/* =====================================================
   RESET
===================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


/* =====================================================
   THEME VARIABLES — Daily Routines green
===================================================== */

:root {
    --dr-green: #079d73;
    --dr-green-dark: #068a64;
    --dr-green-soft: #eaf8f4;
    --dr-green-border: #dcefe9;

    --bg: #f6fbf9;
    --card: #ffffff;
    --card2: #f0f9f5;
    --text: #202636;
    --muted: #687184;
    --soft: #8a938c;

    --border: #dcefe9;

    --accent: #079d73;
    --accent2: #0bb881;

    --success: #059669;
    --danger: #e11d48;

    --shadow: 0 12px 32px rgba(7, 157, 115, 0.1);
    --dr-radius: 18px;
}


/* =====================================================
   DARK MODE VARIABLES
===================================================== */

body.dark-mode {
    --dr-green-soft: #14352c;
    --dr-green-border: #24463b;

    --bg: #0e1311;
    --card: #17201c;
    --card2: #1e2a25;
    --text: #eef5f1;
    --muted: #9aaba3;
    --soft: #7a8f85;

    --border: #24463b;

    --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}


/* =====================================================
   GLOBAL
===================================================== */

html {
    scroll-behavior: smooth;
}


body {
    min-height: 100vh;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: background 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body.dark-mode {
    background: var(--bg);
}


button {
    font: inherit;
}


/* =====================================================
   HEADER
===================================================== */

.game-header {

    height: 76px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--dr-green-border);
    position: sticky;
    top: 0;
    z-index: 40;
}

body.dark-mode .game-header {
    background: rgba(14, 19, 17, 0.92);
}

.back-button,
.small-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--dr-green-border);
    border-radius: 12px;
    background: var(--card);
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.back-button {
    padding: 10px 14px;
    font-size: 13px;
}

.small-back {
    height: 38px;
    padding: 0 13px;
    font-size: 12px;
}

.back-button:hover,
.small-back:hover {
    border-color: var(--dr-green);
    box-shadow: 0 6px 16px rgba(7, 157, 115, 0.12);
    transform: translateY(-1px);
}


/* =====================================================
   GAME TITLE
===================================================== */

.game-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.game-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: var(--dr-green);
    color: #fff;
    font-size: 20px;
}

.game-title-text h1 {
    margin: 0;
    font-size: 16px;
    font-weight: 800;
    line-height: 1.1;
}

.game-title-text p {
    margin: 2px 0 0;
    color: var(--muted);
    font-size: 11px;
    font-weight: 600;
}


/* =====================================================
   HEADER RIGHT
===================================================== */

.header-right {

    justify-self: end;

    display: flex;

    gap: 9px;

    align-items: center;
}


.xp-box,
.theme-toggle {

    height: 42px;

    border:
        1px solid var(--border);

    border-radius: 12px;

    background:
        var(--card);

    color:
        var(--text);
}


.xp-box {

    min-width: 70px;

    padding: 0 11px;

    display: flex;

    gap: 7px;

    align-items: center;

    justify-content: center;
}


.xp-box span {

    font-size: 8px;

    letter-spacing: 1px;

    color:
        var(--soft);
}


.xp-box strong {
    font-size: 16px;
}


.theme-toggle {

    width: 42px;

    display: grid;

    place-items: center;

    font-size: 18px;

    cursor: pointer;

    transition: 0.2s;

    user-select: none;

    -webkit-tap-highlight-color:
        transparent;
}


.theme-toggle:hover {

    transform:
        translateY(-2px)
        rotate(8deg);
}


.theme-toggle:focus-visible {

    outline:
        3px solid
        rgba(7, 157, 115, 0.30);

    outline-offset:
        2px;
}


/* =====================================================
   SCREENS
===================================================== */

.screen {

    min-height:
        calc(100vh - 76px);

    display: flex;

    align-items: center;

    justify-content: center;

    padding: 45px 20px;
}


.hidden {
    display: none !important;
}


/* =====================================================
   MAIN CARDS
===================================================== */

.home-card,
.menu-card,
.game-card,
.result-card {
    width: 100%;
    max-width: 720px;
    padding: 40px 32px;
    border: 1px solid var(--dr-green-border);
    background: var(--card);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.home-card {
    text-align: center;
}

/* =====================================================
   EYEBROW
===================================================== */

.eyebrow {
    display: inline-block;
    color: var(--dr-green);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 1.4px;
}

/* =====================================================
   HOME
===================================================== */

.home-card h2,
.menu-card h2 {
    margin: 10px 0 12px;
    font-size: clamp(28px, 5vw, 36px);
    letter-spacing: -0.8px;
}

.lead {
    max-width: 420px;
    margin: 0 auto 18px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.65;
}

.lead strong {
    color: var(--dr-green);
}


/* =====================================================
   PATH
===================================================== */

.path {

    display: flex;

    align-items: center;

    justify-content: center;

    max-width: 780px;

    margin: 30px auto 34px;
}


.path-step {

    position: relative;

    display: flex;

    flex-direction: column;

    align-items: center;

    min-width: 145px;

    transition:
        opacity 0.2s ease,
        transform 0.2s ease;
}


.path-step > span {

    width: 34px;
    height: 34px;

    display: grid;

    place-items: center;

    border-radius: 50%;

    background:
        linear-gradient(
            135deg,
            var(--accent),
            var(--accent2)
        );

    color:
        #ffffff;

    font-weight: 800;
}


.path-step b {

    margin-top: 9px;

    font-size: 12px;
}


.path-step small {

    margin-top: 4px;

    color:
        var(--muted);

    font-size: 10px;
}


.path-step.locked {

    opacity: 0.45;
}


.path-step.locked > span {

    background:
        var(--card2);

    color:
        var(--muted);

    border:
        1px solid var(--border);
}


.path-step.completed {

    opacity: 1;
}


.path-step.completed > span {

    background:
        linear-gradient(
            135deg,
            #22c55e,
            #4ade80
        );

    box-shadow:
        0 6px 18px
        rgba(34, 197, 94, 0.20);
}


.path-line {

    height: 2px;

    flex: 1;

    max-width: 100px;

    background:
        linear-gradient(
            90deg,
            var(--accent),
            rgba(7, 157, 115, 0.15)
        );
}


.path-line.completed {

    background:
        linear-gradient(
            90deg,
            #22c55e,
            #4ade80
        );
}


/* =====================================================
   GROUP CARDS
===================================================== */

.group-grid {

    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 14px;

    text-align: left;
}


.group-card {

    position: relative;

    min-height: 265px;

    padding: 24px;

    border:
        1px solid var(--border);

    border-radius: 22px;

    background:
        var(--card2);

    color:
        var(--text);

    text-align: left;

    cursor: pointer;

    transition: 0.22s;

    display: flex;

    flex-direction: column;
}


.group-card:hover:not(:disabled) {

    transform:
        translateY(-5px);

    border-color:
        rgba(7, 157, 115, 0.35);

    box-shadow:
        0 18px 40px
        rgba(7, 157, 115, 0.12);
}


.group-number {

    font-size: 9px;

    letter-spacing: 2px;

    color:
        var(--accent);

    font-weight: 800;
}


.group-icon {

    width: 52px;
    height: 52px;

    display: grid;

    place-items: center;

    border-radius: 15px;

    background:
        rgba(7, 157, 115, 0.12);

    font-size: 25px;

    margin: 14px 0;
}


.group-card h3 {
    font-size: 20px;
}


.group-card p {

    color:
        var(--muted);

    font-size: 12px;

    line-height: 1.55;

    margin-top: 8px;
}


.group-meta {

    display: flex;

    gap: 6px;

    flex-wrap: wrap;

    margin-top: 14px;
}


.group-meta span {

    padding: 5px 8px;

    border-radius: 8px;

    background:
        var(--card);

    border:
        1px solid var(--border);

    font-size: 9px;

    font-weight: 700;

    color:
        var(--muted);
}


.group-action {

    margin-top: auto;

    padding-top: 20px;

    font-size: 10px;

    letter-spacing: 1px;
}


.locked-card {

    opacity: 0.62;

    cursor: not-allowed;
}


.lock-note {

    margin-top: 14px;

    color:
        var(--muted);

    font-size: 9px;

    font-weight: 800;

    letter-spacing: 0.5px;
}


/* =====================================================
   GROUP COMPLETED
===================================================== */

.group-card.completed {

    border-color:
        rgba(34, 197, 94, 0.38);

    background:
        linear-gradient(
            135deg,
            rgba(34, 197, 94, 0.07),
            var(--card2)
        );
}


.group-card.completed::after {

    content:
        "✓";

    position:
        absolute;

    top:
        10px;

    right:
        11px;

    padding:
        4px 7px;

    border-radius:
        999px;

    background:
        rgba(34, 197, 94, 0.12);

    color:
        #16a34a;

    font-size:
        8px;

    font-weight:
        900;

    letter-spacing:
        0.7px;
}


body.dark-mode
.group-card.completed {

    border-color:
        rgba(34, 197, 94, 0.40);

    background:
        linear-gradient(
            135deg,
            rgba(34, 197, 94, 0.08),
            var(--card2)
        );
}


body.dark-mode
.group-card.completed::after {

    background:
        rgba(34, 197, 94, 0.14);

    color:
        #86efac;
}


/* =====================================================
   FINAL MIXED COMPLETED
===================================================== */

.group-card.final-completed {

    border-color:
        rgba(34, 197, 94, 0.40);

    background:
        linear-gradient(
            135deg,
            rgba(34, 197, 94, 0.09),
            var(--card2)
        );
}


.group-card.final-completed::after {

    content:
        "✓";

    position:
        absolute;

    top:
        12px;

    right:
        12px;

    padding:
        5px 8px;

    border-radius:
        999px;

    background:
        rgba(34, 197, 94, 0.13);

    color:
        #16a34a;

    font-size:
        8px;

    font-weight:
        900;

    letter-spacing:
        0.8px;
}


body.dark-mode
.group-card.final-completed::after {

    background:
        rgba(34, 197, 94, 0.16);

    color:
        #86efac;
}


/* =====================================================
   MORE PRACTICE
===================================================== */

.future-section {

    width:
        100%;

    max-width:
        920px;

    margin:
        28px auto 0;

    padding:
        26px;

    border:
        1px solid var(--border);

    border-radius:
        22px;

    background:
        var(--card);

    box-shadow:
        0 15px 45px
        rgba(20, 25, 45, 0.06);
}


.future-section-header {

    display:
        flex;

    align-items:
        end;

    justify-content:
        space-between;

    gap:
        20px;

    margin-bottom:
        16px;
}


.future-section-header h3 {

    margin-top:
        5px;

    font-size:
        20px;

    color:
        var(--text);
}


.future-section-header p {

    margin-top:
        5px;

    color:
        var(--muted);

    font-size:
        11px;

    line-height:
        1.5;
}


.future-grid {

    display:
        grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap:
        12px;
}


.future-card {

    min-height:
        145px;

    padding:
        18px;

    display:
        flex;

    flex-direction:
        column;

    justify-content:
        space-between;

    border:
        1px solid var(--border);

    border-radius:
        16px;

    background:
        var(--card2);

    color:
        var(--text);

    opacity:
        0.78;

    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease;
}


.future-card-icon {

    width:
        42px;

    height:
        42px;

    display:
        grid;

    place-items:
        center;

    border-radius:
        12px;

    background:
        rgba(7, 157, 115, 0.11);

    font-size:
        22px;
}


.future-card h4 {

    margin-top:
        12px;

    font-size:
        15px;

    color:
        var(--text);
}


.future-card p {

    margin-top:
        5px;

    color:
        var(--muted);

    font-size:
        9px;

    line-height:
        1.4;
}


.future-card span {

    display:
        inline-block;

    width:
        fit-content;

    margin-top:
        9px;

    padding:
        4px 7px;

    border-radius:
        999px;

    background:
        rgba(7, 157, 115, 0.10);

    color:
        var(--accent);

    font-size:
        7px;

    font-weight:
        900;

    letter-spacing:
        0.8px;
}


body.dark-mode .future-section {

    box-shadow:
        0 20px 55px
        rgba(0, 0, 0, 0.18);
}


body.dark-mode .future-card {

    background:
        var(--card2);
}


/* =====================================================
   PRACTICE MENU
===================================================== */

.menu-card {

    max-width:
        760px;
}


.menu-card > .small-back {

    margin-bottom:
        24px;
}


.menu-card h2 {

    font-size:
        40px;
}


.menu-card > p {

    color:
        var(--muted);

    margin-top:
        8px;

    line-height:
        1.6;
}


.practice-list {

    display:
        grid;

    gap:
        10px;

    margin-top:
        28px;
}


.practice-card {

    position:
        relative;

    display:
        grid;

    grid-template-columns:
        45px 50px 1fr 25px;

    align-items:
        center;

    gap:
        12px;

    padding:
        16px;

    border:
        1px solid var(--border);

    border-radius:
        16px;

    background:
        var(--card2);

    color:
        var(--text);

    text-align:
        left;

    cursor:
        pointer;

    transition:
        0.2s;
}


.practice-card:hover {

    transform:
        translateX(4px);

    border-color:
        rgba(7, 157, 115, 0.35);
}


.practice-card.completed {

    border-color:
        rgba(34, 197, 94, 0.35);

    background:
        linear-gradient(
            135deg,
            rgba(34, 197, 94, 0.07),
            var(--card2)
        );
}


.practice-card.completed::after {

    content:
        "✓";

    position:
        absolute;

    top:
        10px;

    right:
        12px;

    padding:
        4px 7px;

    border-radius:
        999px;

    background:
        rgba(34, 197, 94, 0.12);

    color:
        #16a34a;

    font-size:
        8px;

    font-weight:
        900;

    letter-spacing:
        0.8px;
}


body.dark-mode
.practice-card.completed {

    border-color:
        rgba(34, 197, 94, 0.35);

    background:
        linear-gradient(
            135deg,
            rgba(34, 197, 94, 0.08),
            var(--card2)
        );
}


body.dark-mode
.practice-card.completed::after {

    background:
        rgba(34, 197, 94, 0.14);

    color:
        #86efac;
}


.practice-num {

    font-size:
        10px;

    color:
        var(--soft);

    font-weight:
        800;
}


.practice-icon {

    width:
        42px;

    height:
        42px;

    display:
        grid;

    place-items:
        center;

    border-radius:
        12px;

    background:
        rgba(7, 157, 115, 0.11);

    font-size:
        20px;
}


.practice-card b {

    font-size:
        13px;
}


.practice-card small {

    display:
        block;

    color:
        var(--muted);

    margin-top:
        4px;

    font-size:
        10px;
}


.practice-card i {

    font-style:
        normal;

    color:
        var(--accent);

    font-weight:
        900;
}


.menu-progress {

    margin-top:
        22px;

    padding:
        14px 16px;

    border:
        1px solid var(--border);

    border-radius:
        14px;

    display:
        flex;

    justify-content:
        space-between;

    font-size:
        9px;

    color:
        var(--soft);

    letter-spacing:
        1px;
}


.menu-progress strong {

    color:
        var(--text);

    letter-spacing:
        0;
}


/* =====================================================
   GAME
===================================================== */

.game-card {
    max-width: 880px;
}


.game-top {

    display:
        grid;

    grid-template-columns:
        1fr auto 1fr;

    align-items:
        center;

    gap:
        12px;
}


.game-top-title {

    text-align:
        center;
}


.game-top-title h2 {

    margin-top:
        7px;

    font-size:
        28px;
}


.score-pill {

    justify-self:
        end;

    padding:
        9px 13px;

    border:
        1px solid var(--border);

    border-radius:
        12px;

    background:
        var(--card2);

    font-size:
        12px;
}


.progress-wrap {
    margin-top: 26px;
}


.progress-label {

    display:
        flex;

    justify-content:
        space-between;

    font-size:
        9px;

    font-weight:
        800;

    color:
        var(--soft);

    letter-spacing:
        1px;
}


.progress-bar {

    height:
        7px;

    background:
        #e5e7ef;

    border-radius:
        10px;

    overflow:
        hidden;

    margin-top:
        8px;
}


body.dark-mode .progress-bar {
    background: #20263a;
}


.progress-bar > div {

    height:
        100%;

    width:
        0;

    background:
        linear-gradient(
            90deg,
            var(--accent),
            var(--accent2)
        );

    border-radius:
        10px;

    transition:
        width 0.25s;
}


.question-area {

    min-height:
        330px;

    margin-top:
        30px;

    display:
        flex;

    flex-direction:
        column;

    align-items:
        center;

    justify-content:
        center;

    text-align:
        center;
}


.prompt {

    font-size:
        12px;

    color:
        var(--muted);

    line-height:
        1.6;
}


.target-sentence {

    margin-top:
        12px;

    font-size:
        29px;

    font-weight:
        800;

    letter-spacing:
        -0.5px;
}


/* =====================================================
   BUILT SENTENCE
===================================================== */

.built-sentence {

    min-height:
        58px;

    width:
        100%;

    padding:
        12px;

    border:
        1px dashed
        rgba(7, 157, 115, 0.35);

    border-radius:
        16px;

    background:
        #f8f7ff;

    display:
        flex;

    flex-wrap:
        wrap;

    align-items:
        center;

    justify-content:
        center;

    gap:
        8px;
}


body.dark-mode .built-sentence {

    background:
        rgba(7, 157, 115, 0.045);
}


.empty-note {

    color:
        var(--soft);

    font-size:
        11px;
}


/* =====================================================
   WORD BANK
===================================================== */

.word-bank {

    width:
        100%;

    display:
        flex;

    flex-wrap:
        wrap;

    gap:
        10px;

    justify-content:
        center;

    margin-top:
        30px;
}


.word-chip {

    padding:
        13px 17px;

    border-radius:
        13px;

    font-size:
        14px;

    font-weight:
        700;

    cursor:
        pointer;

    transition:
        background 0.18s ease,
        border-color 0.18s ease,
        transform 0.18s ease,
        box-shadow 0.18s ease;

    border:
        1px solid #b9c1d2;

    background:
        #ffffff;

    color:
        #172033;

    box-shadow:
        0 5px 14px
        rgba(15, 23, 42, 0.06);
}


body.dark-mode .word-chip {

    background:
        #191e31;

    border-color:
        rgba(7, 157, 115, 0.35);

    color:
        #ffffff;

    box-shadow:
        none;
}


.word-chip:hover {

    transform:
        translateY(-2px);

    border-color:
        #079d73;
}


body.light-mode .word-chip:hover {

    background:
        #eef2ff;

    color:
        #312e81;
}


body.dark-mode .word-chip:hover {

    background:
        #222942;
}


.word-chip.used {

    opacity:
        0.28;

    pointer-events:
        none;
}


.built-chip {

    padding:
        10px 13px;

    border-radius:
        10px;

    background:
        #eef2ff;

    border:
        1px solid #b9b3ff;

    color:
        #312e81;

    font-size:
        13px;

    font-weight:
        700;

    cursor:
        pointer;
}


body.dark-mode .built-chip {

    background:
        rgba(7, 157, 115, 0.16);

    border-color:
        rgba(7, 157, 115, 0.35);

    color:
        #ffffff;
}


/* =====================================================
   ANSWER GRID
===================================================== */

.answer-grid {

    width:
        min(100%, 700px);

    margin:
        26px auto 0;

    display:
        grid;

    grid-template-columns:
        repeat(
            2,
            minmax(
                0,
                1fr
            )
        );

    gap:
        16px;
}


.answer-option {

    width:
        100%;

    min-height:
        72px;

    padding:
        16px 20px;

    display:
        flex;

    align-items:
        center;

    justify-content:
        center;

    text-align:
        center;

    border:
        2px solid #b9c1d2;

    border-radius:
        16px;

    background:
        #ffffff;

    color:
        #172033;

    font-size:
        16px;

    font-weight:
        800;

    line-height:
        1.35;

    cursor:
        pointer;

    transition:
        background 0.18s ease,
        border-color 0.18s ease,
        transform 0.18s ease,
        box-shadow 0.18s ease;

    touch-action:
        manipulation;

    -webkit-tap-highlight-color:
        transparent;
}


body.dark-mode .answer-option {

    background:
        #191e31;

    border-color:
        rgba(255, 255, 255, 0.14);

    color:
        #ffffff;

    box-shadow:
        0 5px 16px
        rgba(0, 0, 0, 0.12);
}


.answer-option:hover {

    transform:
        translateY(-2px);

    background:
        #f7f8ff;

    border-color:
        #079d73;

    box-shadow:
        0 7px 18px
        rgba(7, 157, 115, 0.10);
}


body.dark-mode .answer-option:hover {

    background:
        #222942;

    border-color:
        #8b7cff;
}


.answer-option:focus-visible {

    outline:
        3px solid
        rgba(7, 157, 115, 0.28);

    outline-offset:
        3px;
}


/* =====================================================
   CORRECT / INCORRECT
===================================================== */

.answer-option.correct {

    background:
        #dcfce7 !important;

    border-color:
        #22c55e !important;

    color:
        #166534 !important;
}


.answer-option.wrong {

    background:
        #fee2e2 !important;

    border-color:
        #ef4444 !important;

    color:
        #991b1b !important;
}


body.dark-mode .answer-option.correct {

    background:
        rgba(34, 197, 94, 0.14) !important;

    border-color:
        #22c55e !important;

    color:
        #86efac !important;
}


body.dark-mode .answer-option.wrong {

    background:
        rgba(239, 68, 68, 0.14) !important;

    border-color:
        #ef4444 !important;

    color:
        #fca5a5 !important;
}


/* =====================================================
   SHORT ANSWER SITUATION
===================================================== */

.context-box {

    width:
        100%;

    max-width:
        760px;

    margin:
        18px auto 0;

    padding:
        16px 20px;

    display:
        flex;

    flex-direction:
        column;

    align-items:
        center;

    justify-content:
        center;

    gap:
        6px;

    border:
        1px solid
        rgba(7, 157, 115, 0.22);

    border-radius:
        14px;

    background:
        rgba(7, 157, 115, 0.07);

    color:
        var(--text);

    text-align:
        center;
}


.context-box strong {

    font-size:
        10px;

    letter-spacing:
        1.5px;

    text-transform:
        uppercase;

    color:
        var(--accent);
}


.context-box span {

    font-size:
        17px;

    font-weight:
        700;

    line-height:
        1.5;

    color:
        var(--text);
}


body.light-mode .context-box {

    background:
        #f3f1ff;

    border-color:
        #cfc7ff;
}


body.light-mode .context-box strong {
    color: #6048d8;
}


body.light-mode .context-box span {
    color: #1f2937;
}


/* =====================================================
   FEEDBACK
===================================================== */

.feedback {

    min-height:
        30px;

    text-align:
        center;

    margin-top:
        8px;

    font-size:
        12px;

    font-weight:
        700;
}


.feedback.good {
    color:
        var(--success);
}


.feedback.bad {
    color:
        var(--danger);
}


/* =====================================================
   BUTTONS
===================================================== */

.main-button,
.secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 50px;
    padding: 0 28px;
    border-radius: 14px;
    font-size: 14px;
    font-weight: 850;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.main-button {
    background: linear-gradient(135deg, #0bb881, #079d73);
    color: #ffffff;
    box-shadow: 0 10px 24px rgba(7, 157, 115, 0.28);
}

.secondary-button {
    background: var(--card);
    border-color: var(--dr-green-border);
    color: var(--muted);
}

.main-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(7, 157, 115, 0.34);
    filter: brightness(1.03);
}

.secondary-button:hover {
    border-color: var(--dr-green);
    color: var(--dr-green-dark);
    background: var(--dr-green-soft);
    transform: translateY(-1px);
}

/* =====================================================
   RESULT
===================================================== */

.result-card {
    text-align: center;
    max-width: 720px;
}

.result-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 10px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: var(--dr-green-soft);
    font-size: 28px;
}

.result-card h2 {
    margin: 8px 0 18px;
    font-size: 30px;
}

.result-card > p {
    margin: 0 auto 18px;
    color: var(--muted);
    line-height: 1.6;
}


.result-stats {

    display:
        grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap:
        10px;

    margin:
        28px 0;
}


.result-stats div {

    padding:
        16px;

    border:
        1px solid var(--border);

    background:
        var(--card2);

    border-radius:
        14px;
}


.result-stats span {

    display:
        block;

    font-size:
        8px;

    letter-spacing:
        1px;

    color:
        var(--soft);
}


.result-stats strong {

    display:
        block;

    margin-top:
        7px;

    font-size:
        22px;
}


.result-actions {

    display:
        flex;

    justify-content:
        center;

    gap:
        10px;
}


/* =====================================================
   TOAST
===================================================== */

.toast {

    position:
        fixed;

    bottom:
        22px;

    left:
        50%;

    transform:
        translate(-50%, 20px);

    padding:
        11px 15px;

    border-radius:
        11px;

    background:
        #111827;

    color:
        #ffffff;

    font-size:
        11px;

    font-weight:
        700;

    opacity:
        0;

    pointer-events:
        none;

    transition:
        0.25s;

    z-index:
        999;
}


.toast.show {

    opacity:
        1;

    transform:
        translate(-50%, 0);
}


/* =====================================================
   MEDIUM DESKTOP
===================================================== */

@media (min-width: 801px) and (max-width: 1100px) {

    .answer-grid {

        width:
            min(100%, 640px);

        gap:
            14px;
    }


    .answer-option {

        min-height:
            68px;

        padding:
            15px 18px;

        font-size:
            15px;
    }

}


/* =====================================================
   MOBILE
===================================================== */

@media (max-width: 800px) {

    .group-grid {
        grid-template-columns: 1fr;
    }


    .home-card,
    .menu-card,
    .game-card,
    .result-card {

        padding:
            28px 20px;
    }


    .path-step {
        min-width: 90px;
    }


    .path-step b {
        font-size: 10px;
    }


    .path-line {
        max-width: 45px;
    }


    .game-header {

        grid-template-columns:
            auto 1fr auto;

        padding:
            0 12px;
    }


    .game-title-text {
        display: none;
    }


    .game-title .game-icon {

        width: 42px;

        height: 42px;
    }


    .back-button {
        padding: 0 12px;
    }


    .game-top {

        grid-template-columns:
            1fr auto;
    }


    .game-top-title {

        grid-column:
            1 / -1;

        grid-row:
            1;

        text-align:
            left;
    }


    .game-top > .small-back {
        grid-row: 2;
    }


    .score-pill {
        grid-row: 2;
    }


    .question-area {
        min-height: 360px;
    }


    .answer-grid {

        width:
            100%;

        max-width:
            520px;

        grid-template-columns:
            1fr;

        gap:
            14px;

        margin:
            22px auto 0;

        padding:
            0 4px;
    }


    .answer-option {

        width:
            100%;

        min-height:
            66px;

        padding:
            16px 18px;

        font-size:
            15px;

        line-height:
            1.4;

        border-radius:
            15px;
    }


    .answer-option:hover {
        transform: none;
    }


    .answer-option:active {
        transform:
            scale(0.985);
    }


    .context-box {
        padding:
            14px 15px;
    }


    .context-box strong {
        font-size: 9px;
    }


    .context-box span {
        font-size: 15px;
    }


    .target-sentence {
        font-size: 23px;
    }


    .menu-progress {

        flex-direction:
            column;

        gap:
            7px;
    }


    .result-actions {

        flex-direction:
            column;
    }


    .result-actions button {
        width: 100%;
    }


    .future-section {

        padding:
            20px 16px;
    }


    .future-grid {

        grid-template-columns:
            repeat(2, 1fr);

        gap:
            10px;
    }


    .practice-card.completed::after,
    .group-card.completed::after {

        top:
            7px;

        right:
            9px;

        font-size:
            7px;

        padding:
            3px 6px;
    }

}


/* =====================================================
   SMALL PHONES
===================================================== */

@media (max-width: 500px) {

    .screen {
        padding: 24px 10px;
    }


    .home-card h2,
    .menu-card h2 {
        font-size: 34px;
    }


    .path {
        margin:
            25px auto;
    }


    .path-step small {
        font-size:
            8px;
    }


    .path-step b {
        font-size:
            9px;
    }


    .practice-card {

        grid-template-columns:
            30px 42px 1fr 15px;

        padding:
            12px;
    }


    .practice-num {
        font-size:
            9px;
    }


    .practice-icon {

        width:
            38px;

        height:
            38px;
    }


    .practice-card b {
        font-size:
            12px;
    }


    .word-chip {

        padding:
            11px 13px;

        font-size:
            12px;
    }


    .built-chip {

        font-size:
            11px;

        padding:
            8px 10px;
    }


    .game-title .game-icon {

        width:
            36px;

        height:
            36px;

        font-size:
            18px;
    }


    .header-right {
        gap:
            5px;
    }


    .xp-box {

        min-width:
            58px;

        height:
            36px;
    }


    .theme-toggle {

        width:
            36px;

        height:
            36px;
    }


    .answer-grid {

        max-width:
            520px;

        gap:
            12px;

        margin-top:
            20px;

        padding:
            0 2px;
    }


    .answer-option {

        min-height:
            64px;

        padding:
            15px 16px;

        font-size:
            14px;

        border-radius:
            14px;
    }


    .future-section-header {
        display: block;
    }


    .future-section-header p {
        margin-top: 6px;
    }


    .future-grid {

        grid-template-columns:
            1fr 1fr;

        gap:
            8px;
    }


    .future-card {

        min-height:
            130px;

        padding:
            13px;
    }


    .future-card-icon {

        width:
            38px;

        height:
            38px;

        font-size:
            20px;
    }


    .future-card h4 {
        font-size:
            12px;
    }


    .future-card p {
        font-size:
            8px;
    }


    .future-card span {

        font-size:
            6.5px;

        padding:
            3px 6px;
    }

}


/* =====================================================
   VERY SMALL PHONES
===================================================== */

@media (max-width: 420px) {

    .answer-grid {

        max-width:
            100%;

        gap:
            12px;

        margin-top:
            20px;

        padding:
            0 2px;
    }


    .answer-option {

        min-height:
            64px;

        padding:
            15px 16px;

        font-size:
            14px;

        border-radius:
            14px;
    }

}


@media (max-width: 360px) {

    .home-card,
    .menu-card,
    .game-card,
    .result-card {

        padding:
            22px 13px;
    }


    .game-header {
        padding:
            0 7px;
    }


    .back-button {

        padding:
            0 8px;

        font-size:
            11px;
    }


    .xp-box {
        display: none;
    }


    .game-title .game-icon {

        width:
            34px;

        height:
            34px;
    }


    .target-sentence {
        font-size:
            20px;
    }


    .word-chip {

        padding:
            10px 11px;

        font-size:
            11px;
    }


    .answer-grid {

        gap:
            10px;

        margin-top:
            18px;
    }


    .answer-option {

        min-height:
            60px;

        padding:
            14px;

        font-size:
            13.5px;
    }


    .future-grid {

        grid-template-columns:
            1fr;
    }


    .future-card {

        min-height:
            115px;
    }

}
/* =====================================================
   FUTURE MODULES — ACCESSIBILITY
===================================================== */


/* -----------------------------------------------------
   SCREEN READER ONLY
----------------------------------------------------- */

.sr-only {

    position: absolute;

    width: 1px;
    height: 1px;

    padding: 0;
    margin: -1px;

    overflow: hidden;

    clip: rect(0, 0, 0, 0);

    clip-path:
        inset(50%);

    white-space: nowrap;

    border: 0;
}


/* -----------------------------------------------------
   DISABLED FUTURE CARDS
----------------------------------------------------- */

.future-card.disabled {

    cursor:
        not-allowed;

    user-select:
        none;

    opacity:
        0.72;
}


/* -----------------------------------------------------
   DISABLED HOVER
----------------------------------------------------- */

.future-card.disabled:hover {

    transform:
        none;

    border-color:
        var(--border);

    box-shadow:
        none;
}


/* -----------------------------------------------------
   DISABLED FOCUS
----------------------------------------------------- */

/*
   These cards use tabindex="-1":
   they are removed from normal Tab navigation,
   but JavaScript can still focus them explicitly.

   Suppress the visual focus ring so they never
   look like active controls.
*/

.future-card.disabled:focus {

    outline:
        none;
}


.future-card.disabled:focus-visible {

    outline:
        none;
}


/* -----------------------------------------------------
   FUTURE CARD CONTENT
----------------------------------------------------- */

.future-card-top {

    display:
        flex;

    align-items:
        flex-start;

    gap:
        13px;
}


.future-card-icon {

    width:
        44px;

    height:
        44px;

    flex:
        0 0 44px;

    display:
        grid;

    place-items:
        center;

    border-radius:
        12px;

    background:
        rgba(7, 157, 115, 0.11);

    font-size:
        22px;

    filter:
        saturate(0.75);
}


.future-card-title {

    min-width:
        0;
}


.future-card-title h4 {

    font-size:
        16px;

    line-height:
        1.25;

    color:
        var(--text);
}


.future-card-title p {

    margin-top:
        7px;

    color:
        var(--muted);

    font-size:
        10px;

    line-height:
        1.5;
}


/* -----------------------------------------------------
   COMING SOON BADGE
----------------------------------------------------- */

.future-badge {

    align-self:
        flex-start;

    margin-top:
        16px;

    padding:
        5px 8px;

    border-radius:
        999px;

    background:
        rgba(7, 157, 115, 0.08);

    border:
        1px solid
        rgba(7, 157, 115, 0.12);

    color:
        var(--accent);

    font-size:
        7px;

    font-weight:
        900;

    letter-spacing:
        0.8px;
}


/* -----------------------------------------------------
   DARK MODE
----------------------------------------------------- */

body.dark-mode
.future-card.disabled {

    opacity:
        0.65;
}


body.dark-mode
.future-card.disabled:focus-visible {

    outline:
        none;
}


/* -----------------------------------------------------
   MOBILE
----------------------------------------------------- */

@media (max-width: 800px) {

    .future-card.disabled {

        min-height:
            145px;

        padding:
            16px;
    }

}


@media (max-width: 500px) {

    .future-card.disabled {

        min-height:
            125px;

        padding:
            15px;
    }


    .future-card-icon {

        width:
            40px;

        height:
            40px;

        flex-basis:
            40px;

        font-size:
            20px;
    }


    .future-card-title h4 {

        font-size:
            14px;
    }


    .future-card-title p {

        font-size:
            9px;

        margin-top:
            5px;
    }


    .future-badge {

        margin-top:
            12px;

        font-size:
            6.5px;

        padding:
            4px 7px;
    }

}


@media (max-width: 360px) {

    .future-card.disabled {

        min-height:
            120px;

        padding:
            14px;
    }


    .future-card-top {

        gap:
            10px;
    }


    .future-card-icon {

        width:
            38px;

        height:
            38px;

        flex-basis:
            38px;

        font-size:
            19px;
    }

}

/* =====================================================
   ACTIVITY NAVIGATION
===================================================== */

.header-left {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    overflow: hidden;
    white-space: nowrap;
}

.arcade-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    height: 42px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--card);
    color: var(--muted);
    text-decoration: none;
    font-size: 11px;
    font-weight: 800;
    white-space: nowrap;
    cursor: pointer;
    transition: 0.2s ease;
}

.arcade-button:hover {
    transform: translateY(-1px);
    border-color: rgba(7, 157, 115,0.35);
    background: var(--card2);
}

.back-button:focus-visible,
.arcade-button:focus-visible,
.theme-toggle:focus-visible {
    outline: 3px solid rgba(7, 157, 115,0.28);
    outline-offset: 2px;
}

@media (max-width: 800px) {
    .game-header {
        grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
        gap: 6px;
    }

    .header-left {
        gap: 4px;
    }

    .back-button,
    .arcade-button {
        height: 36px;
        padding: 0 8px;
        font-size: 9px;
    }

    .game-title {
        min-width: 0;
        max-width: 100%;
    }

    .game-title-text {
        min-width: 0;
    }

    .game-title-text h1,
    .game-title-text p {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

@media (max-width: 500px) {
    .game-header {
        grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
        padding: 0 8px;
        gap: 4px;
    }

    .header-left {
        gap: 3px;
    }

    .back-button,
    .arcade-button {
        height: 34px;
        padding: 0 6px;
        font-size: 8px;
    }

    .arcade-button {
        font-size: 7px;
    }

    .game-title-text {
        display: none;
    }

    .game-title .game-icon {
        width: 34px;
        height: 34px;
    }

    .theme-toggle {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
    }
}

@media (max-width: 360px) {
    .game-header {
        padding: 0 5px;
        gap: 3px;
    }

    .back-button,
    .arcade-button {
        padding: 0 5px;
        font-size: 7px;
    }

    .arcade-button {
        font-size: 6.5px;
    }

    .game-title .game-icon {
        width: 30px;
        height: 30px;
    }

    .theme-toggle {
        width: 30px;
        height: 30px;
        flex-basis: 30px;
        font-size: 14px;
    }
}


/* =====================================================
   DRAG & DROP — sentence builder
===================================================== */

.word-chip,
.built-chip {
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.word-chip:active,
.built-chip:active {
  cursor: grabbing;
}

.word-chip.dragging,
.built-chip.dragging {
  opacity: 0.45;
}

.built-sentence.drag-over {
  border-color: rgba(7, 157, 115, 0.55);
  background: rgba(7, 157, 115, 0.08);
  box-shadow: inset 0 0 0 1px rgba(7, 157, 115, 0.2);
}

.word-bank.drag-over {
  outline: 2px dashed rgba(7, 157, 115, 0.45);
  outline-offset: 6px;
  border-radius: 14px;
}

.built-chip {
  cursor: grab;
}


/* ===== MOBILE: less scrolling ===== */
@media (max-width: 700px) {
  .game-header, header.game-header {
    min-height: 52px !important;
    padding: 8px 12px !important;
  }
  .game-card {
    padding: 14px 12px !important;
    margin: 0 0 12px !important;
  }
  .game-top { gap: 8px !important; margin-bottom: 8px !important; }
  .progress-wrap { margin-bottom: 10px !important; }
  .question-area .prompt { font-size: 14px !important; margin-bottom: 8px !important; }
  .built-sentence { min-height: 48px !important; padding: 8px !important; margin-bottom: 10px !important; }
  .word-bank { gap: 8px !important; }
  .word-chip, .built-chip {
    padding: 10px 12px !important;
    font-size: 14px !important;
  }
  .answer-option, .answer-grid button {
    padding: 12px 14px !important;
    font-size: 15px !important;
  }
  .feedback { font-size: 14px !important; min-height: 22px !important; }
  .practice-list { gap: 8px !important; }
  .practice-card { padding: 12px !important; }
}


/* Distinct group card colors */
.group-card[data-group="group1"],
.group-card:nth-child(1) {
  border-color: #93c5fd;
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 55%);
}
.group-card[data-group="group1"] .group-icon,
.group-card:nth-child(1) .group-icon {
  background: #3b82f6;
  color: #fff;
}

.group-card[data-group="group2"],
.group-card:nth-child(2) {
  border-color: #fcd34d;
  background: linear-gradient(180deg, #fffbeb 0%, #ffffff 55%);
}
.group-card[data-group="group2"] .group-icon,
.group-card:nth-child(2) .group-icon {
  background: #f59e0b;
  color: #fff;
}

.group-card[data-group="mixed"],
.group-card.final,
.group-card:nth-child(3) {
  border-color: #c4b5fd;
  background: linear-gradient(180deg, #f5f3ff 0%, #ffffff 55%);
}
.group-card[data-group="mixed"] .group-icon,
.group-card.final .group-icon,
.group-card:nth-child(3) .group-icon {
  background: #8b5cf6;
  color: #fff;
}

.group-card.completed,
.group-card.final-completed {
  border-color: #047857 !important;
  background: linear-gradient(180deg, #d1fae5 0%, #a7f3d0 100%) !important;
  box-shadow: 0 10px 28px rgba(4, 120, 87, 0.2);
}

.group-card.completed::after,
.group-card.final-completed::after {
  content: "✓" !important;
  background: #047857 !important;
  color: #fff !important;
  font-size: 14px !important;
  font-weight: 900 !important;
  letter-spacing: 0 !important;
  padding: 6px 12px !important;
  border-radius: 999px !important;
}


/* ========== UNIFIED GRAMMAR BACK BUTTON ========== */
.back-button,
a.back-button,
button.back-button,
.arcade-back-btn.back-button,
.arcade-back-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  height: auto !important;
  min-height: 40px !important;
  padding: 10px 14px !important;
  border-radius: 12px !important;
  border: 1px solid #dcefe9 !important;
  background: #ffffff !important;
  color: #202636 !important;
  text-decoration: none !important;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  line-height: 1.2 !important;
  letter-spacing: 0 !important;
  white-space: nowrap !important;
  cursor: pointer !important;
  box-shadow: none !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease !important;
}

.back-button:hover,
a.back-button:hover,
button.back-button:hover,
.arcade-back-btn:hover {
  border-color: #079d73 !important;
  background: #ffffff !important;
  color: #202636 !important;
  box-shadow: 0 6px 16px rgba(7, 157, 115, 0.12) !important;
  transform: translateY(-1px) !important;
  filter: none !important;
}

.back-button:focus-visible,
.arcade-back-btn:focus-visible {
  outline: 3px solid rgba(7, 157, 115, 0.28) !important;
  outline-offset: 2px !important;
}

html[data-theme="dark"] .back-button,
html[data-theme="dark"] .arcade-back-btn,
body:not(.light-mode) .back-button,
body.dark-mode .back-button {
  background: #17201c !important;
  border-color: #24463b !important;
  color: #eef5f1 !important;
}

html[data-theme="dark"] .back-button:hover,
body:not(.light-mode) .back-button:hover,
body.dark-mode .back-button:hover {
  border-color: #079d73 !important;
  box-shadow: 0 6px 16px rgba(7, 157, 115, 0.2) !important;
}

@media (max-width: 700px) {
  .back-button,
  .arcade-back-btn {
    padding: 8px 12px !important;
    font-size: 12px !important;
    min-height: 36px !important;
    border-radius: 10px !important;
  }
}
/* ========== END UNIFIED BACK BUTTON ========== */