); flex-wrap: wrap;
  margin: calc(var(--u) * 3) 0 calc(var(--u) * 2);
  border-bottom: 1px solid var(--rule);
  padding-bottom: calc(var(--u) * 2);
}
.subtab {
  border: 1px solid var(--rule-2); background: var(--card); color: var(--ink);
  padding: 8px 14px; border-radius: 999px; font-weight: 600; font-size: 14px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
}
.subtab:hover { border-color: var(--ink-3); }
.subtab.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.subtab .count { font-family: var(--mono); font-size: 11px; opacity: .75; }

.panel[hidden] { display: none; }

/* ---------- calendar controls ---------- */
.cal-bar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--u); flex-wrap: wrap;
  margin-bottom: calc(var(--u) * 2);
}
.cal-nav { display: flex; align-items: center; gap: 6px; }
.btn {
  border: 1px solid var(--rule-2); background: var(--card); color: var(--ink);
  padding: 7px 12px; border-radius: var(--r); font-weight: 600; font-size: 13px; cursor: pointer;
  font-family: var(--mono);
}
.btn:hover { border-color: var(--ink-3); background: #fff; }
.btn.today { border-color: var(--mark); color: var(--mark); }
.cal-title { font-weight: 800; font-size: 20px; letter-spacing: -.01em; min-width: 200px; }
.cal-title small { display: block; font-family: var(--mono); font-size: 11px; font-weight: 500; color: var(--ink-3); letter-spacing: .1em; text-transform: uppercase; }
.seg { display: inline-flex; border: 1px solid var(--rule-2); border-radius: var(--r); overflow: hidden; }
.seg button { border: 0; background: var(--card); padding: 7px 14px; font-weight: 600; font-size: 13px; cursor: pointer; color: var(--ink-2); }
.seg button + button { border-left: 1px solid var(--rule-2); }
.seg button.is-active { background: var(--ink); color: var(--paper); }

/* ---------- week view ---------- */
.week {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--rule-2); border-radius: var(--r); overflow: hidden;
  background: var(--card); box-shadow: var(--shadow);
}
.day { border-left: 1px solid var(--rule); padding: 0; min-height: 260px; display: flex; flex-direction: column; }
.day:first-child { border-left: 0; }
.day-head {
  display: flex; align-items: baseline; gap: 8px;
  padding: 10px 12px 8px; border-bottom: 1px solid var(--rule);
  background: var(--paper-2);
}
.day-head .dow { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.day-head .num { font-family: var(--mono); font-weight: 700; font-size: 20px; line-height: 1; margin-left: auto; }
.day.is-today .day-head { background: var(--mark-soft); border-bottom-color: var(--mark); }
.day.is-today .day-head .dow { color: var(--mark); }
.day.is-today .day-head .num { color: var(--mark); }
.day.is-off { background: repeating-linear-gradient(135deg, var(--paper-2) 0 6px, var(--card) 6px 12px); }
.day.is-off .day-head { background: var(--paper-3); }
.day-body { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.lesson-chip {
  display: inline-block; font-family: var(--mono); font-size: 11px; font-weight: 700;
  color: var(--course-deep); background: var(--course-soft); padding: 2px 6px; border-radius: 3px;
}
.day-title { font-weight: 700; font-size: 14px; line-height: 1.3; margin: 0; }
.day-note { font-size: 13px; color: var(--ink-3); margin: 0; }
.off-label { font-weight: 700; font-size: 14px; color: var(--ink-2); }
.items { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.item a, .item .locked {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 8px; border-radius: var(--r); font-size: 13px; font-weight: 600;
  text-decoration: none; border: 1px solid transparent; flex-wrap: wrap;
}
.item a { background: var(--paper); border-color: var(--rule); color: var(--ink); }
.item a:hover { border-color: var(--course); background: #fff; }
.item .locked { color: var(--lock); background: transparent; border: 1px dashed var(--rule-2); font-weight: 500; }
.item .ic {
  flex: 0 0 auto; width: 22px; height: 22px; border-radius: 4px;
  display: grid; place-items: center; font-family: var(--mono); font-size: 10px; font-weight: 700;
  color: #fff; background: var(--course);
}
.item .ic.warmup { background: var(--ink-2); }
.item .ic.slides { background: var(--course); }
.item .ic.practice { background: var(--course-deep); }
.item .ic.notes { background: var(--ink-3); }
.item .ic.other { background: var(--ink-3); }
.item .locked .ic { background: var(--rule-2); color: var(--ink-3); }
.item .due { flex: 0 0 100%; padding-left: 30px; margin-top: 2px; font-family: var(--mono); font-size: 10px; font-weight: 500; color: var(--ink-3); white-space: nowrap; }
.item .ext { margin-left: auto; font-family: var(--mono); font-size: 10px; color: var(--ink-3); }
.item a .due { color: var(--course-deep); }

/* ---------- month view ---------- */
.month {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--rule-2); border-radius: var(--r); overflow: hidden;
  background: var(--card); box-shadow: var(--shadow);
}
.month .mh { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); padding: 8px 10px; background: var(--paper-2); border-bottom: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.month .mh:first-child { border-left: 0; }
.mday {
  border: 0; border-left: 1px solid var(--rule); border-top: 1px solid var(--rule);
  min-height: 108px; padding: 8px 10px; text-align: left; background: var(--card);
  display: flex; flex-direction: column; gap: 4px; cursor: pointer; font: inherit; color: inherit;
}
.mday:nth-child(5n + 1) { border-left: 0; }
.mday:hover { background: #fff; }
.mday.is-out { background: var(--paper-2); color: var(--ink-3); cursor: default; }
.mday.is-off { background: repeating-linear-gradient(135deg, var(--paper-2) 0 6px, var(--card) 6px 12px); cursor: default; }
.mday .num { font-family: var(--mono); font-weight: 700; font-size: 14px; }
.mday.is-today .num { color: var(--mark); }
.mday.is-today { box-shadow: inset 0 3px 0 var(--mark); }
.mday .t { font-size: 12px; font-weight: 600; line-height: 1.3; }
.mday .t.muted { color: var(--ink-3); font-weight: 500; }
.mday .pips { display: flex; gap: 3px; margin-top: auto; }
.mday .pip { width: 8px; height: 8px; border-radius: 2px; background: var(--course); }
.mday .pip.warmup { background: var(--ink-2); }
.mday .pip.practice { background: var(--course-deep); }
.mday .pip.notes { background: var(--ink-3); }
.mday .pip.locked { background: var(--rule-2); }

/* ---------- legend ---------- */
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 12px; font-size: 12px; color: var(--ink-3); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; background: var(--course); }
.legend i.warmup { background: var(--ink-2); }
.legend i.practice { background: var(--course-deep); }
.legend i.notes { background: var(--ink-3); }
.legend i.locked { background: var(--rule-2); }
.legend i.today { background: var(--mark); }

/* ---------- assignments ---------- */
.callout {
  background: var(--card); border: 1px solid var(--rule); border-left: 3px solid var(--mark);
  border-radius: var(--r); padding: 14px 18px; margin-bottom: 20px; max-width: 76ch;
}
.callout p { margin: 0; }
.callout p + p { margin-top: 6px; }
.asg-week { margin-bottom: 22px; }
.asg-week h3 { margin: 0 0 8px; font-size: 13px; font-family: var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; }
.asg { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.asg li {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 14px; align-items: center;
  background: var(--card); border: 1px solid var(--rule); border-radius: var(--r); padding: 12px 14px;
}
.asg li.is-locked { opacity: .7; }
.asg .date { font-family: var(--mono); font-size: 12px; line-height: 1.25; color: var(--ink-3); }
.asg .date b { display: block; font-size: 15px; color: var(--ink); }
.asg .what { min-width: 0; }
.asg .what .t { font-weight: 700; font-size: 15px; }
.asg .what .s { font-size: 13px; color: var(--ink-3); }
.asg .links { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 11px; border-radius: 999px; font-size: 13px; font-weight: 600; text-decoration: none;
  border: 1px solid var(--rule-2); background: var(--paper); color: var(--ink);
}
.pill.primary { background: var(--course); border-color: var(--course); color: #fff; }
.pill.primary:hover { background: var(--course-deep); }
.pill:hover { border-color: var(--ink-3); }
.pill.locked { color: var(--lock); border-style: dashed; cursor: default; }
.empty { color: var(--ink-3); padding: 20px 0; }

/* ---------- course info ---------- */
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.info-card { background: var(--card); border: 1px solid var(--rule); border-radius: var(--r); padding: 18px 20px; }
.info-card h3 { margin: 0 0 8px; font-size: 16px; }
.info-card p, .info-card li { font-size: 14px; }
.info-card ul { padding-left: 18px; margin: 6px 0; }
.info-card .big { font-size: 26px; font-weight: 800; font-family: var(--mono); color: var(--course); }
.grade-bar { display: flex; height: 12px; border-radius: 3px; overflow: hidden; margin: 8px 0 10px; }
.grade-bar span { display: block; height: 100%; }
.gb-legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; }
.gb-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; }

/* ---------- home ---------- */
.hero { padding: calc(var(--u) * 6) 0 calc(var(--u) * 4); }
.hero h1 { margin: 6px 0 10px; font-size: clamp(34px, 6vw, 60px); font-weight: 800; letter-spacing: -.025em; line-height: 1; }
.hero p { margin: 0; font-size: 18px; max-width: 60ch; color: var(--ink-2); }
.courses { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: calc(var(--u) * 2) 0 calc(var(--u) * 5); }
.course-card {
  display: block; text-decoration: none; color: inherit;
  background: var(--card); border: 1px solid var(--rule); border-top: 4px solid var(--c);
  border-radius: var(--r); padding: 20px 22px 18px; box-shadow: var(--shadow);
}
.course-card:hover { border-color: var(--c); }
.course-card h2 { margin: 4px 0 2px; font-size: 24px; font-weight: 800; letter-spacing: -.01em; }
.course-card .periods { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.course-card p { font-size: 14px; color: var(--ink-2); margin: 10px 0 12px; min-height: 42px; }
.course-card .go { font-weight: 700; font-size: 14px; color: var(--c); }
.section { padding: 0 0 calc(var(--u) * 5); }
.section h2 { font-size: 22px; font-weight: 800; letter-spacing: -.01em; margin: 0 0 12px; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.steps li { counter-increment: s; background: var(--card); border: 1px solid var(--rule); border-radius: var(--r); padding: 16px 16px 16px 54px; position: relative; font-size: 14px; }
.steps li::before { content: counter(s); position: absolute; left: 16px; top: 14px; width: 26px; height: 26px; border-radius: 50%; background: var(--ink); color: var(--paper); font-family: var(--mono); font-weight: 700; font-size: 13px; display: grid; place-items: center; }
.steps b { display: block; margin-bottom: 2px; }
.two { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.plain-card { background: var(--card); border: 1px solid var(--rule); border-radius: var(--r); padding: 18px 20px; font-size: 14px; }
.plain-card h2 { font-size: 18px; margin-bottom: 8px; }
.plain-card p { margin: 6px 0; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--rule); margin-top: calc(var(--u) * 4); padding: calc(var(--u) * 3) 0 calc(var(--u) * 5); font-size: 13px; color: var(--ink-3); }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--ink-2); }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .week { grid-template-columns: 1fr; }
  .day { border-left: 0; border-top: 1px solid var(--rule); min-height: 0; }
  .day:first-child { border-top: 0; }
  .day.is-empty-past .day-body, .day.is-off .day-body { padding-top: 8px; padding-bottom: 8px; }
  .mday { min-height: 84px; padding: 6px 8px; }
  .mday .t { display: none; }
  .asg li { grid-template-columns: 56px 1fr; }
  .asg .links { grid-column: 1 / -1; justify-content: flex-start; }
  .cal-title { min-width: 0; }
}
@media (max-width: 520px) {
  .brand-today { display: none; }
  .brand { flex-direction: column; gap: 2px; }
  .hero h1 { font-size: 34px; }
}
@media print {
  body { border-top: 0; background: #fff; }
  .top, .subtabs, .cal-bar, footer { display: none; }
}