/* fsi.css · kantawee.com/fullstack-index.html (Fullstack Index) · navy + lime, weak = orange (lev-pdf C.weak). Pairs with fsi.js. */
.fsi { --f-navy: #0c1d33; --f-navy-2: #102b49; --f-ink: #15314a; --f-muted: #596b7b; --f-line: #d8dfe4; --f-paper: #f7f6f3;
    --f-lime: #d7ff3a; --f-lime-ink: #4f6000; --f-lime-tint: #f6ffd4; --f-gold-soft: #e2c58f; --f-gold-ink: #7a5c2e; --f-weak: #f08a5d; --f-weak-tint: #fdeee6; --f-weak-ink: #9a3412; }
.fsi .fsi-narrow { max-width: 48rem; }

/* hero */
.fsi .fsi-hero { display: grid; gap: clamp(24px, 5vw, 56px); align-items: center; }
@media (min-width: 900px) { .fsi .fsi-hero { grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); } }
.fsi-pyr { margin: 0; max-width: 360px; justify-self: center; width: 100%; }
.fsi-pyr svg { display: block; width: 100%; height: auto; }
.fsi-pyr text { fill: #f7f6f3; font: 800 15px var(--font-display, "Inter", "Noto Sans Thai", sans-serif); }
.fsi-pyr__l { fill: rgba(255, 255, 255, .06); stroke: rgba(226, 197, 143, .5); stroke-width: 1.5; transition: fill .6s ease; }
.fsi-pyr.in .fsi-pyr__l1, .rm .fsi-pyr__l1 { fill: #1e466b; transition-delay: .1s; }
.fsi-pyr.in .fsi-pyr__l2, .rm .fsi-pyr__l2 { fill: #2b5a85; transition-delay: .45s; }
.fsi-pyr.in .fsi-pyr__l3, .rm .fsi-pyr__l3 { fill: var(--f-lime); transition-delay: .8s; }
.fsi-pyr.in text:first-of-type, .rm .fsi-pyr text:first-of-type { fill: var(--f-navy); }

/* quiz card (reuses .pt-* from pages.css) */
.fsi-card { scroll-margin-top: 90px; }
.fsi-card[hidden], .fsi section[hidden] { display: none; }
.fsi .pt-opt.is-picked { border-color: var(--f-navy); background: var(--f-lime-tint); }
.fsi [data-fsi-gate] form { display: grid; gap: 12px; }

/* result */
.fsi-result[hidden] { display: none; }
.fsi-result { scroll-margin-top: 70px; }
.fsi-result:focus { outline: none; }
.fsi-result .fsi-narrow { display: grid; gap: 18px; }
.fsi-score { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 20px; align-items: center; padding: clamp(20px, 4vw, 32px); border-radius: 24px; background: var(--f-navy); color: #f7f6f3; }
.fsi-score__num { display: grid; place-items: center; width: 120px; height: 120px; border-radius: 50%; background: var(--f-lime); color: var(--f-navy); line-height: 1; text-align: center; }
.fsi-score__num span { font-size: 3rem; font-weight: 800; letter-spacing: -.03em; }
.fsi-score__num small { margin-top: -18px; font-weight: 700; }
.fsi-score .pt-count { color: var(--f-gold-soft); }
.fsi-band { margin: 4px 0 6px; color: #f7f6f3; font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); }
.fsi-score p { margin: 0; color: #d5dce3; }
@media (max-width: 520px) { .fsi-score { grid-template-columns: 1fr; justify-items: start; } .fsi-score__num { width: 96px; height: 96px; } .fsi-score__num span { font-size: 2.4rem; } }

.fsi-grid2 { display: grid; gap: 14px; }
@media (min-width: 760px) { .fsi-grid2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: stretch; } }
.fsi-panel { padding: 18px 20px; border: 1px solid var(--f-line); border-radius: 20px; background: #fff; }
.fsi-panel h3 { margin: 2px 0 8px; color: var(--f-navy); font-size: 1.4rem; }
.fsi-panel h3 small { display: block; color: var(--f-muted); font-size: .9rem; font-weight: 600; }
.fsi-panel p { margin: 0; color: var(--f-ink); }
.fsi-narrowest { border: 2px solid var(--f-weak); background: var(--f-weak-tint); }
.fsi-narrowest .pt-count { color: var(--f-weak-ink); }
.fsi-rpyr { display: block; width: 100%; max-width: 340px; height: auto; margin: 0 auto; }
.fsi-rpyr__track { fill: var(--f-paper); }
.fsi-rpyr__bar { fill: #a6cbe8; }
.fsi-rpyr__bar.is-narrow { fill: var(--f-weak); animation: fsi-blink 1.2s ease-in-out .6s 1; }
.rm .fsi-rpyr__bar.is-narrow { animation: none; }
@keyframes fsi-blink { 50% { opacity: .35; } }
.fsi-rpyr text { fill: var(--f-navy); font: 800 15px var(--font-display, "Inter", "Noto Sans Thai", sans-serif); }

.fsi-donow { padding: 18px 20px; border-radius: 20px; background: var(--f-navy); color: #f7f6f3; }
.fsi-tag { margin: 0 0 8px; color: var(--f-lime); font-size: .82rem; font-weight: 800; letter-spacing: .08em; }
.fsi-tick { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 10px; align-items: start; cursor: pointer; }
.fsi-tick input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--f-lime-ink); }
.fsi-donow .fsi-tick span { color: #f7f6f3; }
.fsi-tick input:checked + span { text-decoration: line-through; opacity: .7; }

.fsi-h3 { margin: 14px 0 0; color: var(--f-navy); font-size: clamp(1.2rem, 1.05rem + .6vw, 1.45rem); }
.fsi-cards { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
@media (min-width: 760px) { .fsi-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.fsi-cards li { display: grid; gap: 6px; align-content: start; padding: 16px; border-radius: 16px; }
.fsi-cards b { color: var(--f-navy); }
.fsi-cards span { color: var(--f-ink); font-size: .96rem; }
.fsi-cards--good li { background: var(--f-lime-tint); border: 1.5px solid #c7e85a; }
.fsi-cards--gap li { background: var(--f-weak-tint); border: 1.5px solid #f5b593; }

.fsi-weeks { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.fsi-weeks li { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 12px; align-items: start; padding: 14px 16px; border: 1px solid var(--f-line); border-radius: 14px; background: #fff; }
.fsi-weeks__n { color: var(--f-gold-ink); font-weight: 800; font-size: .9rem; }
.fsi-weeks .fsi-tick span { color: var(--f-ink); }
@media (max-width: 520px) { .fsi-weeks li { grid-template-columns: 1fr; gap: 4px; } }
.fsi-metric { margin: 0; color: var(--f-ink); }
.fsi-metric b { color: var(--f-navy); margin-right: 6px; }
.fsi-skill { border-left: 6px solid var(--f-lime); }

.fsi-cta { display: grid; justify-items: center; gap: 6px; margin-top: 8px; text-align: center; }
.fsi-cta small { color: var(--f-muted); }
.fsi-method { margin: 0; color: var(--f-muted); font-size: .9rem; text-align: center; }
.fsi-retake { min-height: 40px; padding: 0 4px; border: 0; background: none; color: var(--f-navy); font: inherit; font-weight: 700; text-decoration: underline; cursor: pointer; }

/* book strip */
.fsi-book { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 18px; align-items: center; margin-bottom: 18px; padding: 18px; border: 1px solid var(--f-line); border-radius: 20px; background: #fff; }
.fsi-book__cover { position: relative; display: grid; align-content: space-between; width: 96px; height: 136px; padding: 10px 9px; border-radius: 4px 10px 10px 4px; background: linear-gradient(135deg, #102b49, #0c1d33); color: #f7f6f3; box-shadow: inset 6px 0 0 rgba(0, 0, 0, .25), 6px 8px 0 -2px #1e466b; transform: rotate(-3deg); }
.fsi-book__cover span { font-size: .72rem; font-weight: 800; line-height: 1.25; color: var(--f-gold-soft); }
.fsi-book__cover b { font-size: .7rem; color: var(--f-lime); line-height: 1.2; }
.fsi-book__cover i { position: absolute; top: -8px; right: -8px; padding: 2px 6px; border-radius: 999px; background: var(--f-lime); color: var(--f-navy); font-size: .62rem; font-style: normal; font-weight: 800; }
.fsi-book__k { margin: 0; color: var(--f-gold-ink); font-size: .82rem; font-weight: 800; }
.fsi-book__t { margin: 2px 0 6px; color: var(--f-navy); font-weight: 800; line-height: 1.45; }
.fsi-book__p { margin: 0; color: var(--f-ink); font-size: .94rem; }