/* ===================================================================
   CANIS — Latein lernen mit Biss
   Mobile-first stylesheet. Roman / parchment theme, Rufus the dog.
   =================================================================== */

:root {
    --parchment: #f4ecd8;
    --parchment-2: #efe4cc;
    --card: #fffdf7;
    --ink: #2b2118;
    --muted: #8a7d68;
    --line: #e3d8bf;

    --laurel: #5b8c2a;
    --laurel-dark: #497021;
    --laurel-soft: #eaf3dc;
    --gold: #c8972f;
    --gold-dark: #a87d20;
    --terracotta: #b5532f;
    --sky: #3f93d1;
    --sky-dark: #2f73a8;
    --wrong: #d6453d;
    --wrong-dark: #b3322b;
    --locked: #cdbf9f;

    --radius: 16px;
    --shadow: 0 2px 0 rgba(0, 0, 0, .12);
    --maxw: 520px;
    --font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: var(--font);
    color: var(--ink);
    background: var(--parchment);
}

body {
    background-image: radial-gradient(circle at 20% 0%, #fbf5e6 0, var(--parchment) 60%);
}

#app {
    max-width: var(--maxw);
    margin: 0 auto;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.hidden { display: none !important; }

/* ----------------------------------------------------------- top bar */
.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    background: var(--parchment);
    border-bottom: 1px solid var(--line);
    padding: calc(env(safe-area-inset-top) + 10px) 14px 10px;
}
.topbar-inner {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
    font-weight: 800;
}
.stat { font-size: 15px; color: var(--ink); white-space: nowrap; }
.stat.rank {
    margin-left: auto;
    background: var(--laurel-soft);
    color: var(--laurel-dark);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: .03em;
    text-transform: uppercase;
}

/* ----------------------------------------------------------- view */
.view {
    flex: 1;
    padding: 16px 16px 96px;
    overflow-y: auto;
}
.view.lesson-active { padding-bottom: 16px; }

/* ----------------------------------------------------------- bottom nav */
.bottomnav {
    position: sticky;
    bottom: 0;
    z-index: 30;
    display: flex;
    background: var(--card);
    border-top: 1px solid var(--line);
    padding-bottom: env(safe-area-inset-bottom);
}
.nav-btn {
    flex: 1;
    border: none;
    background: none;
    padding: 10px 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    cursor: pointer;
    color: var(--muted);
    font-weight: 700;
}
.nav-btn .nav-ico { font-size: 22px; filter: grayscale(.4); }
.nav-btn .nav-lbl { font-size: 11px; }
.nav-btn.active { color: var(--laurel-dark); }
.nav-btn.active .nav-ico { filter: none; transform: translateY(-1px); }

/* ----------------------------------------------------------- buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: 14px;
    padding: 14px 18px;
    font-size: 16px;
    font-weight: 800;
    font-family: var(--font);
    cursor: pointer;
    width: 100%;
    color: #fff;
    background: var(--laurel);
    border-bottom: 4px solid var(--laurel-dark);
    text-transform: uppercase;
    letter-spacing: .03em;
    transition: transform .04s, filter .15s, background .15s;
}
.btn:active { transform: translateY(2px); border-bottom-width: 2px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.secondary {
    background: var(--card);
    color: var(--laurel-dark);
    border: 2px solid var(--line);
    border-bottom: 4px solid var(--line);
}
.btn.sky { background: var(--sky); border-bottom-color: var(--sky-dark); }
.btn.gold { background: var(--gold); border-bottom-color: var(--gold-dark); }
.btn.ghost {
    background: transparent;
    color: var(--muted);
    border: none;
    text-transform: none;
    letter-spacing: 0;
}

/* ----------------------------------------------------------- cards */
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}

/* ----------------------------------------------------------- hero / mascot */
.hero {
    text-align: center;
    padding: 18px 0 8px;
}
.hero img { width: 120px; height: 120px; }
.hero h1 {
    margin: 6px 0 0;
    font-size: 28px;
    letter-spacing: .02em;
}
.hero .tag { color: var(--muted); font-weight: 700; margin-top: 2px; }

.speech {
    position: relative;
    background: var(--laurel-soft);
    border: 1px solid #d3e4ba;
    border-radius: 14px;
    padding: 12px 14px;
    color: var(--laurel-dark);
    font-weight: 700;
    margin: 12px 0;
}
.speech::after {
    content: "";
    position: absolute;
    left: 28px;
    bottom: -9px;
    border: 9px solid transparent;
    border-top-color: var(--laurel-soft);
    border-bottom: 0;
}
.mascot-row { display: flex; align-items: center; gap: 12px; }
.mascot-row img { width: 76px; height: 76px; flex: 0 0 auto; }

/* ----------------------------------------------------------- path / via */
.path-head { text-align: center; margin-bottom: 8px; }
.path-head h2 { margin: 0; font-size: 22px; }
.path-head p { margin: 2px 0 0; color: var(--muted); font-weight: 600; font-size: 13px; }

.via {
    position: relative;
    padding: 18px 0 8px;
    list-style: none;
    margin: 0;
}
.via::before {
    content: "";
    position: absolute;
    top: 0; bottom: 0;
    left: 50%;
    width: 6px;
    transform: translateX(-50%);
    background: repeating-linear-gradient(
        to bottom, var(--line) 0 12px, transparent 12px 24px);
}
.station {
    position: relative;
    display: flex;
    justify-content: center;
    margin: 10px 0;
}
.station[data-off="1"] { transform: translateX(58px); }
.station[data-off="2"] { transform: translateX(0); }
.station[data-off="3"] { transform: translateX(-58px); }
.station[data-off="0"] { transform: translateX(0); }

.node {
    position: relative;
    width: 66px;
    height: 66px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    font-size: 24px;
    font-weight: 900;
    color: #fff;
    background: var(--laurel);
    box-shadow: 0 5px 0 var(--laurel-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform .08s;
}
.node:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--laurel-dark); }
.node small { font-size: 11px; position: absolute; bottom: 6px; opacity: .8; }
.node.completed { background: var(--gold); box-shadow: 0 5px 0 var(--gold-dark); }
.node.locked {
    background: var(--locked);
    box-shadow: 0 5px 0 #b3a685;
    cursor: not-allowed;
    color: #fff;
}
.node.milestone { border-radius: 18px; }
.node.current { animation: bob 1.4s ease-in-out infinite; }
.node.current::after {
    content: "LOS";
    position: absolute;
    top: -34px;
    background: var(--card);
    color: var(--laurel-dark);
    border: 2px solid var(--laurel);
    font-size: 11px;
    font-weight: 900;
    padding: 3px 8px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

.station-label {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    font-weight: 700;
    color: var(--muted);
    max-width: 120px;
}
.station[data-off="1"] .station-label,
.station[data-off="2"]:nth-child(even) .station-label { left: calc(50% - 200px); text-align: right; }
.station[data-off="3"] .station-label { right: calc(50% - 200px); text-align: left; }

/* ----------------------------------------------------------- lesson */
.lesson-top {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: calc(env(safe-area-inset-top) + 10px) 4px 14px;
}
.lesson-top .quit { background: none; border: none; font-size: 26px; color: var(--muted); cursor: pointer; line-height: 1; }
.progress {
    flex: 1;
    height: 16px;
    background: var(--parchment-2);
    border-radius: 999px;
    overflow: hidden;
}
.progress > div {
    height: 100%;
    width: 0;
    background: var(--laurel);
    border-radius: 999px;
    transition: width .3s ease;
}
.hearts { font-size: 18px; font-weight: 800; color: var(--wrong); white-space: nowrap; }

.q-prompt {
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--muted);
    margin: 6px 0 14px;
}
.q-word {
    font-size: 32px;
    font-weight: 800;
    text-align: center;
    margin: 8px 0 20px;
    word-break: break-word;
}
.q-word.latin { color: var(--ink); }
.q-de { font-size: 24px; font-weight: 800; text-align: center; margin: 8px 0 20px; }

.speaker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 92px;
    height: 92px;
    border-radius: 20px;
    background: var(--sky);
    border-bottom: 4px solid var(--sky-dark);
    color: #fff;
    font-size: 40px;
    border: none;
    cursor: pointer;
    margin: 0 auto 18px;
}
.speaker:active { transform: translateY(2px); }
.speaker.small { width: 44px; height: 44px; font-size: 20px; border-radius: 12px; margin: 0; }

/* options */
.options { display: grid; gap: 12px; }
.option {
    text-align: left;
    background: var(--card);
    border: 2px solid var(--line);
    border-bottom: 4px solid var(--line);
    border-radius: 14px;
    padding: 16px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: transform .04s;
    color: var(--ink);
}
.option:active { transform: translateY(2px); }
.option.selected { border-color: var(--sky); background: #eaf4fc; color: var(--sky-dark); }
.option.correct { border-color: var(--laurel); background: var(--laurel-soft); color: var(--laurel-dark); }
.option.wrong { border-color: var(--wrong); background: #fcecea; color: var(--wrong-dark); }
.option:disabled { cursor: default; }

/* build / phrase tiles */
.answer-slots {
    min-height: 56px;
    border-bottom: 3px dashed var(--line);
    margin-bottom: 18px;
    padding: 8px 2px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-content: flex-start;
}
.tile-bank { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.tile {
    background: var(--card);
    border: 2px solid var(--line);
    border-bottom: 4px solid var(--line);
    border-radius: 12px;
    padding: 10px 14px;
    font-size: 20px;
    font-weight: 800;
    cursor: pointer;
    user-select: none;
}
.tile.letter { min-width: 42px; text-align: center; }
.tile:active { transform: translateY(2px); }
.tile.placed { visibility: hidden; }

/* match */
.match-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.match-col { display: grid; gap: 12px; }
.match-item {
    background: var(--card);
    border: 2px solid var(--line);
    border-bottom: 4px solid var(--line);
    border-radius: 12px;
    padding: 14px 10px;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
}
.match-item.selected { border-color: var(--sky); background: #eaf4fc; }
.match-item.done { visibility: hidden; }
.match-item.flash-wrong { border-color: var(--wrong); background: #fcecea; animation: shake .3s; }
@keyframes shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-5px)} 75%{transform:translateX(5px)} }

/* feedback footer */
.feedback {
    position: sticky;
    bottom: 0;
    margin: 16px -16px -16px;
    padding: 16px 16px calc(env(safe-area-inset-bottom) + 16px);
    background: var(--card);
    border-top: 1px solid var(--line);
}
.feedback.good { background: var(--laurel-soft); }
.feedback.bad { background: #fcecea; }
.feedback-head { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 18px; margin-bottom: 8px; }
.feedback.good .feedback-head { color: var(--laurel-dark); }
.feedback.bad .feedback-head { color: var(--wrong-dark); }
.feedback .solution { font-weight: 700; margin-bottom: 12px; }

/* ----------------------------------------------------------- result */
.result { text-align: center; padding-top: 24px; }
.result img { width: 130px; height: 130px; }
.result h2 { font-size: 26px; margin: 8px 0; }
.reward-row { display: flex; gap: 12px; justify-content: center; margin: 18px 0; flex-wrap: wrap; }
.reward {
    background: var(--card);
    border: 2px solid var(--line);
    border-radius: 14px;
    padding: 12px 16px;
    min-width: 92px;
    font-weight: 900;
    font-size: 20px;
}
.reward span { display: block; font-size: 11px; color: var(--muted); text-transform: uppercase; font-weight: 800; letter-spacing: .04em; }

/* ----------------------------------------------------------- vocab list */
.chapter-pick {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 12px;
    border: 2px solid var(--line);
    background: var(--card);
    margin-bottom: 14px;
    font-family: var(--font);
}
.vocab-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 12px 4px;
    border-bottom: 1px solid var(--line);
}
.vocab-item .lat { font-weight: 800; }
.vocab-item .de { color: var(--muted); text-align: right; font-weight: 600; }
.vocab-item .phrase { display: block; font-size: 12px; color: var(--laurel-dark); font-weight: 600; margin-top: 2px; }

/* ----------------------------------------------------------- onboarding */
.choice-list { display: grid; gap: 12px; margin: 14px 0; }
.name-input {
    width: 100%;
    padding: 14px;
    font-size: 18px;
    border-radius: 12px;
    border: 2px solid var(--line);
    font-family: var(--font);
    text-align: center;
    font-weight: 700;
}

/* ----------------------------------------------------------- misc */
.section-title { font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 18px 0 8px; }
.spacer-sm { height: 10px; }
.spacer { height: 18px; }
.center { text-align: center; }
.row { display: flex; gap: 10px; }
.row > * { flex: 1; }
.fadein { animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ----------------------------------------------------------- grammar: declension table */
.decl-table {
    display: grid;
    grid-template-columns: auto 1fr 1fr;
    gap: 8px;
    margin: 14px 0 18px;
    align-items: stretch;
}
.decl-h { font-weight: 800; color: var(--muted); text-align: center; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.decl-rowlabel { font-weight: 800; color: var(--muted); display: flex; align-items: center; font-size: 14px; }
.decl-cell {
    background: var(--card);
    border: 2px solid var(--line);
    border-radius: 10px;
    padding: 11px 8px;
    text-align: center;
    font-weight: 700;
    font-size: 17px;
}
.decl-cell.filled { color: var(--ink); }
.decl-cell.slot { cursor: pointer; border-style: dashed; }
.decl-cell.slot .stem { color: var(--ink); }
.decl-cell.slot .end {
    color: var(--sky-dark);
    min-width: 26px;
    display: inline-block;
    border-bottom: 2px solid var(--sky);
}
.decl-cell.slot.sel { border-color: var(--sky); background: #eaf4fc; }
.decl-cell.slot.done { border-style: solid; }
.decl-cell.good { border-color: var(--laurel); background: var(--laurel-soft); color: var(--laurel-dark); }
.decl-cell.bad { border-color: var(--wrong); background: #fcecea; color: var(--wrong-dark); }
.decl-cell.good .end, .decl-cell.bad .end { color: inherit; border-bottom-color: currentColor; }

.chip-bank { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.chip {
    background: var(--card);
    border: 2px solid var(--line);
    border-bottom: 4px solid var(--line);
    border-radius: 10px;
    padding: 9px 15px;
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    color: var(--sky-dark);
}
.chip:active { transform: translateY(2px); }
.chip.used { visibility: hidden; }

/* grammar: form determination */
.formid-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0 14px; }
.formid-btn {
    flex: 1;
    min-width: 58px;
    background: var(--card);
    border: 2px solid var(--line);
    border-bottom: 4px solid var(--line);
    border-radius: 10px;
    padding: 12px 6px;
    font-weight: 800;
    font-size: 15px;
    cursor: pointer;
    color: var(--ink);
}
.formid-btn.sel { border-color: var(--sky); background: #eaf4fc; color: var(--sky-dark); }
.formid-btn.good { border-color: var(--laurel); background: var(--laurel-soft); color: var(--laurel-dark); }
.formid-btn.bad { border-color: var(--wrong); background: #fcecea; color: var(--wrong-dark); }

/* ----------------------------------------------------------- chapter activity hub */
.activity {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 13px;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
}
.activity.done { border-color: #d3e4ba; background: var(--laurel-soft); }
.activity-ico {
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 900;
    background: var(--parchment-2);
    border-radius: 12px;
}
.activity.done .activity-ico { background: var(--laurel); color: #fff; }
.activity-main { flex: 1; min-width: 0; }
.activity-title { font-weight: 800; font-size: 16px; }
.activity-sub { color: var(--muted); font-size: 12px; font-weight: 600; margin-top: 2px; }
.activity-start {
    border: none;
    background: var(--laurel);
    color: #fff;
    border-bottom: 3px solid var(--laurel-dark);
    border-radius: 10px;
    padding: 9px 14px;
    font-weight: 800;
    cursor: pointer;
    white-space: nowrap;
}
.activity.done .activity-start { background: var(--card); color: var(--laurel-dark); border: 2px solid var(--laurel); border-bottom-width: 2px; }
.activity-start:active { transform: translateY(2px); }
.activity-lock { font-size: 18px; opacity: .5; }

.focus-chip {
    display: inline-block;
    background: var(--laurel-soft);
    color: var(--laurel-dark);
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 12px;
    font-weight: 800;
}

.text-input {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 14px;
    border: 2px solid var(--line);
    border-radius: 12px;
    font-size: 16px;
    font-family: inherit;
    background: var(--parchment-2);
}
.text-input:focus { outline: none; border-color: var(--laurel); }

.info-card { border-left: 4px solid var(--laurel); }
.gex-list { margin-top: 10px; border-top: 1px dashed var(--line); padding-top: 8px; }
.gex-head { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 4px; }
.gex { display: flex; flex-wrap: wrap; gap: 4px 8px; padding: 3px 0; }
.gex-lat { font-weight: 700; color: var(--ink); }
.gex-de { color: var(--muted); }
.gex-de::before { content: "— "; }

.read-line { padding: 7px 0; border-bottom: 1px dashed var(--line); }
.read-line:last-child { border-bottom: none; }
.read-lat { font-weight: 700; font-size: 17px; line-height: 1.35; }
.read-de { color: var(--muted); font-size: 14px; margin-top: 2px; }

.legal { text-align: left; }
.legal h3 { margin: 14px 0 4px; font-size: 14px; color: var(--laurel-dark); }
.legal-p { margin: 0 0 6px; font-size: 14px; line-height: 1.55; color: var(--ink); }
.link { color: var(--laurel-dark); font-weight: 700; text-decoration: underline; cursor: pointer; }
.consent-row { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--muted); text-align: left; cursor: pointer; }
.consent-row input { margin-top: 2px; width: 18px; height: 18px; flex: 0 0 auto; }

/* ----------------------------------------------------------- league / leaderboard */
.lb-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 11px 14px;
    margin-bottom: 8px;
    box-shadow: var(--shadow);
}
.lb-item.promo { border-color: #cfe3b0; }
.lb-item.me { border-color: var(--gold); background: #fbf3dd; }
.lb-rank { width: 30px; text-align: center; font-weight: 900; font-size: 18px; color: var(--muted); flex: 0 0 auto; }
.lb-name { flex: 1; font-weight: 800; min-width: 0; }
.lb-name .lb-sub { display: block; font-size: 11px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .03em; }
.lb-xp { font-weight: 900; color: var(--laurel-dark); white-space: nowrap; }
.lb-divider {
    text-align: center;
    color: var(--laurel-dark);
    font-weight: 800;
    font-size: 12px;
    margin: 2px 0 10px;
    border-top: 2px dashed #cfe3b0;
    padding-top: 8px;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 90px;
    transform: translateX(-50%);
    background: var(--ink);
    color: #fff;
    padding: 10px 16px;
    border-radius: 999px;
    font-weight: 700;
    z-index: 50;
    opacity: 0;
    transition: opacity .2s;
    pointer-events: none;
}
.toast.show { opacity: .95; }

/* ----------------------------------------------------------- modal dialog */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(43, 33, 24, .5);
    opacity: 0;
    transition: opacity .2s ease;
}
.modal-overlay.show { opacity: 1; }
.modal {
    width: 100%;
    max-width: 380px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 16px 44px rgba(0, 0, 0, .28);
    padding: 22px;
    text-align: center;
    transform: translateY(10px) scale(.96);
    transition: transform .2s ease;
}
.modal-overlay.show .modal { transform: none; }
.modal-icon { font-size: 34px; line-height: 1; margin-bottom: 6px; }
.modal-title { font-size: 19px; font-weight: 900; color: var(--ink); margin-bottom: 6px; }
.modal-text { color: var(--muted); font-weight: 600; line-height: 1.5; margin-bottom: 18px; }
.modal-actions { display: flex; gap: 10px; }
.modal-actions .btn { flex: 1; width: auto; }
.btn.danger { background: var(--wrong); border-bottom-color: var(--wrong-dark); }

/* ===================================================================
   Rufus — designed, state-driven mascot (data-state on .rufus-root).
   =================================================================== */
  /* ---------- Fell-Palette (CSS-Variablen, leicht austauschbar) ---------- */
  .rufus-root {
    --fur:       #E7B575;
    --fur-dark:  #CE9850;
    --fur-light: #F4DBAB;
    --nose:      #3B2A20;
    --mouth:     #6B4A38;
    --tongue:    #E98E84;
    --leaf:      #7E8B46;
    --leaf-dark: #67753A;
    --gold:      #D9A441;
    --accent:    #B6492F;
    overflow: visible;
  }
  .rufus-root[data-fur="schokolade"] { --fur:#7E5536; --fur-dark:#5E3C25; --fur-light:#9A6E45; --mouth:#3E2719; }
  .rufus-root[data-fur="schwarz"]    { --fur:#43403F; --fur-dark:#2C2928; --fur-light:#5A5452; --mouth:#241F1E; }

  /* ---------- Pivots ---------- */
  .rufus     { transform-box: fill-box; transform-origin: 50% 100%; }
  .shadow    { transform-box: fill-box; transform-origin: 50% 50%; }
  .body      { transform-box: fill-box; transform-origin: 50% 100%; }
  .head      { transform-box: fill-box; transform-origin: 50% 88%; transition: transform .55s cubic-bezier(.3,.7,.3,1); }
  .tail      { transform-box: fill-box; transform-origin: 16% 90%; }
  .earL, .earR { transform-box: fill-box; transform-origin: 60% 8%; transition: transform .5s ease; }
  .earR      { transform-origin: 40% 8%; }
  .eyes-neutral { transform-box: fill-box; transform-origin: 50% 50%; }
  .mouth-small  { transform-box: fill-box; transform-origin: 50% 50%; }
  .nose-grp     { transform-box: fill-box; transform-origin: 50% 60%; }

  /* ---------- Sichtbarkeit der Gesichts-Varianten (Default = idle) ---------- */
  .eyes-happy, .eyes-sad, .eyes-closed,
  .mouth-big, .mouth-frown, .mouth-small, .mouth-sleep,
  .brows-sad, .brows-up { display: none; }
  .wreath { opacity: 0; transition: opacity .4s ease; }
  .ovl { display: none; }

  /* =========================================================
     KEYFRAMES
     ========================================================= */
  @keyframes r-breathe      { 0%,100%{ transform: scaleY(1); } 50%{ transform: scaleY(1.035); } }
  @keyframes r-breathe-slow { 0%,100%{ transform: scaleY(1) translateY(0); } 50%{ transform: scaleY(1.05) translateY(-1px); } }
  @keyframes r-wag          { 0%,100%{ transform: rotate(-7deg); } 50%{ transform: rotate(10deg); } }
  @keyframes r-wag-fast     { 0%,100%{ transform: rotate(-17deg); } 50%{ transform: rotate(21deg); } }
  @keyframes r-wag-tiny     { 0%,100%{ transform: rotate(-3deg); } 50%{ transform: rotate(4deg); } }
  @keyframes r-blink        { 0%,93%,100%{ transform: scaleY(1); } 96%{ transform: scaleY(.08); } }
  @keyframes r-hop          { 0%,100%{ transform: translateY(0); } 35%{ transform: translateY(-7px); } 55%{ transform: translateY(-2px); } }
  @keyframes r-jump         { 0%,100%{ transform: translateY(0) scaleY(1); } 12%{ transform: translateY(3px) scaleY(.93); } 42%{ transform: translateY(-36px) scaleY(1.06); } 70%{ transform: translateY(0) scaleY(.98); } }
  @keyframes r-shadow-jump  { 0%,100%{ transform: scale(1); opacity:.45; } 42%{ transform: scale(.7); opacity:.25; } }
  @keyframes r-sniff        { 0%,100%{ transform: translateY(2px) rotate(0); } 25%{ transform: translateY(8px) rotate(-3deg); } 50%{ transform: translateY(6px) rotate(2deg); } 75%{ transform: translateY(8px) rotate(-2deg); } }
  @keyframes r-talk         { 0%,100%{ transform: scaleY(.45); } 50%{ transform: scaleY(1.25); } }
  @keyframes r-longing      { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(2px); } }
  @keyframes r-confetti     { 0%{ transform: translateY(-6px) rotate(0); opacity:0; } 12%{ opacity:1; } 100%{ transform: translateY(150px) rotate(320deg); opacity:0; } }
  @keyframes r-zzz          { 0%{ transform: translate(0,0) scale(.6); opacity:0; } 25%{ opacity:1; } 100%{ transform: translate(16px,-46px) scale(1.25); opacity:0; } }
  @keyframes r-heart        { 0%,100%{ transform: scale(.85) translateY(2px); opacity:.4; } 50%{ transform: scale(1.05) translateY(-7px); opacity:1; } }
  @keyframes r-puff         { 0%{ transform: translate(0,0) scale(.4); opacity:0; } 30%{ opacity:.8; } 100%{ transform: translate(-22px,-20px) scale(1); opacity:0; } }

  /* =========================================================
     STATE: idle  — ruhiges Atmen + leichtes Wedeln + Blinzeln
     ========================================================= */
  .rufus-root[data-state="idle"] .body { animation: r-breathe 4.2s ease-in-out infinite; }
  .rufus-root[data-state="idle"] .tail { animation: r-wag 2.8s ease-in-out infinite; }
  .rufus-root[data-state="idle"] .eyes-neutral { animation: r-blink 5s infinite; }

  /* =========================================================
     STATE: richtig — freudig, Ohren hoch, Kranz, kleiner Hüpfer
     ========================================================= */
  .rufus-root[data-state="richtig"] .eyes-neutral { display:none; }
  .rufus-root[data-state="richtig"] .eyes-happy   { display:block; }
  .rufus-root[data-state="richtig"] .mouth-smile  { display:none; }
  .rufus-root[data-state="richtig"] .mouth-big    { display:block; }
  .rufus-root[data-state="richtig"] .wreath { opacity:1; }
  .rufus-root[data-state="richtig"] .rufus { animation: r-hop 1.3s ease-in-out infinite; }
  .rufus-root[data-state="richtig"] .tail  { animation: r-wag-fast .34s ease-in-out infinite; }
  .rufus-root[data-state="richtig"] .earL  { transform: rotate(9deg) translateY(-2px); }
  .rufus-root[data-state="richtig"] .earR  { transform: rotate(-9deg) translateY(-2px); }

  /* =========================================================
     STATE: falsch — enttäuscht, Kopf schief, Ohren hängen
     ========================================================= */
  .rufus-root[data-state="falsch"] .eyes-neutral { display:none; }
  .rufus-root[data-state="falsch"] .eyes-sad     { display:block; }
  .rufus-root[data-state="falsch"] .mouth-smile  { display:none; }
  .rufus-root[data-state="falsch"] .mouth-frown  { display:block; }
  .rufus-root[data-state="falsch"] .brows-neutral{ display:none; }
  .rufus-root[data-state="falsch"] .brows-sad    { display:block; }
  .rufus-root[data-state="falsch"] .head { transform: rotate(-11deg) translateY(3px); }
  .rufus-root[data-state="falsch"] .earL { transform: rotate(-16deg) translateY(7px); }
  .rufus-root[data-state="falsch"] .earR { transform: rotate(16deg) translateY(7px); }
  .rufus-root[data-state="falsch"] .body { animation: r-breathe-slow 4.6s ease-in-out infinite; }
  .rufus-root[data-state="falsch"] .tail { animation: r-wag-tiny 3.4s ease-in-out infinite; }

  /* =========================================================
     STATE: feiern — großer Sprung, Konfetti, Kranz
     ========================================================= */
  .rufus-root[data-state="feiern"] .eyes-neutral { display:none; }
  .rufus-root[data-state="feiern"] .eyes-happy   { display:block; }
  .rufus-root[data-state="feiern"] .mouth-smile  { display:none; }
  .rufus-root[data-state="feiern"] .mouth-big    { display:block; }
  .rufus-root[data-state="feiern"] .wreath   { opacity:1; }
  .rufus-root[data-state="feiern"] .ovl.confetti { display:block; }
  .rufus-root[data-state="feiern"] .rufus  { animation: r-jump 1.15s cubic-bezier(.35,.1,.3,1) infinite; }
  .rufus-root[data-state="feiern"] .shadow { animation: r-shadow-jump 1.15s cubic-bezier(.35,.1,.3,1) infinite; }
  .rufus-root[data-state="feiern"] .tail   { animation: r-wag-fast .3s ease-in-out infinite; }
  .rufus-root[data-state="feiern"] .earL   { transform: rotate(12deg) translateY(-2px); }
  .rufus-root[data-state="feiern"] .earR   { transform: rotate(-12deg) translateY(-2px); }

  /* =========================================================
     STATE: denken — Spürhund, Kopf gesenkt, schnüffelt
     ========================================================= */
  .rufus-root[data-state="denken"] .mouth-smile { display:none; }
  .rufus-root[data-state="denken"] .mouth-small { display:block; }
  .rufus-root[data-state="denken"] .ovl.sniff   { display:block; }
  .rufus-root[data-state="denken"] .head { animation: r-sniff 1.6s ease-in-out infinite; }
  .rufus-root[data-state="denken"] .nose-grp { animation: r-talk .8s ease-in-out infinite; }
  .rufus-root[data-state="denken"] .earL { transform: rotate(6deg); }
  .rufus-root[data-state="denken"] .earR { transform: rotate(-3deg) translateY(4px); }
  .rufus-root[data-state="denken"] .tail { animation: r-wag-tiny 2.2s ease-in-out infinite; }

  /* =========================================================
     STATE: erklären — aufmerksam, Sprechblase, redet
     ========================================================= */
  .rufus-root[data-state="erklaeren"] .mouth-smile { display:none; }
  .rufus-root[data-state="erklaeren"] .mouth-small { display:block; animation: r-talk .42s ease-in-out infinite; }
  .rufus-root[data-state="erklaeren"] .brows-neutral { display:none; }
  .rufus-root[data-state="erklaeren"] .brows-up      { display:block; }
  .rufus-root[data-state="erklaeren"] .ovl.bubble { display:block; }
  .rufus-root[data-state="erklaeren"] .eyes-neutral { animation: r-blink 5.5s infinite; }
  .rufus-root[data-state="erklaeren"] .earL { transform: rotate(7deg) translateY(-1px); }
  .rufus-root[data-state="erklaeren"] .earR { transform: rotate(-7deg) translateY(-1px); }
  .rufus-root[data-state="erklaeren"] .tail { animation: r-wag 3s ease-in-out infinite; }

  /* =========================================================
     STATE: warten — sehnsüchtig, Streak unterbrochen
     ========================================================= */
  .rufus-root[data-state="warten"] .eyes-neutral { display:none; }
  .rufus-root[data-state="warten"] .eyes-sad     { display:block; }
  .rufus-root[data-state="warten"] .mouth-smile  { display:none; }
  .rufus-root[data-state="warten"] .mouth-sleep  { display:block; }
  .rufus-root[data-state="warten"] .brows-neutral{ display:none; }
  .rufus-root[data-state="warten"] .brows-sad    { display:block; }
  .rufus-root[data-state="warten"] .ovl.heart { display:block; }
  .rufus-root[data-state="warten"] .head { transform: translateY(-2px); animation: r-longing 3.4s ease-in-out infinite; }
  .rufus-root[data-state="warten"] .earL { transform: rotate(-12deg) translateY(6px); }
  .rufus-root[data-state="warten"] .earR { transform: rotate(12deg) translateY(6px); }
  .rufus-root[data-state="warten"] .body { animation: r-breathe-slow 5s ease-in-out infinite; }
  .rufus-root[data-state="warten"] .tail { animation: r-wag-tiny 4s ease-in-out infinite; }

  /* =========================================================
     STATE: schlafen — Augen zu, Zzz, ruhiges Atmen
     ========================================================= */
  .rufus-root[data-state="schlafen"] .eyes-neutral { display:none; }
  .rufus-root[data-state="schlafen"] .eyes-closed  { display:block; }
  .rufus-root[data-state="schlafen"] .mouth-smile  { display:none; }
  .rufus-root[data-state="schlafen"] .mouth-sleep  { display:block; }
  .rufus-root[data-state="schlafen"] .ovl.zzz { display:block; }
  .rufus-root[data-state="schlafen"] .head { transform: rotate(7deg) translateY(3px); }
  .rufus-root[data-state="schlafen"] .earL { transform: rotate(-4deg); }
  .rufus-root[data-state="schlafen"] .earR { transform: rotate(6deg) translateY(3px); }
  .rufus-root[data-state="schlafen"] .body { animation: r-breathe-slow 5.4s ease-in-out infinite; }

  /* ---------- Konfetti-Stücke ---------- */
  .ovl.confetti .cf { animation: r-confetti 1.6s linear infinite; transform-box: fill-box; transform-origin: center; }
  .ovl.zzz .zz       { animation: r-zzz 2.4s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
  .ovl.heart .hrt    { animation: r-heart 2.2s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
  .ovl.sniff .puff   { animation: r-puff 1.6s ease-out infinite; transform-box: fill-box; transform-origin: center; }

/* ---- wrapper + kept helpers (bones particles, Wuff bubbles, modal already above) ---- */
.rufus-box { display: inline-block; line-height: 0; flex: 0 0 auto; vertical-align: middle; }
.rufus-box svg { width: 100%; height: 100%; display: block; overflow: visible; }

@keyframes r-popin { 0% { transform: scale(.4); opacity: 0; } 60% { transform: scale(1.12); } 100% { transform: scale(1); opacity: 1; } }

/* "Wuff!" bark bubbles */
.wuff {
    display: inline-block;
    background: var(--gold); color: #fff; font-weight: 900; font-size: 14px;
    padding: 4px 12px; border-radius: 999px; box-shadow: 0 2px 0 var(--gold-dark);
    animation: r-popin .3s ease both; white-space: nowrap;
}
.wuff.float {
    position: absolute; left: 50%; top: 8%; transform: translateX(-50%);
    animation: r-wuff-float 1.15s ease-out forwards; pointer-events: none; z-index: 3;
}
@keyframes r-wuff-float {
    0% { opacity: 0; transform: translate(-50%, 8px) scale(.6); }
    20% { opacity: 1; transform: translate(-50%, 0) scale(1.05); }
    100% { opacity: 0; transform: translate(-50%, -36px) scale(1); }
}

/* Rufus trotting along the learning path, next to the current station */
.via-rufus {
    position: absolute; top: 50%; left: 50%;
    width: 60px; height: 60px; transform: translate(-100px, -50%);
    pointer-events: none; z-index: 2;
}

/* Mascot reacting inside the answer feedback card */
.feedback-head .rufus-box { width: 52px; height: 52px; animation: r-popin .35s ease both; }

/* Celebration particles (bones / stars drifting up) */
.celebrate { position: relative; }
.particle {
    position: absolute; top: 30%; pointer-events: none; will-change: transform, opacity;
    animation: r-float 1.5s ease-out forwards; z-index: 1;
}
@keyframes r-float {
    0%   { opacity: 0; transform: translateY(0) scale(.5) rotate(0); }
    15%  { opacity: 1; }
    100% { opacity: 0; transform: translateY(-120px) scale(1.15) rotate(22deg); }
}

/* Reward tiles springing in on the result screen */
.reward.pop { animation: r-rewardpop .45s cubic-bezier(.2, 1.3, .4, 1) both; }
@keyframes r-rewardpop { 0% { transform: scale(.5); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
    .rufus-root *, .wuff, .feedback-head .rufus-box, .particle, .reward.pop, .node.current { animation: none !important; }
    .particle, .wuff.float { display: none; }
}