/* Potato's QA Academy — warm, hand-tended garden aesthetic. */

:root {
  --paper:      #fbf2e2;   /* warm cream */
  --paper-2:    #f5e7cd;
  --card:       #fffaf0;
  --ink:        #43352b;   /* warm dark brown */
  --ink-soft:   #6f5d4e;
  --line:       #e6d4b3;

  --skin:       #d08b3c;   /* potato amber */
  --skin-deep:  #a8662a;
  --sprout:     #6e9d4e;   /* growth green */
  --sprout-deep:#4f7a37;
  --blush:      #e08a6e;   /* terracotta / love */
  --soil:       #5c4630;
  --gold:       #e7b14b;

  --shadow:     0 14px 34px rgba(92, 70, 48, 0.16);
  --shadow-sm:  0 6px 16px rgba(92, 70, 48, 0.12);
  --radius:     20px;

  --display: "Fraunces", Georgia, serif;
  --body: "Nunito", system-ui, sans-serif;
  --hand: "Caveat", cursive;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, #fff6e4 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 20%, #f7ead0 0%, transparent 55%),
    var(--paper);
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* subtle paper grain */
#grain {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}

#app { position: relative; z-index: 1; max-width: 940px; margin: 0 auto; padding: 2.2rem 1.4rem 5rem; }

a { color: var(--skin-deep); }

h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; }

/* ---------- Home: hero ---------- */
.hero { text-align: center; padding: 1rem 0 0.5rem; }
.hello-kicker {
  font-family: var(--hand); font-size: 1.9rem; color: var(--blush);
  transform: rotate(-3deg); display: inline-block;
}
.hero h1 { font-size: clamp(2.4rem, 6vw, 3.8rem); margin: 0.1rem 0 0.2rem; font-variation-settings: "opsz" 120; }
.hero h1 .leaf { color: var(--sprout-deep); }
.hero .sub { color: var(--ink-soft); font-size: 1.1rem; max-width: 32rem; margin: 0.2rem auto 0; }

/* personal note from Bruno */
.note {
  position: relative; margin: 1.8rem auto; max-width: 30rem;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 1.1rem 1.4rem; box-shadow: var(--shadow-sm);
  transform: rotate(-1deg);
}
.note::before { content: "📌"; position: absolute; top: -14px; left: 50%; transform: translateX(-50%); font-size: 1.4rem; }
.note p { font-family: var(--hand); font-size: 1.45rem; line-height: 1.3; margin: 0; color: var(--ink); }
.note .sig { display: block; text-align: right; margin-top: 0.3rem; color: var(--blush); }

/* ---------- Garden / progress panel ---------- */
.garden {
  display: grid; grid-template-columns: auto 1fr; gap: 1.6rem; align-items: center;
  background: linear-gradient(180deg, #fffaf0, #fdf3e0);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem 1.7rem; box-shadow: var(--shadow); margin: 1.6rem 0 2.4rem;
}
.planter { text-align: center; }
.pot {
  width: 150px; height: 150px; border-radius: 18px;
  background:
    radial-gradient(120px 60px at 50% 120%, #6f5234, transparent 70%),
    linear-gradient(180deg, #c8a06a 0%, #b07f44 100%);
  display: flex; align-items: flex-end; justify-content: center;
  box-shadow: inset 0 -14px 22px rgba(0,0,0,0.18), var(--shadow-sm);
  overflow: hidden; position: relative;
}
.pot .soil {
  position: absolute; bottom: 0; left: 0; right: 0; height: 46px;
  background: linear-gradient(180deg, #6b4f33, #4d3823);
  border-radius: 0 0 18px 18px;
}
.plant { font-size: 4.4rem; line-height: 1; margin-bottom: 18px; position: relative; z-index: 2;
  transform-origin: bottom center; animation: sway 4s ease-in-out infinite; }
@keyframes sway { 0%,100% { transform: rotate(-4deg); } 50% { transform: rotate(4deg); } }
.plant-caption { font-family: var(--hand); font-size: 1.4rem; color: var(--sprout-deep); margin-top: 0.5rem; }

.garden-stats { display: flex; flex-direction: column; gap: 1rem; }
.level-row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.level-row .lvl { font-family: var(--display); font-size: 1.5rem; }
.level-row .lvl b { color: var(--skin-deep); }
.level-row .xp { color: var(--ink-soft); font-weight: 700; font-size: 0.95rem; }

.bar { height: 16px; background: #ecdcbe; border-radius: 999px; overflow: hidden; box-shadow: inset 0 2px 4px rgba(0,0,0,0.1); }
.bar > span { display: block; height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--sprout), var(--gold));
  transition: width 0.7s cubic-bezier(.2,.8,.2,1); }

.chips { display: flex; gap: 0.7rem; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; gap: 0.4rem; background: var(--card);
  border: 1px solid var(--line); border-radius: 999px; padding: 0.35rem 0.8rem; font-weight: 700; font-size: 0.9rem; }
.chip .big { font-size: 1.1rem; }
.chip.flame { color: var(--skin-deep); }

/* ---------- Achievements ---------- */
.section-title { font-size: 1.5rem; margin: 2.2rem 0 1rem; display: flex; align-items: center; gap: 0.5rem; }
.badges { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-bottom: 1rem; }
.badge { width: 92px; text-align: center; opacity: 0.35; filter: grayscale(1); transition: 0.3s; }
.badge.on { opacity: 1; filter: none; }
.badge .ic { font-size: 2rem; }
.badge .nm { font-size: 0.72rem; font-weight: 700; color: var(--ink-soft); line-height: 1.1; margin-top: 0.2rem; }

/* ---------- Phase path ---------- */
.path { display: flex; flex-direction: column; gap: 1.3rem; position: relative; }
.phase {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); overflow: hidden; transition: transform 0.2s, box-shadow 0.2s;
}
.phase:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.phase-head { display: flex; align-items: center; gap: 1rem; padding: 1.15rem 1.4rem; }
.phase-emoji { font-size: 2.1rem; flex-shrink: 0;
  width: 58px; height: 58px; display: grid; place-items: center;
  background: var(--paper-2); border-radius: 16px; }
.phase-titles { flex: 1; min-width: 0; }
.phase-titles h3 { margin: 0; font-size: 1.35rem; }
.phase-titles .tag { font-size: 0.8rem; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; color: var(--skin-deep); }
.phase-titles .blurb { color: var(--ink-soft); font-size: 0.92rem; margin-top: 0.15rem; }
.phase-prog { text-align: right; flex-shrink: 0; }
.phase-prog .ring { font-family: var(--display); font-weight: 700; color: var(--sprout-deep); font-size: 1.05rem; }
.mini-bar { height: 8px; width: 84px; background: #ecdcbe; border-radius: 999px; overflow: hidden; margin-top: 0.3rem; }
.mini-bar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--sprout), var(--gold)); transition: width 0.6s; }

.lessons { list-style: none; margin: 0; padding: 0 0.7rem 0.7rem; }
.lesson-row {
  display: flex; align-items: center; gap: 0.85rem; width: 100%;
  background: none; border: none; text-align: left; cursor: pointer;
  padding: 0.7rem 0.8rem; border-radius: 12px; font: inherit; color: var(--ink);
  transition: background 0.15s;
}
.lesson-row:hover { background: var(--paper-2); }
.tick {
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  border: 2px solid var(--line); display: grid; place-items: center; font-size: 0.9rem;
  background: #fff; color: transparent; transition: 0.2s;
}
.lesson-row.done .tick { background: var(--sprout); border-color: var(--sprout-deep); color: #fff; }
.lesson-row .l-title { flex: 1; font-weight: 700; }
.lesson-row.done .l-title { color: var(--ink-soft); }
.l-type { font-size: 0.72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.04em;
  padding: 0.15rem 0.55rem; border-radius: 999px; background: var(--paper-2); color: var(--ink-soft); }
.l-type.code { background: #e4efd6; color: var(--sprout-deep); }
.l-type.mission { background: #f7e0d6; color: #b5562f; }
.l-type.quiz { background: #f3e6c4; color: #9a7414; }
.l-xp { font-size: 0.78rem; font-weight: 800; color: var(--gold); }

/* ---------- Lesson view ---------- */
.back { display: inline-flex; align-items: center; gap: 0.4rem; background: none; border: none;
  font: inherit; font-weight: 800; color: var(--skin-deep); cursor: pointer; margin-bottom: 1rem; padding: 0.3rem 0; }
.lesson-wrap { display: grid; gap: 1.4rem; }
.concept { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem 1.9rem; box-shadow: var(--shadow-sm); }
.concept h1 { font-size: 1.9rem; margin: 0 0 0.7rem; }
.concept h2 { font-size: 1.3rem; margin: 1.4rem 0 0.5rem; }
.concept p { margin: 0.7rem 0; }
.concept ul, .concept ol { padding-left: 1.3rem; }
.concept li { margin: 0.3rem 0; }
.concept code { font-family: ui-monospace, "SF Mono", Menlo, monospace; background: var(--paper-2);
  padding: 0.12em 0.4em; border-radius: 6px; font-size: 0.9em; }
.concept pre { background: #2f2519; color: #f4e6cd; padding: 1rem 1.2rem; border-radius: 14px;
  overflow-x: auto; box-shadow: var(--shadow-sm); }
.concept pre code { background: none; padding: 0; color: inherit; font-size: 0.86rem; line-height: 1.55; }
.concept blockquote { margin: 1rem 0; padding: 0.6rem 1.1rem; border-left: 4px solid var(--gold);
  background: var(--paper-2); border-radius: 0 12px 12px 0; color: var(--ink-soft); }

/* code workspace */
.workspace { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.3rem 1.4rem; box-shadow: var(--shadow-sm); }
.workspace .ws-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.8rem; }
.workspace .ws-head h3 { margin: 0; font-size: 1.1rem; }
.CodeMirror { height: auto; border: 1px solid var(--line); border-radius: 14px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.92rem; }
.CodeMirror-scroll { min-height: 180px; }
textarea.code-fallback { width: 100%; min-height: 200px; font-family: ui-monospace, monospace;
  border: 1px solid var(--line); border-radius: 14px; padding: 0.8rem; font-size: 0.9rem; }

.ws-actions { display: flex; align-items: center; gap: 0.9rem; margin-top: 1rem; }
.btn { font: inherit; font-weight: 800; cursor: pointer; border: none; border-radius: 999px;
  padding: 0.7rem 1.5rem; transition: transform 0.12s, box-shadow 0.2s, filter 0.2s; }
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-run { background: linear-gradient(180deg, var(--sprout), var(--sprout-deep)); color: #fff; box-shadow: var(--shadow-sm); }
.btn-run:hover { filter: brightness(1.05); }
.btn-run:disabled { opacity: 0.6; cursor: wait; }
.btn-ghost { background: var(--paper-2); color: var(--ink-soft); }
.btn-hint { background: none; color: var(--skin-deep); padding: 0.7rem 0.4rem; }

.result { margin-top: 1rem; border-radius: 14px; padding: 0; overflow: hidden; display: none; }
.result.show { display: block; }
.result .rhead { padding: 0.8rem 1.2rem; font-weight: 800; display: flex; align-items: center; gap: 0.5rem; }
.result.pass .rhead { background: #e4efd6; color: var(--sprout-deep); }
.result.fail .rhead { background: #f7ddd2; color: #b5562f; }
.result.err .rhead { background: #f3e0c2; color: #936216; }
.test-line { padding: 0.5rem 1.2rem; font-family: ui-monospace, monospace; font-size: 0.85rem;
  border-top: 1px solid rgba(0,0,0,0.05); display: flex; gap: 0.6rem; align-items: flex-start; background: #fffdf8; }
.test-line .tmark { flex-shrink: 0; }
.test-line.ok .tmark { color: var(--sprout-deep); }
.test-line.no .tmark { color: #b5562f; }
.test-line .terr { color: #b5562f; }
.stdout { background: #2f2519; color: #cfe6b0; font-family: ui-monospace, monospace; font-size: 0.82rem;
  padding: 0.7rem 1.2rem; white-space: pre-wrap; }
.hintbox { margin-top: 0.9rem; background: var(--paper-2); border-radius: 12px; padding: 0.8rem 1.1rem;
  font-size: 0.95rem; color: var(--ink-soft); display: none; }
.hintbox.show { display: block; }
.hintbox b { color: var(--skin-deep); }
.reassure { color: var(--ink-soft); font-size: 0.85rem; font-weight: 600; opacity: 0.8; }

.solution { margin-top: 0.9rem; border: 1px dashed var(--skin); border-radius: 14px; overflow: hidden; }
.solution .solhead { padding: 0.6rem 1rem; background: var(--paper-2); font-weight: 700; color: var(--skin-deep); font-size: 0.9rem; }
.solution pre { margin: 0; background: #2f2519; color: #f4e6cd; padding: 1rem 1.2rem; overflow-x: auto;
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.84rem; line-height: 1.55; }
#peekwrap { margin-top: 0.8rem; }

/* quiz */
.quiz-opts { display: grid; gap: 0.7rem; }
.opt { text-align: left; background: var(--card); border: 2px solid var(--line); border-radius: 14px;
  padding: 0.9rem 1.1rem; font: inherit; font-weight: 700; cursor: pointer; transition: 0.15s; }
.opt:hover { border-color: var(--skin); background: var(--paper-2); }
.opt.correct { border-color: var(--sprout-deep); background: #e4efd6; }
.opt.wrong { border-color: #d98b6e; background: #f7ddd2; }
.quiz-explain { margin-top: 1rem; background: var(--paper-2); border-radius: 12px; padding: 0.9rem 1.1rem;
  color: var(--ink-soft); display: none; }
.quiz-explain.show { display: block; }

/* mission */
.mission-box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem 1.6rem; box-shadow: var(--shadow-sm); }
.mission-check { display: flex; gap: 0.8rem; align-items: flex-start; cursor: pointer; font-weight: 700; }
.mission-check input { width: 22px; height: 22px; margin-top: 2px; accent-color: var(--sprout-deep); }

/* completion banner */
.done-banner { display: none; align-items: center; gap: 0.7rem; margin-top: 1rem;
  background: #e4efd6; color: var(--sprout-deep); border-radius: 14px; padding: 0.9rem 1.2rem; font-weight: 800; }
.done-banner.show { display: flex; animation: pop 0.4s ease; }
@keyframes pop { 0% { transform: scale(0.9); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }

.next-btn { margin-top: 1.2rem; }

/* confetti */
#confetti { position: fixed; inset: 0; pointer-events: none; z-index: 50; overflow: hidden; }
.confetti-bit { position: absolute; top: -30px; font-size: 1.4rem; will-change: transform; animation: fall linear forwards; }
@keyframes fall { to { transform: translateY(108vh) rotate(540deg); opacity: 0.9; } }

/* reveal on load */
.reveal { opacity: 0; transform: translateY(14px); animation: reveal 0.6s cubic-bezier(.2,.8,.2,1) forwards; }
@keyframes reveal { to { opacity: 1; transform: none; } }

footer.foot { text-align: center; color: var(--ink-soft); margin-top: 3rem; font-family: var(--hand); font-size: 1.3rem; }

@media (max-width: 640px) {
  .garden { grid-template-columns: 1fr; text-align: center; }
  .garden-stats { align-items: center; }
  .level-row { flex-direction: column; gap: 0.2rem; align-items: center; }
  .phase-head { flex-wrap: wrap; }
  .phase-prog { order: 3; width: 100%; text-align: left; display: flex; align-items: center; gap: 0.7rem; }
  .mini-bar { flex: 1; width: auto; }
}