/* ==========================================================================
   AppleGlass — Button styles (dark-only)
   Uses LinkStack standard variables: --button-background-color,
   --button-text-color, --button-text-hover-color
   ========================================================================== */

a.button,
a.button:visited {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-decoration: none;
    color: var(--button-text-color);
}

button,
.button {
    font-family: var(--font-family);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.01em;
    padding: 16px 20px;
    margin-bottom: 14px;
    color: var(--button-text-color);
    text-align: center;
    text-decoration: none;
    white-space: normal;
    border-radius: var(--radius);
    border: 1px solid var(--glass-border);
    background: var(--button-background-color);
    box-shadow:
        0 8px 28px var(--glass-shadow),
        inset 0 1px 0 var(--glass-stroke),
        inset 0 -1px 0 rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(6px) saturate(180%);
    -webkit-backdrop-filter: blur(6px) saturate(180%);
    transition:
        transform .4s var(--transition-smooth),
        box-shadow .4s ease,
        background .35s ease,
        border-color .35s ease;
    position: relative;
    overflow: hidden;
    width: 55% !important;
}

/* Inner glow on hover */
.button::before {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    background: radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.08), transparent 70%);
    opacity: 0;
    transition: opacity .35s ease;
    pointer-events: none;
    z-index: 0;
}
.button:hover::before { opacity: 1; }

/* Specular sheen sweep on hover */
.button::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        120deg,
        transparent 25%,
        rgba(255, 255, 255, 0.12) 45%,
        rgba(255, 255, 255, 0.18) 50%,
        rgba(255, 255, 255, 0.12) 55%,
        transparent 75%
    );
    transform: translateX(-130%);
    transition: transform .8s ease;
    pointer-events: none;
    z-index: 1;
}
.button:hover::after { transform: translateX(130%); }

/* Hover: lift + glow */
.button:hover,
.button:focus {
    transform: translateY(-3px) scale(1.015);
    background: var(--glass-bg-strong);
    border-color: var(--glass-border-strong);
    box-shadow:
        0 20px 50px var(--glass-shadow),
        0 0 0 1px var(--glass-border-strong),
        inset 0 1px 0 var(--glass-stroke);
    color: var(--button-text-hover-color);
}

/* Active: press */
.button:active {
    transform: translateY(-1px) scale(0.99);
    transition-duration: .1s;
}

/* Keyboard focus */
.button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* Icon inside the button */
.button .icon,
.button img.icon {
    height: 22px;
    width: 22px;
    margin-right: 0;
    border-radius: 6px;
    flex-shrink: 0;
    background: transparent;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
    position: relative;
    z-index: 2;
}
.button .title,
.button span:not(.icon):not([class*="fa"]) {
    position: relative;
    z-index: 2;
}

/* Accent variants — glass at rest, accent on hover (keeps glass) */
.button.button-primary,
.button.button-default {
    color: var(--button-text-color);
    background: var(--button-background-color);
    border: 1px solid var(--glass-border);
}
.button.button-primary:hover,
.button.button-default:hover {
    background: color-mix(in srgb, var(--accent) 25%, var(--glass-bg-strong));
    border-color: var(--accent);
    box-shadow:
        var(--glass-10layer),
        0 8px 32px var(--accent-glow),
        inset 0 1px 0 color-mix(in srgb, var(--accent) 30%, transparent);
}

/* Glass variants */
.button.button-custom,
.button.button-custom_website,
.button.button-website,
.button.button-littlelink-custom,
.button.button-web,
.button.button-all-inkl {
    color: var(--button-text-color);
    background: var(--button-background-color);
    border: 1px solid var(--glass-border);
}

.button.button-custom:hover,
.button.button-custom_website:hover,
.button.button-website:hover,
.button.button-littlelink-custom:hover,
.button.button-web:hover,
.button.button-all-inkl:hover {
    background: var(--glass-bg-strong);
    border-color: var(--glass-border-strong);
}

/* Icon-only social buttons in the button list */
.button.button-click {
    max-width: 180px !important;
    min-width: 80px;
}
.button.button-click i,
.button.button-click .social-icon {
    margin-right: 0;
}