:root {
    --chaos-bg: #0f0f0f;
    --chaos-bg-card: #1a1a1a;
    --chaos-bg-input: #222222;
    --chaos-red: #b22222;
    --chaos-red-dark: #8b0000;
    --chaos-red-deep: #6b0f0f;
    --chaos-red-light: #d43d3d;
    --chaos-red-muted: #a07878;
    --chaos-silver: #c8c8c8;
    --chaos-text: #e8e8e8;
    --chaos-text-muted: #b89090;
    --chaos-border: #3d2525;
    --chaos-gold: #b8860b;
}

.chaos-body {
    background: var(--chaos-bg);
    color: var(--chaos-text);
    min-height: 100vh;
}

.site-header {
    background: linear-gradient(180deg, #1a1a1a 0%, #121212 100%);
    border-bottom: 1px solid var(--chaos-border);
    box-shadow: 0 4px 24px rgba(139, 0, 0, 0.15);
    padding: 0;
}
.site-header-shell {
    display: flex;
    align-items: stretch;
    width: 100%;
    margin: 0 auto;
    min-height: 148px;
}
.site-logo-column {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0.5rem 1rem 0.5rem 0.75rem;
    border-right: 1px solid var(--chaos-border);
    background: linear-gradient(90deg, rgba(139, 0, 0, 0.18) 0%, rgba(26, 26, 26, 0.4) 100%);
    text-decoration: none;
}
.site-header-inner {
    flex: 1;
    min-width: 0;
    padding: 1rem 1.25rem 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
}
.site-header-row {
    display: block;
    width: 100%;
}
.site-header-row h1 {
    text-align: left;
}
.site-header-subtitle {
    text-align: left;
}
.site-header-inner .lang-switcher {
    justify-content: flex-start;
}
.site-logo {
    display: block;
    height: 132px;
    width: auto;
    min-width: 220px;
    max-width: 420px;
    object-fit: contain;
    object-position: left center;
    filter: drop-shadow(0 3px 14px rgba(178, 34, 34, 0.55));
}
@media (min-width: 640px) {
    .site-header-shell { min-height: 168px; }
    .site-logo-column { padding: 0.75rem 1.25rem 0.75rem 1rem; }
    .site-logo {
        height: 156px;
        min-width: 300px;
        max-width: 520px;
    }
}
.site-header h1 {
    color: var(--chaos-red-light);
    font-weight: 800;
    text-shadow: 0 2px 12px rgba(178, 34, 34, 0.35);
}
.site-header p { color: var(--chaos-text-muted); }
.site-header strong { color: var(--chaos-silver); }

.chaos-card {
    background: var(--chaos-bg-card);
    border: 1px solid var(--chaos-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(178, 34, 34, 0.08);
}
.chaos-label { color: var(--chaos-silver); font-weight: 600; }
.chaos-hint { color: var(--chaos-red-muted); }
.chaos-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--chaos-border);
    background: var(--chaos-bg-input);
    color: var(--chaos-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.chaos-input:focus {
    outline: none;
    border-color: var(--chaos-red);
    box-shadow: 0 0 0 3px rgba(178, 34, 34, 0.25);
}
.chaos-input::placeholder { color: #666; }
.chaos-file-input { color: var(--chaos-text-muted); font-size: 0.875rem; }
.chaos-file-input::file-selector-button {
    margin-right: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    border: 0;
    font-size: 0.875rem;
    font-weight: 600;
    background: rgba(178, 34, 34, 0.2);
    color: var(--chaos-red-light);
    cursor: pointer;
}
.chaos-file-input::file-selector-button:hover { background: rgba(178, 34, 34, 0.35); }

.chaos-btn {
    width: 100%;
    font-weight: 700;
    padding: 0.875rem 1rem;
    border-radius: 0.75rem;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    color: white;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}
.chaos-btn:hover { transform: translateY(-1px); filter: brightness(1.08); }
.chaos-btn-primary {
    background: linear-gradient(135deg, var(--chaos-red-dark), var(--chaos-red));
}
.chaos-btn-download {
    background: linear-gradient(135deg, #6b0f0f, var(--chaos-red-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.chaos-btn-free {
    background: linear-gradient(135deg, var(--chaos-red-deep), var(--chaos-red));
    font-size: 0.875rem;
}
.chaos-btn-discount {
    background: linear-gradient(135deg, #5c3a0a, var(--chaos-gold), #8b6914);
    font-size: 0.875rem;
}
.chaos-btn-paid {
    background: linear-gradient(135deg, #2a2a2a, #4a2020, var(--chaos-red-dark));
    font-size: 0.875rem;
}

.chaos-qr-box {
    background: #fff;
    border: 1px solid var(--chaos-border);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
}
.chaos-divider { border-color: var(--chaos-border); }

.chaos-review-banner {
    background: rgba(178, 34, 34, 0.12);
    border: 1px solid var(--chaos-border);
}
.chaos-review-banner p:first-child { color: var(--chaos-red-light); }
.chaos-review-banner p:nth-child(2) { color: var(--chaos-text-muted); }
.chaos-review-link {
    display: inline-block;
    background: linear-gradient(135deg, var(--chaos-red-dark), var(--chaos-red));
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: filter 0.2s;
}
.chaos-review-link:hover { filter: brightness(1.1); }

.site-footer {
    background: #141414;
    border-top: 1px solid var(--chaos-border);
    color: var(--chaos-text-muted);
}
.site-footer h3 { color: var(--chaos-silver); }
.site-footer a { color: var(--chaos-red-light); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer .footer-divider { border-color: var(--chaos-border); }
.footer-legal-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1.25rem;
    margin-bottom: 1rem;
    font-size: 0.75rem;
}
.footer-legal-links a {
    color: var(--chaos-red-muted);
    font-weight: 600;
}
.footer-legal-links a:hover { color: var(--chaos-red-light); }

.legal-main {
    flex: 1;
    padding: 2rem 1rem 3rem;
    max-width: 48rem;
    margin: 0 auto;
    width: 100%;
}
.legal-content {
    padding: 2rem;
    border-radius: 1rem;
    line-height: 1.7;
    font-size: 0.9rem;
}
.legal-content h2 {
    color: var(--chaos-red-light);
    font-size: 1.05rem;
    font-weight: 800;
    margin: 1.75rem 0 0.75rem;
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p { margin-bottom: 0.85rem; color: var(--chaos-text); }
.legal-content ul, .legal-content ol {
    margin: 0.5rem 0 1rem 1.25rem;
    color: var(--chaos-text);
}
.legal-content li { margin-bottom: 0.45rem; }
.legal-content a { color: var(--chaos-red-light); text-decoration: underline; }
.legal-meta { color: var(--chaos-red-muted); font-size: 0.8rem; margin-top: 0.35rem; }
.legal-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 1.5rem;
    font-size: 0.8rem;
}
.legal-nav a {
    color: var(--chaos-red-muted);
    text-decoration: none;
    font-weight: 600;
}
.legal-nav a:hover { color: var(--chaos-red-light); text-decoration: underline; }
.legal-page-title { font-size: 1.35rem; line-height: 1.3; }
@media (max-width: 639px) {
    .site-logo-column { padding: 0.35rem 0.5rem 0.35rem 0.45rem; }
    .site-logo {
        height: 100px;
        min-width: 150px;
        max-width: 190px;
    }
    .site-header-inner { padding: 0.65rem 0.75rem; }
    .legal-content { padding: 1.25rem; }
    .legal-page-title { font-size: 1.1rem; }
}

@keyframes rewardGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}
@keyframes rewardShimmer {
    0% { transform: translateX(-120%) skewX(-20deg); }
    100% { transform: translateX(220%) skewX(-20deg); }
}
@keyframes rewardFloat {
    0%, 100% { transform: translateX(0) scale(1); opacity: 0.5; }
    50% { transform: translateX(10px) scale(1.06); opacity: 0.85; }
}
@keyframes rewardPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(255,255,255,0.15), 0 8px 32px rgba(0,0,0,0.2); }
    50% { box-shadow: 0 0 40px rgba(255,255,255,0.35), 0 12px 48px rgba(0,0,0,0.25); }
}
@keyframes rewardIconBounce {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.12) rotate(4deg); }
}
@keyframes rewardStarSpin {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.2); }
    100% { transform: rotate(360deg) scale(1); }
}
@keyframes rewardBoltFlash {
    0%, 100% { opacity: 1; filter: drop-shadow(0 0 6px rgba(255,255,255,0.8)); }
    50% { opacity: 0.7; filter: drop-shadow(0 0 18px rgba(255,255,255,1)); }
}
@keyframes bannerPopIn {
    0% { opacity: 0; transform: translate(-50%, -48%) scale(0.92); }
    100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}
@keyframes bannerOverlayIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.reward-rotator {
    overflow: hidden;
    width: 75%;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}
.reward-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}
@media (min-width: 640px) {
    .reward-grid { gap: 0.65rem; }
}
.reward-card-wrap { will-change: transform; }
.reward-banner {
    position: relative;
    overflow: hidden;
    border-radius: 1rem;
    aspect-ratio: 1 / 1;
    padding: 0.55rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    animation: rewardPulse 3s ease-in-out infinite;
    isolation: isolate;
}
@media (min-width: 640px) {
    .reward-banner { padding: 0.7rem; border-radius: 1.15rem; }
}
.reward-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.22) 50%, transparent 60%);
    animation: rewardShimmer 3.5s ease-in-out infinite;
}
.reward-bg-free {
    background: linear-gradient(135deg, #6b0f0f, #8b0000, #b22222, #8b0000);
    background-size: 300% 300%;
    animation: rewardGradient 6s ease infinite;
    border-color: rgba(178, 34, 34, 0.45) !important;
}
.reward-bg-discount {
    background: linear-gradient(135deg, #4a2808, #8b6914, #b8860b, #6b4a0a);
    background-size: 300% 300%;
    animation: rewardGradient 6s ease infinite;
    border-color: rgba(184, 134, 11, 0.4) !important;
}
.reward-bg-premium {
    background: linear-gradient(135deg, #1a1a1a, #3d1515, #6b0f0f, #2a1010);
    background-size: 300% 300%;
    animation: rewardGradient 6s ease infinite;
    border-color: rgba(192, 192, 192, 0.25) !important;
}
.reward-banner-text p { color: rgba(255, 255, 255, 0.88); }
.reward-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    background: rgba(255,255,255,0.12);
    animation: rewardFloat 4s ease-in-out infinite;
}
.reward-badge {
    display: inline-block;
    font-size: 0.55rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.2rem 0.5rem;
    border-radius: 9999px;
    background: rgba(255,255,255,0.22);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.35);
    color: white;
    margin-bottom: 0.35rem;
}
@media (min-width: 640px) {
    .reward-badge { font-size: 0.6rem; padding: 0.25rem 0.6rem; }
}
.reward-icon-wrap { animation: rewardIconBounce 2.5s ease-in-out infinite; }
.reward-icon-star { animation: rewardStarSpin 4s linear infinite; }
.reward-icon-bolt { animation: rewardBoltFlash 1.5s ease-in-out infinite; }

.social-banner-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.social-banner-overlay.hidden { display: none; }
.social-banner-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(6px);
    animation: bannerOverlayIn 0.3s ease;
}
.social-banner-card {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 28rem;
    background: linear-gradient(135deg, #6b0f0f, #8b0000, #b22222);
    background-size: 200% 200%;
    animation: rewardGradient 6s ease infinite, bannerPopIn 0.35s cubic-bezier(0.34, 1.2, 0.64, 1);
    border-radius: 1.5rem;
    padding: 1.5rem;
    box-shadow: 0 25px 60px rgba(0,0,0,0.5), 0 0 40px rgba(178, 34, 34, 0.3);
    border: 1px solid rgba(178, 34, 34, 0.45);
    overflow: hidden;
}
.social-banner-card .social-desc { color: rgba(255, 255, 255, 0.85); }
.social-copy-notice { color: rgba(255, 220, 220, 0.95) !important; }
.social-confirm-btn {
    width: 100%;
    background: var(--chaos-silver);
    color: var(--chaos-red-deep);
    font-weight: 700;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.social-confirm-btn:hover { background: #fff; filter: brightness(1.05); }
.social-banner-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.18) 50%, transparent 60%);
    animation: rewardShimmer 3.5s ease-in-out infinite;
    pointer-events: none;
}
.social-btn {
    padding: 0.55rem 0.65rem;
    border-radius: 0.75rem;
    font-size: 0.7rem;
    font-weight: 700;
    border: 1px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.15);
    color: white;
    backdrop-filter: blur(8px);
    transition: all 0.2s ease;
    cursor: pointer;
}
.social-btn:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.lang-switcher a {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--chaos-red-muted);
    text-decoration: none;
    transition: all 0.2s ease;
}
.lang-switcher a:hover {
    background: rgba(178, 34, 34, 0.2);
    color: var(--chaos-silver);
}
.lang-switcher a.lang-active {
    background: linear-gradient(135deg, var(--chaos-red-dark), var(--chaos-red));
    color: white;
}

/* Mobile: stacked banners, no rotation clipping */
@media (max-width: 639px) {
    .reward-rotator {
        width: 100%;
        max-width: none;
        overflow: visible;
    }
    .reward-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    .reward-card-wrap {
        transform: none !important;
        transition: none !important;
    }
    .reward-banner {
        aspect-ratio: auto;
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        text-align: left;
        padding: 0.7rem 0.85rem;
        border-radius: 0.85rem;
        animation: none;
    }
    .reward-banner::before { display: none; }
    .reward-orb { display: none; }
    .reward-banner .relative.z-10 {
        flex-direction: row;
        align-items: center;
        gap: 0.65rem;
        width: 100%;
    }
    .reward-badge {
        margin-bottom: 0;
        flex-shrink: 0;
        font-size: 0.5rem;
    }
    .reward-icon-wrap {
        margin: 0 !important;
        flex-shrink: 0;
        width: 2.5rem !important;
        height: 2.5rem !important;
        animation: none;
    }
    .reward-banner-text {
        flex: 1;
        min-width: 0;
        text-align: left;
    }
    .reward-banner-text h2 {
        font-size: 0.8rem;
        line-height: 1.2;
    }
    .reward-banner-text p {
        font-size: 0.65rem;
        margin-top: 0.15rem;
        line-height: 1.25;
    }
    header h1 { font-size: 1.45rem; line-height: 1.25; }
    header p { font-size: 0.875rem; }
    .social-banner-card { padding: 1.1rem; max-height: 90vh; overflow-y: auto; }
    .social-btn { font-size: 0.58rem; padding: 0.4rem 0.35rem; }
    #qr-container > div:first-child {
        width: min(290px, 100%) !important;
        height: min(290px, 100vw - 4rem) !important;
    }
    main { padding-left: 0.75rem; padding-right: 0.75rem; }
    .chaos-card { padding: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
    .reward-banner,
    .reward-icon-wrap,
    .reward-orb,
    .reward-bg-free,
    .reward-bg-discount,
    .reward-bg-premium { animation: none; }
}