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

:root {
    --bg: #fdf6ff;
    --card: #ffffff;
    --card2: #f8f0fc;
    --border: #e8d5f0;
    --t1: #2d1b4e;
    --t2: #7a6293;
    --t3: #b8a3cc;
    --accent: #e040fb;
    --accent2: #ff6d00;
    --accent-g: linear-gradient(135deg, #e040fb, #ff6d00, #ffab00);
    --glow: rgba(224, 64, 251, 0.3);
    --blue: #2979ff;
    --green: #00e676;
    --r: 18px;
    --rs: 12px;
}

html, body {
    width:100%; height:100%;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--t1);
    overflow: hidden;
}

body {
    display: flex;
    justify-content: center;
    height: 100vh; height: 100dvh;
    background-image:
        radial-gradient(ellipse at 15% 10%, rgba(224,64,251,0.12) 0%, transparent 45%),
        radial-gradient(ellipse at 85% 80%, rgba(41,121,255,0.1) 0%, transparent 45%),
        radial-gradient(ellipse at 50% 50%, rgba(255,109,0,0.06) 0%, transparent 50%),
        radial-gradient(circle at 20% 60%, rgba(0,230,118,0.06) 0%, transparent 35%);
    position: relative;
}

/* ---- Sparkle Particles ---- */
body::before, body::after {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
}

body::before {
    background-image:
        radial-gradient(1.5px 1.5px at 10% 15%, rgba(224,64,251,0.5) 50%, transparent 50%),
        radial-gradient(2px 2px at 25% 35%, rgba(255,171,0,0.45) 50%, transparent 50%),
        radial-gradient(1px 1px at 40% 8%, rgba(41,121,255,0.5) 50%, transparent 50%),
        radial-gradient(2px 2px at 55% 65%, rgba(0,230,118,0.4) 50%, transparent 50%),
        radial-gradient(1.5px 1.5px at 70% 20%, rgba(255,109,0,0.45) 50%, transparent 50%),
        radial-gradient(1px 1px at 85% 45%, rgba(224,64,251,0.4) 50%, transparent 50%),
        radial-gradient(2px 2px at 15% 75%, rgba(41,121,255,0.35) 50%, transparent 50%),
        radial-gradient(1.5px 1.5px at 92% 70%, rgba(255,171,0,0.4) 50%, transparent 50%),
        radial-gradient(1px 1px at 35% 90%, rgba(0,230,118,0.45) 50%, transparent 50%),
        radial-gradient(2px 2px at 60% 10%, rgba(224,64,251,0.35) 50%, transparent 50%),
        radial-gradient(1.5px 1.5px at 78% 88%, rgba(41,121,255,0.4) 50%, transparent 50%),
        radial-gradient(1px 1px at 5% 50%, rgba(255,109,0,0.5) 50%, transparent 50%);
    animation: cm-sparkle 6s ease-in-out infinite alternate;
}

body::after {
    background-image:
        radial-gradient(1px 1px at 18% 28%, rgba(255,171,0,0.5) 50%, transparent 50%),
        radial-gradient(2px 2px at 33% 55%, rgba(224,64,251,0.4) 50%, transparent 50%),
        radial-gradient(1.5px 1.5px at 48% 18%, rgba(0,230,118,0.45) 50%, transparent 50%),
        radial-gradient(1px 1px at 63% 78%, rgba(41,121,255,0.5) 50%, transparent 50%),
        radial-gradient(2px 2px at 80% 35%, rgba(255,109,0,0.35) 50%, transparent 50%),
        radial-gradient(1.5px 1.5px at 95% 58%, rgba(224,64,251,0.45) 50%, transparent 50%),
        radial-gradient(1px 1px at 8% 85%, rgba(255,171,0,0.4) 50%, transparent 50%),
        radial-gradient(2px 2px at 45% 42%, rgba(41,121,255,0.35) 50%, transparent 50%),
        radial-gradient(1.5px 1.5px at 72% 5%, rgba(0,230,118,0.5) 50%, transparent 50%),
        radial-gradient(1px 1px at 28% 68%, rgba(224,64,251,0.3) 50%, transparent 50%);
    animation: cm-sparkle 8s ease-in-out infinite alternate-reverse;
}

@keyframes cm-sparkle {
    0%   { opacity: 0.5; transform: scale(1); }
    50%  { opacity: 1; transform: scale(1.02); }
    100% { opacity: 0.6; transform: scale(0.98); }
}

/* ---- App Shell ---- */
.cm-app {
    width: 100%;
    max-width: 680px;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 0.8rem 1rem;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

/* ---- Header ---- */
.cm-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    gap: 0.5rem;
}

.cm-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.cm-brand-icon {
    position: relative;
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
}

.cm-diamond {
    position: absolute;
    font-size: 1.6rem;
    line-height: 1;
}

.cm-diamond:first-child { color: var(--accent); }
.cm-d2 { color: var(--accent2); opacity: 0.5; transform: rotate(15deg) scale(0.7); }
.cm-d3 { color: var(--blue); opacity: 0.35; transform: rotate(-20deg) scale(0.5); }

.cm-title {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: var(--accent-g);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cm-tagline {
    font-size: 0.6rem;
    color: var(--t3);
    letter-spacing: 0.5px;
    margin-top: -1px;
}

.cm-head-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cm-pts-pill {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: linear-gradient(135deg, rgba(224,64,251,0.1), rgba(255,109,0,0.1));
    border: 1px solid rgba(224,64,251,0.2);
    padding: 0.3rem 0.7rem;
    border-radius: 30px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent);
    white-space: nowrap;
}

.cm-pts-icon { font-size: 0.85rem; }

.cm-level-pill {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--card);
    border: 1px solid var(--border);
    padding: 0.3rem 0.7rem;
    border-radius: 30px;
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--t2);
    white-space: nowrap;
}

.cm-level-divider {
    width: 1px; height: 12px;
    background: var(--border);
}

/* ---- Progress Bar ---- */
.cm-progress-wrap {
    flex-shrink: 0;
    margin: 0.5rem 0;
}

.cm-progress-track {
    height: 5px;
    background: var(--card);
    border-radius: 5px;
    overflow: hidden;
}

.cm-progress-fill {
    height: 100%; width: 0%;
    background: var(--accent-g);
    border-radius: 5px;
    transition: width 0.5s ease;
    box-shadow: 0 0 8px var(--glow);
}

/* ---- Controls Row ---- */
.cm-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-shrink: 0;
    margin-bottom: 0.6rem;
}

.cm-chips {
    display: flex;
    gap: 0.3rem;
}

.cm-chip {
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    border: 1.5px solid var(--border);
    background: var(--card);
    color: var(--t3);
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 800;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.cm-chip:hover:not(.cm-locked) {
    border-color: var(--t3);
    color: var(--t2);
    background: var(--card2);
}

.cm-chip.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 0 14px var(--glow);
}

.cm-locked {
    opacity: 0.25;
    cursor: not-allowed;
}

/* Stats */
.cm-stats {
    display: flex;
    gap: 0.7rem;
}

.cm-s {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
}

.cm-sn {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--t1);
    line-height: 1.2;
    letter-spacing: -0.3px;
}

.cm-sl {
    font-size: 0.48rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--t3);
}

/* ---- Board ---- */
.cm-board-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    padding: 0.3rem 0;
}

.cm-board {
    display: grid;
    gap: 10px;
    width: 100%;
    perspective: 1000px;
    align-content: center;
}

.cm-board.cols-2 { grid-template-columns: repeat(2,1fr); max-width: 200px; }
.cm-board.cols-3 { grid-template-columns: repeat(3,1fr); max-width: 310px; }
.cm-board.cols-4 { grid-template-columns: repeat(4,1fr); max-width: 420px; }
.cm-board.cols-5 { grid-template-columns: repeat(5,1fr); max-width: 500px; }
.cm-board.cols-6 { grid-template-columns: repeat(6,1fr); max-width: 600px; }

/* ---- Cards ---- */
.cm-card {
    aspect-ratio: 1;
    border-radius: var(--r);
    cursor: pointer;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.45s cubic-bezier(.4,0,.2,1);
}

@supports not (aspect-ratio:1) {
    .cm-card { height:0; padding-bottom:100%; }
}

.cm-card.flipped, .cm-card.matched { transform: rotateY(180deg); }
.cm-card.matched { cursor: default; }

.cm-card-face {
    position: absolute;
    top:0; left:0; right:0; bottom:0;
    border-radius: var(--r);
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.cm-card-back {
    background: linear-gradient(145deg, #fff, var(--card2));
    border: 2px solid var(--border);
    box-shadow: 0 4px 15px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
    transition: all 0.25s;
}

.cm-card-back::after {
    content: '?';
    font-size: 1.5rem;
    color: var(--t3);
    font-weight: 900;
    opacity: 0.5;
}

.cm-card:not(.flipped):not(.matched):hover .cm-card-back {
    border-color: var(--accent);
    box-shadow: 0 8px 30px rgba(224,64,251,0.15), 0 0 20px var(--glow);
    transform: scale(1.05);
}

.cm-card-front {
    transform: rotateY(180deg);
    border: 2.5px solid rgba(255,255,255,0.35);
    box-shadow: inset 0 0 20px rgba(0,0,0,0.08), 0 6px 20px rgba(0,0,0,0.12);
}

.cm-card-front .cm-card-emoji {
    font-size: 1.8rem;
    filter: drop-shadow(0 3px 6px rgba(0,0,0,0.3));
}

.cm-card-front .cm-card-color-name {
    font-size: 0.45rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.65);
    margin-top: 3px;
    font-weight: 700;
}

.cm-card.matched .cm-card-front {
    box-shadow: 0 0 25px rgba(224,64,251,0.15), 0 4px 15px rgba(0,0,0,0.08);
    border-color: rgba(255,255,255,0.5);
}

/* ---- Bottom Actions ---- */
.cm-actions {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    flex-shrink: 0;
    padding: 0.5rem 0 0.2rem;
    flex-wrap: wrap;
}

.cm-btn-new, .cm-btn-share {
    padding: 0.55rem 1.6rem;
    border: none;
    border-radius: 30px;
    font-size: 0.82rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.cm-btn-new {
    background: #fff;
    color: var(--t2);
    border: 1.5px solid var(--border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.cm-btn-new:hover {
    background: var(--card2);
    border-color: var(--accent);
    color: var(--t1);
    box-shadow: 0 4px 15px rgba(224,64,251,0.1);
}

.cm-btn-share {
    background: var(--accent-g);
    color: #fff;
    border: none;
    box-shadow: 0 4px 20px var(--glow);
}

.cm-btn-share:hover {
    box-shadow: 0 6px 30px rgba(244,63,94,0.35);
    transform: translateY(-1px);
}

/* ---- Overlays ---- */
.cm-overlay {
    position: fixed;
    top:0; left:0; right:0; bottom:0;
    background: rgba(253,246,255,0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    animation: cm-fade 0.3s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1rem;
}

.cm-hidden { display: none !important; }

@keyframes cm-fade { from{opacity:0} to{opacity:1} }

.cm-modal {
    background: #fff;
    padding: 2rem 2.2rem;
    border-radius: 24px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: 0 30px 80px rgba(0,0,0,0.1), 0 0 60px rgba(224,64,251,0.08);
    max-width: 370px;
    width: 92%;
    position: relative;
    overflow: hidden;
}

.cm-confetti {
    position: absolute;
    top: 0; left: 0; right: 0; height: 4px;
    background: var(--accent-g);
}

.cm-modal-stars {
    font-size: 2.2rem;
    letter-spacing: 6px;
    margin-bottom: 0.3rem;
}

.cm-modal-h {
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--accent-g);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.4rem;
}

.cm-modal-h-share {
    background: linear-gradient(135deg, var(--blue), var(--green));
    -webkit-background-clip: text;
    background-clip: text;
}

.cm-modal-info {
    color: var(--t2);
    font-size: 0.88rem;
    line-height: 1.7;
}

.cm-modal-info strong { color: var(--t1); }

.cm-modal-pts {
    margin: 0.5rem 0;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--accent);
}

.cm-modal-btns {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 0.7rem;
}

.cm-mbtn-primary, .cm-mbtn-ghost {
    padding: 0.5rem 1.3rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.cm-mbtn-primary {
    background: var(--accent-g);
    border: none;
    color: #fff;
    box-shadow: 0 4px 15px var(--glow);
}

.cm-mbtn-primary:hover {
    box-shadow: 0 6px 25px rgba(244,63,94,0.35);
    transform: translateY(-1px);
}

.cm-mbtn-ghost {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--t2);
}

.cm-mbtn-ghost:hover {
    border-color: var(--t3);
    color: var(--t1);
}

.cm-modal-x {
    position: absolute;
    top: 0.6rem; right: 0.8rem;
    background: none; border: none;
    font-size: 1.5rem; color: var(--t3);
    cursor: pointer; line-height: 1;
    transition: color 0.2s;
}

.cm-modal-x:hover { color: var(--t1); }

/* Share card */
.cm-share-card {
    background: var(--card2);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1rem;
    margin-bottom: 0.8rem;
}

.cm-share-card-title {
    font-size: 0.95rem;
    font-weight: 900;
    background: var(--accent-g);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.3rem;
}

.cm-share-card-stars {
    font-size: 1.3rem;
    letter-spacing: 3px;
    margin-bottom: 0.2rem;
}

.cm-share-card-info {
    font-size: 0.78rem;
    color: var(--t2);
    line-height: 1.7;
}

.cm-share-card-info strong { color: var(--t1); }

.cm-share-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.8rem;
}

.cm-share-qr img {
    border-radius: 12px;
    background: #fff;
    padding: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    border: 1px solid var(--border);
}

.cm-share-qr-txt {
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--t3);
    font-weight: 700;
}

/* Toast */
.cm-toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-g);
    color: #fff;
    padding: 0.55rem 1.5rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 700;
    z-index: 200;
    animation: cm-toast-in 0.3s ease;
    box-shadow: 0 8px 30px var(--glow);
}

@keyframes cm-toast-in {
    from { opacity:0; transform:translateX(-50%) translateY(16px); }
    to { opacity:1; transform:translateX(-50%) translateY(0); }
}

/* ---- Card Animations ---- */
@keyframes cm-pop {
    0%   { transform: rotateY(180deg) scale(1); }
    50%  { transform: rotateY(180deg) scale(1.12); }
    100% { transform: rotateY(180deg) scale(1); }
}
.cm-card.matched { animation: cm-pop 0.4s ease; }

@keyframes cm-shake {
    0%,100% { transform: translateX(0); }
    25%     { transform: translateX(-3px); }
    75%     { transform: translateX(3px); }
}
.cm-card.wrong { animation: cm-shake 0.35s ease; }

/* ---- Responsive ---- */
@media (max-width: 480px) {
    .cm-app { padding: 0.5rem 0.6rem; }
    .cm-title { font-size: 1.05rem; }
    .cm-tagline { display: none; }
    .cm-level-pill { display: none; }
    .cm-chip { width: 30px; height: 30px; font-size: 0.68rem; border-radius: 8px; }
    .cm-stats { gap: 0.4rem; }
    .cm-sn { font-size: 0.9rem; }
    .cm-sl { font-size: 0.42rem; }
    .cm-board { gap: 7px; }
    .cm-card-front .cm-card-emoji { font-size: 1.4rem; }
    .cm-card-front .cm-card-color-name { display: none; }
    .cm-card-back::after { font-size: 1.1rem; }
    .cm-btn-new, .cm-btn-share { padding: 0.45rem 1.1rem; font-size: 0.75rem; }
    .cm-modal { padding: 1.5rem 1.2rem; }
    .cm-modal-h { font-size: 1.3rem; }
}

@media (max-height: 650px) {
    .cm-head { gap: 0.3rem; }
    .cm-title { font-size: 1rem; }
    .cm-tagline { display: none; }
    .cm-progress-wrap { margin: 0.3rem 0; }
    .cm-controls { margin-bottom: 0.3rem; }
    .cm-chip { width: 28px; height: 28px; font-size: 0.65rem; }
    .cm-sn { font-size: 0.85rem; }
    .cm-board { gap: 6px; }
    .cm-card-front .cm-card-emoji { font-size: 1.3rem; }
    .cm-card-front .cm-card-color-name { display: none; }
    .cm-card-back::after { font-size: 1rem; }
    .cm-actions { padding: 0.3rem 0 0.1rem; }
    .cm-btn-new, .cm-btn-share { padding: 0.35rem 1rem; font-size: 0.72rem; }
}

@media (max-height: 550px) {
    .cm-app { padding: 0.3rem 0.5rem; }
    .cm-pts-pill { display: none; }
    .cm-progress-wrap { margin: 0.15rem 0; }
    .cm-progress-track { height: 3px; }
    .cm-controls { margin-bottom: 0.2rem; }
    .cm-chip { width: 24px; height: 24px; font-size: 0.58rem; border-radius: 6px; }
    .cm-sn { font-size: 0.75rem; }
    .cm-sl { font-size: 0.38rem; }
    .cm-board { gap: 4px; }
    .cm-card { border-radius: 10px; }
    .cm-card-face { border-radius: 10px; }
    .cm-card-front .cm-card-emoji { font-size: 1rem; }
    .cm-card-back::after { font-size: 0.8rem; }
    .cm-actions { padding: 0.15rem 0; gap: 0.4rem; }
    .cm-btn-new, .cm-btn-share { padding: 0.25rem 0.7rem; font-size: 0.65rem; }
}