/* KobyGen premium icon system — circular app-icon style (Phase 1 PNG) */

.kg-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    flex-shrink: 0;
    line-height: 1;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

.kg-icon__img,
.kg-icon > img {
    -webkit-user-drag: none;
    user-drag: none;
}

/* ---- Circular container ---- */
.kg-icon.kg-icon--round {
    --kg-icon-inset: 2px;
    width: var(--kg-icon-size, 2.25rem);
    height: var(--kg-icon-size, 2.25rem);
    min-width: var(--kg-icon-size, 2.25rem);
    min-height: var(--kg-icon-size, 2.25rem);
    border-radius: 50%;
    background: linear-gradient(145deg, #0A0A0F 0%, rgba(18, 10, 32, 0.94) 100%);
    border: 1px solid rgba(0, 240, 255, 0.18);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 0 0 1px rgba(139, 92, 246, 0.07),
        0 2px 10px rgba(0, 0, 0, 0.32);
    padding: var(--kg-icon-inset, 2px);
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
    transition:
        border-color 0.18s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 0.18s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Subtle cyan → purple gradient ring */
.kg-icon.kg-icon--round::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    padding: 1px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.28), rgba(139, 92, 246, 0.22));
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.55;
}

.kg-icon.kg-icon--round .kg-icon__img,
.kg-icon.kg-icon--round > img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    image-rendering: -webkit-optimize-contrast;
    filter: drop-shadow(0 0 3px rgba(255, 255, 255, 0.15)) brightness(1.08) contrast(1.06);
}

.kg-icon.kg-icon--round.kg-icon--unicode,
.kg-icon.kg-icon--round.kg-icon--fallback {
    font-size: calc(var(--kg-icon-size, 1.625rem) * 0.46);
}

/* Size tiers (px at 16px root) */
.kg-icon--xs { --kg-icon-size: 1.375rem; }   /* 22px */
.kg-icon--sm { --kg-icon-size: 1.75rem; }    /* 28px */
.kg-icon--md { --kg-icon-size: 2.25rem; }    /* 36px */
.kg-icon--lg { --kg-icon-size: 2.75rem; }    /* 44px */
.kg-icon--xl { --kg-icon-size: 3.5rem; }     /* 56px */
.kg-icon--xxl { --kg-icon-size: 4.5rem; }   /* 72px */

/* Inline icon (status badges, table cells) */
.kg-icon--inline {
    display: inline-flex;
    vertical-align: middle;
    margin-right: 0.2em;
    --kg-icon-size: 1.125rem;
}
.status-badge .kg-icon--inline {
    --kg-icon-size: 1rem;
}

/* Medal variants */
.kg-icon--silver.kg-icon--round {
    border-color: rgba(192, 210, 230, 0.38);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 0 12px rgba(192, 210, 230, 0.12);
}

.kg-icon--bronze.kg-icon--round {
    border-color: rgba(205, 127, 50, 0.38);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 0 12px rgba(205, 127, 50, 0.12);
}

/* ---- Context size overrides ---- */
.account-nav .nav-item-icon .kg-icon,
.nav-item-icon .kg-icon {
    --kg-icon-size: 2.75rem; /* 44px — account nav tabs */
}

.nav-icon .kg-icon {
    --kg-icon-size: 2.25rem; /* 36px — admin sidebar */
}

.user-dropdown-icon .kg-icon {
    --kg-icon-size: 1.75rem; /* 28px — header user menu */
}

.user-points-badge .kg-icon--inline {
    --kg-icon-size: 0.875rem; /* 14px — compact header badge */
    margin-right: 0;
}

.leaderboard-star .kg-icon--inline {
    --kg-icon-size: 0.9rem;
    filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.5));
}

.roadmap-phase,
.roadmap-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.roadmap-status-text {
    line-height: 1;
}

.character-card summary {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.notification-close,
.modal-close,
.lightbox-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.notification-close .kg-icon--inline {
    --kg-icon-size: 0.875rem;
}

.modal-close .kg-icon--inline {
    --kg-icon-size: 1rem;
}

.lightbox-close .kg-icon--inline {
    --kg-icon-size: 1.25rem;
}

.nav-mobile-action-icon .kg-icon {
    --kg-icon-size: 2.75rem; /* 44px — mobile touch targets */
}

.footer-logo .kg-icon {
    --kg-icon-size: 1.375rem; /* 22px — footer compact */
    margin-right: 0.35rem;
}

.logo-icon .kg-icon,
.sidebar-logo .logo-icon .kg-icon {
    --kg-icon-size: 2.75rem; /* 44px */
}

.header-page-icon .kg-icon {
    --kg-icon-size: 2.75rem; /* 44px — admin header badge */
}

.stat-icon .kg-icon,
.stat-card-mini .stat-icon .kg-icon {
    --kg-icon-size: 3.5rem; /* 56px */
}

.user-avatar-large .kg-icon {
    --kg-icon-size: 4.5rem; /* 72px — sidebar profile */
}

/* ---- Hover / focus glow ring ---- */
a:hover .kg-icon--round,
a:focus-visible .kg-icon--round,
button:hover .kg-icon--round,
button:focus-visible .kg-icon--round,
.nav-item:hover .kg-icon--round,
.nav-item:focus-visible .kg-icon--round,
.nav-link:hover .kg-icon--round,
.nav-link:focus-visible .kg-icon--round,
.btn-primary-glow:hover .kg-icon--round,
.btn-secondary-glow:hover .kg-icon--round,
.btn-copy:hover .kg-icon--round,
.btn-copy:focus-visible .kg-icon--round {
    border-color: rgba(0, 240, 255, 0.42);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 0 0 1px rgba(0, 240, 255, 0.22),
        0 0 18px rgba(0, 240, 255, 0.28);
    transform: scale(1.08);
}

/* Account nav — active tab */
.account-nav .nav-item.active .kg-icon--round {
    border-color: rgba(0, 240, 255, 0.5);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 0 0 1px rgba(0, 240, 255, 0.3),
        0 0 20px rgba(0, 240, 255, 0.32);
    transform: scale(1.04);
    animation: kgIconActiveGlow 3s ease-in-out infinite;
}

/* Account nav — logout (pink glow) */
.account-nav .nav-item--logout:hover .kg-icon--round,
.account-nav .nav-item--logout:focus-visible .kg-icon--round {
    border-color: rgba(255, 0, 60, 0.45);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 0 0 1px rgba(255, 0, 60, 0.25),
        0 0 16px rgba(255, 0, 60, 0.28);
    transform: scale(1.08);
}

/* Admin sidebar — active item on cyan pill */
.nav-item.active .kg-icon--round {
    border-color: rgba(0, 0, 0, 0.18);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(220, 250, 255, 0.88));
    box-shadow: 0 0 14px rgba(0, 0, 0, 0.12);
    transform: scale(1.04);
}

.nav-item.active .kg-icon--round::before {
    opacity: 0;
}

/* User dropdown */
.user-dropdown a:hover .kg-icon--round,
.user-dropdown a:focus-visible .kg-icon--round,
.user-dropdown-item:hover .kg-icon--round,
.user-dropdown-item:focus-visible .kg-icon--round {
    border-color: rgba(0, 240, 255, 0.45);
    box-shadow: 0 0 16px rgba(0, 240, 255, 0.25);
}

.user-dropdown-logout:hover .kg-icon--round,
.user-dropdown-logout:focus-visible .kg-icon--round {
    border-color: rgba(255, 0, 60, 0.4);
    box-shadow: 0 0 14px rgba(255, 0, 60, 0.22);
}

/* Mobile menu touch targets */
.nav-mobile-action:hover .kg-icon--round,
.nav-mobile-action:focus-visible .kg-icon--round {
    border-color: rgba(0, 240, 255, 0.4);
    box-shadow: 0 0 16px rgba(0, 240, 255, 0.22);
}

.nav-mobile-action--pump:hover .kg-icon--round,
.nav-mobile-action--pump:focus-visible .kg-icon--round {
    border-color: rgba(255, 0, 60, 0.45);
    box-shadow: 0 0 16px rgba(255, 0, 60, 0.25);
}

/* Context wrappers — flex alignment only (visuals on .kg-icon--round) */
.nav-item-icon,
.nav-icon,
.user-dropdown-icon,
.nav-mobile-action-icon,
.logo-icon,
.footer-logo,
.header-page-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ---- Idle ring pulse (cyan / purple) ---- */
@keyframes kgIconRingPulse {
    0%, 100% {
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.05),
            0 0 0 1px rgba(139, 92, 246, 0.07),
            0 2px 10px rgba(0, 0, 0, 0.32),
            0 0 8px rgba(0, 240, 255, 0.06);
    }
    50% {
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.06),
            0 0 0 1px rgba(139, 92, 246, 0.14),
            0 2px 10px rgba(0, 0, 0, 0.32),
            0 0 14px rgba(0, 240, 255, 0.14),
            0 0 18px rgba(139, 92, 246, 0.1);
    }
}

@keyframes kgIconBeforePulse {
    0%, 100% { opacity: 0.48; }
    50% { opacity: 0.82; }
}

@keyframes kgIconActiveGlow {
    0%, 100% {
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.1),
            0 0 0 1px rgba(0, 240, 255, 0.3),
            0 0 18px rgba(0, 240, 255, 0.28);
    }
    50% {
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.12),
            0 0 0 1px rgba(0, 240, 255, 0.38),
            0 0 24px rgba(0, 240, 255, 0.38),
            0 0 12px rgba(139, 92, 246, 0.18);
    }
}

@keyframes kgIconWiggle {
    0%, 100% { transform: scale(1.08) rotate(0deg); }
    25% { transform: scale(1.08) rotate(-5deg); }
    75% { transform: scale(1.08) rotate(5deg); }
}

.kg-icon.kg-icon--round {
    animation: kgIconRingPulse 4.2s ease-in-out infinite;
}

.kg-icon.kg-icon--round::before {
    animation: kgIconBeforePulse 4.2s ease-in-out infinite;
}

/* Viewport reveal (JS toggles .kg-icon--in-view) */
.kg-icon[data-kg-icon-animate]:not(.kg-icon--in-view) {
    opacity: 0;
    transform: scale(0.88);
}

.kg-icon[data-kg-icon-animate].kg-icon--in-view {
    opacity: 1;
    transform: scale(1);
    transition:
        opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Parallax tilt target — will-change only while hovering */
.kg-icon[data-kg-icon-tilt].kg-icon--tilt-active {
    will-change: transform;
    transition: transform 0.12s ease-out;
}

/* ---- Gene orbit — particles circling round icons ---- */
.kg-icon.kg-icon--round.kg-icon--orbit {
    overflow: visible;
}

.kg-icon--orbit .kg-icon__img,
.kg-icon--orbit > img {
    position: relative;
    z-index: 1;
    animation: kgIconCenterPulse 3.6s ease-in-out infinite;
}

.kg-icon-orbit {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    animation: kgGeneOrbit 7s linear infinite;
    will-change: transform;
}

.kg-icon-orbit::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    width: 5px;
    height: 5px;
    margin-left: -2.5px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #00F0FF 0%, rgba(139, 92, 246, 0.88) 100%);
    box-shadow:
        0 0 6px rgba(0, 240, 255, 0.85),
        0 0 12px rgba(139, 92, 246, 0.4);
}

.kg-icon-orbit--2 {
    animation-duration: 9s;
    animation-delay: -2.5s;
    animation-direction: reverse;
}

.kg-icon-orbit--2::before {
    width: 4px;
    height: 4px;
    margin-left: -2px;
    top: -1px;
    opacity: 0.78;
    box-shadow:
        0 0 5px rgba(139, 92, 246, 0.75),
        0 0 9px rgba(0, 240, 255, 0.35);
}

.kg-icon-orbit--3 {
    animation-duration: 11s;
    animation-delay: -4.8s;
}

.kg-icon-orbit--3::before {
    width: 3px;
    height: 3px;
    margin-left: -1.5px;
    top: 0;
    opacity: 0.62;
    box-shadow: 0 0 4px rgba(0, 240, 255, 0.65);
}

.kg-icon--xs.kg-icon--orbit .kg-icon-orbit::before {
    width: 3px;
    height: 3px;
    margin-left: -1.5px;
    top: -1px;
}

.kg-icon--xs.kg-icon--orbit .kg-icon-orbit--2::before,
.kg-icon--xs.kg-icon--orbit .kg-icon-orbit--3::before {
    width: 2px;
    height: 2px;
    margin-left: -1px;
}

@keyframes kgGeneOrbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes kgIconCenterPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Chat avatars — squircle, no orbit */
.kg-chat-avatar .kg-icon--orbit {
    overflow: hidden;
}

.kg-chat-avatar .kg-icon-orbit {
    display: none;
}

.kg-chat-avatar .kg-icon--orbit .kg-icon__img {
    animation: none;
}

/* Accent icons — playful wiggle on hover */
a:hover .kg-icon--round.kg-icon--accent,
a:focus-visible .kg-icon--round.kg-icon--accent,
button:hover .kg-icon--round.kg-icon--accent,
button:focus-visible .kg-icon--round.kg-icon--accent,
.nav-item:hover .kg-icon--round.kg-icon--accent,
.nav-link:hover .kg-icon--round.kg-icon--accent {
    animation: kgIconWiggle 0.42s ease-in-out;
}

/* ---- Mobile: disable gene glow / orbit / pulse (performance) ---- */
@media (max-width: 768px) {
    .kg-icon.kg-icon--round,
    .kg-icon.kg-icon--round::before,
    .kg-icon--orbit .kg-icon__img,
    .kg-icon--orbit > img,
    .kg-icon-orbit,
    .account-nav .nav-item.active .kg-icon--round {
        animation: none !important;
    }

    .kg-icon-orbit {
        display: none !important;
        will-change: auto;
    }

    .kg-icon.kg-icon--round.kg-icon--orbit {
        overflow: hidden;
    }

    .kg-icon.kg-icon--round {
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.04),
            0 0 0 1px rgba(139, 92, 246, 0.06),
            0 2px 6px rgba(0, 0, 0, 0.28);
        transition: border-color 0.15s ease;
    }

    .kg-icon.kg-icon--round::before {
        display: none;
    }

    .kg-icon.kg-icon--round .kg-icon__img,
    .kg-icon.kg-icon--round > img {
        filter: none;
    }

    .kg-icon--silver.kg-icon--round,
    .kg-icon--bronze.kg-icon--round {
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.05),
            0 2px 6px rgba(0, 0, 0, 0.22);
    }

    .leaderboard-star .kg-icon--inline {
        filter: none;
    }

    a:hover .kg-icon--round,
    a:focus-visible .kg-icon--round,
    button:hover .kg-icon--round,
    button:focus-visible .kg-icon--round,
    .nav-item:hover .kg-icon--round,
    .nav-item:focus-visible .kg-icon--round,
    .nav-link:hover .kg-icon--round,
    .nav-link:focus-visible .kg-icon--round,
    .btn-primary-glow:hover .kg-icon--round,
    .btn-secondary-glow:hover .kg-icon--round,
    .btn-copy:hover .kg-icon--round,
    .btn-copy:focus-visible .kg-icon--round,
    .account-nav .nav-item.active .kg-icon--round,
    .account-nav .nav-item--logout:hover .kg-icon--round,
    .account-nav .nav-item--logout:focus-visible .kg-icon--round,
    .nav-item.active .kg-icon--round,
    .user-dropdown a:hover .kg-icon--round,
    .user-dropdown a:focus-visible .kg-icon--round,
    .user-dropdown-item:hover .kg-icon--round,
    .user-dropdown-item:focus-visible .kg-icon--round,
    .user-dropdown-logout:hover .kg-icon--round,
    .user-dropdown-logout:focus-visible .kg-icon--round,
    .nav-mobile-action:hover .kg-icon--round,
    .nav-mobile-action:focus-visible .kg-icon--round,
    .nav-mobile-action--pump:hover .kg-icon--round,
    .nav-mobile-action--pump:focus-visible .kg-icon--round {
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.04),
            0 0 0 1px rgba(139, 92, 246, 0.06),
            0 2px 6px rgba(0, 0, 0, 0.28);
        transform: none;
    }

    .nav-item.active .kg-icon--round {
        background: linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(220, 250, 255, 0.88));
        border-color: rgba(0, 0, 0, 0.18);
    }

    a:hover .kg-icon--round.kg-icon--accent,
    a:focus-visible .kg-icon--round.kg-icon--accent,
    button:hover .kg-icon--round.kg-icon--accent,
    button:focus-visible .kg-icon--round.kg-icon--accent,
    .nav-item:hover .kg-icon--round.kg-icon--accent,
    .nav-link:hover .kg-icon--round.kg-icon--accent {
        animation: none !important;
    }

    .kg-icon[data-kg-icon-tilt].kg-icon--tilt-active {
        will-change: auto;
    }

    .logo-icon,
    .nav-logo .logo-icon {
        animation: none !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .kg-icon,
    .kg-icon::before,
    .kg-icon-orbit,
    .kg-icon--orbit .kg-icon__img,
    .kg-icon--orbit > img {
        animation: none !important;
        transition: none !important;
    }

    .kg-icon-orbit {
        will-change: auto;
    }

    .kg-icon[data-kg-icon-animate]:not(.kg-icon--in-view),
    .kg-icon[data-kg-icon-animate].kg-icon--in-view {
        opacity: 1;
        transform: none;
    }

    a:hover .kg-icon--round,
    a:focus-visible .kg-icon--round,
    button:hover .kg-icon--round,
    button:focus-visible .kg-icon--round,
    .nav-item:hover .kg-icon--round,
    .nav-item.active .kg-icon--round,
    .account-nav .nav-item.active .kg-icon--round {
        transform: none;
    }

    .kg-icon[data-kg-icon-tilt].kg-icon--tilt-active {
        will-change: auto;
    }
}