html,
body {
    height: 100%;
}

html,
body {
    overflow-x: hidden;
}

.glass {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.island {
    transition: width 0.24s ease, height 0.24s ease, border-radius 0.24s ease,
        transform 0.18s;
    align-items: center;
}

.island--closed {
    width: max-content;
    min-width: 220px;
    height: 50px;
    border-radius: 999px;
    padding-left: 6px;
    padding-right: 6px;
}

.island--open {
    width: min(92vw, 980px);
    height: 68px;
    border-radius: 22px;
}

.nav-a {
    position: relative;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
}

.nav-a:after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 0.35rem;
    height: 2px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s;
}

.nav-a:hover:after,
.nav-a.active:after {
    transform: scaleX(1);
}

section {
    scroll-margin-top: 88px;
}

.avatar-frame {
    position: relative;
    border-radius: 28px;
    padding: 10px;
    background: linear-gradient(135deg, #111, transparent);
    box-shadow: var(--avatar-shadow, 0 12px 40px rgba(0, 0, 0, 0.22));
}

.avatar-orbit {
    position: absolute;
    inset: -2px;
    border-radius: 30px;
    background: conic-gradient(from 0deg, #c8f560, #8affd1, #7dd3fc, #c8f560);
    filter: blur(8px);
    opacity: 0.7;
    animation: spin 9s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(1turn);
    }
}

.avatar-mask {
    clip-path: polygon(10% 0%, 90% 4%, 100% 60%, 85% 100%, 0% 90%, 4% 20%);
    border-radius: 24px;
    overflow: hidden;
}

.duotone img {
    filter: grayscale(100%) contrast(1.1) brightness(0.95);
}

.duotone:before {
    content: "";
    position: absolute;
    inset: 0;
    mix-blend-mode: screen;
    background: radial-gradient(120% 120% at 10% 10%,
            rgba(200, 245, 96, 0.35),
            transparent 50%),
        radial-gradient(100% 100% at 90% 80%,
            rgba(125, 211, 252, 0.25),
            transparent 50%);
}

.marquee {
    display: flex;
    overflow: hidden;
    gap: 28px;
}

.marquee__inner {
    display: flex;
    gap: 28px;
    min-width: max-content;
    animation: scroll 22s linear infinite;
}

.marquee__inner--rev {
    animation-direction: reverse;
    animation-duration: 26s;
}

@keyframes scroll {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

.skill-chip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.7);
}

.dark .skill-chip {
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(0, 0, 0, 0.3);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.8rem 1.1rem;
    border-radius: 999px;
}

.island .controls {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

#islandToggle {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.dark #islandToggle {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.lang-btns {
    display: flex;
    gap: 6px;
    padding: 2px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.8);
}

.dark .lang-btns {
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(0, 0, 0, 0.35);
}

.lang-btns button {
    flex: 1;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    transition: 0.2s;
}

.lang-btns button.active {
    background: #c8f560;
    color: #000;
}

/* ---------- Theme switch: ☾ / ☼ ---------- */
.toggle-theme {
    position: relative;
    display: inline-block;
}

.toggle-theme input {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
}

.toggle-theme .track {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 66px;
    height: 34px;
    padding: 0 8px;
    border-radius: 999px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    background: rgba(255, 255, 255, 0.8);
}

.dark .toggle-theme .track {
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(0, 0, 0, 0.35);
}

.toggle-theme .ico {
    font-size: 14px;
    opacity: 0.6;
}

.toggle-theme .thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 28px;
    height: 28px;
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateX(0);
    transition: transform 0.22s ease;
}

.dark .toggle-theme .thumb {
    background: #111;
}

.toggle-theme input:checked+.track .thumb {
    transform: translateX(32px);
}

/* Menu desktop thoáng hơn khi mở */
#islandMenu a.nav-a {
    padding: 0.55rem 1rem;
}

.__protect_banner {
    position: fixed;
    left: 12px;
    bottom: 12px;
    z-index: 99999;
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 10px 14px;
    border-radius: 12px;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
        Arial;
    font-size: 14px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
    display: flex;
    gap: 8px;
    align-items: center;
    animation: fadeIn 0.25s ease;
}

.__protect_banner button {
    background: rgba(255, 255, 255, 0.12);
    color: white;
    border: 0;
    padding: 6px 8px;
    border-radius: 8px;
    cursor: pointer;
}

.__protect_banner button:hover {
    opacity: 0.95;
}
    
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}