/* === Accent Tuning for Doxygen Dark Mode === */

/* Main accent color */
:root {
    --main-accent: #33a946;
}

/* Links */
a, a:visited {
    color: var(--main-accent) !important;
}

a:hover {
    color: #4fd467 !important; /* lighter green */
}

/* Project title */
#projectname {
    color: var(--main-accent) !important;
}

/* Current sidebar item */
#side-nav .selected {
    border-left: 3px solid var(--main-accent) !important;
}

/* Tabs */
.tablist li.current {
    background: var(--main-accent) !important;
    color: #fff !important;
}

/* Search box focus */
#MSearchField:focus {
    outline: 1px solid var(--main-accent) !important;
}

/* Code block border highlight */
pre, code {
    border: 1px solid #333;
}

pre.fragment {
    border-color: var(--main-accent) !important;
}

/* Graph toggle (caller / callee two-button) */
.graph-toggle {
    display: inline-flex;
    margin: 0.5em 0;
    border: 1px solid #444;
    border-radius: 6px;
    overflow: hidden;
    background: #111;
}

.graph-toggle button {
    flex: 1 1 50%;
    padding: 0.35em 0.8em;
    background: transparent;
    color: #aaa;
    border: 0;
    cursor: pointer;
    font-size: 0.95em;
}

.graph-toggle button:hover:not(:disabled) {
    background: #222;
    color: #fff;
}

.graph-toggle button.active {
    background: var(--main-accent);
    color: #fff;
}

.graph-toggle button:disabled,
.graph-toggle button.disabled {
    opacity: 0.45;
    cursor: default;
}

/* small accessibility focus ring */
.graph-toggle button:focus {
    outline: 2px solid rgba(51, 169, 70, 0.3);
    outline-offset: 1px;
}