/* =========================================================
   Chamber War – Buttons
   ========================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn-sm {
    padding: 10px 18px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-teal);
    color: var(--stone-dark);
    border-color: var(--teal);
    box-shadow: var(--shadow-glow-teal);
}

.btn-primary:hover {
    box-shadow: 0 0 44px var(--teal-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border-color: var(--border-bright);
}

.btn-secondary:hover {
    background: rgba(61, 214, 200, 0.08);
    border-color: var(--teal);
}

.btn-copper {
    background: var(--gradient-copper);
    color: var(--stone-dark);
    border-color: var(--copper);
    box-shadow: var(--shadow-glow-copper);
}