/* portal.css: styles for the student portal pages (index, practice, company,
   progress). The reading pages use Material + course.css; the reading bar
   carries its own small stylesheet inside reading-bar.js. */

:root {
  --pt-navy: #003057;
  --pt-navy-2: #1a4a72;
  --pt-gold: #b3a369;
  --pt-gold-dark: #7a6d41;
  --pt-bg: #f7f6f2;
  --pt-card: #ffffff;
  --pt-ink: #1c1c1c;
  --pt-muted: #5c6470;
  --pt-line: #e2e0d8;
  --pt-line-strong: #b9b6ab;
  --pt-good: #2e7d32;
  --pt-good-bg: #e6f2e7;
  --pt-warn: #8a6d00;
  --pt-warn-bg: #fbf3d5;
  --pt-bad: #b3364e;
  --pt-radius: 10px;
  --pt-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 4px 14px rgba(0, 48, 87, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --pt-navy: #8fb6dc;
    --pt-navy-2: #b5d0ea;
    --pt-gold: #c9bb86;
    --pt-gold-dark: #d9cc9a;
    --pt-bg: #15181c;
    --pt-card: #1f2429;
    --pt-ink: #e8e6df;
    --pt-muted: #a3a9b1;
    --pt-line: #323940;
    --pt-line-strong: #4b545d;
    --pt-good: #7fcf85;
    --pt-good-bg: #1f3322;
    --pt-warn: #e2c65a;
    --pt-warn-bg: #3a3218;
    --pt-bad: #ef7f95;
    --pt-shadow: none;
  }
}

* { box-sizing: border-box; }

html { color-scheme: light dark; }

body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--pt-ink);
  background: var(--pt-bg);
}

a { color: var(--pt-navy); }
a:hover { color: var(--pt-navy-2); }

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5rem; }
h1 { font-size: 1.9rem; font-weight: 700; }
h2 { font-size: 1.3rem; font-weight: 700; }
h3 { font-size: 1.05rem; font-weight: 700; }
p { margin: 0 0 0.85rem; }

:focus-visible { outline: 3px solid var(--pt-gold); outline-offset: 2px; border-radius: 3px; }

/* ---- layout ---------------------------------------------------------- */

.pt-page { max-width: 62rem; margin: 0 auto; padding: 0 1.25rem 4rem; }
.pt-header { border-bottom: 1px solid var(--pt-line); background: var(--pt-card); }
.pt-header .pt-nav { max-width: 62rem; margin: 0 auto; padding: 0.6rem 1.25rem; }
.pt-main { padding-top: 1.75rem; }
.pt-footer { color: var(--pt-muted); font-size: 0.85rem; border-top: 1px solid var(--pt-line); margin-top: 3rem; padding-top: 1rem; }

.pt-nav { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.pt-brand { font-weight: 800; letter-spacing: 0.02em; text-decoration: none; color: var(--pt-navy); font-size: 1.05rem; }
.pt-nav__links { list-style: none; margin: 0; padding: 0; display: flex; gap: 0.25rem; flex-wrap: wrap; }
.pt-nav__links a { text-decoration: none; padding: 0.3rem 0.65rem; border-radius: 6px; color: var(--pt-ink); }
.pt-nav__links a:hover { background: var(--pt-bg); }
.pt-nav__links a[aria-current="page"] { background: var(--pt-navy); color: #fff; }
@media (prefers-color-scheme: dark) { .pt-nav__links a[aria-current="page"] { color: #10161c; } }
.pt-nav__who { margin-left: auto; display: flex; align-items: center; gap: 0.6rem; font-size: 0.92rem; }

.pt-key { font-family: "Source Code Pro", ui-monospace, Menlo, Consolas, monospace; background: var(--pt-bg); border: 1px solid var(--pt-line); border-radius: 6px; padding: 0.1rem 0.45rem; }
.pt-link { background: none; border: none; padding: 0; font: inherit; color: var(--pt-navy); text-decoration: underline; cursor: pointer; }
.pt-muted { color: var(--pt-muted); }
.pt-eyebrow { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; color: var(--pt-gold-dark); margin: 0 0 0.35rem; }
.pt-small { font-size: 0.9rem; }

/* ---- cards ----------------------------------------------------------- */

.pt-card { background: var(--pt-card); border: 1px solid var(--pt-line); border-radius: var(--pt-radius); padding: 1.25rem 1.4rem; box-shadow: var(--pt-shadow); margin: 0 0 1.25rem; }
.pt-card > :last-child { margin-bottom: 0; }
.pt-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 1rem; margin: 0 0 1.5rem; }
.pt-grid .pt-card { margin: 0; }
.pt-card--link { text-decoration: none; color: inherit; display: block; transition: border-color 0.12s; }
.pt-card--link:hover { border-color: var(--pt-gold); color: inherit; }
.pt-card--link h3 { color: var(--pt-navy); }

/* ---- hero ------------------------------------------------------------ */

.pt-hero { padding: 2rem 0 1rem; }
.pt-hero h1 { margin-bottom: 0.4rem; }
.pt-hero p.lead { font-size: 1.15rem; max-width: 40rem; color: var(--pt-muted); }
.pt-two { display: grid; grid-template-columns: 1.15fr 1fr; gap: 1.5rem; align-items: start; }
@media (max-width: 46rem) { .pt-two { grid-template-columns: 1fr; } }

/* ---- key gate -------------------------------------------------------- */

.pt-keyform { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 0.5rem 0; }
.pt-keyform input { flex: 1 1 12rem; font: inherit; font-family: "Source Code Pro", ui-monospace, Menlo, Consolas, monospace; padding: 0.5rem 0.7rem; border: 1px solid var(--pt-line-strong); border-radius: 6px; background: var(--pt-card); color: var(--pt-ink); }
.pt-msg { color: var(--pt-bad); min-height: 1.2em; font-size: 0.95rem; margin: 0.25rem 0 0.5rem; }
.pt-divider { margin: 1rem 0 0.5rem; color: var(--pt-muted); }
.pt-reveal { margin-top: 1rem; border: 2px dashed var(--pt-gold); border-radius: var(--pt-radius); padding: 1rem 1.2rem; background: var(--pt-warn-bg); }
.pt-key-big { font-family: "Source Code Pro", ui-monospace, Menlo, Consolas, monospace; font-size: 1.9rem; font-weight: 700; letter-spacing: 0.02em; margin: 0 0 0.6rem; word-break: break-all; color: var(--pt-ink); }

/* ---- buttons --------------------------------------------------------- */

.pt-btn { display: inline-block; font: inherit; font-weight: 600; padding: 0.5rem 1rem; border-radius: 6px; border: 1px solid var(--pt-navy); background: var(--pt-navy); color: #fff; cursor: pointer; }
.pt-btn:hover { filter: brightness(1.12); }
.pt-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.pt-btn--secondary { background: var(--pt-card); color: var(--pt-navy); }
.pt-btn--danger { border-color: var(--pt-bad); color: var(--pt-bad); background: var(--pt-card); }
@media (prefers-color-scheme: dark) { .pt-btn { color: #10161c; } .pt-btn--secondary, .pt-btn--danger { color: var(--pt-navy); } .pt-btn--danger { color: var(--pt-bad); } }

/* ---- module grid ----------------------------------------------------- */

.pt-modules { list-style: none; margin: 0 0 1.5rem; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); gap: 0.75rem; }
.pt-module { background: var(--pt-card); border: 1px solid var(--pt-line); border-radius: var(--pt-radius); padding: 0.9rem 1rem; display: grid; grid-template-columns: 2.4rem 1fr; gap: 0.2rem 0.6rem; align-items: start; }
.pt-module--coming { opacity: 0.72; }
.pt-module__num { grid-row: 1 / span 2; font-size: 1.5rem; font-weight: 800; color: var(--pt-gold-dark); line-height: 1.1; }
.pt-module__title { font-weight: 700; }
.pt-module__title a { text-decoration: none; }
.pt-module__title a:hover { text-decoration: underline; }
.pt-module__meta { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; font-size: 0.85rem; color: var(--pt-muted); }

.pt-chip { display: inline-block; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.03em; padding: 0.12rem 0.5rem; border-radius: 999px; border: 1px solid transparent; white-space: nowrap; }
.pt-chip--done { background: var(--pt-good-bg); color: var(--pt-good); }
.pt-chip--in-progress { background: var(--pt-warn-bg); color: var(--pt-warn); }
.pt-chip--not-started { background: transparent; color: var(--pt-muted); border-color: var(--pt-line-strong); }
.pt-chip--coming { background: transparent; color: var(--pt-muted); border-color: var(--pt-line); font-style: italic; }
.pt-chip--next { background: var(--pt-navy); color: #fff; }
.pt-chip--locked { background: transparent; color: var(--pt-muted); border-color: var(--pt-line); }

/* ---- tables ---------------------------------------------------------- */

.pt-table { width: 100%; border-collapse: collapse; margin: 0.5rem 0 1rem; font-size: 0.97rem; }
.pt-table th, .pt-table td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--pt-line); vertical-align: top; }
.pt-table th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--pt-muted); }
.pt-table td.num, .pt-table th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.pt-table-wrap { overflow-x: auto; }

.fs-table { width: 100%; border-collapse: collapse; margin: 0.25rem 0 0.5rem; font-size: 0.97rem; }
.fs-table caption { text-align: left; font-weight: 700; padding: 0 0 0.35rem; color: var(--pt-navy); }
.fs-table td { padding: 0.22rem 0.5rem; }
.fs-table td.fs-amount { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; width: 8rem; }
.fs-table tr.fs-total td { border-top: 1px solid var(--pt-line-strong); font-weight: 700; }
.fs-table tr.fs-final td.fs-amount { border-bottom: 3px double var(--pt-ink); }
.fs-table tr.fs-head td { font-weight: 700; padding-top: 0.6rem; color: var(--pt-muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
.fs-table td.fs-indent { padding-left: 1.4rem; }
.pt-statements { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 52rem) { .pt-statements { grid-template-columns: 1fr; } }

/* ---- decisions ------------------------------------------------------- */

.pt-timeline { list-style: none; margin: 0; padding: 0; }
.pt-timeline li { display: grid; grid-template-columns: 2.2rem 1fr auto; gap: 0.5rem; align-items: baseline; padding: 0.45rem 0; border-bottom: 1px solid var(--pt-line); }
.pt-timeline li:last-child { border-bottom: none; }
.pt-timeline .pt-tl-num { font-weight: 800; color: var(--pt-gold-dark); }
.pt-timeline .pt-tl-choice { color: var(--pt-muted); font-size: 0.9rem; display: block; }

.pt-choices { list-style: none; margin: 0.5rem 0 1rem; padding: 0; display: grid; gap: 0.5rem; }
.pt-choice { display: grid; grid-template-columns: 1.4rem 1fr; gap: 0.5rem; align-items: start; border: 1px solid var(--pt-line); border-radius: 8px; padding: 0.6rem 0.75rem; cursor: pointer; }
.pt-choice:has(input:checked) { border-color: var(--pt-navy); background: color-mix(in srgb, var(--pt-navy) 6%, var(--pt-card)); }
.pt-choice input { margin-top: 0.3rem; }
.pt-choice__label { font-weight: 700; display: block; }
.pt-choice__effect { font-size: 0.9rem; color: var(--pt-muted); display: block; }
.pt-choice--locked { cursor: default; opacity: 0.7; }
.pt-field { margin: 0.5rem 0 1rem; }
.pt-field label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
.pt-field input[type="text"] { font: inherit; width: 100%; max-width: 24rem; padding: 0.45rem 0.65rem; border: 1px solid var(--pt-line-strong); border-radius: 6px; background: var(--pt-card); color: var(--pt-ink); }
.pt-locked-note { font-style: italic; color: var(--pt-muted); }

.pt-note { border-left: 4px solid var(--pt-gold); padding: 0.5rem 1rem; background: color-mix(in srgb, var(--pt-gold) 10%, var(--pt-card)); border-radius: 0 8px 8px 0; margin: 1rem 0; }
.pt-note p:last-child { margin-bottom: 0; }

.pt-stat { display: flex; gap: 2rem; flex-wrap: wrap; }
.pt-stat__num { font-size: 1.8rem; font-weight: 800; color: var(--pt-navy); line-height: 1.1; }
.pt-stat__label { font-size: 0.85rem; color: var(--pt-muted); }

details.pt-details summary { cursor: pointer; font-weight: 600; color: var(--pt-navy); }
.pt-list { padding-left: 1.2rem; margin: 0 0 0.85rem; }
.pt-list li { margin-bottom: 0.3rem; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }