/* =========================================================
   Kids Color Balloon Game — Styles
   Inherits CSS custom properties from sitecolorwheel.css
   ========================================================= */

/* ── Game wrapper ── */
.kcg-wrap {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

/* ── Mode tabs ── */
.kcg-modes {
    display: flex;
    gap: .5rem;
    justify-content: center;
    flex-wrap: wrap;
    padding: .75rem 1rem;
    width: 100%;
}

.kcg-mode-btn {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    border: 2px solid var(--border);
    border-radius: 50px;
    padding: .7rem 1.5rem;
    cursor: pointer;
    background: var(--surface);
    color: var(--ink-soft);
    transition: all .2s ease;
    white-space: nowrap;
    min-height: 50px;
}

.kcg-mode-btn:hover {
    background: var(--surface-alt);
    color: var(--ink);
    border-color: var(--c-purple);
    transform: translateY(-2px);
}

.kcg-mode-btn.active {
    background: linear-gradient(135deg, var(--c-purple), var(--c-blue));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 6px 18px rgba(124, 58, 237, .28);
}

/* ── Score / Sound bar ── */
.kcg-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: .4rem 1rem;
    font-family: var(--font-display);
}

.kcg-score {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: .3rem;
}

.kcg-score-num { color: var(--c-purple); }

.kcg-sound-btn {
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: .45rem .75rem;
    font-size: .85rem;
    font-weight: 700;
    cursor: pointer;
    color: var(--ink-soft);
    transition: all .2s ease;
    min-height: 44px;
    min-width: 44px;
    font-family: var(--font-display);
}

.kcg-sound-btn:hover { background: var(--surface); color: var(--ink); }
.kcg-sound-btn[aria-pressed="true"] { color: var(--c-blue); }

.kcg-topbar-right {
    display: flex;
    align-items: center;
    gap: .45rem;
}

.kcg-share-btn, .kcg-fs-btn {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}

/* Fullscreen overrides — fill viewport, scroll hidden */
.kcg-fullscreen {
    position: fixed !important;
    inset: 0 !important;
    z-index: 9999 !important;
    background: #fff !important;
    overflow-y: auto !important;
    padding: .75rem 1rem !important;
    border-radius: 0 !important;
}

.kcg-fullscreen .kcg-sky {
    min-height: 60vh;
}

/* =========================================================
   SKY / BALLOON ARENA
   ========================================================= */
.kcg-sky {
    position: relative;
    width: 100%;
    min-height: 520px;
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, #c9e8ff 0%, #e8f6ff 55%, #f0faff 100%);
    overflow: hidden;
    touch-action: none;
    user-select: none;
    box-shadow: var(--shadow-md);
    margin: .5rem 0;
}

/* Decorative clouds */
.kcg-cloud {
    position: absolute;
    background: rgba(255,255,255,.85);
    border-radius: 50px;
    pointer-events: none;
}

.kcg-cloud::before,
.kcg-cloud::after {
    content: '';
    position: absolute;
    background: rgba(255,255,255,.85);
    border-radius: 50%;
}

.kcg-cloud-1 {
    width: 140px; height: 40px;
    top: 28px; left: 6%;
}
.kcg-cloud-1::before { width: 70px; height: 60px; top: -28px; left: 20px; }
.kcg-cloud-1::after  { width: 54px; height: 48px; top: -20px; left: 58px; }

.kcg-cloud-2 {
    width: 120px; height: 34px;
    top: 20px; right: 8%;
}
.kcg-cloud-2::before { width: 60px; height: 54px; top: -24px; left: 16px; }
.kcg-cloud-2::after  { width: 46px; height: 40px; top: -18px; left: 54px; }

/* ── Central learn card (Mode A) ── */
.kcg-learn-card {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.5rem;
}

.kcg-color-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 7px solid rgba(255,255,255,.85);
    box-shadow: 0 12px 48px rgba(0,0,0,.22);
    flex-shrink: 0;
    transition: background-color .35s ease, transform .2s ease;
}

.kcg-color-circle:active { transform: scale(.95); }

.kcg-color-name {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--ink);
    letter-spacing: .04em;
    text-shadow: 0 2px 12px rgba(255,255,255,.8);
    text-align: center;
}

.kcg-learn-actions {
    display: flex;
    gap: .6rem;
    flex-wrap: wrap;
    justify-content: center;
}

.kcg-big-btn {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    border: none;
    border-radius: 50px;
    padding: .9rem 2rem;
    cursor: pointer;
    min-height: 58px;
    transition: transform .2s ease, box-shadow .2s ease;
}

.kcg-big-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.kcg-big-btn:active { transform: scale(.96); }

.kcg-big-btn-hear {
    background: #fff;
    color: var(--c-purple);
    border: 2px solid var(--c-purple);
}

.kcg-big-btn-pop {
    background: linear-gradient(135deg, var(--c-pink), var(--c-purple));
    color: #fff;
    box-shadow: 0 6px 20px rgba(124,58,237,.25);
}

/* ── Color nav (prev/next) ── */
.kcg-color-nav {
    position: absolute;
    bottom: 1rem;
    left: 0; right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .75rem;
}

.kcg-nav-btn {
    background: rgba(255,255,255,.8);
    border: 2px solid rgba(255,255,255,.9);
    border-radius: 50%;
    width: 44px; height: 44px;
    font-size: 1.3rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all .15s ease;
    backdrop-filter: blur(4px);
}

.kcg-nav-btn:hover { background: #fff; transform: scale(1.1); }

.kcg-color-dots {
    display: flex;
    gap: 5px;
    align-items: center;
}

.kcg-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,.7);
    transition: transform .2s ease;
    cursor: pointer;
}

.kcg-dot.active {
    transform: scale(1.4);
    border-color: rgba(255,255,255,1);
}

/* =========================================================
   BALLOONS
   ========================================================= */
.kcg-balloon {
    position: absolute;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    will-change: transform;
    animation: kcg-float var(--float-dur, 8s) var(--float-delay, 0s) linear forwards;
    touch-action: none;
}

.kcg-balloon:focus-visible { outline: 3px dashed #fff; outline-offset: 4px; border-radius: 50%; }

@keyframes kcg-float {
    from { transform: translateY(0) translateX(0); }
    to   { transform: translateY(calc(-100% - 400px)) translateX(var(--drift, 0px)); }
}

/* Body of balloon */
.kcg-balloon-body {
    width: var(--bsize, 70px);
    height: calc(var(--bsize, 70px) * 1.18);
    border-radius: 50% 50% 45% 45%;
    position: relative;
    filter: drop-shadow(0 6px 10px rgba(0,0,0,.18));
    transition: transform .1s ease;
}

.kcg-balloon-body::after {
    content: '';
    position: absolute;
    top: 18%;
    left: 22%;
    width: 22%;
    height: 30%;
    background: rgba(255,255,255,.45);
    border-radius: 50%;
    transform: rotate(-30deg);
}

/* Balloon knot */
.kcg-balloon-knot {
    width: 8px;
    height: 8px;
    border-radius: 50% 50% 0 0;
    margin-top: 1px;
    flex-shrink: 0;
}

/* Balloon string */
.kcg-balloon-string {
    width: 1.5px;
    height: 44px;
    opacity: .55;
    flex-shrink: 0;
}

/* Pop animation */
.kcg-balloon.popping {
    animation: kcg-pop .35s ease forwards;
    pointer-events: none;
}

@keyframes kcg-pop {
    0%   { transform: scale(1);    opacity: 1; }
    30%  { transform: scale(1.35); opacity: .9; }
    60%  { transform: scale(.6);   opacity: .5; }
    100% { transform: scale(0);    opacity: 0; }
}

/* Sparkle particles on pop */
.kcg-spark {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    pointer-events: none;
    animation: kcg-spark-fly .5s ease forwards;
}

@keyframes kcg-spark-fly {
    0%   { transform: translate(0, 0) scale(1);   opacity: 1; }
    100% { transform: translate(var(--sx), var(--sy)) scale(0); opacity: 0; }
}

/* Pop label (brief overlay) */
.kcg-pop-label {
    position: absolute;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 2px 6px rgba(0,0,0,.3);
    background: rgba(0,0,0,.35);
    border-radius: var(--radius-sm);
    padding: .3rem .7rem;
    pointer-events: none;
    animation: kcg-label-fade .9s ease forwards;
    z-index: 10;
    white-space: nowrap;
}

@keyframes kcg-label-fade {
    0%   { opacity: 1;   transform: translateY(0); }
    70%  { opacity: 1;   transform: translateY(-16px); }
    100% { opacity: 0;   transform: translateY(-30px); }
}

/* =========================================================
   FIND COLOR MODE (Mode C)
   ========================================================= */
.kcg-find-prompt {
    position: absolute;
    top: 22px;
    left: 0; right: 0;
    text-align: center;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    color: var(--ink);
    text-shadow: 0 2px 8px rgba(255,255,255,.8);
    pointer-events: none;
    padding: 0 1rem;
}

.kcg-find-choices {
    position: absolute;
    bottom: 1rem;
    left: 1rem; right: 1rem;
    display: flex;
    gap: .6rem;
    flex-wrap: wrap;
    justify-content: center;
}

.kcg-find-choice {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 5px solid rgba(255,255,255,.9);
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(0,0,0,.2);
    transition: transform .18s ease, box-shadow .18s ease;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 8px;
}

.kcg-find-choice:hover, .kcg-find-choice:focus-visible {
    transform: scale(1.15);
    box-shadow: 0 8px 24px rgba(0,0,0,.28);
    outline: none;
}

.kcg-find-choice-label {
    font-family: var(--font-display);
    font-size: .6rem;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 1px 4px rgba(0,0,0,.5);
    text-align: center;
    letter-spacing: .03em;
}

.kcg-find-choice.correct-pulse {
    animation: kcg-correct-pulse .5s ease;
}

.kcg-find-choice.wrong-shake {
    animation: kcg-wrong-shake .4s ease;
}

@keyframes kcg-correct-pulse {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.3); }
    70%  { transform: scale(.95); }
    100% { transform: scale(1); }
}

@keyframes kcg-wrong-shake {
    0%, 100% { transform: translateX(0); }
    20%       { transform: translateX(-8px); }
    60%       { transform: translateX(8px); }
}

/* =========================================================
   QUIZ MODE (Mode D)
   ========================================================= */
.kcg-quiz-card {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.25rem;
}

.kcg-quiz-progress {
    font-family: var(--font-display);
    font-size: .88rem;
    font-weight: 700;
    color: rgba(26,27,37,.6);
    text-align: center;
}

.kcg-quiz-swatch {
    width: 160px;
    height: 160px;
    border-radius: var(--radius-md);
    border: 6px solid rgba(255,255,255,.9);
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.kcg-quiz-question {
    font-family: var(--font-display);
    font-size: 1.7rem;
    font-weight: 900;
    color: var(--ink);
    text-align: center;
}

.kcg-quiz-choices {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .75rem;
    width: 100%;
    max-width: 520px;
}

.kcg-quiz-choice {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 800;
    border: 3px solid rgba(255,255,255,.7);
    border-radius: var(--radius-md);
    padding: 1rem .75rem;
    cursor: pointer;
    color: #fff;
    text-shadow: 0 1px 4px rgba(0,0,0,.3);
    transition: transform .18s ease, box-shadow .18s ease;
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,.12);
}

.kcg-quiz-choice:hover, .kcg-quiz-choice:focus-visible {
    transform: scale(1.06);
    box-shadow: 0 8px 20px rgba(0,0,0,.2);
    outline: none;
}

.kcg-quiz-choice.correct-pulse { animation: kcg-correct-pulse .5s ease; }
.kcg-quiz-choice.wrong-shake   { animation: kcg-wrong-shake .4s ease; }

/* =========================================================
   OVERLAY MESSAGES (Pop all / Quiz end)
   ========================================================= */
.kcg-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(6px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .85rem;
    border-radius: var(--radius-lg);
    z-index: 20;
    padding: 2rem 1.5rem;
    text-align: center;
    animation: kcg-overlay-in .3s ease;
}

@keyframes kcg-overlay-in {
    from { opacity: 0; transform: scale(.95); }
    to   { opacity: 1; transform: scale(1); }
}

.kcg-overlay-emoji {
    font-size: 3.5rem;
    line-height: 1;
}

.kcg-overlay-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--ink);
}

.kcg-overlay-sub {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--ink-soft);
}

.kcg-overlay-stars {
    font-size: 1.5rem;
    letter-spacing: .1rem;
}

.kcg-overlay-actions {
    display: flex;
    gap: .6rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Feedback banner (brief "Great Job!" or "Try Again!") */
.kcg-feedback {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 900;
    padding: .6rem 1.4rem;
    border-radius: 50px;
    pointer-events: none;
    z-index: 15;
    white-space: nowrap;
    animation: kcg-feedback-in .2s ease, kcg-feedback-out .3s .7s ease forwards;
}

@keyframes kcg-feedback-in {
    from { opacity: 0; transform: translate(-50%, -50%) scale(.7); }
    to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes kcg-feedback-out {
    from { opacity: 1; }
    to   { opacity: 0; transform: translate(-50%, -58%) scale(.9); }
}

.kcg-feedback.good {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: #fff;
    box-shadow: 0 6px 24px rgba(34,197,94,.4);
}

.kcg-feedback.try {
    background: linear-gradient(135deg, var(--c-orange), #f59e0b);
    color: #fff;
    box-shadow: 0 6px 24px rgba(245,158,11,.4);
}

/* =========================================================
   BELOW-GAME CONTROLS
   ========================================================= */
.kcg-controls {
    display: flex;
    gap: .55rem;
    flex-wrap: wrap;
    justify-content: center;
    padding: .5rem 1rem;
    width: 100%;
}

.kcg-ctrl-btn {
    font-family: var(--font-display);
    font-size: .95rem;
    font-weight: 700;
    border: 2px solid var(--border);
    border-radius: 50px;
    padding: .6rem 1.2rem;
    cursor: pointer;
    background: var(--surface);
    color: var(--ink-soft);
    transition: all .2s ease;
    min-height: 48px;
}

.kcg-ctrl-btn:hover {
    background: var(--surface-alt);
    color: var(--ink);
    transform: translateY(-2px);
    border-color: var(--c-purple);
}

/* =========================================================
   COLOR PICKER STRIP
   ========================================================= */
.kcg-color-strip {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    justify-content: center;
    padding: .4rem 1rem;
    width: 100%;
}

.kcg-color-chip {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,.7);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,.12);
    transition: transform .18s ease, box-shadow .18s ease;
    position: relative;
    flex-shrink: 0;
}

.kcg-color-chip:hover,
.kcg-color-chip:focus-visible {
    transform: scale(1.2);
    box-shadow: 0 4px 14px rgba(0,0,0,.22);
    outline: none;
}

.kcg-color-chip.selected::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 3px solid var(--ink);
}

/* =========================================================
   EDUCATIONAL CONTENT SECTION
   ========================================================= */
.kcg-edu-section {
    width: 100%;
    margin: 2rem auto;
    padding: 0;
}

.kcg-edu-section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    font-weight: 800;
    color: var(--ink);
    margin-bottom: .6rem;
}

.kcg-edu-section h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--c-purple);
    margin: 1.4rem 0 .5rem;
}

.kcg-edu-section p, .kcg-edu-section li {
    color: var(--ink-soft);
    line-height: 1.8;
    font-size: 1.05rem;
}

.kcg-edu-section ol, .kcg-edu-section ul {
    padding-left: 1.6rem;
}

.kcg-edu-section li { margin-bottom: .4rem; }

/* How-to steps */
.kcg-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.kcg-step-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.2rem 1.25rem;
    text-align: center;
}

.kcg-step-icon { font-size: 2.2rem; margin-bottom: .5rem; }
.kcg-step-num  { font-size: .75rem; font-weight: 800; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.kcg-step-text { font-size: 1rem; font-weight: 600; color: var(--ink); margin-top: .3rem; }

/* =========================================================
   HERO (page top)
   ========================================================= */
.kcg-hero {
    text-align: center;
    padding: 2.5rem 1rem 1rem;
}

.kcg-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 900;
    color: var(--ink);
    margin-bottom: .4rem;
}

.kcg-hero p {
    font-size: 1.2rem;
    color: var(--ink-soft);
    margin: 0;
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
    .kcg-balloon {
        animation: kcg-float-reduced var(--float-dur, 8s) linear forwards;
    }

    @keyframes kcg-float-reduced {
        from { transform: translateY(0); }
        to   { transform: translateY(calc(-100% - 400px)); }
    }

    .kcg-balloon.popping {
        animation: kcg-pop-reduced .2s ease forwards;
    }

    @keyframes kcg-pop-reduced {
        to { opacity: 0; transform: scale(0); }
    }

    .kcg-spark { display: none; }
    .kcg-feedback { animation: none; opacity: 1; }
}

/* =========================================================
   MOBILE
   ========================================================= */
@media (max-width: 768px) {
    .kcg-sky          { min-height: 380px; }
    .kcg-color-name   { font-size: 2.6rem; }
    .kcg-color-circle { width: 150px; height: 150px; }
    .kcg-quiz-choices { max-width: 360px; }
    .kcg-quiz-choice  { font-size: 1.1rem; }
    .kcg-find-choice  { width: 80px; height: 80px; }
    .kcg-quiz-swatch  { width: 120px; height: 120px; }
}

@media (max-width: 480px) {
    .kcg-sky          { min-height: 300px; }
    .kcg-color-name   { font-size: 2rem; }
    .kcg-color-circle { width: 110px; height: 110px; }
    .kcg-quiz-choices { max-width: 280px; }
    .kcg-quiz-choice  { font-size: .95rem; min-height: 52px; }
    .kcg-find-choice  { width: 64px; height: 64px; }
    .kcg-quiz-swatch  { width: 90px; height: 90px; }
    .kcg-color-chip   { width: 44px; height: 44px; }
}