.btn {
    appearance: none;
    border: 1px solid transparent;
    border-radius: 12px;
    min-height: 42px;
    padding: 10px 14px;
    font-size: 14px;
    font-weight: 800;
    line-height: 1.2;
    cursor: pointer;
    transition: transform .14s ease, filter .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease, color .16s ease;
}

.btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.03);
}

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

.btn:focus {
    outline: none;
}

.btn:focus-visible {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, .28);
}

.btn--primary {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
    box-shadow: 0 10px 24px rgba(37, 99, 235, .22);
}

.btn--primary:hover {
    filter: brightness(1.06);
}

.btn--secondary {
    background: rgba(255, 255, 255, .06);
    border-color: rgba(255, 255, 255, .14);
    color: rgba(255, 255, 255, .92);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, .10);
}

.btn--ghost {
    background: transparent;
    border-color: transparent;
    color: rgba(255, 255, 255, .74);
    box-shadow: none;
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, .06);
    color: #fff;
}

.btn--danger {
    background: #dc2626;
    border-color: #dc2626;
    color: #fff;
    box-shadow: 0 10px 24px rgba(220, 38, 38, .18);
}

.btn--danger:hover {
    filter: brightness(1.05);
}

.btn--wide {
    width: 100%;
}

.modal .modal__actions button,
.modal button.btn {
    appearance: none;
    border-radius: 12px;
}