/* PURE CSS SIDEBAR BUTTONS */
.sidebar-buttons-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 5px;
}

.css-btn {
    display: block;
    padding: 12px 10px;
    text-align: center;
    border: 1px solid #000;
    border-radius: var(--radius-sm);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.2), 0 2px 4px rgba(0,0,0,0.5);
    transition: all 0.2s ease;
    text-decoration: none;
}

.css-btn:hover {
    transform: translateY(-1px);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.3), 0 4px 8px rgba(0,0,0,0.6);
}

.btn-title {
    display: block;
    font-size: 16px;
    font-weight: bold;
    text-transform: uppercase;
    color: #ffffff;
    letter-spacing: 1px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
    margin-bottom: 2px;
}

.btn-sub {
    display: block;
    font-size: 9px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0px;
}

/* Button Variants */
.btn-red {
    background: var(--gradient-btn-red);
    border-color: #6a0000;
}
.btn-red:hover { background: var(--gradient-btn-red-hover); }

.btn-blue {
    background: var(--gradient-btn-blue);
    border-color: #002255;
}
.btn-blue:hover { background: var(--gradient-btn-blue-hover); }

.btn-dark {
    background: var(--gradient-btn-dark);
    border-color: #111111;
}
.btn-dark:hover { background: var(--gradient-btn-dark-hover); }

/* Image Submit Button Reset */
.btn-image {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: inline-block;
    transition: transform 0.15s ease;
    width: 100%;
}

.btn-image:hover { transform: scale(1.03); }

.btn-image img {
    display: block;
    max-width: 180px; 
    height: auto;
    margin: 5px auto 0 auto; 
}

.text-link:hover {
    color: var(--color-text-link-hover);
    text-decoration: underline;
}