/* Let's Imagine TCG - design system. Cheerful, rounded, high-contrast, touch friendly. */
:root {
  --blue: #3f7cff; --blue-d: #2a5bd7; --blue-l: #e3edff;
  --purple: #8b6cf0; --purple-d: #6a4bd0; --purple-l: #efe9ff;
  --yellow: #ffc533; --yellow-d: #e6a800; --yellow-l: #fff2c7;
  --mint: #2fc9a1; --mint-d: #0f7d64; --mint-l: #d9f7ee;
  --coral: #ff7466; --coral-d: #c93a2b; --coral-l: #ffe3df;
  --cream: #fff8ec; --paper: #ffffff; --ink: #26304d; --ink-2: #55608a; --line: #e6dfcf;
  --r: 20px; --r-s: 12px; --shadow: 0 6px 18px rgba(38, 48, 77, .12); --shadow-s: 0 2px 8px rgba(38, 48, 77, .12);
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px; --s6: 32px;
  --font: "Trebuchet MS", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); color: var(--ink); font-size: 17px; line-height: 1.45; min-height: 100vh;
  background: radial-gradient(circle at 8% 6%, #cfe0ff 0, transparent 34%), radial-gradient(circle at 94% 12%, #f0e3ff 0, transparent 32%),
    radial-gradient(circle at 80% 96%, #d5f6ea 0, transparent 30%), var(--cream);
  background-attachment: fixed;
}
h1, h2, h3 { line-height: 1.15; margin: 0 0 var(--s3); font-weight: 900; letter-spacing: .01em; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); } h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); } h3 { font-size: 1.2rem; }
p { margin: 0 0 var(--s3); }
a { color: var(--blue-d); font-weight: 700; }
img { max-width: 100%; }
:focus-visible { outline: 4px solid var(--purple); outline-offset: 2px; border-radius: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--ink-2); } .center { text-align: center; } .row { display: flex; gap: var(--s3); align-items: center; flex-wrap: wrap; }
.grow { flex: 1; } .gap5 { gap: var(--s5); } .mt { margin-top: var(--s4); } .mb { margin-bottom: var(--s4); }

/* layout */
.page { max-width: 1180px; margin: 0 auto; padding: var(--s4) 16px 96px; }
.page.wide { max-width: 1500px; }
.topbar { position: sticky; top: 0; z-index: 40; background: rgba(255, 248, 236, .92); backdrop-filter: blur(8px); border-bottom: 3px solid var(--yellow); }
.topbar .in { max-width: 1500px; margin: 0 auto; display: flex; align-items: center; gap: var(--s3); padding: 8px 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 900; font-size: 1.25rem; }
.brand .logo { width: 40px; height: 40px; }
.brand small { display: block; font-size: .7rem; color: var(--ink-2); font-weight: 700; letter-spacing: .08em; }
.nav { display: flex; gap: 6px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.nav a, .nav button.link { text-decoration: none; padding: 8px 14px; border-radius: 999px; color: var(--ink); font-weight: 800; background: transparent; border: 0; cursor: pointer; font-size: 1rem; font-family: inherit; }
.nav a:hover, .nav a.on, .nav button.link:hover { background: var(--blue-l); }
.nav .bell { position: relative; }
.badge-dot { position: absolute; top: 2px; right: 4px; background: var(--coral); color: #fff; border-radius: 99px; font-size: .7rem; min-width: 18px; height: 18px; display: grid; place-items: center; padding: 0 4px; }
.menu-btn { display: none; }
@media (max-width: 760px) {
  .menu-btn { display: inline-flex; margin-left: auto; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--cream); padding: 12px; flex-direction: column; align-items: stretch; border-bottom: 3px solid var(--yellow); }
  .nav.open { display: flex; }
}

/* surfaces */
.panel { background: var(--paper); border-radius: var(--r); box-shadow: var(--shadow); padding: var(--s5); border: 2px solid #fff; }
.panel.tint-blue { background: var(--blue-l); } .panel.tint-yellow { background: var(--yellow-l); } .panel.tint-mint { background: var(--mint-l); } .panel.tint-purple { background: var(--purple-l); } .panel.tint-coral { background: var(--coral-l); }
.grid { display: grid; gap: var(--s4); } .g2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); } .g3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* buttons: big, rounded, labelled */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 10px 24px; border: 0; border-radius: 999px;
  font: inherit; font-weight: 900; font-size: 1.1rem; color: #fff; background: var(--blue); cursor: pointer; box-shadow: 0 5px 0 var(--blue-d), var(--shadow-s);
  transition: transform .08s ease, box-shadow .08s ease, filter .15s; text-decoration: none; user-select: none; -webkit-tap-highlight-color: transparent;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: translateY(4px); box-shadow: 0 1px 0 var(--blue-d); }
.btn[disabled], .btn.off { opacity: .55; cursor: not-allowed; filter: grayscale(.3); }
.btn.yellow { background: var(--yellow); color: #4a3500; box-shadow: 0 5px 0 var(--yellow-d), var(--shadow-s); }
.btn.mint { background: #139a7b; box-shadow: 0 5px 0 #0c6f59, var(--shadow-s); }
.btn.coral { background: #e0503f; box-shadow: 0 5px 0 #b03323, var(--shadow-s); }
.btn.purple { background: var(--purple); box-shadow: 0 5px 0 var(--purple-d), var(--shadow-s); }
.btn.ghost { background: #fff; color: var(--ink); box-shadow: 0 4px 0 var(--line), var(--shadow-s); border: 2px solid var(--line); }
.btn.sm { min-height: 40px; padding: 6px 16px; font-size: .95rem; box-shadow: 0 3px 0 var(--blue-d); }
.btn.sm.yellow { box-shadow: 0 3px 0 var(--yellow-d); } .btn.sm.mint { box-shadow: 0 3px 0 #0c6f59; } .btn.sm.coral { box-shadow: 0 3px 0 #b03323; } .btn.sm.ghost { box-shadow: 0 3px 0 var(--line); }
.btn.xl { min-height: 96px; font-size: 1.6rem; border-radius: 28px; flex-direction: column; padding: 16px 20px; }
.btn.xl .ico { font-size: 2.2rem; line-height: 1; }
.btn.round { width: 52px; padding: 0; font-size: 1.6rem; } .btn.round.sm { width: 40px; font-size: 1.3rem; }

/* forms */
label { font-weight: 800; display: block; margin-bottom: 4px; }
input[type=text], input[type=email], input[type=password], input[type=search], select, textarea {
  width: 100%; min-height: 50px; padding: 10px 16px; border: 3px solid var(--line); border-radius: 16px; font: inherit; color: var(--ink); background: #fff;
}
input:focus, select:focus, textarea:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 4px var(--blue-l); }
textarea { min-height: 140px; font-family: ui-monospace, Consolas, monospace; font-size: .95rem; }
.field { margin-bottom: var(--s4); }
.hint { font-size: .9rem; color: var(--ink-2); margin-top: 4px; }
.err { color: var(--coral-d); font-weight: 800; }
.check { display: flex; align-items: center; gap: 12px; min-height: 44px; font-weight: 700; cursor: pointer; }
.check input { width: 26px; height: 26px; accent-color: var(--blue); }

/* chips / badges */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 3px solid var(--line); background: #fff; border-radius: 999px; padding: 6px 14px; font: inherit; font-weight: 800; cursor: pointer; min-height: 40px; color: var(--ink); }
.chip.on { background: var(--blue); color: #fff; border-color: var(--blue-d); }
.tag { display: inline-flex; align-items: center; gap: 4px; padding: 2px 10px; border-radius: 99px; font-size: .8rem; font-weight: 900; background: var(--blue-l); color: var(--blue-d); }
.tag.science { background: var(--mint-l); color: var(--mint-d); } .tag.history { background: var(--purple-l); color: var(--purple-d); } .tag.pending { background: var(--yellow-l); color: #8a5d00; } .tag.ok { background: var(--mint-l); color: var(--mint-d); } .tag.bad { background: var(--coral-l); color: var(--coral-d); }

/* tables (admin) */
table.t { width: 100%; border-collapse: collapse; font-size: .95rem; }
table.t th, table.t td { text-align: left; padding: 8px 10px; border-bottom: 2px solid var(--line); vertical-align: top; }
table.t th { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-2); }
.scroll-x { overflow-x: auto; }

/* modal */
.overlay { position: fixed; inset: 0; background: rgba(38, 48, 77, .55); z-index: 80; display: grid; place-items: center; padding: 16px; animation: fade .15s ease; }
.modal { background: var(--cream); border-radius: 26px; box-shadow: 0 20px 60px rgba(0, 0, 0, .35); padding: var(--s5); max-width: 760px; width: 100%; max-height: 92vh; overflow: auto; animation: pop .2s ease; position: relative; }
.modal .x { position: absolute; top: 10px; right: 10px; }

/* toasts */
.toasts { position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 120; display: grid; gap: 8px; width: min(92vw, 460px); }
.toast { background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 16px; font-weight: 800; box-shadow: var(--shadow); animation: pop .2s ease; display: flex; gap: 10px; align-items: center; }
.toast.good { background: var(--mint-d); } .toast.bad { background: var(--coral-d); } .toast.gold { background: #8a5d00; }

/* mascot */
.book { display: block; }
.book .bob { animation: bob 2.4s ease-in-out infinite; transform-origin: 50% 90%; }
.bubble { position: relative; background: #fff; border: 3px solid var(--blue); border-radius: 22px; padding: 12px 18px; font-weight: 800; box-shadow: var(--shadow-s); max-width: 340px; }
.bubble::before { content: ""; position: absolute; left: -14px; bottom: 22px; border: 8px solid transparent; border-right: 14px solid var(--blue); }
.coach { position: fixed; left: 12px; bottom: 12px; z-index: 70; display: flex; align-items: flex-end; gap: 6px; max-width: min(92vw, 470px); }
.coach .bubble { pointer-events: auto; }
.coach .ctl { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }

/* cards */
.card-img { display: block; width: 100%; aspect-ratio: 750 / 1039; object-fit: contain; border-radius: 5.5%; background: #e8e2d4; box-shadow: var(--shadow-s); }
.card-tile { position: relative; cursor: pointer; background: none; border: 0; padding: 0; text-align: left; border-radius: 6%; font: inherit; color: inherit; transition: transform .15s; }
.card-tile:hover { transform: translateY(-4px) scale(1.02); }
.card-tile .qty { position: absolute; top: 6px; right: 6px; background: var(--yellow); color: #4a3500; border-radius: 99px; font-weight: 900; min-width: 34px; height: 34px; display: grid; place-items: center; box-shadow: var(--shadow-s); border: 3px solid #fff; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: var(--s4); }
@media (max-width: 520px) { .card-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; } }
.card-detail { display: grid; grid-template-columns: minmax(200px, 330px) 1fr; gap: var(--s5); }
@media (max-width: 640px) { .card-detail { grid-template-columns: 1fr; } .card-detail .card-img { max-width: 300px; margin: 0 auto; } }
.stat-line { display: flex; gap: 10px; flex-wrap: wrap; margin: 8px 0; }
.stat { background: #fff; border: 3px solid var(--line); border-radius: 14px; padding: 4px 12px; font-weight: 900; }

/* hero / lobby */
.hero { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: var(--s5); }
@media (max-width: 700px) { .hero { grid-template-columns: 1fr; } .hero .book { margin: 0 auto; order: -1; } }
.big-buttons { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: var(--s4); margin: var(--s5) 0; }
.progress-bar { height: 18px; background: #fff; border: 3px solid var(--line); border-radius: 99px; overflow: hidden; }
.progress-bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--mint), var(--blue)); border-radius: 99px; transition: width .4s; }
.ach { display: flex; gap: 12px; align-items: center; padding: 12px; border-radius: 18px; background: #fff; border: 3px solid var(--line); }
.ach.locked { opacity: .55; filter: grayscale(.8); } .ach .ic { font-size: 2.2rem; }
.banner { background: var(--yellow-l); border: 3px solid var(--yellow); border-radius: 18px; padding: 10px 16px; font-weight: 800; margin-bottom: var(--s4); }

/* animations */
@keyframes pop { from { transform: scale(.92); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes bob { 0%, 100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-7px) rotate(1.5deg); } }
@keyframes glow { 0%, 100% { box-shadow: 0 0 0 3px var(--yellow), 0 0 12px 2px rgba(255, 197, 51, .7); } 50% { box-shadow: 0 0 0 5px var(--yellow), 0 0 22px 6px rgba(255, 197, 51, .9); } }
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
@keyframes floatup { from { transform: translateY(0); opacity: 1; } to { transform: translateY(-60px); opacity: 0; } }
@keyframes bump { 0% { transform: scale(1); } 40% { transform: scale(1.35); } 100% { transform: scale(1); } }
@keyframes spin-in { from { transform: scale(.4) rotate(-12deg); opacity: 0; } to { transform: none; opacity: 1; } }
@media (prefers-reduced-motion: reduce), (html.reduce-motion) { * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }
html.reduce-motion * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }

/* ---------- logo ---------- */
.brand .logo-img { height: 42px; width: auto; display: block; }
.brand { gap: 8px; } .brand small { font-size: .62rem; line-height: 1.1; max-width: 64px; letter-spacing: .06em; }
.logo-h1 { margin: 0 0 8px; line-height: 0; }
.logo-h1 img { width: min(320px, 70vw); height: auto; }
@media (max-width: 760px) { .brand small { display: none; } }