/* =========================================================
   Gostop — COMS 4170 Spring 2026
   Light editorial theme, matching the HW9 deck.
   ========================================================= */

:root {
  --bg-page:      #EFE6D3;
  --bg-card:      #FAF5EA;
  --ink:          #1A1815;
  --ink-mid:      #6B655A;
  --ink-faint:    #93897A;
  --bronze:       #B88A5E;
  --bronze-soft:  #D4B18B;
  --bronze-dark:  #8E6537;
  --rule:         #D8C8AD;
  --mini-bg:      #FBF5E8;
  --mini-border:  #E9DBBF;
  --peach-bg:     #FBEFD6;
  --ok-bg:        #E9F0DC;
  --ok-border:    #6A8A4E;
  --red:          #8B1A1A;
  --gray:         #6b6b6b;
  --green:        #4A6E3A;
  --radius:       8px;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  background: var(--bg-page);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px; line-height: 1.55;
}

/* topbar + nav + footer */
.gs-topbar { height: 6px; background: var(--bronze); width: 100%; }
.gs-nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1280px; margin: 0 auto;
  padding: 18px 32px 10px;
}
.gs-brand { text-decoration: none; color: inherit; display: flex; flex-direction: column; line-height: 1.1; }
.gs-brand-line { font-family: 'PT Serif', Georgia, serif; font-weight: 700; font-size: 22px; color: var(--ink); }
.gs-brand-sub { font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mid); margin-top: 3px; }
.gs-nav-links { display: flex; gap: 28px; }
.gs-nav-links a { color: var(--ink-mid); text-decoration: none; font-size: 14px; font-weight: 500; }
.gs-nav-links a:hover { color: var(--bronze-dark); }

.gs-main { max-width: 1280px; margin: 0 auto; padding: 0 32px 40px; }
.gs-paper { background: var(--bg-card); border-radius: var(--radius); padding: 56px 72px 64px; min-height: 640px; position: relative; }
.gs-paper-footer { position: absolute; right: 32px; bottom: 22px; font-size: 11px; color: var(--ink-faint); }
.gs-footer {
  max-width: 1280px; margin: 0 auto;
  padding: 18px 32px 30px;
  text-align: center;
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-faint);
}

/* typography */
.gs-h1 {
  font-family: 'PT Serif', Georgia, serif;
  font-weight: 700; font-size: 40px; line-height: 1.15;
  margin: 0 0 10px; color: var(--ink);
  padding-bottom: 14px; border-bottom: 1px solid var(--rule);
}
.gs-h1.gs-h1-plain { border-bottom: none; padding-bottom: 0; }
.gs-h2 { font-family: 'PT Serif', Georgia, serif; font-weight: 700; font-size: 18px; color: var(--ink); margin: 0 0 10px; }
.gs-subtitle { color: var(--bronze-dark); font-style: italic; font-size: 15px; margin: 0 0 20px; }
.gs-subtitle-plain { color: var(--ink-mid); font-style: italic; font-size: 14px; margin: 0 0 20px; }
.gs-body { color: var(--ink); font-size: 15px; margin: 0 0 12px; max-width: 72ch; }
.gs-small { font-size: 13px; color: var(--ink-mid); }

/* buttons */
.gs-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: 4px;
  font-family: inherit; font-size: 14px; font-weight: 500;
  text-decoration: none; cursor: pointer;
  border: 1px solid var(--bronze);
  background: transparent; color: var(--bronze-dark);
}
.gs-btn:hover { background: var(--bronze); color: #fff; }
.gs-btn-primary { background: var(--bronze); color: #fff; }
.gs-btn-primary:hover { background: var(--bronze-dark); border-color: var(--bronze-dark); }
.gs-btn-ghost { border-color: var(--rule); color: var(--ink-mid); }
.gs-btn-ghost:hover { background: transparent; color: var(--ink); border-color: var(--ink-mid); }
.gs-btn:disabled { opacity: .4; cursor: not-allowed; }

/* progress / page nav */
.gs-progress {
  display: flex; align-items: center; gap: 16px;
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 24px;
}
.gs-progress-track { display: flex; gap: 6px; flex: 1; }
.gs-progress-pip { height: 4px; flex: 1; max-width: 50px; border-radius: 2px; background: var(--rule); }
.gs-progress-pip.done { background: var(--bronze); }
.gs-page-nav { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-top: 40px; }

/* HOME hero */
.gs-hero {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 48px;
  padding: 40px 0 32px;
  border-left: 6px solid var(--bronze); padding-left: 36px;
}
.gs-hero-text { max-width: 560px; }
.gs-hero-eyebrow { font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--bronze-dark); margin-bottom: 12px; }
.gs-hero-title { font-family: 'PT Serif', Georgia, serif; font-weight: 700; font-size: 54px; line-height: 1.08; margin: 0 0 14px; color: var(--ink); }
.gs-hero-sub { font-size: 16px; color: var(--ink-mid); margin: 0 0 8px; }
.gs-hero-rule { width: 120px; border: 0; border-top: 1px solid var(--rule); margin: 22px 0 18px; }
.gs-hero-name { font-weight: 700; font-size: 16px; color: var(--ink); margin: 0; }
.gs-hero-name-sub { font-size: 12px; color: var(--ink-mid); margin: 2px 0 26px; }
.gs-hero-cta { display: flex; gap: 14px; align-items: center; }
.gs-hero-cards { display: flex; align-items: flex-end; gap: 4px; transform: rotate(-4deg); }
.gs-hero-card { width: 78px; height: auto; border-radius: 4px; box-shadow: 0 4px 14px rgba(0,0,0,0.15); }
.gs-hero-card:nth-child(1) { transform: rotate(6deg)  translateY(8px); }
.gs-hero-card:nth-child(2) { transform: rotate(2deg)  translateY(-4px); }
.gs-hero-card:nth-child(3) { transform: rotate(-1deg) translateY(-8px); }
.gs-hero-card:nth-child(4) { transform: rotate(-4deg) translateY(-4px); }
.gs-hero-card:nth-child(5) { transform: rotate(-8deg) translateY(8px); }

/* OVERVIEW */
.gs-overview-title { text-align: center; font-family: 'PT Serif', Georgia, serif; font-weight: 700; font-size: 44px; margin: 32px 0 10px; color: var(--ink); border: none; }
.gs-overview-sub { text-align: center; font-style: italic; color: var(--ink-mid); font-size: 15px; margin: 0 0 16px; }
.gs-overview-goal {
  text-align: center; color: var(--ink); font-size: 15px;
  max-width: 640px; margin: 0 auto 40px;
  padding: 14px 24px;
  background: var(--mini-bg); border: 1px solid var(--mini-border);
  border-radius: 4px;
}
.gs-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; max-width: 900px; margin: 0 auto 44px; }
.gs-step { border: 1px solid var(--bronze); border-radius: 4px; padding: 22px 18px 26px; text-align: center; background: var(--bg-card); }
.gs-step-n { font-family: 'PT Serif', Georgia, serif; font-size: 30px; font-weight: 700; color: var(--bronze); margin-bottom: 10px; }
.gs-step-title { font-weight: 700; font-size: 15px; color: var(--ink); margin-bottom: 8px; }
.gs-step-desc { font-size: 13px; color: var(--ink-mid); }
.gs-overview-cta { display: flex; justify-content: center; }

/* TYPE */
.gs-type { display: grid; grid-template-columns: 260px 1fr; gap: 48px; align-items: start; margin-top: 24px; }
.gs-type-hero img { width: 200px; height: auto; border-radius: 4px; box-shadow: 0 6px 18px rgba(0,0,0,0.15); display: block; margin: 8px auto 0; }
.gs-type-body { max-width: 680px; }
.gs-type-desc { font-size: 15px; color: var(--ink); margin: 0 0 22px; line-height: 1.6; }

/* example thumbnail row (Bright / Animal) */
.gs-examples {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px;
  margin: 0 0 26px;
  padding: 14px 16px;
  background: var(--mini-bg); border: 1px solid var(--mini-border);
  border-radius: 4px;
}
.gs-example { margin: 0; text-align: center; }
.gs-example img {
  width: 60px; height: auto; border-radius: 3px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
  display: block; margin: 0 auto 4px;
}
.gs-example figcaption { font-size: 10px; letter-spacing: 0.04em; color: var(--ink-mid); }

/* mini-check */
.gs-mini { margin-top: 18px; }
.gs-mini-banner { background: var(--mini-bg); border: 1px solid var(--mini-border); border-radius: 4px; padding: 12px 18px; text-align: center; font-weight: 600; font-size: 14px; color: var(--ink); margin-bottom: 18px; }
.gs-mini-options { display: grid; grid-template-columns: auto auto 1fr; gap: 32px; align-items: flex-end; }
.gs-mini-option { text-align: center; cursor: pointer; background: none; border: none; padding: 0; font-family: inherit; }
.gs-mini-option img { width: 110px; height: auto; border-radius: 4px; box-shadow: 0 4px 10px rgba(0,0,0,0.15); display: block; margin: 0 auto 8px; }
.gs-mini-option.picked img { outline: 3px solid var(--bronze); outline-offset: 2px; }
.gs-mini-option.correct img { outline: 3px solid var(--ok-border); outline-offset: 2px; }
.gs-mini-option.wrong img { outline: 3px solid var(--red); outline-offset: 2px; }
.gs-mini-option-label { font-weight: 600; font-size: 14px; color: var(--ink-mid); display: block; }
.gs-mini-answer { font-style: italic; font-size: 13px; color: var(--ink-mid); align-self: center; opacity: 0; }
.gs-mini-answer.shown { opacity: 1; }

/* PRACTICE */
.gs-practice-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin: 28px 0; }
.gs-practice-card { text-align: center; }
.gs-practice-card img { width: 140px; height: auto; border-radius: 4px; box-shadow: 0 4px 14px rgba(0,0,0,0.15); display: block; margin: 0 auto 14px; }
.gs-practice-hint { font-size: 12px; font-style: italic; color: var(--ink-mid); background: var(--mini-bg); border: 1px solid var(--mini-border); border-radius: 4px; padding: 6px 10px; margin: 0 auto 10px; max-width: 170px; }
.gs-practice-label { font-family: 'PT Serif', serif; font-weight: 700; font-size: 20px; color: var(--bronze-dark); }
.gs-practice-card[data-type="Junk"] .gs-practice-label { color: var(--ink); }
.gs-practice-footer { background: var(--ok-bg); border-radius: 4px; padding: 14px 20px; text-align: center; font-weight: 600; color: var(--green); margin-top: 18px; }

/* CHEAT SHEET */
.gs-sheet { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin: 28px 0 14px; }
.gs-sheet-card { border: 2px solid; border-radius: 4px; padding: 22px 18px; text-align: center; background: var(--bg-card); }
.gs-sheet-card.bronze { border-color: var(--bronze); }
.gs-sheet-card.bronze .gs-sheet-name { color: var(--bronze-dark); }
.gs-sheet-card.gray { border-color: var(--gray); }
.gs-sheet-card.gray .gs-sheet-name { color: var(--gray); }
.gs-sheet-card.red { border-color: var(--red); }
.gs-sheet-card.red .gs-sheet-name { color: var(--red); }
.gs-sheet-card.green { border-color: var(--green); }
.gs-sheet-card.green .gs-sheet-name { color: var(--green); }
.gs-sheet-name { font-family: 'PT Serif', serif; font-weight: 700; font-size: 22px; margin-bottom: 6px; }
.gs-sheet-kr { font-size: 13px; font-style: italic; color: var(--ink-mid); margin-bottom: 14px; }
.gs-sheet-img img { width: 110px; height: auto; border-radius: 4px; box-shadow: 0 3px 10px rgba(0,0,0,0.12); display: block; margin: 0 auto 14px; }
.gs-sheet-desc { font-size: 13px; color: var(--ink-mid); }
.gs-sheet-footer { text-align: center; font-style: italic; color: var(--ink-mid); font-size: 13px; margin: 22px 0 0; }

/* COMBOS */
.gs-combos { margin-top: 24px; }
.gs-combo-row { display: grid; grid-template-columns: 200px auto 1fr; gap: 36px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--rule); }
.gs-combo-row:last-child { border-bottom: none; }
.gs-combo-name { font-family: 'PT Serif', serif; font-weight: 700; font-size: 18px; color: var(--ink); margin: 0 0 4px; }
.gs-combo-kr { color: var(--bronze-dark); font-style: italic; font-size: 13px; margin: 0 0 10px; }
.gs-combo-recipe { font-size: 13px; color: var(--ink); margin: 0 0 4px; }
.gs-combo-pts { font-size: 13px; color: var(--bronze-dark); font-weight: 600; }
.gs-combo-cards { display: flex; gap: 6px; }
.gs-combo-cards img { width: 68px; height: auto; border-radius: 4px; box-shadow: 0 3px 10px rgba(0,0,0,0.12); }
.gs-combo-note { font-size: 13px; color: var(--ink-mid); }
.gs-combos-footer {
  margin-top: 22px; padding: 14px 20px;
  background: var(--ok-bg); border-radius: 4px;
  text-align: center; font-weight: 600;
  color: var(--green); font-size: 14px;
}

/* GO / STOP DECISION */
.gs-gostop-lead {
  font-weight: 700; font-size: 17px;
  color: var(--ink); text-align: center;
  margin: 16px 0 24px;
}
.gs-gostop {
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px;
  margin: 0 0 22px;
}
.gs-gostop-card {
  border: 2px solid; border-radius: 6px;
  padding: 26px 28px 28px;
  background: var(--bg-card);
}
.gs-gostop-card.stop { border-color: var(--ok-border); }
.gs-gostop-card.stop .gs-gostop-headline { color: var(--green); }
.gs-gostop-card.go   { border-color: var(--red); }
.gs-gostop-card.go   .gs-gostop-headline { color: var(--red); }
.gs-gostop-label { font-family: 'PT Serif', serif; font-weight: 700; font-size: 22px; color: var(--ink); margin-bottom: 6px; }
.gs-gostop-kr { font-size: 13px; font-style: italic; color: var(--ink-mid); margin-left: 6px; }
.gs-gostop-headline { font-family: 'PT Serif', serif; font-weight: 700; font-size: 26px; margin-bottom: 10px; }
.gs-gostop-body { color: var(--ink); font-size: 14px; line-height: 1.55; margin: 0; }
.gs-gostop-footer { text-align: center; font-style: italic; color: var(--ink-mid); font-size: 14px; margin: 10px 0 0; }

/* 404 */
.gs-404 { text-align: center; padding: 80px 0; }

/* SPOT */
.gs-spot-block { background: var(--peach-bg); border-radius: 4px; padding: 18px 22px; margin: 20px 0; display: grid; grid-template-columns: 260px 1fr; gap: 28px; align-items: center; }
.gs-spot-block-plain { background: transparent; padding: 18px 0; }
.gs-spot-label { font-weight: 700; font-size: 14px; margin-bottom: 10px; color: var(--ink); }
.gs-spot-cards { display: flex; gap: 4px; }
.gs-spot-cards img { width: 74px; height: auto; border-radius: 4px; box-shadow: 0 3px 10px rgba(0,0,0,0.12); }
.gs-spot-hint { font-size: 13px; color: var(--ink); margin: 0 0 10px; line-height: 1.5; }
.gs-spot-answer { font-weight: 700; color: var(--green); font-size: 14px; }
.gs-spot-footer { text-align: center; font-style: italic; color: var(--ink-mid); margin-top: 18px; }

/* QUIZ */
.gs-quiz { display: grid; grid-template-columns: 260px 1fr; gap: 48px; align-items: start; margin-top: 24px; }
.gs-quiz-hero img { width: 200px; height: auto; border-radius: 4px; box-shadow: 0 6px 18px rgba(0,0,0,0.15); display: block; margin: 0 auto; }
.gs-quiz-extra { display: flex; gap: 4px; justify-content: center; margin-top: 10px; flex-wrap: wrap; }
.gs-quiz-extra img { width: 48px; height: auto; border-radius: 3px; box-shadow: 0 2px 6px rgba(0,0,0,0.12); }
.gs-quiz-prompt { font-weight: 700; font-size: 17px; color: var(--ink); margin: 0 0 24px; }
.gs-options { display: flex; flex-direction: column; gap: 8px; }
.gs-option {
  display: flex; align-items: center;
  padding: 16px 22px;
  background: var(--mini-bg);
  border: 1px solid var(--mini-border);
  border-radius: 4px;
  font-family: inherit; font-size: 15px; color: var(--ink);
  text-align: left; cursor: pointer;
}
.gs-option:hover:not(.locked) { background: #F6EBD0; }
.gs-option.picked { border-color: var(--bronze); background: var(--peach-bg); }
.gs-option.correct { background: var(--ok-bg); border-color: var(--ok-border); font-weight: 700; }
.gs-option.wrong { background: #F4DCDC; border-color: var(--red); }
.gs-option.locked { cursor: default; }
.gs-option-letter { font-weight: 700; min-width: 22px; color: var(--ink); margin-right: 6px; }
.gs-quiz-explain { margin-top: 18px; font-style: italic; color: var(--ink-mid); font-size: 13px; min-height: 20px; }

/* RESULT */
.gs-result-hero {
  display: grid; grid-template-columns: auto 1fr; gap: 48px;
  align-items: center;
  background: var(--peach-bg);
  border-radius: 4px;
  padding: 28px 36px;
  margin: 20px 0 32px;
}
.gs-score { font-family: 'PT Serif', serif; font-weight: 700; font-size: 72px; color: var(--ink); line-height: 1; }
.gs-score span { font-size: 20px; color: var(--ink-mid); font-weight: 400; margin-left: 6px; }
.gs-rank-label { font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--bronze-dark); margin-bottom: 8px; }
.gs-rank-title { font-family: 'PT Serif', serif; font-weight: 700; font-size: 28px; color: var(--ink); margin: 0 0 4px; }
.gs-rank-kr { color: var(--bronze-dark); font-style: italic; margin: 0 0 6px; }
.gs-rank-note { color: var(--ink-mid); font-size: 14px; margin: 0; }

.gs-breakdown { margin-top: 20px; }
.gs-breakdown-item {
  display: grid; grid-template-columns: 80px 1fr auto; gap: 18px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}
.gs-breakdown-item img { width: 72px; height: auto; border-radius: 4px; }
.gs-breakdown-prompt { font-weight: 600; margin: 0 0 4px; }
.gs-breakdown-detail { font-size: 13px; color: var(--ink-mid); }
.gs-breakdown-detail strong { color: var(--ink); font-weight: 600; }
.gs-breakdown-mark { font-weight: 700; padding: 4px 14px; border-radius: 20px; font-size: 12px; letter-spacing: 0.08em; }
.gs-breakdown-mark.ok   { background: var(--ok-bg); color: var(--green); }
.gs-breakdown-mark.miss { background: #F4DCDC; color: var(--red); }

@media (max-width: 1024px) {
  .gs-paper { padding: 40px 44px 56px; }
  .gs-hero { grid-template-columns: 1fr; }
  .gs-hero-title { font-size: 44px; }
  .gs-type, .gs-quiz { grid-template-columns: 1fr; gap: 24px; }
  .gs-steps { grid-template-columns: repeat(2, 1fr); }
  .gs-sheet { grid-template-columns: repeat(2, 1fr); }
  .gs-practice-grid { grid-template-columns: repeat(2, 1fr); }
  .gs-combo-row { grid-template-columns: 1fr; }
}