/* === FixInvest: Light/Dark theme toggle === */

html[data-theme="light"] {
    filter: invert(1) hue-rotate(180deg);
    background: #fff;
}

html[data-theme="light"] img,
html[data-theme="light"] svg,
html[data-theme="light"] video,
html[data-theme="light"] iframe,
html[data-theme="light"] canvas {
    filter: invert(1) hue-rotate(180deg);
}

html {
    transition: filter 0.25s ease, background 0.25s ease;
}

.theme-toggle-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1b7dab, #d90ee8);
    box-shadow: 0 4px 16px rgba(0,0,0,0.35);
    transition: transform 0.2s ease;
}

.theme-toggle-btn:hover {
    transform: scale(1.08);
}

.theme-toggle-btn svg {
    width: 24px;
    height: 24px;
    fill: #fff;
}

html[data-theme="dark"] .theme-toggle-btn .icon-sun { display: none; }
html[data-theme="dark"] .theme-toggle-btn .icon-moon { display: block; }
html[data-theme="light"] .theme-toggle-btn .icon-sun { display: block; }
html[data-theme="light"] .theme-toggle-btn .icon-moon { display: none; }

html[data-theme="light"] .theme-toggle-btn {
    filter: invert(1) hue-rotate(180deg);
}