/* Header fixed with transparency + blur */
.luna-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1040;
    background-color: rgba(19, 23, 29, 0.94);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--surface-border);
}

.luna-header .btn-outline-dark {
    color: var(--text-primary);
    border-color: rgba(var(--accent-rgb), 0.5);
    background: var(--button-bg);
}

.luna-header .btn-outline-dark:hover,
.luna-header .btn-outline-dark:focus {
    color: var(--button-text);
    border-color: var(--accent-color);
    background: var(--button-bg-hover);
}

.luna-header .btn-outline-dark:active {
    color: var(--button-text-active);
    border-color: var(--accent-color);
    background: var(--button-bg-active);
}

/* Transparent navbar so header bg shows */
.luna-header .navbar {
    background-color: transparent !important;
}

/* Hamburger icon bars */
.menu-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 3px 0;
}

.luna-logo {
    max-height: 45px;
    width: auto;
    display: block;
}