/* ==========================================================
   LESSON 21 — BIG REVIEW II
   SAME DESIGN SYSTEM AS LESSON 20
========================================================== */

@import url("lesson-20.css");


/* ==========================================================
   BODY
========================================================== */

.grammar-review-body {
    font-family: "Fredoka", sans-serif;
    color: var(--review-ink);
}

.grammar-review-body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -5;
    pointer-events: none;

    background:
        radial-gradient(
            circle at 12% 18%,
            rgba(255, 239, 181, 0.48),
            transparent 28%
        ),
        radial-gradient(
            circle at 88% 30%,
            rgba(218, 231, 255, 0.56),
            transparent 31%
        ),
        linear-gradient(
            180deg,
            #fbfaff 0%,
            #f8fbff 48%,
            #fffaf2 100%
        );
}


/* ==========================================================
   HEADER AND PROGRESS
========================================================== */

.grammar-review-body .lesson-logo {
    background:
        linear-gradient(
            145deg,
            var(--review-purple),
            #9187e8
        );

    box-shadow:
        0 7px 0 #5d54b8,
        0 12px 20px rgba(93, 84, 184, 0.18);
}

.grammar-review-body .chapter-number {
    color: var(--review-purple-dark);
}

.grammar-review-body .lesson-progress-fill {
    background:
        linear-gradient(
            90deg,
            var(--review-purple),
            var(--review-blue),
            var(--review-gold)
        );

    box-shadow:
        0 0 16px rgba(125, 114, 222, 0.28);
}

.grammar-review-body .lesson-progress-number strong {
    color: var(--review-purple-dark);
}

.grammar-review-body .main-action-button {
    background:
        linear-gradient(
            145deg,
            #887ce5,
            #7165d0
        );

    border-bottom-color: #564cad;

    box-shadow:
        0 11px 21px rgba(92, 81, 182, 0.17);
}

.grammar-review-body .main-action-button:hover {
    box-shadow:
        0 14px 25px rgba(92, 81, 182, 0.22);
}

.grammar-review-body .screen-label {
    color: var(--review-purple-dark);
}


/* ==========================================================
   FLOATING SYMBOLS
========================================================== */

.floating-grammar-one {
    top: 17%;
    left: 5%;
    transform: rotate(-8deg);
    animation: grammarFloatOne 5.4s ease-in-out infinite;
}

.floating-grammar-two {
    top: 45%;
    right: 5%;
    transform: rotate(7deg);
    animation: grammarFloatTwo 6.2s ease-in-out infinite;
}

.floating-grammar-three {
    bottom: 12%;
    left: 8%;
    transform: rotate(-6deg);
    animation: grammarFloatOne 5.8s ease-in-out infinite reverse;
}


/* ==========================================================
   INTRO
========================================================== */

.grammar-intro-page {
    position: relative;
}

.grammar-intro-page .story-book-icon {
    width: 116px;
    height: 116px;
    margin: 0 auto 22px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid rgba(111, 98, 190, 0.17);
    border-radius: 34px;

    background:
        linear-gradient(
            145deg,
            #eeeaff,
            #ddd7ff
        );

    box-shadow:
        0 15px 30px rgba(83, 69, 166, 0.10);

    font-size: 61px;

    animation: grammarCastleEntrance 0.72s ease both;
}

.grammar-intro-page .story-main-text {
    max-width: 690px;
}

.grammar-intro-page .story-main-text strong {
    color: var(--review-purple-dark);
}

.grammar-intro-page .mission-icon {
    background:
        linear-gradient(
            145deg,
            #fff6d7,
            #f4e4ad
        );
}

.grammar-mission-card {
    border-color: #ddd5f8;

    background:
        linear-gradient(
            145deg,
            #fffefd,
            #f7f4ff
        );
}

.grammar-mission-card strong {
    color: var(--review-purple-dark);
}


/* ==========================================================
   INTRO SKILLS
========================================================== */

.skill-power-row {
    width: min(650px, 100%);
    margin: 25px auto 27px;

    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 13px;
}

.skill-power-item {
    min-height: 116px;
    padding: 17px 12px 15px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;

    border: 2px solid #ded9ee;
    border-bottom: 6px solid #c8c1dd;
    border-radius: 22px;

    background:
        linear-gradient(
            180deg,
            #ffffff,
            #faf8ff
        );

    box-shadow:
        0 10px 21px rgba(74, 65, 123, 0.06);
}

.skill-power-item:nth-child(1) {
    border-color: #dcd5fc;
    border-bottom-color: #c2b9ee;

    background:
        linear-gradient(
            180deg,
            #f2efff,
            #faf9ff
        );
}

.skill-power-item:nth-child(2) {
    border-color: #d2e9f7;
    border-bottom-color: #b8d8ea;

    background:
        linear-gradient(
            180deg,
            #eaf7ff,
            #f8fcff
        );
}

.skill-power-item:nth-child(3) {
    border-color: #f0e2b7;
    border-bottom-color: #dfcb91;

    background:
        linear-gradient(
            180deg,
            #fff7dd,
            #fffdf5
        );
}

.skill-power-item span {
    font-size: 35px;
    line-height: 1;
}

.skill-power-item strong {
    color: var(--review-ink);
    font-size: 16px;
    font-weight: 700;
}


/* ==========================================================
   HEADINGS
========================================================== */

.castle-start-page,
.grammar-round-page {
    position: relative;
}

.castle-start-page .parts-heading-icon,
.grammar-round-page .active-part-icon {
    background:
        linear-gradient(
            145deg,
            #eeeaff,
            #ded8ff
        );
}

.castle-start-page .parts-heading h2,
.grammar-round-page .active-part-heading h2 {
    color: var(--review-ink);
}

.grammar-round-page .active-part-heading {
    margin-bottom: 24px;
}

.grammar-round-page .active-part-icon {
    width: 74px;
    height: 74px;
    font-size: 38px;
}

.grammar-round-page .active-part-heading > p:last-child {
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}


/* ==========================================================
   CASTLE SCORE
========================================================== */

.castle-score-card {
    width: min(720px, 100%);
    margin: 0 auto 28px;
    padding: 21px 25px;

    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;

    border: 2px solid #dcd7ee;
    border-bottom: 7px solid #c5bedc;
    border-radius: 26px;

    background:
        linear-gradient(
            180deg,
            #fffefd,
            #f7f5ff
        );

    box-shadow:
        0 12px 28px var(--review-shadow);
}

.castle-score-item {
    min-width: 0;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;

    text-align: center;
}

.castle-score-item span {
    margin-bottom: 3px;
    font-size: 28px;
    line-height: 1;
}

.castle-score-item strong {
    color: var(--review-purple-dark);
    font-size: 25px;
    line-height: 1.1;
}

.castle-score-item small {
    color: var(--review-muted);
    font-size: 13px;
    font-weight: 600;
}

.castle-score-divider {
    width: 2px;
    height: 56px;
    border-radius: 10px;
    background: #e2deed;
}


/* ==========================================================
   KEY PROGRESS
========================================================== */

.castle-key-row {
    width: min(650px, 100%);
    margin: 0 auto 28px;
    padding: 13px 18px;

    display: flex;
    align-items: center;
    justify-content: center;
}

.castle-key-slot {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid #d9d5e6;
    border-bottom: 5px solid #c7c2d7;
    border-radius: 50%;

    background: #ffffff;
    color: #8b8798;

    font-size: 15px;
    font-weight: 700;

    transition: 0.25s ease;
}

.castle-key-slot.active-key-slot {
    border-color: #9287e3;
    border-bottom-color: #665bc0;

    background:
        linear-gradient(
            145deg,
            #968be8,
            #7569d2
        );

    color: #ffffff;

    box-shadow:
        0 8px 17px rgba(104, 91, 192, 0.20);
}

.castle-key-slot.found-key-slot {
    border-color: #e4c067;
    border-bottom-color: #c9972b;

    background:
        linear-gradient(
            145deg,
            #ffdc7c,
            #efb744
        );

    color: #74510e;
    font-size: 0;
}

.castle-key-slot.found-key-slot::before {
    content: "🔑";
    font-size: 19px;
}

.castle-key-line {
    width: 42px;
    height: 5px;
    flex: 1 1 42px;
    max-width: 56px;
    margin: 0 4px;

    border-radius: 10px;
    background: #ddd9e7;
}

.castle-key-line.found-key-line {
    background:
        linear-gradient(
            90deg,
            #efbc4f,
            #f6d786
        );
}


/* ==========================================================
   CASTLE GATE
========================================================== */

.castle-gate-card {
    width: min(720px, 100%);
    margin: 0 auto 31px;
    padding: 22px 25px;

    display: flex;
    align-items: center;
    gap: 20px;

    border: 2px solid #dcd5f8;
    border-bottom: 7px solid #c2b8e7;
    border-radius: 27px;

    background:
        linear-gradient(
            145deg,
            #f5f2ff,
            #fffefd
        );

    box-shadow:
        0 12px 27px rgba(75, 62, 148, 0.07);

    text-align: left;
}

.castle-gate-visual {
    width: 88px;
    height: 88px;
    flex: 0 0 88px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid #d8d0f5;
    border-radius: 25px;

    background: #ebe7ff;

    font-size: 49px;
}

.castle-gate-card > div:last-child {
    min-width: 0;
}

.castle-gate-card span {
    display: block;
    margin-bottom: 6px;

    color: var(--review-purple-dark);

    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.11em;
}

.castle-gate-card h3 {
    margin: 0 0 6px;
    color: var(--review-ink);
    font-size: 20px;
}

.castle-gate-card p {
    margin: 0;
    color: var(--review-muted);
    font-size: 15px;
    line-height: 1.55;
}


/* ==========================================================
   ROUND PROGRESS
========================================================== */

.grammar-review-body .round-progress-card {
    width: min(720px, 100%);
    margin: 0 auto 20px;
    padding: 14px 18px;

    display: flex;
    align-items: center;
    gap: 16px;

    border: 2px solid #e0dcec;
    border-radius: 18px;

    background: rgba(255, 255, 255, 0.82);

    box-shadow:
        0 8px 18px rgba(74, 65, 123, 0.05);
}

.grammar-review-body .round-progress-card > span {
    min-width: 50px;

    color: var(--review-purple-dark);

    font-size: 14px;
    font-weight: 700;
    text-align: center;
}

.grammar-review-body .round-progress-track {
    height: 12px;
    flex: 1;
    overflow: hidden;

    border-radius: 999px;

    background: #e8e5ef;

    box-shadow:
        inset 0 2px 4px rgba(75, 67, 108, 0.07);
}

.grammar-review-body .round-progress-fill {
    width: 0;
    height: 100%;

    border-radius: inherit;

    background:
        linear-gradient(
            90deg,
            var(--review-purple),
            var(--review-blue)
        );

    transition: width 0.42s ease;
}


/* ==========================================================
   COMMON CHALLENGE CARD
========================================================== */

.grammar-challenge-card {
    width: min(760px, 100%);
    min-height: 390px;
    margin: 0 auto 24px;
    padding: 29px 28px 30px;

    border: 2px solid #dcd7eb;
    border-bottom: 8px solid #c6bfdc;
    border-radius: 31px;

    background:
        linear-gradient(
            180deg,
            #fffefd,
            #f9f7ff
        );

    box-shadow:
        0 15px 34px rgba(70, 61, 118, 0.08);

    text-align: center;
}

.grammar-challenge-card button {
    font-family: inherit;
}

.grammar-challenge-card button:disabled {
    cursor: default;
}

.challenge-small-label {
    display: inline-flex;
    margin-bottom: 10px;
    padding: 6px 11px;

    border-radius: 999px;

    background: var(--review-purple-soft);
    color: var(--review-purple-dark);

    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.11em;
}

.grammar-review-body .game-feedback {
    min-height: 28px;
    margin: 18px 0 0;

    color: var(--review-muted);

    font-size: 16px;
    font-weight: 600;
    line-height: 1.45;
    text-align: center;
}

.grammar-review-body .game-feedback.correct-feedback {
    color: #429a6b;
}

.grammar-review-body .game-feedback.wrong-feedback {
    color: #d45f6b;
}


/* ==========================================================
   SENTENCE BUILDER
========================================================== */

.builder-challenge-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.builder-picture {
    width: 112px;
    height: 92px;
    margin-bottom: 14px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid #d8d1f5;
    border-bottom: 6px solid #bbb2e2;
    border-radius: 26px;

    background:
        linear-gradient(
            145deg,
            #f2efff,
            #e8e3ff
        );

    box-shadow:
        0 10px 21px rgba(75, 62, 146, 0.08);

    font-size: 43px;
}

.sentence-build-zone {
    width: 100%;
    min-height: 88px;
    margin: 6px auto 20px;
    padding: 14px;

    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 9px;

    border: 2px dashed #bdb4df;
    border-radius: 20px;

    background: rgba(240, 236, 255, 0.55);
}

.sentence-build-zone.correct-zone {
    border-style: solid;
    border-color: #83cfa4;
    background: var(--review-green-soft);
}

.sentence-build-zone.wrong-zone {
    border-style: solid;
    border-color: #eb9ca5;
    background: var(--review-red-soft);
    animation: grammarWrongShake 0.34s ease;
}

.build-placeholder {
    color: #9a95aa;
    font-size: 14px;
    font-weight: 600;
}

.sentence-word-bank {
    width: 100%;
    min-height: 75px;
    padding: 12px;

    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 9px;

    border-radius: 19px;
    background: #f7f5fb;
}

.sentence-word-button,
.built-word-button {
    min-height: 43px;
    padding: 9px 15px 10px;

    border: 2px solid #d8d2e7;
    border-bottom: 5px solid #bdb6cf;
    border-radius: 14px;

    background: #ffffff;
    color: var(--review-ink);

    font-size: 15px;
    font-weight: 700;

    cursor: pointer;
    transition: 0.18s ease;
}

.sentence-word-button:hover:not(:disabled),
.built-word-button:hover:not(:disabled) {
    transform: translateY(-2px);
    border-color: #aaa1dc;
}

.sentence-word-button.used-word {
    opacity: 0.25;
    transform: none;
}

.built-word-button {
    border-color: #bdb4eb;
    border-bottom-color: #8f84ce;

    background:
        linear-gradient(
            180deg,
            #f3f0ff,
            #e9e4ff
        );

    color: var(--review-purple-dark);
}

.builder-control-row {
    margin-top: 20px;

    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 11px;
    flex-wrap: wrap;
}

.small-secondary-button,
.small-check-button {
    min-height: 49px;
    padding: 11px 20px 13px;

    border: 2px solid #d8d2e8;
    border-bottom: 5px solid #bdb6cf;
    border-radius: 16px;

    background: #ffffff;
    color: var(--review-purple-dark);

    font-size: 14px;
    font-weight: 700;

    cursor: pointer;
    transition: 0.18s ease;
}

.small-check-button {
    border-color: #9186df;
    border-bottom-color: #5f54b7;

    background:
        linear-gradient(
            145deg,
            #887ce5,
            #7165d0
        );

    color: #ffffff;
}

.small-secondary-button:hover,
.small-check-button:hover {
    transform: translateY(-2px);
}


/* ==========================================================
   GRAMMAR SWITCH
========================================================== */

.grammar-switch-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.grammar-switch-icon {
    width: 102px;
    height: 102px;
    margin-bottom: 14px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid #efd893;
    border-bottom: 7px solid #d9b959;
    border-radius: 29px;

    background:
        linear-gradient(
            145deg,
            #fff5cd,
            #ffe6a2
        );

    box-shadow:
        0 13px 26px rgba(131, 94, 26, 0.09);

    font-size: 55px;
}

.grammar-switch-card h3 {
    max-width: 620px;
    margin: 0 auto 13px;

    color: var(--review-ink);

    font-size: clamp(23px, 3vw, 31px);
    line-height: 1.35;
}

.grammar-switch-card .mini-listen-button {
    margin: 0 auto 21px;
}

.grammar-option-grid {
    width: 100%;

    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 13px;
}

.grammar-option-button {
    min-height: 72px;
    padding: 13px 15px;

    border: 2px solid #ded9e9;
    border-bottom: 6px solid #c6c0d5;
    border-radius: 19px;

    background: #ffffff;
    color: var(--review-ink);

    font-size: 17px;
    font-weight: 700;

    cursor: pointer;
    transition: 0.18s ease;
}

.grammar-option-button:hover:not(:disabled) {
    transform: translateY(-3px);
    border-color: #bbb2e6;
}


/* ==========================================================
   PICTURE TALK
========================================================== */

.picture-talk-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.picture-scene {
    width: min(430px, 100%);
    min-height: 180px;
    margin-bottom: 17px;
    padding: 24px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid #cfe6f3;
    border-bottom: 8px solid #afd1e4;
    border-radius: 29px;

    background:
        linear-gradient(
            180deg,
            #e9f7ff,
            #f7fcff
        );

    box-shadow:
        0 13px 28px rgba(49, 105, 136, 0.08);

    font-size: clamp(57px, 10vw, 84px);
}

.scene-sound-button {
    margin: 0 auto 22px;
    padding: 11px 17px 13px;

    border: 2px solid #d8d1f0;
    border-bottom: 5px solid #bbb3d9;
    border-radius: 16px;

    background: #ffffff;
    color: var(--review-purple-dark);

    font-size: 14px;
    font-weight: 700;

    cursor: pointer;
    transition: 0.18s ease;
}

.scene-sound-button:hover {
    transform: translateY(-2px);
    border-color: #aaa1dc;
}

.picture-sentence-grid {
    width: 100%;

    display: grid;
    grid-template-columns: 1fr;
    gap: 11px;
}

.picture-sentence-button {
    min-height: 65px;
    padding: 13px 17px;

    border: 2px solid #ded9e9;
    border-bottom: 6px solid #c6c0d5;
    border-radius: 18px;

    background: #ffffff;
    color: var(--review-ink);

    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;

    cursor: pointer;
    transition: 0.18s ease;
}

.picture-sentence-button:hover:not(:disabled) {
    transform: translateY(-2px);
    border-color: #b8afe4;
}


/* ==========================================================
   READING
========================================================== */

.reading-layout {
    width: min(920px, 100%);
    margin: 0 auto 25px;

    display: grid;
    grid-template-columns:
        minmax(0, 1.08fr)
        minmax(0, 0.92fr);

    align-items: stretch;
    gap: 20px;
}

.reading-story-card,
.reading-question-card {
    padding: 26px 24px;

    border: 2px solid #dcd7eb;
    border-bottom: 8px solid #c6bfdc;
    border-radius: 29px;

    background:
        linear-gradient(
            180deg,
            #fffefd,
            #f9f7ff
        );

    box-shadow:
        0 14px 30px rgba(70, 61, 118, 0.07);
}

.reading-story-card {
    text-align: left;
}

.reading-story-top {
    margin-bottom: 18px;

    display: flex;
    align-items: center;
    gap: 14px;
}

.reading-story-icon {
    width: 65px;
    height: 65px;
    flex: 0 0 65px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid #d2e7f3;
    border-radius: 19px;

    background: #eaf7ff;

    font-size: 35px;
}

.reading-story-top > div span {
    display: block;
    margin-bottom: 3px;

    color: var(--review-purple-dark);

    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.reading-story-top h3 {
    margin: 0;
    color: var(--review-ink);
    font-size: 20px;
    line-height: 1.25;
}

.reading-story-text {
    padding: 19px 20px;

    border: 2px solid #ebe7f2;
    border-radius: 19px;

    background: #ffffff;
}

.reading-story-text p {
    margin: 0 0 13px;

    color: #5d5871;

    font-size: 15px;
    font-weight: 500;
    line-height: 1.7;
}

.reading-story-text p:last-child {
    margin-bottom: 0;
}

.reading-listen-button {
    margin-top: 18px;
}

.reading-question-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.reading-question-top {
    margin-bottom: 15px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.reading-question-top span {
    color: var(--review-purple-dark);

    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.reading-question-top strong {
    padding: 6px 10px;

    border-radius: 999px;

    background: var(--review-purple-soft);
    color: var(--review-purple-dark);

    font-size: 12px;
}

.reading-question-card h3 {
    margin: 0 0 20px;

    color: var(--review-ink);

    font-size: 22px;
    line-height: 1.4;
}

.reading-answer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.reading-answer-button {
    min-height: 58px;
    padding: 11px 14px;

    border: 2px solid #ded9e9;
    border-bottom: 5px solid #c6c0d5;
    border-radius: 17px;

    background: #ffffff;
    color: var(--review-ink);

    font-size: 15px;
    font-weight: 700;

    cursor: pointer;
    transition: 0.18s ease;
}

.reading-answer-button:hover:not(:disabled) {
    transform: translateY(-2px);
    border-color: #b8afe4;
}


/* ==========================================================
   DIALOGUE
========================================================== */

.dialogue-card {
    min-height: 455px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.dialogue-characters {
    width: min(420px, 100%);
    margin-bottom: -7px;

    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.dialogue-character {
    width: 84px;
    height: 84px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid #d9d3eb;
    border-radius: 25px;

    background: #ffffff;

    font-size: 49px;
}

.dialogue-character-one {
    background: #fff0f6;
    border-color: #efd3df;
}

.dialogue-character-two {
    background: #eaf7ff;
    border-color: #cde5f2;
}

.dialogue-bubble-row {
    width: min(570px, 100%);
    margin-bottom: 22px;

    display: flex;
    justify-content: center;
}

.dialogue-bubble {
    width: min(470px, 100%);
    padding: 18px 22px;

    position: relative;

    border: 2px solid #dcd6ed;
    border-bottom: 6px solid #c0b8da;
    border-radius: 23px;

    background:
        linear-gradient(
            180deg,
            #f6f3ff,
            #ffffff
        );
}

.dialogue-bubble > span {
    display: block;
    margin-bottom: 6px;

    color: var(--review-purple-dark);

    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.dialogue-bubble > strong {
    display: block;

    color: var(--review-ink);

    font-size: 22px;
    line-height: 1.4;
}

.dialogue-listen-button {
    width: 40px;
    height: 40px;
    margin: 11px auto 0;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid #d4cee6;
    border-bottom: 4px solid #b8b0cc;
    border-radius: 13px;

    background: #ffffff;

    cursor: pointer;
}

.dialogue-answer-grid {
    width: 100%;

    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.dialogue-answer-button {
    min-height: 72px;
    padding: 12px 13px;

    border: 2px solid #ded9e9;
    border-bottom: 6px solid #c6c0d5;
    border-radius: 18px;

    background: #ffffff;
    color: var(--review-ink);

    font-size: 15px;
    font-weight: 700;
    line-height: 1.35;

    cursor: pointer;
    transition: 0.18s ease;
}

.dialogue-answer-button:hover:not(:disabled) {
    transform: translateY(-3px);
    border-color: #b8afe4;
}


/* ==========================================================
   FINAL MIXED CHALLENGE
========================================================== */

.final-key-icon {
    background:
        linear-gradient(
            145deg,
            #fff2bb,
            #f7d96f
        ) !important;
}

.final-gate-dashboard {
    width: min(620px, 100%);
    margin: 0 auto 20px;

    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 13px;
}

.final-question-counter,
.final-key-status {
    padding: 13px 17px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    border: 2px solid #dfdaeb;
    border-radius: 18px;

    background: rgba(255, 255, 255, 0.88);
}

.final-question-counter span,
.final-key-status span {
    color: var(--review-muted);

    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.final-question-counter strong,
.final-key-status strong {
    color: var(--review-purple-dark);
    font-size: 21px;
}

.mixed-challenge-card {
    min-height: 430px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    border-color: #e7d59c;
    border-bottom-color: #ceb86e;

    background:
        linear-gradient(
            180deg,
            #fffef8,
            #fff9e8
        );
}

.mixed-question-icon {
    width: 92px;
    height: 92px;
    margin-bottom: 14px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid #ead998;
    border-radius: 27px;

    background: #fff4c9;

    font-size: 50px;
}

.mixed-challenge-card h3 {
    max-width: 620px;
    margin: 0 auto 10px;

    color: var(--review-ink);

    font-size: clamp(22px, 3vw, 29px);
    line-height: 1.35;
}

.mixed-listen-button {
    margin: 0 auto 21px;
}

.mixed-answer-grid {
    width: 100%;

    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 13px;
}

.mixed-answer-button {
    min-height: 72px;
    padding: 13px 15px;

    border: 2px solid #dfd8c2;
    border-bottom: 6px solid #c9bea0;
    border-radius: 19px;

    background: #ffffff;
    color: var(--review-ink);

    font-size: 16px;
    font-weight: 700;

    cursor: pointer;
    transition: 0.18s ease;
}

.mixed-answer-button:hover:not(:disabled) {
    transform: translateY(-3px);
    border-color: #c6aa58;

    box-shadow:
        0 10px 19px rgba(119, 91, 25, 0.08);
}


/* ==========================================================
   CORRECT AND WRONG
========================================================== */

.grammar-option-button.correct,
.picture-sentence-button.correct,
.reading-answer-button.correct,
.dialogue-answer-button.correct,
.mixed-answer-button.correct {
    border-color: #8ad4aa;
    border-bottom-color: #58ae7e;

    background:
        linear-gradient(
            180deg,
            #effcf5,
            #e2f7eb
        );

    color: #357d58;

    animation: grammarCorrectPop 0.38s ease;
}

.grammar-option-button.wrong,
.picture-sentence-button.wrong,
.reading-answer-button.wrong,
.dialogue-answer-button.wrong,
.mixed-answer-button.wrong {
    border-color: #efadb4;
    border-bottom-color: #d8737d;

    background:
        linear-gradient(
            180deg,
            #fff6f7,
            #ffe9eb
        );

    color: #bd4d59;

    animation: grammarWrongShake 0.34s ease;
}


/* ==========================================================
   ROUND COMPLETE
========================================================== */

.grammar-review-body .round-complete-card {
    width: min(620px, 100%);
    margin: 25px auto 0;
    padding: 28px 24px 27px;

    border: 2px solid #dcd5f2;
    border-bottom: 8px solid #bfb5e2;
    border-radius: 29px;

    background:
        linear-gradient(
            145deg,
            #f7f4ff,
            #fffefd
        );

    box-shadow:
        0 15px 30px rgba(77, 63, 153, 0.08);

    text-align: center;

    animation: grammarCompleteEntrance 0.46s ease both;
}

.grammar-review-body .round-complete-card[hidden] {
    display: none !important;
}

.grammar-review-body .round-complete-icon {
    width: 78px;
    height: 78px;
    margin: 0 auto 13px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 2px solid #ecd58e;
    border-radius: 24px;

    background:
        linear-gradient(
            145deg,
            #fff6cf,
            #ffe8a2
        );

    font-size: 42px;
}

.grammar-review-body .round-complete-card h3 {
    margin: 5px 0 7px;
    color: var(--review-ink);
    font-size: 24px;
}

.grammar-review-body
.round-complete-card
> p:not(.screen-label) {
    margin: 0 0 20px;

    color: var(--review-muted);

    font-size: 15px;
    line-height: 1.5;
}

.grammar-review-body
.round-complete-card
.main-action-button {
    margin-top: 0;
}

.castle-open-card {
    border-color: #ecd48a !important;
    border-bottom-color: #d1ae45 !important;

    background:
        linear-gradient(
            145deg,
            #fff9df,
            #fffefd
        ) !important;
}

.castle-open-visual {
    margin: 0 auto 12px;

    font-size: 69px;
    line-height: 1.1;

    animation: castleOpenPop 0.7s ease both;
}


/* ==========================================================
   FINISH PAGE
========================================================== */

.grammar-review-body .finish-main-icon {
    border-color: #d7cef3;

    background:
        linear-gradient(
            145deg,
            #eeeaff,
            #d9d2ff
        );

    box-shadow:
        0 15px 30px rgba(79, 65, 158, 0.10);
}

.grammar-finish-page .finish-description {
    max-width: 650px;
}

.result-crowns {
    margin: 21px auto 25px;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
}

.result-crowns span {
    color: #d5cfc0;
    font-size: 41px;
    line-height: 1;
    transition: 0.3s ease;
}

.result-crowns span.earned-crown {
    color: var(--review-gold);

    filter:
        drop-shadow(
            0 5px 6px rgba(175, 126, 26, 0.18)
        );

    animation: grammarCrownEarned 0.48s ease both;
}

.grammar-review-body .finish-statistic {
    border-color: #ddd7eb;
    border-bottom-color: #c6bfd8;

    background:
        linear-gradient(
            180deg,
            #fffefd,
            #f9f7ff
        );
}

.grammar-review-body .finish-statistic strong {
    color: var(--review-purple-dark);
}

.grammar-review-body .finish-badge {
    border-color: #e4cf83;

    background:
        linear-gradient(
            145deg,
            #fff6cf,
            #f4e3a7
        );
}

.grammar-finish-badge .finish-badge-icon {
    background: rgba(255, 255, 255, 0.62);
}

.grammar-review-body .secondary-action-button {
    min-height: 54px;
    padding: 13px 23px 15px;

    border: 2px solid #d8d2e8;
    border-bottom: 6px solid #bdb6cf;
    border-radius: 18px;

    background: #ffffff;
    color: var(--review-purple-dark);

    font-family: inherit;
    font-size: 15px;
    font-weight: 700;

    cursor: pointer;
    transition: 0.18s ease;
}

.grammar-review-body .secondary-action-button:hover {
    transform: translateY(-2px);
    border-color: #aaa0da;
}

.grammar-review-body .finish-button-row {
    margin-top: 27px;

    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 13px;
    flex-wrap: wrap;
}

.grammar-review-body
.finish-button-row
.main-action-button,
.grammar-review-body
.finish-button-row
.secondary-action-button {
    min-width: 190px;
    margin-top: 0;
}


/* ==========================================================
   ACHIEVEMENT
========================================================== */

.grammar-review-body .achievement-toast {
    border-color: #d8d1ef;
    border-bottom-color: #b9afe0;

    background:
        linear-gradient(
            145deg,
            #fffefd,
            #f3efff
        );
}

.grammar-review-body .achievement-toast-icon {
    background:
        linear-gradient(
            145deg,
            #fff3c6,
            #f0d26f
        );
}

.grammar-review-body
.achievement-toast-content span {
    color: var(--review-purple-dark);
}


/* ==========================================================
   EFFECTS
========================================================== */

.grammar-sparkle {
    position: fixed;
    z-index: 120;
    pointer-events: none;

    color: var(--review-gold);

    font-size: 20px;

    animation:
        grammarSparkleBurst
        0.9s
        ease-out
        forwards;
}

.grammar-confetti-piece {
    width: 10px;
    height: 16px;

    position: fixed;
    top: -25px;
    z-index: 125;

    pointer-events: none;

    border-radius: 3px;

    animation:
        grammarConfettiFall
        var(--fall-time, 2.8s)
        linear
        forwards;
}

.grammar-review-body button:focus-visible,
.grammar-review-body a:focus-visible {
    outline:
        4px solid rgba(125, 114, 222, 0.28);

    outline-offset: 3px;
}


/* ==========================================================
   ANIMATIONS
========================================================== */

@keyframes grammarFloatOne {
    0%,
    100% {
        transform:
            translateY(0)
            rotate(-8deg);
    }

    50% {
        transform:
            translateY(-13px)
            rotate(-3deg);
    }
}

@keyframes grammarFloatTwo {
    0%,
    100% {
        transform:
            translateY(0)
            rotate(7deg);
    }

    50% {
        transform:
            translateY(12px)
            rotate(2deg);
    }
}

@keyframes grammarCastleEntrance {
    0% {
        opacity: 0;

        transform:
            translateY(14px)
            scale(0.76)
            rotate(-6deg);
    }

    68% {
        opacity: 1;

        transform:
            translateY(-3px)
            scale(1.07)
            rotate(2deg);
    }

    100% {
        opacity: 1;

        transform:
            translateY(0)
            scale(1)
            rotate(0);
    }
}

@keyframes grammarCorrectPop {
    0% {
        transform: scale(0.92);
    }

    65% {
        transform: scale(1.06);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes grammarWrongShake {
    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-6px);
    }

    50% {
        transform: translateX(6px);
    }

    75% {
        transform: translateX(-3px);
    }
}

@keyframes grammarCompleteEntrance {
    0% {
        opacity: 0;

        transform:
            translateY(18px)
            scale(0.94);
    }

    100% {
        opacity: 1;

        transform:
            translateY(0)
            scale(1);
    }
}

@keyframes castleOpenPop {
    0% {
        opacity: 0;

        transform:
            scale(0.55)
            translateY(20px);
    }

    65% {
        opacity: 1;

        transform:
            scale(1.12)
            translateY(-4px);
    }

    100% {
        opacity: 1;

        transform:
            scale(1)
            translateY(0);
    }
}

@keyframes grammarCrownEarned {
    0% {
        opacity: 0;

        transform:
            scale(0.35)
            rotate(-20deg);
    }

    68% {
        opacity: 1;

        transform:
            scale(1.23)
            rotate(7deg);
    }

    100% {
        opacity: 1;

        transform:
            scale(1)
            rotate(0);
    }
}

@keyframes grammarSparkleBurst {
    0% {
        opacity: 0;

        transform:
            translate(0, 0)
            scale(0.35)
            rotate(0);
    }

    25% {
        opacity: 1;
    }

    100% {
        opacity: 0;

        transform:
            translate(
                var(--sparkle-x, 0),
                var(--sparkle-y, -80px)
            )
            scale(1.15)
            rotate(150deg);
    }
}

@keyframes grammarConfettiFall {
    0% {
        opacity: 1;

        transform:
            translate3d(0, -20px, 0)
            rotate(0);
    }

    100% {
        opacity: 0.9;

        transform:
            translate3d(
                var(--confetti-x, 0),
                110vh,
                0
            )
            rotate(
                var(--confetti-rotate, 720deg)
            );
    }
}


/* ==========================================================
   RESPONSIVE
========================================================== */

@media (max-width: 900px) {
    .reading-layout {
        grid-template-columns: 1fr;
        max-width: 700px;
    }

    .reading-question-card {
        min-height: 380px;
    }
}

@media (max-width: 850px) {
    .grammar-option-grid,
    .dialogue-answer-grid {
        grid-template-columns: 1fr;
    }

    .grammar-challenge-card {
        min-height: auto;
    }
}

@media (max-width: 760px) {
    .castle-score-card {
        padding-left: 16px;
        padding-right: 16px;
    }

    .castle-score-item strong {
        font-size: 21px;
    }

    .castle-key-row {
        padding-left: 5px;
        padding-right: 5px;
    }

    .castle-key-slot {
        width: 37px;
        height: 37px;
        flex-basis: 37px;
    }

    .castle-key-line {
        min-width: 10px;
        margin-left: 2px;
        margin-right: 2px;
    }
}

@media (max-width: 620px) {
    .skill-power-row {
        gap: 8px;
    }

    .skill-power-item {
        min-height: 101px;
        padding-left: 6px;
        padding-right: 6px;
    }

    .skill-power-item span {
        font-size: 29px;
    }

    .skill-power-item strong {
        font-size: 12px;
    }

    .castle-score-card {
        padding: 17px 9px;
    }

    .castle-score-item span {
        font-size: 23px;
    }

    .castle-score-item strong {
        font-size: 18px;
    }

    .castle-score-item small {
        font-size: 10px;
    }

    .castle-score-divider {
        height: 46px;
    }

    .castle-gate-card {
        padding: 19px 16px;
        gap: 14px;
    }

    .castle-gate-visual {
        width: 68px;
        height: 68px;
        flex-basis: 68px;
        font-size: 39px;
    }

    .castle-gate-card h3 {
        font-size: 16px;
    }

    .castle-gate-card p {
        font-size: 13px;
    }

    .grammar-challenge-card {
        padding: 22px 14px 25px;
        border-radius: 25px;
    }

    .builder-picture {
        width: 96px;
        height: 82px;
        font-size: 37px;
    }

    .sentence-word-button,
    .built-word-button {
        padding-left: 11px;
        padding-right: 11px;
        font-size: 13px;
    }

    .grammar-switch-icon {
        width: 86px;
        height: 86px;
        font-size: 46px;
    }

    .picture-scene {
        min-height: 145px;
    }

    .reading-story-card,
    .reading-question-card {
        padding: 21px 15px 24px;
    }

    .reading-story-text {
        padding: 15px;
    }

    .reading-story-text p {
        font-size: 14px;
    }

    .dialogue-character {
        width: 68px;
        height: 68px;
        font-size: 40px;
    }

    .dialogue-bubble {
        padding: 16px 14px;
    }

    .dialogue-bubble > strong {
        font-size: 18px;
    }

    .final-gate-dashboard {
        gap: 8px;
    }

    .final-question-counter,
    .final-key-status {
        padding: 12px 10px;
    }

    .final-question-counter span,
    .final-key-status span {
        font-size: 9px;
    }

    .final-question-counter strong,
    .final-key-status strong {
        font-size: 17px;
    }

    .mixed-answer-grid {
        grid-template-columns: 1fr;
        gap: 9px;
    }

    .mixed-answer-button {
        min-height: 61px;
    }

    .result-crowns span {
        font-size: 33px;
    }

    .grammar-review-body .finish-button-row {
        flex-direction: column;
        align-items: stretch;
    }

    .grammar-review-body
    .finish-button-row
    .main-action-button,
    .grammar-review-body
    .finish-button-row
    .secondary-action-button {
        width: 100%;
    }
}

@media (max-width: 430px) {
    .grammar-intro-page .story-book-icon {
        width: 99px;
        height: 99px;
        font-size: 52px;
    }

    .castle-key-row {
        overflow-x: auto;
        justify-content: flex-start;
    }

    .castle-key-slot {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
        font-size: 12px;
    }

    .castle-key-line {
        min-width: 12px;
    }

    .sentence-build-zone {
        min-height: 80px;
        padding-left: 8px;
        padding-right: 8px;
    }

    .sentence-word-bank {
        padding-left: 7px;
        padding-right: 7px;
    }

    .builder-control-row {
        width: 100%;
        flex-direction: column;
    }

    .small-secondary-button,
    .small-check-button {
        width: 100%;
    }

    .reading-story-top {
        align-items: flex-start;
    }

    .reading-story-icon {
        width: 55px;
        height: 55px;
        flex-basis: 55px;
        font-size: 30px;
    }

    .reading-story-top h3 {
        font-size: 17px;
    }

    .dialogue-characters {
        padding-left: 5px;
        padding-right: 5px;
    }

    .mixed-question-icon {
        width: 86px;
        height: 86px;
        font-size: 47px;
    }

    .grammar-review-body .round-complete-card {
        padding-left: 16px;
        padding-right: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .grammar-review-body *,
    .grammar-review-body *::before,
    .grammar-review-body *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* =========================================================
   GRADE 1 COURSE COMPLETION
========================================================= */

.grammar-review-body .grade-complete-icon {
    animation:
        gradeCompleteFloat
        2.4s
        ease-in-out
        infinite;
}

.grammar-review-body .course-complete-note {
    width: min(100%, 590px);

    margin:
        -6px
        auto
        22px;

    padding:
        13px
        20px;

    border:
        1px solid
        rgba(125, 92, 205, 0.16);

    border-radius:
        999px;

    background:
        linear-gradient(
            135deg,
            #f6f0ff,
            #fff8dc
        );

    color:
        #7656b7;

    font-size:
        15px;

    font-weight:
        900;

    line-height:
        1.4;

    text-align:
        center;

    box-shadow:
        0 10px 24px
        rgba(103, 76, 169, 0.1);
}

@keyframes gradeCompleteFloat {

    0%,
    100% {
        transform:
            translateY(0)
            rotate(-3deg);
    }

    50% {
        transform:
            translateY(-8px)
            rotate(3deg);
    }
}